| Targeted Patent: Patent: US7295518B1 Filed: 2001-08-30 Issued: 2007-11-13 Patent Holder: (Original Assignee) Entropic Communications LLC (Current Assignee) Entropic Communications LLC Inventor(s): Anton Monk, Brett Bernath, Itzhak Gurantz, Ladd El Wardani, Ron Porat Title: Broadband network for coaxial cable using multi-carrier modulation | Cross Reference / Shared Meaning between the Lines |
Charted Against: Patent: US6282185B1 Filed: 1996-09-05 Issued: 2001-08-28 Patent Holder: (Original Assignee) Nokia Telecommunications Oy (Current Assignee) Nokia Technologies Oy Inventor(s): Hannu Häkkinen, Ari Hottinen, Mikko Kokkonen, Risto Wichman Title: Transmitting and receiving method and radio system |
| [FEATURE ID: 1] data communication network, down converter, other services, cable television service, coaxial wiring system | network, transmission, transmitter, transceiver, circuit, radio, system | [FEATURE ID: 1] digital radio system, base station, radio system |
| [TRANSITIVE ID: 2] comprising, using | including, having, with, of, involving, by, providing | [TRANSITIVE ID: 2] comprising |
| [FEATURE ID: 3] network devices | device, customers, users, equipment, units | [FEATURE ID: 3] subscriber terminal |
| [FEATURE ID: 4] multi-carrier modulator, multi-carrier demodulator | means, circuit, device, system, unit, data, mixer | [FEATURE ID: 4] method |
| [TRANSITIVE ID: 5] modulating | modulation, sending, processing, receiving, spreading, radiating, carrying | [TRANSITIVE ID: 5] transmitting, modulating |
| [TRANSITIVE ID: 6] translating | generating, transmitting, changing, formatting, processing, filtering, dividing | [TRANSITIVE ID: 6] coding, selecting |
| [TRANSITIVE ID: 7] demodulating | decoding, monitoring, combining, processing, analyzing, searching, measuring | [TRANSITIVE ID: 7] receiving, detecting |
| [FEATURE ID: 8] multi-carrier signaling, probe message signals | signaling, data, packets, radio, pulses, messaging, them | [FEATURE ID: 8] signals |
| [FEATURE ID: 9] probe messages | data, information, communication, transmissions, message | [FEATURE ID: 9] signal |
| [FEATURE ID: 10] channel characteristics, signal activity, frequency | signal, interference, spectrum, bandwidth, power, rate, crosstalk | [FEATURE ID: 10] multiple access interference, frequency band, subcarrier |
| [FEATURE ID: 11] bit loading, determined channel characteristics | information, spectrum, data, channel, same, power, carrier | [FEATURE ID: 11] detectable signals |
| [FEATURE ID: 12] claim | paragraph, figure, item, clause, preceding claim, embodiment | [FEATURE ID: 12] claim |
| [FEATURE ID: 13] frequency band | path, code, slot, channel, rate, scheme, bandwidth | [FEATURE ID: 13] methods, frequency, carrier, time |
| [FEATURE ID: 14] operation | transmission, detection, encoding, transmit, reception, use, demodulation | [FEATURE ID: 14] modulation |
| [FEATURE ID: 15] signal | signals, sequence, channel, communication, transmission | [FEATURE ID: 15] multiuser detection |
| 1 . A data communication network [FEATURE ID: 1] comprising [TRANSITIVE ID: 2] : at least two network devices [FEATURE ID: 3] , each network device comprising a multi-carrier modulator [FEATURE ID: 4] for modulating [TRANSITIVE ID: 5] data , an up converter for translating [TRANSITIVE ID: 6] the modulated data to an RF carrier frequency , a down converter [FEATURE ID: 1] for translating an RF signal , and a multi-carrier demodulator [FEATURE ID: 4] for demodulating [TRANSITIVE ID: 7] the translated RF signal to produce data ; and cable wiring comprising a splitter with a common port and a plurality of tap ports , and a plurality of segments of coaxial cable connecting between the splitter tap ports and the network devices ; whereby network devices communicate with each other through the cable wiring using [TRANSITIVE ID: 2] multi-carrier signaling [FEATURE ID: 8] ; wherein network devices transmit probe messages [FEATURE ID: 9] through the cable wiring and analyze received probe message signals [FEATURE ID: 8] to determine channel characteristics [FEATURE ID: 10] and bit loading [FEATURE ID: 11] is selected based on the determined channel characteristics [FEATURE ID: 11] . 2 . The data communication network of claim [FEATURE ID: 12] 1 wherein a network device comprises a means for determining signal activity [FEATURE ID: 10] and selects a frequency band [FEATURE ID: 13] for operation [FEATURE ID: 14] that is not used by other services [FEATURE ID: 1] . 3 . The data communication network of claim 1 wherein the network shares the cable wiring with a cable television service [FEATURE ID: 1] and the network device up converter translates the modulated data to an RF carrier frequency above the frequency [FEATURE ID: 10] used by the cable television service . 4 . A network device for communicating data to other network devices over a coaxial wiring system [FEATURE ID: 1] comprising a splitter and a plurality of cable segments connected between the splitter and the network devices , the network device comprising : a data modulator to produce a multicarrier modulated signal [FEATURE ID: 15] |
1 . A transmitting [TRANSITIVE ID: 5] and receiving [TRANSITIVE ID: 7] method [FEATURE ID: 4] used in a digital radio system [FEATURE ID: 1] comprising [TRANSITIVE ID: 2] at least one base station [FEATURE ID: 1] and subscriber terminal [FEATURE ID: 3] communicating with one another by transmitting and receiving signals [FEATURE ID: 8] , wherein upon transmission spread - coding [TRANSITIVE ID: 6] and modulating [TRANSITIVE ID: 5] the signals by predetermined subcarriers in accordance with Orthogonal Frequency Divisional Multiple Access or Code Division Multiple Access ( OFDMA / CDMA ) methods [FEATURE ID: 13] , and upon reception demodulating and multiuser - detecting [TRANSITIVE ID: 7] the signals by selecting [TRANSITIVE ID: 6] the signals to be detected in the multiuser detection [FEATURE ID: 15] using the predetermined subcarriers and consequently reducing the number of signals in the multiuser detection . 2 . The method as claimed in claim [FEATURE ID: 12] 1 , wherein upon reception , as multiple access interference [FEATURE ID: 10] and frequency [FEATURE ID: 13] - selective fading cause signal quality to change , multiuser detection is performed on the received detectable signals [FEATURE ID: 11] to reduce multiple access interference and / or correct selective fading . 3 . The method as claimed in claim 1 , wherein upon reception , a predetermined group of signals is selected to be detected on the basis of the subcarriers . 4 . The method as claimed in claim 1 , wherein upon reception , only one of said received signals is selected to be detected on the basis of the subcarriers . 5 . The method as claimed in claim 1 , wherein as the subcarriers reserve a given frequency band [FEATURE ID: 10] , the subcarriers are selected non-uniformly from the frequency band . 6 . The method as claimed in claim 1 , wherein the method is used particularly in the downlink direction of a radio system [FEATURE ID: 1] with the base station spread coding and modulating a transmitted signals and the subscriber terminal multiuser - detecting a received signal [FEATURE ID: 9] . 7 . The method as claimed in claim 1 , wherein upon modulation [FEATURE ID: 14] , the subcarriers are hopped by changing the modulating subcarrier [FEATURE ID: 10] of each spread - coded signal in a predetermined manner . 8 . The method as claimed in claim 7 , wherein the frequency hopping of the subcarriers is implemented by evenly utilizing substantially an entire frequency band . 9 . The method as claimed in claim 7 , wherein the frequency hopping of the subcarriers is implemented orthogonally by one carrier [FEATURE ID: 13] at a time [FEATURE ID: 13] |
| Targeted Patent: Patent: US7295518B1 Filed: 2001-08-30 Issued: 2007-11-13 Patent Holder: (Original Assignee) Entropic Communications LLC (Current Assignee) Entropic Communications LLC Inventor(s): Anton Monk, Brett Bernath, Itzhak Gurantz, Ladd El Wardani, Ron Porat Title: Broadband network for coaxial cable using multi-carrier modulation | Cross Reference / Shared Meaning between the Lines |
Charted Against: Patent: US6281840B1 Filed: 1998-10-29 Issued: 2001-08-28 Patent Holder: (Original Assignee) Matsushita Electric Industrial Co Ltd (Current Assignee) AURUM CERTUS LLC ; Panasonic Holdings Corp Inventor(s): Kenichi Miyoshi, Takayuki Suzuki Title: Radio communication apparatus and transmission antenna changing method |
| [FEATURE ID: 1] data communication network, means, data modulator | device, radio, controller, modem, circuit, receiver, system | [FEATURE ID: 1] radio communication apparatus, apparatus |
| [TRANSITIVE ID: 2] comprising, using | including, having, with, of, involving, by, implementing | [TRANSITIVE ID: 2] comprising |
| [FEATURE ID: 3] network devices, tap ports, other network devices, cable segments | terminals, ports, nodes, users, stations, paths, slots | [FEATURE ID: 3] antennas, communication destinations, frequencies, channels, vacant channel |
| [FEATURE ID: 4] multi-carrier modulator, converter, splitter, common port | multiplexer, controller, device, unit, tuner, modulator, combiner | [FEATURE ID: 4] transmission antenna selector, transmission antenna changer |
| [FEATURE ID: 5] data, operation, other services | traffic, transmission, communication, signal, channels, information, signal activity | [FEATURE ID: 5] signals, communication channel |
| [FEATURE ID: 6] down converter | receiver, processor, controller, decoder, device | [FEATURE ID: 6] signal strength detector |
| [FEATURE ID: 7] multi-carrier demodulator, coaxial wiring system | receiver, channel, transmitter, path, terminal, user, communication | [FEATURE ID: 7] communication destination, other communication destination |
| [TRANSITIVE ID: 8] translated | first, second, corresponding, detected, predetermined, total, measured | [TRANSITIVE ID: 8] received, maximum |
| [TRANSITIVE ID: 9] produce | determine, provide, obtain, generate, output, the | [TRANSITIVE ID: 9] detect, select |
| [TRANSITIVE ID: 10] connecting | coupled, connected, arranged, provided, disposed | [TRANSITIVE ID: 10] configured |
| [FEATURE ID: 11] multi-carrier signaling | communication, modulation, radio, polling | [FEATURE ID: 11] communications |
| [FEATURE ID: 12] probe messages, probe message signals, channel characteristics, determined channel characteristics | data, information, parameters, power, signal, signaling, channels | [FEATURE ID: 12] signal strength |
| [FEATURE ID: 13] bit loading | bandwidth, spectrum, carrier, mode | [FEATURE ID: 13] channel |
| [FEATURE ID: 14] claim | claimed, item, the claim, embodiment, paragraph | [FEATURE ID: 14] claim |
| [FEATURE ID: 15] frequency band | code, path, slot, carrier | [FEATURE ID: 15] antenna |
| [FEATURE ID: 16] cable television service | service, repeater, receiver, user | [FEATURE ID: 16] control channel |
| [FEATURE ID: 17] frequency | value, threshold, limit, level | [FEATURE ID: 17] minimum value |
| [FEATURE ID: 18] signal | channel, signals, communication, transmission | [FEATURE ID: 18] respective communication destinations |
| 1 . A data communication network [FEATURE ID: 1] comprising [TRANSITIVE ID: 2] : at least two network devices [FEATURE ID: 3] , each network device comprising a multi-carrier modulator [FEATURE ID: 4] for modulating data [FEATURE ID: 5] , an up converter [FEATURE ID: 4] for translating the modulated data to an RF carrier frequency , a down converter [FEATURE ID: 6] for translating an RF signal , and a multi-carrier demodulator [FEATURE ID: 7] for demodulating the translated [TRANSITIVE ID: 8] RF signal to produce [TRANSITIVE ID: 9] data ; and cable wiring comprising a splitter [FEATURE ID: 4] with a common port [FEATURE ID: 4] and a plurality of tap ports [FEATURE ID: 3] , and a plurality of segments of coaxial cable connecting [TRANSITIVE ID: 10] between the splitter tap ports and the network devices ; whereby network devices communicate with each other through the cable wiring using [TRANSITIVE ID: 2] multi-carrier signaling [FEATURE ID: 11] ; wherein network devices transmit probe messages [FEATURE ID: 12] through the cable wiring and analyze received probe message signals [FEATURE ID: 12] to determine channel characteristics [FEATURE ID: 12] and bit loading [FEATURE ID: 13] is selected based on the determined channel characteristics [FEATURE ID: 12] . 2 . The data communication network of claim [FEATURE ID: 14] 1 wherein a network device comprises a means [FEATURE ID: 1] for determining signal activity and selects a frequency band [FEATURE ID: 15] for operation [FEATURE ID: 5] that is not used by other services [FEATURE ID: 5] . 3 . The data communication network of claim 1 wherein the network shares the cable wiring with a cable television service [FEATURE ID: 16] and the network device up converter translates the modulated data to an RF carrier frequency above the frequency [FEATURE ID: 17] used by the cable television service . 4 . A network device for communicating data to other network devices [FEATURE ID: 3] over a coaxial wiring system [FEATURE ID: 7] comprising a splitter and a plurality of cable segments [FEATURE ID: 3] connected between the splitter and the network devices , the network device comprising : a data modulator [FEATURE ID: 1] to produce a multicarrier modulated signal [FEATURE ID: 18] |
1 . A radio communication apparatus [FEATURE ID: 1] comprising [TRANSITIVE ID: 2] : a received [TRANSITIVE ID: 8] signal strength detector [FEATURE ID: 6] configured [TRANSITIVE ID: 10] to detect [TRANSITIVE ID: 9] received signal strength [FEATURE ID: 12] of signals [FEATURE ID: 5] received by a plurality of antennas [FEATURE ID: 3] at the same time for each communication destination [FEATURE ID: 7] and for each antenna [FEATURE ID: 15] ; a transmission antenna selector [FEATURE ID: 4] configured to select [TRANSITIVE ID: 9] antennas different from each other with respect to the respective communication destinations [FEATURE ID: 18] as transmission antennas based on said detected received signal strength ; and a transmission antenna changer [FEATURE ID: 4] configured to change said transmission antenna in accordance with a selection result by said transmission antenna selector . 2 . The apparatus [FEATURE ID: 1] according to claim [FEATURE ID: 14] 1 , wherein said transmission antenna selector selects an antenna with a maximum [FEATURE ID: 8] received signal strength with respect to only one communication destination as a transmission antenna to said corresponding communication destination , and when there is a plurality of communication destinations [FEATURE ID: 3] having the same antenna with a maximum received signal strength , said transmission antenna selector compares the second largest received signal strength of antennas of the respective communication destinations , and selects a transmission antenna with respect to each communication destination based on the comparison result . 3 . The apparatus according to claim 2 , wherein in the plurality of communication destinations having the same antenna with a maximum received signal strength , said transmission antenna selector allocates said antenna with the maximum received signal strength to the communication destination having an antenna with a minimum value [FEATURE ID: 17] of the second largest received signal strength as a transmission antenna . 4 . The apparatus according to claim 3 , wherein when there are antennas having a maximum received signal strength with respect to two communication destinations , said transmission antenna selector allocates an antenna having a higher value of the second largest received signal strength of said two communication destinations to said corresponding communication destination as a transmission antenna , and allocates said antenna with the maximum received signal strength to the other communication destination [FEATURE ID: 7] as a transmission antenna . 5 . The apparatus according to claim 4 , wherein when the second largest received signal strength of antennas in two communication destinations are equal to each other , said transmission antenna selector compares the received signal strength of antennas with a maximum received signal strength in said communication destinations , and selects an antenna with a higher value of the received signal strength to said corresponding communication destination as a transmission antenna and selects the antenna with the second largest received signal strength to the other communication destination as a transmission antenna . 6 . The apparatus according to claim 1 , wherein said transmission antenna selector selects a transmission antenna for a communication channel [FEATURE ID: 5] and selects an antenna for a control channel [FEATURE ID: 16] from the residual antennas . 7 . The apparatus according to claim 1 , wherein when communications [FEATURE ID: 11] is performed using a plurality of frequencies [FEATURE ID: 3] at the same time , a channel [FEATURE ID: 13] , in which a difference in an average value of received signal strength between channels [FEATURE ID: 3] is increased in a plurality of vacant channel [FEATURE ID: 3] |
| Targeted Patent: Patent: US7295518B1 Filed: 2001-08-30 Issued: 2007-11-13 Patent Holder: (Original Assignee) Entropic Communications LLC (Current Assignee) Entropic Communications LLC Inventor(s): Anton Monk, Brett Bernath, Itzhak Gurantz, Ladd El Wardani, Ron Porat Title: Broadband network for coaxial cable using multi-carrier modulation | Cross Reference / Shared Meaning between the Lines |
Charted Against: Patent: US6276297B1 Filed: 1998-07-06 Issued: 2001-08-21 Patent Holder: (Original Assignee) Maasland NV (Current Assignee) Maasland NV Inventor(s): Karel Van den Berg, Martijn Otten Title: Method of and a device for disinfecting a milking machine and/or a cleaning device for the teats of an animal |
| [FEATURE ID: 1] network devices | components, stations, systems, device, points, means, machines | [FEATURE ID: 1] parts, equipment |
| [FEATURE ID: 2] multi-carrier modulator, multi-carrier demodulator, cable wiring, means, data modulator | system, unit, transmitter, mechanism, circuit, tuner, modem | [FEATURE ID: 2] source, disinfecting device, light source, machine, device |
| [FEATURE ID: 3] claim | claimed, clause, embodiment, preceding claim, item, figure, paragraph | [FEATURE ID: 3] claim |
| [FEATURE ID: 4] signal activity | bandwidth, power, band, spectrum | [FEATURE ID: 4] wavelength |
| [FEATURE ID: 5] frequency | value, level, range, magnitude, power, wavelength, spectrum | [FEATURE ID: 5] type, relative velocity |
| 1 . A data communication network comprising : at least two network devices [FEATURE ID: 1] , each network device comprising a multi-carrier modulator [FEATURE ID: 2] for modulating data , an up converter for translating the modulated data to an RF carrier frequency , a down converter for translating an RF signal , and a multi-carrier demodulator [FEATURE ID: 2] for demodulating the translated RF signal to produce data ; and cable wiring [FEATURE ID: 2] comprising a splitter with a common port and a plurality of tap ports , and a plurality of segments of coaxial cable connecting between the splitter tap ports and the network devices ; whereby network devices communicate with each other through the cable wiring using multi-carrier signaling ; wherein network devices transmit probe messages through the cable wiring and analyze received probe message signals to determine channel characteristics and bit loading is selected based on the determined channel characteristics . 2 . The data communication network of claim [FEATURE ID: 3] 1 wherein a network device comprises a means [FEATURE ID: 2] for determining signal activity [FEATURE ID: 4] and selects a frequency band for operation that is not used by other services . 3 . The data communication network of claim 1 wherein the network shares the cable wiring with a cable television service and the network device up converter translates the modulated data to an RF carrier frequency above the frequency [FEATURE ID: 5] used by the cable television service . 4 . A network device for communicating data to other network devices over a coaxial wiring system comprising a splitter and a plurality of cable segments connected between the splitter and the network devices , the network device comprising : a data modulator [FEATURE ID: 2] |
1 . A method of disinfecting parts [FEATURE ID: 1] of milking equipment [FEATURE ID: 1] which contact the teats and udder of the animal to be milked which comprises irradiating said parts with an electromagnetic radiation of a type [FEATURE ID: 5] that destroys harmful bacteria for a sufficient period of time substantially to destroy all of said bacteria on said parts . 2 . A method in accordance with claim [FEATURE ID: 3] 1 , wherein said electromagnetic radiation consists essentially of ultraviolet rays . 3 . A method in accordance with claim 2 , wherein said electromagnetic rays have a wavelength [FEATURE ID: 4] ranging between 100 and 280 nanometers . 4 . A method in accordance with claim 1 , comprising moving a source [FEATURE ID: 2] that is irradiating said electromagnetic radiation relative to said parts at a relative velocity [FEATURE ID: 5] not greater than that required for substantially destroying harmful bacteria on said parts by means of said electromagnetic radiation received on said parts . 5 . A method in accordance with claim 4 , wherein a robot arm moves said source . 6 . A method in accordance with claim 1 , wherein said step of irradiating said parts with electromagnetic radiation is taken before any of said parts contact an animal being milked by said milking equipment . 7 . A method in accordance with claim 1 , which comprises the antecedent step of cleaning said parts by cleaning fluid . 8 . A method in accordance with claim 1 , which comprises the subsequent step of cleaning said parts with a cleaning fluid . 9 . An apparatus to be used in the process of milking animals , the apparatus comprising a disinfecting device [FEATURE ID: 2] which includes a light source [FEATURE ID: 2] transmitting ultraviolet rays and supporting means for said light source , said supporting means constructed and arranged to position said light source so that its ultraviolet rays destroy harmful bacteria on parts of said apparatus that come into contact with said animal that is milked by the apparatus . 10 . An apparatus in accordance with claim 9 , wherein said rays have a wavelength ranging between 100 and 280 nanometers . 11 . An apparatus in accordance with claim 9 , comprising a milking machine [FEATURE ID: 2] , said disinfecting device [FEATURE ID: 2] |
| Targeted Patent: Patent: US7295518B1 Filed: 2001-08-30 Issued: 2007-11-13 Patent Holder: (Original Assignee) Entropic Communications LLC (Current Assignee) Entropic Communications LLC Inventor(s): Anton Monk, Brett Bernath, Itzhak Gurantz, Ladd El Wardani, Ron Porat Title: Broadband network for coaxial cable using multi-carrier modulation | Cross Reference / Shared Meaning between the Lines |
Charted Against: Patent: US6259686B1 Filed: 1997-08-01 Issued: 2001-07-10 Patent Holder: (Original Assignee) France Telecom SA (Current Assignee) Orange SA Inventor(s): Patrick Blanc, Anne-Gäele Acx Title: Multiple access method in a cellular radio communication network |
| [FEATURE ID: 1] data communication network, cable television service, coaxial wiring system, multicarrier | transmission, service, system, link, radio, broadband, connection | [FEATURE ID: 1] cellular radio communication network, network, frequency band, logic channel, communication |
| [TRANSITIVE ID: 2] comprising, modulating, using | including, involving, providing, by, of, containing, with | [TRANSITIVE ID: 2] allowing, comprising, having |
| [FEATURE ID: 3] network devices, other network devices, cable segments | terminals, nodes, users, channels, subscribers, links, elements | [FEATURE ID: 3] base stations, cells, mobile stations, elementary timeslots |
| [FEATURE ID: 4] multi-carrier modulator | mechanism, means, system, device | [FEATURE ID: 4] method |
| [FEATURE ID: 5] data, translating, determined channel characteristics, signal | traffic, transmission, information, bits, cells, channels, communication | [FEATURE ID: 5] signals, different communications, carrier |
| [TRANSITIVE ID: 6] modulated, translated | received, processed, modified, generated, output, produced, encoded | [TRANSITIVE ID: 6] transmitted |
| [FEATURE ID: 7] segments | sections, portions, units, chunks, strips, pieces, symbols | [FEATURE ID: 7] elementary timeslots usable, frequency blocks, blocks |
| [FEATURE ID: 8] multi-carrier signaling | frequency, frames, times, broadcast, cells, intervals, pcs | [FEATURE ID: 8] different bit rates, successive frames |
| [FEATURE ID: 9] probe messages, probe message signals, operation, other services | traffic, data, transmission, channels, broadcasts, signaling, power | [FEATURE ID: 9] communications |
| [FEATURE ID: 10] channel characteristics | quality, characteristic, size, properties, frequency, priority, configuration | [FEATURE ID: 10] maximum communication bit rate, bit rate |
| [FEATURE ID: 11] bit loading | routing, messaging, signaling, transmitting, scheduling, transmission | [FEATURE ID: 11] multiple access |
| [FEATURE ID: 12] signal activity | frequencies, capacity, band, bandwidth | [FEATURE ID: 12] spectral width |
| [FEATURE ID: 13] frequency band | frequency, bandwidth, parameter, bit | [FEATURE ID: 13] predefined elementary spectral width |
| [FEATURE ID: 14] frequency | bandwidth, value, range, spectrum | [FEATURE ID: 14] block width equal |
| 1 . A data communication network [FEATURE ID: 1] comprising [TRANSITIVE ID: 2] : at least two network devices [FEATURE ID: 3] , each network device comprising a multi-carrier modulator [FEATURE ID: 4] for modulating [TRANSITIVE ID: 2] data [FEATURE ID: 5] , an up converter for translating [TRANSITIVE ID: 5] the modulated [TRANSITIVE ID: 6] data to an RF carrier frequency , a down converter for translating an RF signal , and a multi-carrier demodulator for demodulating the translated [TRANSITIVE ID: 6] RF signal to produce data ; and cable wiring comprising a splitter with a common port and a plurality of tap ports , and a plurality of segments [FEATURE ID: 7] of coaxial cable connecting between the splitter tap ports and the network devices ; whereby network devices communicate with each other through the cable wiring using [TRANSITIVE ID: 2] multi-carrier signaling [FEATURE ID: 8] ; wherein network devices transmit probe messages [FEATURE ID: 9] through the cable wiring and analyze received probe message signals [FEATURE ID: 9] to determine channel characteristics [FEATURE ID: 10] and bit loading [FEATURE ID: 11] is selected based on the determined channel characteristics [FEATURE ID: 5] . 2 . The data communication network of claim 1 wherein a network device comprises a means for determining signal activity [FEATURE ID: 12] and selects a frequency band [FEATURE ID: 13] for operation [FEATURE ID: 9] that is not used by other services [FEATURE ID: 9] . 3 . The data communication network of claim 1 wherein the network shares the cable wiring with a cable television service [FEATURE ID: 1] and the network device up converter translates the modulated data to an RF carrier frequency above the frequency [FEATURE ID: 14] used by the cable television service . 4 . A network device for communicating data to other network devices [FEATURE ID: 3] over a coaxial wiring system [FEATURE ID: 1] comprising a splitter and a plurality of cable segments [FEATURE ID: 3] connected between the splitter and the network devices , the network device comprising : a data modulator to produce a multicarrier [FEATURE ID: 1] modulated signal [FEATURE ID: 5] |
1 . A method [FEATURE ID: 4] of multiple access [FEATURE ID: 11] in a cellular radio communication network [FEATURE ID: 1] , the network [FEATURE ID: 1] allowing [TRANSITIVE ID: 2] communications [FEATURE ID: 9] at different bit rates [FEATURE ID: 8] , with signals [FEATURE ID: 5] transmitted [TRANSITIVE ID: 6] in successive frames [FEATURE ID: 8] each divided into elementary timeslots usable [FEATURE ID: 7] for different communications [FEATURE ID: 5] , comprising [TRANSITIVE ID: 2] the steps of : allocating a frequency band [FEATURE ID: 1] to communications between base stations [FEATURE ID: 3] of a group of cells [FEATURE ID: 3] and mobile stations [FEATURE ID: 3] , a first partitioning step , wherein the allocated frequency band is partitioned into frequency blocks [FEATURE ID: 7] each having [TRANSITIVE ID: 2] a block width equal [FEATURE ID: 14] to 2 M −1 × Bo where Bo is a predefined elementary spectral width [FEATURE ID: 13] and M is an integer greater than 1 chosen as a function of a specified maximum communication bit rate [FEATURE ID: 10] for the group of cells , a second partitioning step , wherein each of the blocks [FEATURE ID: 7] is partitioned into a number 2 M − m ( i ) of carriers of spectral width [FEATURE ID: 12] 2 m ( i ) −1 × Bo , m ( 1 ) being an integer dependent on the block such that 1 < m ( i ) < M and representing a type of carrier [FEATURE ID: 5] , wherein the partition of the blocks and of the carriers within the allocated frequency band is identical for all the cells of the group , and selecting and defining a logic channel [FEATURE ID: 1] depending on the bit rate [FEATURE ID: 10] of a communication [FEATURE ID: 1] , as one or more elementary timeslots [FEATURE ID: 3] |
| Targeted Patent: Patent: US7295518B1 Filed: 2001-08-30 Issued: 2007-11-13 Patent Holder: (Original Assignee) Entropic Communications LLC (Current Assignee) Entropic Communications LLC Inventor(s): Anton Monk, Brett Bernath, Itzhak Gurantz, Ladd El Wardani, Ron Porat Title: Broadband network for coaxial cable using multi-carrier modulation | Cross Reference / Shared Meaning between the Lines |
Charted Against: Patent: US6253094B1 Filed: 1998-07-09 Issued: 2001-06-26 Patent Holder: (Original Assignee) AirNet Communications Corp (Current Assignee) Hanger Solutions LLC Inventor(s): Thomas R. Schmutz Title: Sectorized cell having non-redundant broadband processing unit |
| [FEATURE ID: 1] data communication network, network device, converter, down converter, multi-carrier demodulator, cable wiring, splitter, common port, splitter tap ports, means, cable television service, data modulator | network, device, receiver, transmitter, modem, transceiver, controller | [FEATURE ID: 1] cellular communication system, single channelizer, bus, single combiner, non-sectorized cell, filter |
| [TRANSITIVE ID: 2] comprising, using | including, having, containing, involving, utilizing, by, providing | [TRANSITIVE ID: 2] comprising, allocated, assigned |
| [FEATURE ID: 3] network devices, segments, probe message signals, channel characteristics, other services, other network devices, cable segments | channels, communications, data, sections, elements, locations, receivers | [FEATURE ID: 3] sectors, subchannels, analog RF signals, transceiver units, subchannel data, power amplifiers |
| [FEATURE ID: 4] multi-carrier modulator | multiplexer, circuit, device, unit | [FEATURE ID: 4] power amplifier |
| [TRANSITIVE ID: 5] modulating | receiving, producing, carrying, generating, communicating, creating, forming | [TRANSITIVE ID: 5] conveying |
| [FEATURE ID: 6] data, determined channel characteristics | information, bits, symbols, same, output signals, channels, signals | [FEATURE ID: 6] digital data signals, data signals |
| [TRANSITIVE ID: 7] modulated | data, output, combined, digital | [TRANSITIVE ID: 7] digital data |
| [FEATURE ID: 8] RF carrier frequency, RF signal | antenna, intermediate frequency, interface, audio, if, output, uplink | [FEATURE ID: 8] analog signal |
| [TRANSITIVE ID: 9] produce | decode, demodulate, retrieve, provide, transduce, return, process | [TRANSITIVE ID: 9] receive, convert |
| [TRANSITIVE ID: 10] connecting | connected, disposed, coupled, located | [TRANSITIVE ID: 10] associated |
| [FEATURE ID: 11] multi-carrier signaling, probe messages | channels, signals, data, packets, tones, messaging, energy | [FEATURE ID: 11] frequencies, digital data streams |
| [FEATURE ID: 12] bit loading, frequency band | channel, frequency, network, spectrum, bandwidth, system, wavelength | [FEATURE ID: 12] cell, equal bandwidth |
| [FEATURE ID: 13] claim | claimed, paragraph, figure, item, clause, the claim | [FEATURE ID: 13] claim |
| [FEATURE ID: 14] signal activity | frequencies, power, noise, bandwidth | [FEATURE ID: 14] power levels |
| [FEATURE ID: 15] operation | transmission, transmit, processing, broadcast, use | [FEATURE ID: 15] emission |
| [FEATURE ID: 16] frequency | bandwidth, range, spectrum, bands | [FEATURE ID: 16] band |
| [FEATURE ID: 17] coaxial wiring system | channel, communication, transmission, link, path, structure, bus | [FEATURE ID: 17] single digital data stream |
| [FEATURE ID: 18] signal | code, stream, signals, data, frequency signal, message, waveform | [FEATURE ID: 18] digital data signal |
| 1 . A data communication network [FEATURE ID: 1] comprising [TRANSITIVE ID: 2] : at least two network devices [FEATURE ID: 3] , each network device [FEATURE ID: 1] comprising a multi-carrier modulator [FEATURE ID: 4] for modulating [TRANSITIVE ID: 5] data [FEATURE ID: 6] , an up converter [FEATURE ID: 1] for translating the modulated [TRANSITIVE ID: 7] data to an RF carrier frequency [FEATURE ID: 8] , a down converter [FEATURE ID: 1] for translating an RF signal [FEATURE ID: 8] , and a multi-carrier demodulator [FEATURE ID: 1] for demodulating the translated RF signal to produce [TRANSITIVE ID: 9] data ; and cable wiring [FEATURE ID: 1] comprising a splitter [FEATURE ID: 1] with a common port [FEATURE ID: 1] and a plurality of tap ports , and a plurality of segments [FEATURE ID: 3] of coaxial cable connecting [TRANSITIVE ID: 10] between the splitter tap ports [FEATURE ID: 1] and the network devices ; whereby network devices communicate with each other through the cable wiring using [TRANSITIVE ID: 2] multi-carrier signaling [FEATURE ID: 11] ; wherein network devices transmit probe messages [FEATURE ID: 11] through the cable wiring and analyze received probe message signals [FEATURE ID: 3] to determine channel characteristics [FEATURE ID: 3] and bit loading [FEATURE ID: 12] is selected based on the determined channel characteristics [FEATURE ID: 6] . 2 . The data communication network of claim [FEATURE ID: 13] 1 wherein a network device comprises a means [FEATURE ID: 1] for determining signal activity [FEATURE ID: 14] and selects a frequency band [FEATURE ID: 12] for operation [FEATURE ID: 15] that is not used by other services [FEATURE ID: 3] . 3 . The data communication network of claim 1 wherein the network shares the cable wiring with a cable television service [FEATURE ID: 1] and the network device up converter translates the modulated data to an RF carrier frequency above the frequency [FEATURE ID: 16] used by the cable television service . 4 . A network device for communicating data to other network devices [FEATURE ID: 3] over a coaxial wiring system [FEATURE ID: 17] comprising a splitter and a plurality of cable segments [FEATURE ID: 3] connected between the splitter and the network devices , the network device comprising : a data modulator [FEATURE ID: 1] to produce a multicarrier modulated signal [FEATURE ID: 18] |
1 . A cellular communication system [FEATURE ID: 1] , comprising [TRANSITIVE ID: 2] : an antenna device to sectorize a cell [FEATURE ID: 12] into a plurality of sectors [FEATURE ID: 3] , said cell allocated [TRANSITIVE ID: 2] a band [FEATURE ID: 16] of frequencies [FEATURE ID: 11] , said plurality of sectors each assigned [TRANSITIVE ID: 2] a sub-band of said allocated band of frequencies , each said sub-band comprising a plurality of subchannels [FEATURE ID: 3] , said plurality of sectors each conveying [TRANSITIVE ID: 5] a plurality of analog RF signals [FEATURE ID: 3] within each sector ' s assigned sub-band ; a plurality of transceiver units [FEATURE ID: 3] , each said transceiver associated [TRANSITIVE ID: 10] with one of said plurality of sectors , to receive [TRANSITIVE ID: 9] said plurality of analog RF signals from said plurality of sectors , respectively , to convert [TRANSITIVE ID: 9] said plurality of analog RF signals to a plurality of digital data streams [FEATURE ID: 11] , respectively ; structure to combine said plurality of digital data streams into a single digital data stream [FEATURE ID: 17] ; a single channelizer [FEATURE ID: 1] to receive said single digital data stream , to generate therefrom a digital data signal [FEATURE ID: 18] associated with each of said plurality of subchannels of said plurality of sectors , and to supply said digital data signals [FEATURE ID: 6] to a bus [FEATURE ID: 1] ; a single combiner [FEATURE ID: 1] to receive said data signals [FEATURE ID: 6] from said bus , and to generate therefrom a single combined digital data signal associated with said plurality of subchannels of said plurality of sectors ; each of said plurality of transceiver units receiving said combined digital data signal from said single combiner , said transceiver units each selecting from said single combined digital data [FEATURE ID: 7] signal all said subchannel data [FEATURE ID: 3] within said assigned sub-band associated with said respective one of said plurality of sectors , and converting said subchannel data into an analog signal [FEATURE ID: 8] ; and a plurality of power amplifiers [FEATURE ID: 3] in said plurality of sectors , respectively , to amplify each said analog signal for emission [FEATURE ID: 15] . 2 . The cellular communication system according to claim [FEATURE ID: 13] 1 , wherein said antenna device divides said allocated band of frequencies into said sub-bands , wherein each said sub-band has an approximately equal bandwidth [FEATURE ID: 12] . 3 . The cellular communication system according to claim 1 , wherein said plurality of power amplifiers in said plurality of sectors operate at lower power levels [FEATURE ID: 14] than a power amplifier [FEATURE ID: 4] in a non-sectorized cell [FEATURE ID: 1] . 4 . The cellular communication system according to claim 1 , wherein said plurality of transceiver units are broadband transceivers . 5 . The cellular communication system according to claim 1 , wherein said plurality of transceiver units each include a digital band pass filter [FEATURE ID: 1] |
| Targeted Patent: Patent: US7295518B1 Filed: 2001-08-30 Issued: 2007-11-13 Patent Holder: (Original Assignee) Entropic Communications LLC (Current Assignee) Entropic Communications LLC Inventor(s): Anton Monk, Brett Bernath, Itzhak Gurantz, Ladd El Wardani, Ron Porat Title: Broadband network for coaxial cable using multi-carrier modulation | Cross Reference / Shared Meaning between the Lines |
Charted Against: Patent: US6253063B1 Filed: 2000-01-25 Issued: 2001-06-26 Patent Holder: (Original Assignee) Motorola Inc (Current Assignee) Google Technology Holdings LLC Inventor(s): Mark C. Cudak, Brian K. Classon, Louay A. Jalloul, Amitava Ghosh, Robert T. Love Title: Method and apparatus for selecting a communication data rate between mobile and base stations |
| [FEATURE ID: 1] data communication network, multi-carrier modulator, down converter, multi-carrier demodulator, means, cable television service, coaxial wiring system, data modulator | transceiver, modem, transmitter, circuit, radio, receiver, device | [FEATURE ID: 1] communication system, base station, means |
| [TRANSITIVE ID: 2] comprising, using | including, by, having, with, of, involving, employing | [TRANSITIVE ID: 2] comprising |
| [FEATURE ID: 3] network devices | terminals, sites, users, systems, locations, nodes, units | [FEATURE ID: 3] base stations |
| [TRANSITIVE ID: 4] modulating | receiving, generating, communicating, applying | [TRANSITIVE ID: 4] selecting |
| [TRANSITIVE ID: 5] modulated, translated | transmitted, received, generated, processed, input, data, converted | [TRANSITIVE ID: 5] selected, pilot signals |
| [TRANSITIVE ID: 6] demodulating | reading, monitoring, sensing, measuring, receiving, detecting, analyzing | [TRANSITIVE ID: 6] determining |
| [TRANSITIVE ID: 7] communicate, operation, signal | data, transmit, transmission, message, connect, couple, operate | [TRANSITIVE ID: 7] communicate |
| [FEATURE ID: 8] multi-carrier signaling, probe message signals | data, communication, modulation, signaling, pulses, packets, radio | [FEATURE ID: 8] final data rate, transmission |
| [FEATURE ID: 9] probe messages | power, energy, information, communication | [FEATURE ID: 9] interference |
| [FEATURE ID: 10] channel characteristics, other services | interference, noise, quality, communication, transmission, signal, error | [FEATURE ID: 10] interference condition, same interference |
| [FEATURE ID: 11] bit loading | access, encoding, channel, information | [FEATURE ID: 11] initial data rate |
| [FEATURE ID: 12] determined channel characteristics | assessment, evaluation, detection, measurement, identification, comparison, monitoring | [FEATURE ID: 12] determined difference level, mobile station pilot signal strength measurements, indication |
| [FEATURE ID: 13] claim | claimed, paragraph, figure, item, clause, the claim, preceding claim | [FEATURE ID: 13] claim |
| [FEATURE ID: 14] signal activity | bandwidth, power, location, priority | [FEATURE ID: 14] power level |
| [FEATURE ID: 15] frequency band | region, network, path, system, channel, scheme, technique | [FEATURE ID: 15] method, area |
| [FEATURE ID: 16] frequency | limit, value, standard, range, level | [FEATURE ID: 16] threshold |
| 1 . A data communication network [FEATURE ID: 1] comprising [TRANSITIVE ID: 2] : at least two network devices [FEATURE ID: 3] , each network device comprising a multi-carrier modulator [FEATURE ID: 1] for modulating [TRANSITIVE ID: 4] data , an up converter for translating the modulated [TRANSITIVE ID: 5] data to an RF carrier frequency , a down converter [FEATURE ID: 1] for translating an RF signal , and a multi-carrier demodulator [FEATURE ID: 1] for demodulating [TRANSITIVE ID: 6] the translated [TRANSITIVE ID: 5] RF signal to produce data ; and cable wiring comprising a splitter with a common port and a plurality of tap ports , and a plurality of segments of coaxial cable connecting between the splitter tap ports and the network devices ; whereby network devices communicate [TRANSITIVE ID: 7] with each other through the cable wiring using [TRANSITIVE ID: 2] multi-carrier signaling [FEATURE ID: 8] ; wherein network devices transmit probe messages [FEATURE ID: 9] through the cable wiring and analyze received probe message signals [FEATURE ID: 8] to determine channel characteristics [FEATURE ID: 10] and bit loading [FEATURE ID: 11] is selected based on the determined channel characteristics [FEATURE ID: 12] . 2 . The data communication network of claim [FEATURE ID: 13] 1 wherein a network device comprises a means [FEATURE ID: 1] for determining signal activity [FEATURE ID: 14] and selects a frequency band [FEATURE ID: 15] for operation [FEATURE ID: 7] that is not used by other services [FEATURE ID: 10] . 3 . The data communication network of claim 1 wherein the network shares the cable wiring with a cable television service [FEATURE ID: 1] and the network device up converter translates the modulated data to an RF carrier frequency above the frequency [FEATURE ID: 16] used by the cable television service . 4 . A network device for communicating data to other network devices over a coaxial wiring system [FEATURE ID: 1] comprising a splitter and a plurality of cable segments connected between the splitter and the network devices , the network device comprising : a data modulator [FEATURE ID: 1] to produce a multicarrier modulated signal [FEATURE ID: 7] |
1 . In a communication system [FEATURE ID: 1] for communication between a mobile station and a base station [FEATURE ID: 1] , a method [FEATURE ID: 15] comprising [TRANSITIVE ID: 2] the steps of : selecting [TRANSITIVE ID: 4] an initial data rate [FEATURE ID: 11] for communication between said base station and said mobile station , wherein said mobile station selects said initial data rate ; communicating said selected [TRANSITIVE ID: 5] initial data rate from said mobile station to said base station ; determining [TRANSITIVE ID: 6] a difference level of interference condition [FEATURE ID: 10] experienced by said mobile station between a time when said initial data rate selected by said mobile station and a time when said base station prepares to communicate [TRANSITIVE ID: 7] to said mobile station ; selecting a final data rate [FEATURE ID: 8] for transmission [FEATURE ID: 8] from said base station to said mobile station based on said determined difference level [FEATURE ID: 12] of interference condition . 2 . The method as recited in claim [FEATURE ID: 13] 1 wherein said selected initial data rate is based on a level of carrier to interference condition determined by said mobile station at said time when said initial data rate selected by said mobile station . 3 . The method as recited in claim 1 wherein said determined difference level of interference condition is determined by said base station . 4 . The method as recited in claim 1 wherein said selected final data rate is lower than said selected initial data rate when said determined difference level of interference condition indicates more interference [FEATURE ID: 9] at said time when said base station prepares to communicate to said mobile station than at said time when said initial data rate selected by said mobile station . 5 . The method as recited in claim 1 wherein said selected final data rate is higher than said selected initial data rate when said determined difference level of interference condition indicates less interference at said time when said base station prepares to communicate to said mobile station than at said time when said initial data rate selected by said mobile station . 6 . The method as recited in claim 1 wherein said selected final data rate is the same as said selected initial data rate when said determined difference level of interference condition indicates approximately same interference [FEATURE ID: 10] at said time when said base station prepares to communicate to said mobile station than at said time when said initial data rate selected by said mobile station . 7 . The method as recited in claim 1 wherein said selected final data rate is different than said selected initial data rate when said determined difference level of interference condition is higher than a threshold [FEATURE ID: 16] . 8 . The method as recited in claim 1 further comprising the step of transmitting from said base station to said mobile station at said selected final data rate . 9 . The method as recited in claim 8 wherein said transmission is at a predetermined power level [FEATURE ID: 14] . 10 . The method as recited in claim 1 wherein said determining said difference level of interference condition including the steps of : receiving from said mobile station pilot signal strength measurements [FEATURE ID: 12] made by said mobile station of pilot signals [FEATURE ID: 5] and transmitted from a plurality of base stations [FEATURE ID: 3] in a surrounding area [FEATURE ID: 15] of said base station ; receiving from said plurality of base stations an indication [FEATURE ID: 12] whether any of said plurality base stations is transmitting at said time when said base station prepares to communicate to said mobile station ; whereby determining said level of interference condition . 11 . A communication system for communication between a mobile station and a base station comprising : means for selecting an initial data rate for communication between said base station and said mobile station , wherein said mobile station selects said initial data rate ; means for communicating said selected initial data rate from said mobile station to said base station ; means for determining a difference level of interference condition experienced by said mobile station between a time when said initial data rate selected by said mobile station and a time when said base station prepares to communicate to said mobile station ; means for selecting a final data rate for transmission from said base station to said mobile station based on said determined difference level of interference condition . 12 . The communication system as recited in claim 11 further comprising means [FEATURE ID: 1] |
| Targeted Patent: Patent: US7295518B1 Filed: 2001-08-30 Issued: 2007-11-13 Patent Holder: (Original Assignee) Entropic Communications LLC (Current Assignee) Entropic Communications LLC Inventor(s): Anton Monk, Brett Bernath, Itzhak Gurantz, Ladd El Wardani, Ron Porat Title: Broadband network for coaxial cable using multi-carrier modulation | Cross Reference / Shared Meaning between the Lines |
Charted Against: Patent: US6252861B1 Filed: 1998-03-26 Issued: 2001-06-26 Patent Holder: (Original Assignee) Lucent Technologies Inc (Current Assignee) Nokia of America Corp ; RPX Corp ; Nokia USA Inc Inventor(s): Neil E. Bernstein, Xiao C. Bernstein, Wen-Yi Kuo, Martin H. Meyers, Xiao Wang, Carl F. Weaver Title: Methods and apparatus for interfrequency handoff in a wireless communication system |
| [FEATURE ID: 1] data communication network, down converter, multi-carrier demodulator, means, cable television service, data modulator | radio, transmitter, modem, receiver, device, transceiver, circuit | [FEATURE ID: 1] frequency handoff, wireless communication system, mobile station, system, CDMA system, memory |
| [TRANSITIVE ID: 2] comprising, using | of, including, by, having, comprises, with, involving | [TRANSITIVE ID: 2] comprising, includes |
| [FEATURE ID: 3] network devices, other services, other network devices, cable segments | channels, terminals, users, receivers, nodes, clients, customers | [FEATURE ID: 3] base stations |
| [FEATURE ID: 4] multi-carrier modulator, converter | transmitter, unit, controller, device, decoder, component, mechanism | [FEATURE ID: 4] processor |
| [TRANSITIVE ID: 5] modulating | receiving, forming, storing, creating | [TRANSITIVE ID: 5] generating |
| [FEATURE ID: 6] data | the, transmission, input, signal | [FEATURE ID: 6] transmit |
| [TRANSITIVE ID: 7] translating, demodulating | processing, modifying, transmitting, measuring, using, analyzing, interpreting | [TRANSITIVE ID: 7] utilizing |
| [TRANSITIVE ID: 8] modulated, translated | received, produced, processed, modified, input, output, transformed | [TRANSITIVE ID: 8] generated |
| [FEATURE ID: 9] multi-carrier signaling, probe message signals, channel characteristics, bit loading, determined channel characteristics, signal activity, operation, signal | data, channels, signaling, signals, traffic, communications, bandwidth | [FEATURE ID: 9] messages, frequency handoffs |
| [FEATURE ID: 10] probe messages | power, beacon, probe, packet, messaging, signaling, bitmap | [FEATURE ID: 10] Power Measurement Report Message, Pilot Strength Measurement Message |
| [FEATURE ID: 11] claim | claimed, clause, embodiment, the claim, preceding claim, item, figure | [FEATURE ID: 11] claim |
| [FEATURE ID: 12] frequency band | system, carrier, frequency, channel, cell, base, means | [FEATURE ID: 12] method, current frequency, new frequency, frequency cell boundaries |
| [FEATURE ID: 13] network shares | associates, operates, links, combines, connects, couples | [FEATURE ID: 13] communicates |
| 1 . A data communication network [FEATURE ID: 1] comprising [TRANSITIVE ID: 2] : at least two network devices [FEATURE ID: 3] , each network device comprising a multi-carrier modulator [FEATURE ID: 4] for modulating [TRANSITIVE ID: 5] data [FEATURE ID: 6] , an up converter [FEATURE ID: 4] for translating [TRANSITIVE ID: 7] the modulated [TRANSITIVE ID: 8] data to an RF carrier frequency , a down converter [FEATURE ID: 1] for translating an RF signal , and a multi-carrier demodulator [FEATURE ID: 1] for demodulating [TRANSITIVE ID: 7] the translated [TRANSITIVE ID: 8] RF signal to produce data ; and cable wiring comprising a splitter with a common port and a plurality of tap ports , and a plurality of segments of coaxial cable connecting between the splitter tap ports and the network devices ; whereby network devices communicate with each other through the cable wiring using [TRANSITIVE ID: 2] multi-carrier signaling [FEATURE ID: 9] ; wherein network devices transmit probe messages [FEATURE ID: 10] through the cable wiring and analyze received probe message signals [FEATURE ID: 9] to determine channel characteristics [FEATURE ID: 9] and bit loading [FEATURE ID: 9] is selected based on the determined channel characteristics [FEATURE ID: 9] . 2 . The data communication network of claim [FEATURE ID: 11] 1 wherein a network device comprises a means [FEATURE ID: 1] for determining signal activity [FEATURE ID: 9] and selects a frequency band [FEATURE ID: 12] for operation [FEATURE ID: 9] that is not used by other services [FEATURE ID: 3] . 3 . The data communication network of claim 1 wherein the network shares [FEATURE ID: 13] the cable wiring with a cable television service [FEATURE ID: 1] and the network device up converter translates the modulated data to an RF carrier frequency above the frequency used by the cable television service . 4 . A network device for communicating data to other network devices [FEATURE ID: 3] over a coaxial wiring system comprising a splitter and a plurality of cable segments [FEATURE ID: 3] connected between the splitter and the network devices , the network device comprising : a data modulator [FEATURE ID: 1] to produce a multicarrier modulated signal [FEATURE ID: 9] |
1 . A method [FEATURE ID: 12] of controlling a frequency handoff [FEATURE ID: 1] in a wireless communication system [FEATURE ID: 1] in which a mobile station [FEATURE ID: 1] communicates [TRANSITIVE ID: 13] with one or more base stations [FEATURE ID: 3] , the method comprising [TRANSITIVE ID: 2] the steps of : generating [TRANSITIVE ID: 5] a trigger metric as a function of an average transmit [TRANSITIVE ID: 6] signal - to - noise measure for a plurality of pilot signals and a sum of the signal - to - noise measures for at least a subset of the plurality of pilot signals ; and utilizing [TRANSITIVE ID: 7] the trigger metric to control a handoff from a current frequency [FEATURE ID: 12] to a new frequency [FEATURE ID: 12] in an ongoing call . 2 . The method of claim [FEATURE ID: 11] 1 wherein the generating step includes [TRANSITIVE ID: 2] generating the trigger metric as the difference between an average transmit signal - to - noise measure for the plurality of pilot signals and a linear sum of pilot signal - to - noise measures for the plurality of pilot signals . 3 . The method of claim 1 wherein the signal - to - noise measures are generated [TRANSITIVE ID: 8] in the mobile station and included in messages [FEATURE ID: 9] transmitted from the mobile station . 4 . The method of claim 3 wherein the system [FEATURE ID: 1] is an IS - 95 CDMA system [FEATURE ID: 1] and the messages transmitted from the mobile station include at least one of a Power Measurement Report Message [FEATURE ID: 10] ( PMRM ) and a Pilot Strength Measurement Message [FEATURE ID: 10] ( PSMM ) . 5 . The method of claim 1 wherein the trigger metric is configured so as to distinguish same - frequency cell boundaries [FEATURE ID: 12] from other - frequency cell boundaries . 6 . An apparatus for use in controlling frequency handoffs [FEATURE ID: 9] in a wireless communication system in which a mobile station communicates with one or more base stations , the apparatus comprising : a processor [FEATURE ID: 4] for generating a trigger metric as a function of an average transmit signal - to - noise measure for a plurality of pilot signals and a sum of the signal - to - noise measures for at least a subset of the plurality of pilot signals ; and a memory [FEATURE ID: 1] |
| Targeted Patent: Patent: US7295518B1 Filed: 2001-08-30 Issued: 2007-11-13 Patent Holder: (Original Assignee) Entropic Communications LLC (Current Assignee) Entropic Communications LLC Inventor(s): Anton Monk, Brett Bernath, Itzhak Gurantz, Ladd El Wardani, Ron Porat Title: Broadband network for coaxial cable using multi-carrier modulation | Cross Reference / Shared Meaning between the Lines |
Charted Against: Patent: US6246881B1 Filed: 1997-02-14 Issued: 2001-06-12 Patent Holder: (Original Assignee) Nokia Telecommunications Oy (Current Assignee) Nokia Oyj Inventor(s): Janne Parantainen, Oscar Salonaho Title: Method of channel allocation |
| [FEATURE ID: 1] data communication network, network device, multi-carrier modulator, converter, down converter, multi-carrier demodulator, cable wiring, common port, means, cable television service, data modulator | network, controller, transmitter, modem, transceiver, system, node | [FEATURE ID: 1] mobile communications network, base transceiver stations, mobile station, signalling message, network elements |
| [TRANSITIVE ID: 2] comprising | including, involving, incorporating, providing, which, featuring, using | [TRANSITIVE ID: 2] comprising |
| [FEATURE ID: 3] network devices, data, network shares, other network devices, cable segments | users, links, nodes, terminals, channels, network, stations | [FEATURE ID: 3] mobile stations, base transceiver station, cell areas, other base transceiver stations, other connections |
| [TRANSITIVE ID: 4] modulating | receiving, generating, forming, storing, creating | [TRANSITIVE ID: 4] defining |
| [TRANSITIVE ID: 5] demodulating | receiving, monitoring, using, analyzing, computing, of, providing | [TRANSITIVE ID: 5] measuring, averaging |
| [TRANSITIVE ID: 6] produce | create, provide, form, generate | [TRANSITIVE ID: 6] cause |
| [TRANSITIVE ID: 7] using | and, comprising, for, including, of, under | [TRANSITIVE ID: 7] surrounding |
| [FEATURE ID: 8] multi-carrier signaling | channels, resources, signals, interfaces, messages, frequency, communication | [FEATURE ID: 8] connections, radio path |
| [FEATURE ID: 9] probe messages | power, energy, tones, traffic | [FEATURE ID: 9] maximum transmission power |
| [FEATURE ID: 10] probe message signals | transmissions, signals, them, parameters, ones, power, connection | [FEATURE ID: 10] channels, channel interference levels, measurements |
| [FEATURE ID: 11] channel characteristics | communications, reception, transmission, performance | [FEATURE ID: 11] previous connections |
| [FEATURE ID: 12] bit loading | operation, scheduling, routing, transmission | [FEATURE ID: 12] channel allocation |
| [FEATURE ID: 13] claim | claimed, paragraph, figure, item, clause, the claim, preceding claim | [FEATURE ID: 13] claim |
| [FEATURE ID: 14] signal activity | usage, availability, operation, adoption, presence, application, provision | [FEATURE ID: 14] introduction, use |
| [FEATURE ID: 15] frequency band | method, means, system, technique, scheme | [FEATURE ID: 15] Method |
| [FEATURE ID: 16] operation | monitoring, transmission, usage, utilization | [FEATURE ID: 16] allocation |
| [FEATURE ID: 17] other services, coaxial wiring system | communication, transmission, link, signal, service, line, path | [FEATURE ID: 17] first connection, channel |
| 1 . A data communication network [FEATURE ID: 1] comprising [TRANSITIVE ID: 2] : at least two network devices [FEATURE ID: 3] , each network device [FEATURE ID: 1] comprising a multi-carrier modulator [FEATURE ID: 1] for modulating [TRANSITIVE ID: 4] data [FEATURE ID: 3] , an up converter [FEATURE ID: 1] for translating the modulated data to an RF carrier frequency , a down converter [FEATURE ID: 1] for translating an RF signal , and a multi-carrier demodulator [FEATURE ID: 1] for demodulating [TRANSITIVE ID: 5] the translated RF signal to produce [TRANSITIVE ID: 6] data ; and cable wiring [FEATURE ID: 1] comprising a splitter with a common port [FEATURE ID: 1] and a plurality of tap ports , and a plurality of segments of coaxial cable connecting between the splitter tap ports and the network devices ; whereby network devices communicate with each other through the cable wiring using [TRANSITIVE ID: 7] multi-carrier signaling [FEATURE ID: 8] ; wherein network devices transmit probe messages [FEATURE ID: 9] through the cable wiring and analyze received probe message signals [FEATURE ID: 10] to determine channel characteristics [FEATURE ID: 11] and bit loading [FEATURE ID: 12] is selected based on the determined channel characteristics . 2 . The data communication network of claim [FEATURE ID: 13] 1 wherein a network device comprises a means [FEATURE ID: 1] for determining signal activity [FEATURE ID: 14] and selects a frequency band [FEATURE ID: 15] for operation [FEATURE ID: 16] that is not used by other services [FEATURE ID: 17] . 3 . The data communication network of claim 1 wherein the network shares [FEATURE ID: 3] the cable wiring with a cable television service [FEATURE ID: 1] and the network device up converter translates the modulated data to an RF carrier frequency above the frequency used by the cable television service . 4 . A network device for communicating data to other network devices [FEATURE ID: 3] over a coaxial wiring system [FEATURE ID: 17] comprising a splitter and a plurality of cable segments [FEATURE ID: 3] connected between the splitter and the network devices , the network device comprising : a data modulator [FEATURE ID: 1] |
1 . Method [FEATURE ID: 15] of channel allocation [FEATURE ID: 12] in a mobile communications network [FEATURE ID: 1] comprising [TRANSITIVE ID: 2] at least base transceiver stations [FEATURE ID: 1] and mobile stations [FEATURE ID: 3] and wherein connections [FEATURE ID: 8] between the base transceiver station [FEATURE ID: 3] and mobile stations are set up over the radio path [FEATURE ID: 8] , in which network the method comprising : defining [TRANSITIVE ID: 4] for each base transceiver station a predetermined safety area which comprises a set of cell areas [FEATURE ID: 3] of other base transceiver stations [FEATURE ID: 3] surrounding [TRANSITIVE ID: 7] the base transceiver station in which introduction [FEATURE ID: 14] of channels [FEATURE ID: 10] for other connections [FEATURE ID: 3] between base transceiver stations in the safety area and mobile stations within their cell areas could cause [TRANSITIVE ID: 6] mutual interference between previous connections [FEATURE ID: 11] of the base transceiver station and the other connections , measuring [TRANSITIVE ID: 5] channel interference levels [FEATURE ID: 10] , averaging [TRANSITIVE ID: 5] the measurements [FEATURE ID: 10] of the channel interference levels , allocating a channel K for usage as a first connection [FEATURE ID: 17] between a mobile station [FEATURE ID: 1] and a base transceiver station based on the channel interference levels , introducing said channel K , and after introduction of channel K temporarily limiting introduction of channels for the other connections between base transceiver stations in the safety area and mobile stations in the safety area , if introduction of the other channel would cause mutual interference between the first connection and the other connections . 2 . Method as defined in claim [FEATURE ID: 13] 1 , wherein the limitation is performed for a predetermined safety period after channel K has been allocated for use [FEATURE ID: 14] as the first connection . 3 . Method as defined in claim 2 , wherein the safety period is considered to be of a length essentially equal to a delay caused by the averaging of the measurements of the channel interference levels . 4 . Method as defined in claim 2 , wherein the safety period is defined for each base transceiver station . 5 . Method as defined in claim 2 , wherein the safety period is reported by a signalling message [FEATURE ID: 1] to the network elements [FEATURE ID: 1] in charge of allocation [FEATURE ID: 16] of channels of cell areas belonging to the safety area . 6 . Method as defined in claim 2 , wherein the safety period is defined for each mobile station . 7 . Method as defined in claim 1 , wherein the limitation is carried out by preventing channel allocation entirely . 8 . Method as defined in claim 1 , wherein the limitation is carried out by limiting the maximum transmission power [FEATURE ID: 9] allowed on the channel [FEATURE ID: 17] |
| Targeted Patent: Patent: US7295518B1 Filed: 2001-08-30 Issued: 2007-11-13 Patent Holder: (Original Assignee) Entropic Communications LLC (Current Assignee) Entropic Communications LLC Inventor(s): Anton Monk, Brett Bernath, Itzhak Gurantz, Ladd El Wardani, Ron Porat Title: Broadband network for coaxial cable using multi-carrier modulation | Cross Reference / Shared Meaning between the Lines |
Charted Against: Patent: US6246713B1 Filed: 1998-06-08 Issued: 2001-06-12 Patent Holder: (Original Assignee) Telefonaktiebolaget LM Ericsson AB (Current Assignee) Telefonaktiebolaget LM Ericsson AB Inventor(s): Sven Mattisson Title: Frequency-hopping in a bandwidth-on-demand system |
| [FEATURE ID: 1] data communication network, multi-carrier modulator, down converter, multi-carrier demodulator, means, cable television service, coaxial wiring system, data modulator, signal | receiver, modem, device, controller, transmitter, circuit, system | [FEATURE ID: 1] radio communication system, connection, apparatus |
| [TRANSITIVE ID: 2] comprising, using | including, having, of, involving, by, implementing, incorporating | [TRANSITIVE ID: 2] comprising |
| [FEATURE ID: 3] network devices | stations, users, elements, communications, systems, units, components | [FEATURE ID: 3] channels |
| [TRANSITIVE ID: 4] modulated, translated | received, transmitted, processed, modified, input, output, produced | [TRANSITIVE ID: 4] used |
| [FEATURE ID: 5] RF carrier frequency, RF signal, multi-carrier signaling | frequency, rf, oscillator, carrier, antenna, input, electrical | [FEATURE ID: 5] available frequency spectrum |
| [FEATURE ID: 6] probe message signals, determined channel characteristics | data, information, assessment, result, message, feedback, comparison | [FEATURE ID: 6] metric |
| [FEATURE ID: 7] channel characteristics, other services | signal, data, noise, transmission, performance, capacity, service | [FEATURE ID: 7] quality, carrier |
| [FEATURE ID: 8] bit loading, operation | transmission, usage, access, utilization, encoding, traffic | [FEATURE ID: 8] use |
| [FEATURE ID: 9] claim | claimed, paragraph, figure, item, clause, preceding claim, embodiment | [FEATURE ID: 9] claim |
| [FEATURE ID: 10] signal activity | noise, power, bandwidth, throughput, deadline, distance, cost | [FEATURE ID: 10] bit error rate, frame error rate |
| [FEATURE ID: 11] frequency band | scheme, network, protocol, means, system, technique | [FEATURE ID: 11] method |
| [FEATURE ID: 12] network shares | supplies, shares, operates, provides | [FEATURE ID: 12] utilizes |
| [FEATURE ID: 13] frequency | frequencies, bands, level, channels, rate, slots, regions | [FEATURE ID: 13] adjacent frequency bands, n channels, metric representative, value |
| 1 . A data communication network [FEATURE ID: 1] comprising [TRANSITIVE ID: 2] : at least two network devices [FEATURE ID: 3] , each network device comprising a multi-carrier modulator [FEATURE ID: 1] for modulating data , an up converter for translating the modulated [TRANSITIVE ID: 4] data to an RF carrier frequency [FEATURE ID: 5] , a down converter [FEATURE ID: 1] for translating an RF signal [FEATURE ID: 5] , and a multi-carrier demodulator [FEATURE ID: 1] for demodulating the translated [TRANSITIVE ID: 4] RF signal to produce data ; and cable wiring comprising a splitter with a common port and a plurality of tap ports , and a plurality of segments of coaxial cable connecting between the splitter tap ports and the network devices ; whereby network devices communicate with each other through the cable wiring using [TRANSITIVE ID: 2] multi-carrier signaling [FEATURE ID: 5] ; wherein network devices transmit probe messages through the cable wiring and analyze received probe message signals [FEATURE ID: 6] to determine channel characteristics [FEATURE ID: 7] and bit loading [FEATURE ID: 8] is selected based on the determined channel characteristics [FEATURE ID: 6] . 2 . The data communication network of claim [FEATURE ID: 9] 1 wherein a network device comprises a means [FEATURE ID: 1] for determining signal activity [FEATURE ID: 10] and selects a frequency band [FEATURE ID: 11] for operation [FEATURE ID: 8] that is not used by other services [FEATURE ID: 7] . 3 . The data communication network of claim 1 wherein the network shares [FEATURE ID: 12] the cable wiring with a cable television service [FEATURE ID: 1] and the network device up converter translates the modulated data to an RF carrier frequency above the frequency [FEATURE ID: 13] used by the cable television service . 4 . A network device for communicating data to other network devices over a coaxial wiring system [FEATURE ID: 1] comprising a splitter and a plurality of cable segments connected between the splitter and the network devices , the network device comprising : a data modulator [FEATURE ID: 1] to produce a multicarrier modulated signal [FEATURE ID: 1] |
1 . A method [FEATURE ID: 11] of operating a radio communication system [FEATURE ID: 1] that utilizes [TRANSITIVE ID: 12] an available frequency spectrum [FEATURE ID: 5] that is divided up into a plurality of channels [FEATURE ID: 3] to be used [TRANSITIVE ID: 4] by the radio communication system , the method comprising [TRANSITIVE ID: 2] the steps of : allocating a number , n , of the channels to be simultaneously used during a first hop period for communicating with a user of the radio communication system , wherein the allocated channels occupy adjacent frequency bands [FEATURE ID: 13] of the available frequency spectrum , and wherein the number n is greater than one ; and allocating n of the channels to be simultaneously used during a second hop period for communicating with the user of the radio communication system , wherein : the n channels [FEATURE ID: 13] allocated for use [FEATURE ID: 8] during the second hop period occupy adjacent frequency bands of the available frequency spectrum ; at least one of the n channels allocated for use during the second hop period is the same as at least one of the n channels allocated for use during the first hop period ; and at least one of the n channels allocated for use during the second hop period is different from all of the channels allocated for use during the first hop period . 2 . The method of claim [FEATURE ID: 9] 1 , wherein the first and second hop periods are consecutively occurring hop periods . 3 . The method of claim 1 , further comprising the steps of : allocating a second number , m , of the channels to be simultaneously used during the first hop period for communicating with a second user of the radio communication system , wherein the channels allocated for use by the second user occupy adjacent frequency bands of the available frequency spectrum ; and allocating m of the channels to be simultaneously used during the second hop period for communicating with the second user of the radio communication system , wherein : the m channels allocated for use by the second user during the second hop period occupy adjacent frequency bands of the available frequency spectrum ; and the number m is not equal to the number n. 4 . The method of claim 3 , wherein : at least one of the m channels allocated for use by the second user during the second hop period is the same as at least one of the m channels allocated for use by the second user during the first hop period ; and at least one of the m channels allocated for use by the second user during the second hop period is different from all of the channels allocated for use by the second user during the first hop period . 5 . The method of claim 3 , wherein : none of the m channels allocated for use by the second user during the second hop period is the same as any of the m channels allocated for use by the second user during the first hop period . 6 . The method of claim 1 , further comprising the step of : allocating n of the channels to be simultaneously used during a third hop period for communicating with the user of the radio communication system , wherein : the third hop period immediately follows the second hop period ; the n channels allocated for use during the third hop period occupy adjacent frequency bands of the available frequency spectrum ; and none of the n channels allocated for use during the third hop period is the same as any of the n channels allocated for use during the first and second hop periods . 7 . The method of claim 1 , further comprising the steps of : obtaining a metric representative [FEATURE ID: 13] of the quality [FEATURE ID: 7] of a connection [FEATURE ID: 1] ; and using the metric [FEATURE ID: 6] to adjust the value [FEATURE ID: 13] of the number n. 8 . The method of claim 7 , wherein the metric is a bit error rate [FEATURE ID: 10] . 9 . The method of claim 7 , wherein the metric is a frame error rate [FEATURE ID: 10] . 10 . The method of claim 7 , wherein the metric is a carrier [FEATURE ID: 7] - to - interference ratio . 11 . An apparatus [FEATURE ID: 1] |
| Targeted Patent: Patent: US7295518B1 Filed: 2001-08-30 Issued: 2007-11-13 Patent Holder: (Original Assignee) Entropic Communications LLC (Current Assignee) Entropic Communications LLC Inventor(s): Anton Monk, Brett Bernath, Itzhak Gurantz, Ladd El Wardani, Ron Porat Title: Broadband network for coaxial cable using multi-carrier modulation | Cross Reference / Shared Meaning between the Lines |
Charted Against: Patent: US6226320B1 Filed: 1995-05-08 Issued: 2001-05-01 Patent Holder: (Original Assignee) Nokia Telecommunications Oy (Current Assignee) Nokia Solutions and Networks Oy Inventor(s): Hannu Häkkinen, Kari Rikkinen, Kari Pehkonen Title: Method and equipment for multirate coding and detection in a multiple access mobile communication system |
| [FEATURE ID: 1] data communication network, multi-carrier modulator, down converter, RF signal, multi-carrier demodulator, cable television service, coaxial wiring system, data modulator | circuit, transceiver, network, receiver, system, transmission, radio | [FEATURE ID: 1] communication system, radio path, frequency division multiple access mobile communication system, multi-carrier mobile communication system, code division multiple access method, transmitter, code division multiple access mobile communication system |
| [TRANSITIVE ID: 2] comprising, using | including, involving, having, of, by, implementing, incorporating | [TRANSITIVE ID: 2] comprising |
| [TRANSITIVE ID: 3] modulating | receiving, communicating, sending, providing, processing, conveying, delivering | [TRANSITIVE ID: 3] multi-rate coding, transmitting, transferring |
| [FEATURE ID: 4] data, probe message signals, other services | signal, information, traffic, message, code, user, power | [FEATURE ID: 4] data, user information, data transfer rate information |
| [TRANSITIVE ID: 5] translating | decoding, mapping, processing, transmitting | [TRANSITIVE ID: 5] detecting |
| [TRANSITIVE ID: 6] modulated, translated, connecting | received, applied, provided, detected, generated, produced, transferred | [TRANSITIVE ID: 6] transmitted, present |
| [FEATURE ID: 7] RF carrier frequency | rf, carrier frequency, signal, carrier | [FEATURE ID: 7] frequency |
| [TRANSITIVE ID: 8] demodulating, operation | processing, detecting, using, demodulation, monitoring, reception, transmission | [TRANSITIVE ID: 8] receiving, selecting, further processing |
| [FEATURE ID: 9] segments | sets, types, connections, portions | [FEATURE ID: 9] combinations |
| [FEATURE ID: 10] multi-carrier signaling, multicarrier | frequency, data, bits, bandwidth, signals, carrier, signaling | [FEATURE ID: 10] different signal waveforms, different transfer rates, time, signal |
| [FEATURE ID: 11] probe messages | information, data, pulses, communication, waveform, tones, symbols | [FEATURE ID: 11] user signal, waveforms |
| [FEATURE ID: 12] channel characteristics, frequency | signal, data, bandwidth, carrier, spectrum, transmission, information | [FEATURE ID: 12] data transfer rate, transfer rate, shaping waveform |
| [FEATURE ID: 13] bit loading | spectrum, channel, frequency, signal, code, carrier, mode | [FEATURE ID: 13] signal waveform, pattern |
| [FEATURE ID: 14] determined channel characteristics | channels, parameters, signals, characteristics, times, values, rates | [FEATURE ID: 14] reception, patterns, codes |
| [FEATURE ID: 15] claim | claimed, paragraph, figure, item, clause, preceding claim, embodiment | [FEATURE ID: 15] claim |
| [FEATURE ID: 16] means | circuit, filter, function, signal | [FEATURE ID: 16] waveform |
| [FEATURE ID: 17] frequency band | channel, frequency, clock, carrier, modulation, rate | [FEATURE ID: 17] different time, code |
| [FEATURE ID: 18] signal | code, carrier, waveform, symbol | [FEATURE ID: 18] Rademacher waveform |
| 1 . A data communication network [FEATURE ID: 1] comprising [TRANSITIVE ID: 2] : at least two network devices , each network device comprising a multi-carrier modulator [FEATURE ID: 1] for modulating [TRANSITIVE ID: 3] data [FEATURE ID: 4] , an up converter for translating [TRANSITIVE ID: 5] the modulated [TRANSITIVE ID: 6] data to an RF carrier frequency [FEATURE ID: 7] , a down converter [FEATURE ID: 1] for translating an RF signal [FEATURE ID: 1] , and a multi-carrier demodulator [FEATURE ID: 1] for demodulating [TRANSITIVE ID: 8] the translated [TRANSITIVE ID: 6] RF signal to produce data ; and cable wiring comprising a splitter with a common port and a plurality of tap ports , and a plurality of segments [FEATURE ID: 9] of coaxial cable connecting [TRANSITIVE ID: 6] between the splitter tap ports and the network devices ; whereby network devices communicate with each other through the cable wiring using [TRANSITIVE ID: 2] multi-carrier signaling [FEATURE ID: 10] ; wherein network devices transmit probe messages [FEATURE ID: 11] through the cable wiring and analyze received probe message signals [FEATURE ID: 4] to determine channel characteristics [FEATURE ID: 12] and bit loading [FEATURE ID: 13] is selected based on the determined channel characteristics [FEATURE ID: 14] . 2 . The data communication network of claim [FEATURE ID: 15] 1 wherein a network device comprises a means [FEATURE ID: 16] for determining signal activity and selects a frequency band [FEATURE ID: 17] for operation [FEATURE ID: 8] that is not used by other services [FEATURE ID: 4] . 3 . The data communication network of claim 1 wherein the network shares the cable wiring with a cable television service [FEATURE ID: 1] and the network device up converter translates the modulated data to an RF carrier frequency above the frequency [FEATURE ID: 12] used by the cable television service . 4 . A network device for communicating data to other network devices over a coaxial wiring system [FEATURE ID: 1] comprising a splitter and a plurality of cable segments connected between the splitter and the network devices , the network device comprising : a data modulator [FEATURE ID: 1] to produce a multicarrier [FEATURE ID: 10] modulated signal [FEATURE ID: 18] |
1 . A method for multi-rate coding [FEATURE ID: 3] and detecting [TRANSITIVE ID: 5] in a communication system [FEATURE ID: 1] in which data [FEATURE ID: 4] and user information [FEATURE ID: 4] are transmitted [TRANSITIVE ID: 6] on a radio path [FEATURE ID: 1] between a transmitting [TRANSITIVE ID: 3] end and a receiving [TRANSITIVE ID: 8] end , the method comprising [TRANSITIVE ID: 2] : allocating different signal waveforms [FEATURE ID: 10] to different transfer rates [FEATURE ID: 10] ; selecting [TRANSITIVE ID: 8] , at the transmitting end , a data transfer rate [FEATURE ID: 12] to be used on the radio path for transferring [TRANSITIVE ID: 3] the user information ; selecting , at the transmitting end , a signal waveform [FEATURE ID: 13] to be used on the radio path according to the selected data transfer rate ; transmitting the user information with the selected transfer rate [FEATURE ID: 12] and the selected signal waveform to the receiving end , said signal waveform indicating the selected data transfer rate ; detecting , at the receiving end , the signal waveform used on the radio path ; selecting , at the receiving end , a transfer rate corresponding with the detected signal waveform ; and adapting reception [FEATURE ID: 14] to the selected transfer rate . 2 . A method for multi-rate coding and detecting in a time [FEATURE ID: 10] or frequency division multiple access mobile communication system [FEATURE ID: 1] in which data and user information are transmitted on a radio path between a transmitting end and a receiving end , the method comprising : allocating different time [FEATURE ID: 17] or frequency [FEATURE ID: 7] hopping patterns [FEATURE ID: 14] to different transfer rates ; selecting , at the transmitting end , a data transfer rate to be used on the radio path for transferring the user information ; selecting , at the transmitting end , a frequency hopping pattern [FEATURE ID: 13] to be used on the radio path according to the selected data transfer rate ; transmitting the user information with the selected transfer rate and the selected frequency hopping pattern to the receiving end , said frequency hopping pattern indicating the selected data transfer rate ; detecting , at the receiving end , at which of the hopping patterns a signal [FEATURE ID: 10] is present [FEATURE ID: 6] ; and selecting , at the receiving end , a transfer rate corresponding with the detected frequency hopping pattern for further processing [FEATURE ID: 8] of the signal . 3 . A method for multi-rate coding and detecting in a multi-carrier mobile communication system [FEATURE ID: 1] in which data and user information are transmitted on a radio path between a transmitting end and a receiving end , the method comprising : allocating different carriers or combinations [FEATURE ID: 9] of the different carriers to different transfer rates ; selecting , at the transmitting end , a data transfer rate to be used on the radio path for transferring the user information ; selecting , at the transmitting end , the different carriers or the combinations of the different carriers to be used on the radio path according to the selected transfer rate ; transmitting the user information with the selected transfer rate and on the selected different carriers or the combinations of the different carriers to the receiving end , said different carriers or the combinations of the different carriers indicating the selected data transfer rate ; detecting , at the receiving end , at which carrier waves or combinations of the carrier waves a signal is present ; and selecting , at the receiving end , a transfer rate corresponding with the detected carrier waves or the combinations of the detected carrier waves for further processing . 4 . A method for multi-rate coding and detecting in a code division multiple access method [FEATURE ID: 1] in which data and user information are transmitted on a radio path between a transmitting end and a receiving end , the method comprising : allocating different spreading codes [FEATURE ID: 14] to different transfer rates ; selecting , at the transmitting end , a data transfer rate to be used on the radio path for transferring the user information ; selecting , at the transmitting end , a spreading code [FEATURE ID: 17] to be used on the radio path according to the selected data transfer rate ; transmitting the user information with the selected data transfer rate and on the selected spreading code to the receiving end , said spreading code indicating the selected data transfer rate ; detecting , at the receiving end , at which of the spreading codes a signal is present ; and selecting , at the receiving end , a data transfer rate corresponding with the detected one of the spreading codes for further processing of the signal . 5 . A method for multi-rate coding and detecting in a code division multiple access method in which a user signal [FEATURE ID: 11] is transmitted on a radio path between a transmitting end and a receiving end , the method comprising : allocating different shaping waveforms [FEATURE ID: 11] to different transfer rates ; selecting , at the transmitting end , a data transfer rate to be used on the radio path for transferring the user signal ; shaping the user signal with a shaping waveform [FEATURE ID: 16] which is selected according to the selected transfer rate ; spreading , at the transmitting end , the shaped user signal with a spreading code ; reproducing , at the receiving end , the shaped user signal by means of the spreading code ; detecting which of the shaping waveforms the user signal has been shaped with ; and selecting a transfer rate corresponding with the detected shaping waveform [FEATURE ID: 12] for further processing of he user signal . 6 . A method as claimed in claim [FEATURE ID: 15] 5 , wherein the shaping waveform is a Rademacher waveform [FEATURE ID: 18] . 7 . A transmitter [FEATURE ID: 1] for multi-rate coding in a code division multiple access mobile communication system [FEATURE ID: 1] , said transmitter being arranged to send user information on a radio path with a varying transfer rate , said transmitter comprising : means for allocating different spreading codes to different transfer rates ; and means for conveying data transfer rate information [FEATURE ID: 4] |
| Targeted Patent: Patent: US7295518B1 Filed: 2001-08-30 Issued: 2007-11-13 Patent Holder: (Original Assignee) Entropic Communications LLC (Current Assignee) Entropic Communications LLC Inventor(s): Anton Monk, Brett Bernath, Itzhak Gurantz, Ladd El Wardani, Ron Porat Title: Broadband network for coaxial cable using multi-carrier modulation | Cross Reference / Shared Meaning between the Lines |
Charted Against: Patent: EP1094644A2 Filed: 1991-05-17 Issued: 2001-04-25 Patent Holder: (Original Assignee) Qualcomm Inc (Current Assignee) Qualcomm Inc Inventor(s): Klein S. Gilhousen, Roberto Padovani, Charles E. Wheatley, Lindsay A. Weaver Jr., Robert D. Bladeney Title: Method and apparatus for controlling transmission power in a CDMA cellular mobile telephone system |
| [FEATURE ID: 1] data communication network, multi-carrier demodulator, cable television service | radio, transmitter, system, transceiver, network, modem, terminal | [FEATURE ID: 1] cellular communication system, system user, user, receiver |
| [TRANSITIVE ID: 2] comprising, using | including, having, of, supporting, and, providing, by | [TRANSITIVE ID: 2] carrying |
| [FEATURE ID: 3] network devices, other services, other network devices | subscribers, clients, customers, receivers, users, nodes, terminals | [FEATURE ID: 3] n further system users |
| [FEATURE ID: 4] multi-carrier modulator, down converter, means, data modulator | modulator, modem, circuit, device, controller, receiver, multiplexer | [FEATURE ID: 4] transmitter |
| [TRANSITIVE ID: 5] modulating, demodulating | processing, generating, detecting, reading, accepting, monitoring, the | [TRANSITIVE ID: 5] receiving |
| [FEATURE ID: 6] data | bits, signal, of data, material, predetermined data, information, the | [FEATURE ID: 6] data |
| [TRANSITIVE ID: 7] modulated | communicated, transmitted, digital, superimposed, modem, converted, modified | [TRANSITIVE ID: 7] modulated |
| [TRANSITIVE ID: 8] connecting | connected, positioned, coupled, arranged, provided, disposed | [TRANSITIVE ID: 8] operable |
| [TRANSITIVE ID: 9] communicate | engage, negotiate, transact, pair, share, transmit, register | [TRANSITIVE ID: 9] communicate |
| [FEATURE ID: 10] multi-carrier signaling, probe messages, probe message signals | data, communication, pulses, channels, packets, power, messages | [FEATURE ID: 10] information, signals |
| [FEATURE ID: 11] channel characteristics, signal activity | performance, intensity, strength, noise, amplitude, gain, signal | [FEATURE ID: 11] signal quality, power, transmission power, signal power, power level, quality, total transmission power |
| [FEATURE ID: 12] frequency band, signal | code, channel, carrier, transmission, message, waveform, stream | [FEATURE ID: 12] signal |
| [FEATURE ID: 13] multicarrier | digital, carrier, radio frequency, frequency, wideband, broadband, data | [FEATURE ID: 13] spread spectrum |
| 1 . A data communication network [FEATURE ID: 1] comprising [TRANSITIVE ID: 2] : at least two network devices [FEATURE ID: 3] , each network device comprising a multi-carrier modulator [FEATURE ID: 4] for modulating [TRANSITIVE ID: 5] data [FEATURE ID: 6] , an up converter for translating the modulated [TRANSITIVE ID: 7] data to an RF carrier frequency , a down converter [FEATURE ID: 4] for translating an RF signal , and a multi-carrier demodulator [FEATURE ID: 1] for demodulating [TRANSITIVE ID: 5] the translated RF signal to produce data ; and cable wiring comprising a splitter with a common port and a plurality of tap ports , and a plurality of segments of coaxial cable connecting [TRANSITIVE ID: 8] between the splitter tap ports and the network devices ; whereby network devices communicate [TRANSITIVE ID: 9] with each other through the cable wiring using [TRANSITIVE ID: 2] multi-carrier signaling [FEATURE ID: 10] ; wherein network devices transmit probe messages [FEATURE ID: 10] through the cable wiring and analyze received probe message signals [FEATURE ID: 10] to determine channel characteristics [FEATURE ID: 11] and bit loading is selected based on the determined channel characteristics . 2 . The data communication network of claim 1 wherein a network device comprises a means [FEATURE ID: 4] for determining signal activity [FEATURE ID: 11] and selects a frequency band [FEATURE ID: 12] for operation that is not used by other services [FEATURE ID: 3] . 3 . The data communication network of claim 1 wherein the network shares the cable wiring with a cable television service [FEATURE ID: 1] and the network device up converter translates the modulated data to an RF carrier frequency above the frequency used by the cable television service . 4 . A network device for communicating data to other network devices [FEATURE ID: 3] over a coaxial wiring system comprising a splitter and a plurality of cable segments connected between the splitter and the network devices , the network device comprising : a data modulator [FEATURE ID: 4] to produce a multicarrier [FEATURE ID: 13] modulated signal [FEATURE ID: 12] |
1 A cellular communication system [FEATURE ID: 1] in which a system user [FEATURE ID: 1] ( 16,18 ) and another user [FEATURE ID: 1] communicate [TRANSITIVE ID: 9] with each other by way of information [FEATURE ID: 10] carrying [TRANSITIVE ID: 2] spread spectrum [FEATURE ID: 13] modulated [TRANSITIVE ID: 7] signals [FEATURE ID: 10] transmitted via a cell - site ( 12,14 ) , in which system : the system user ( 16,18 ) comprises a transmitter [FEATURE ID: 4] ( 84 ) for transmitting information carrying spread spectrum modulated signals to said cell - site ( 12,14 ) , a receiver [FEATURE ID: 1] ( 72,74 ) for receiving [TRANSITIVE ID: 5] information carrying spread spectrum modulated signals from said cell - site ( 12,14 ) and means for measuring signal quality [FEATURE ID: 11] in said information carrying spread spectrum modulated signals received by the system user ; the cell - site ( 12,14 ) comprises a transmitter ( 62 ) for transmitting information carrying spread spectrum modulated signals to said system user , a receiver ( 54,56 ) for receiving information carrying spread spectrum modulated signals from said system user ( 16,18 ) and adjusting means ( 63 ) for adjusting the power [FEATURE ID: 11] of information carrying spread spectrum modulated signals transmitted from the cell - site ( 12,14 ) ; and power control means ( 10 ) is provided for controlling the transmission power [FEATURE ID: 11] of the information carrying spread spectrum modulated signals by measuring the signal power [FEATURE ID: 11] in the information carrying spread spectrum modulated signals received by the system user ( 16,18 ) and transmitting data [FEATURE ID: 6] representing the measured power to the cell - site ( 12,14 ) by way of the information carrying spread spectrum modulated signals , the adjusting means ( 63 ) being responsive to the data in the information carrying spread spectrum modulated signals from the system user ( 16,18 ) to adjust the power in the information carrying spread spectrum modulated signals transmitted by the cell - site ( 12,14 ) . 2 A cellular communication system as claimed in claim 1 , the system comprising n further system users [FEATURE ID: 3] ( 16,18 ) each for communication with respective other users by way of information carrying spread spectrum modulated signals transmitted via the cell - site ( 12,14 ) , and wherein the power control means ( 10 ) is arranged to increase the power level [FEATURE ID: 11] in one of said information carrying spread spectrum modulated signals transmitted by the cell - site ( 12,14 ) to one system user ( 16,18 ) in response to data representing the quality [FEATURE ID: 11] of an information carrying spread spectrum modulated signal [FEATURE ID: 12] measured at the one system user , and to decrease the power level in said information carrying spread spectrum modulated signals transmitted by the cell - site ( 12,14 ) to the n other system users ( 16,18 ) . 3 A cellular communication system as claimed in claim 2 , wherein the power control means ( 10 ) is arranged to increase the power level in said information carrying spread spectrum modulated signals transmitted by the cell - site ( 12,14 ) to one system user ( 16,18 ) by a predetermined amount and the power levels in said information carrying spread spectrum modulated signals transmitted by the cell - site ( 12,14 ) to the n other system users ( 16,18 ) are decreased by another predetermined amount to maintain an approximately constant level of total transmission power [FEATURE ID: 11] in said information carrying spread spectrum modulated signals transmitted by the cell - site ( 12,14 ) . 4 A cellular communication system as claimed in claim 3 , wherein the power control means ( 10 ) is arranged to increase the power level in said information carrying spread spectrum modulated signals transmitted by the cell - site ( 12,14 ) to said one system user ( 16,18 ) by an incremental amount and to decrease the power level in said information carrying spread spectrum modulated signals transmitted by the cell - site ( 12,14 ) to each of the n other system users ( 16,18 ) by the incremental amount divided by n. 5 A cellular communication system as claimed in any preceding claim , wherein : the adjusting means ( 63 ) is operable [FEATURE ID: 8] |
| Targeted Patent: Patent: US7295518B1 Filed: 2001-08-30 Issued: 2007-11-13 Patent Holder: (Original Assignee) Entropic Communications LLC (Current Assignee) Entropic Communications LLC Inventor(s): Anton Monk, Brett Bernath, Itzhak Gurantz, Ladd El Wardani, Ron Porat Title: Broadband network for coaxial cable using multi-carrier modulation | Cross Reference / Shared Meaning between the Lines |
Charted Against: Patent: US6215827B1 Filed: 1997-08-25 Issued: 2001-04-10 Patent Holder: (Original Assignee) Lucent Technologies Inc (Current Assignee) Nokia of America Corp ; WSOU Investments LLC Inventor(s): Krishna Balachandran, Sanjiv Nanda, Srinivas R. Kadaba, Richard P. Ejzak Title: System and method for measuring channel quality information in a communication system |
| [FEATURE ID: 1] data communication network, network device, converter, cable television service | network, modem, transmitter, apparatus, unit, method, computer | [FEATURE ID: 1] system, means |
| [TRANSITIVE ID: 2] comprising, using | by, of, involving, including, having, with, containing | [TRANSITIVE ID: 2] comprising, averaging |
| [FEATURE ID: 3] multi-carrier modulator, down converter, means, frequency band, data modulator | circuit, device, controller, filter, receiver, processor, modem | [FEATURE ID: 3] method, decoder, memory unit, Viterbi decoder |
| [TRANSITIVE ID: 4] modulating | storing, determining, forming, generating, converting, providing, identifying | [TRANSITIVE ID: 4] establishing, receiving, mapping |
| [TRANSITIVE ID: 5] translating, demodulating | processing, decoding, modifying, mapping, measuring, detecting, interpreting | [TRANSITIVE ID: 5] determining |
| [FEATURE ID: 6] multi-carrier demodulator, bit loading | channel, receiver, data, system, carrier, signals, signaling | [FEATURE ID: 6] signal, maximum likelihood path |
| [TRANSITIVE ID: 7] translated | corresponding, first, detected, received | [TRANSITIVE ID: 7] decoded |
| [FEATURE ID: 8] multi-carrier signaling, probe messages, channel characteristics, determined channel characteristics | data, information, channels, parameters, signals, pulses, communication characteristics | [FEATURE ID: 8] path metrics |
| [FEATURE ID: 9] claim | claimed, paragraph, figure, item, clause, the claim, preceding claim | [FEATURE ID: 9] claim |
| [FEATURE ID: 10] frequency | range, threshold, level, value, standard, maximum, median | [FEATURE ID: 10] standard deviation, maximum value |
| [FEATURE ID: 11] signal | code, wireless signal, signals, data, symbol, message | [FEATURE ID: 11] digital signal |
| 1 . A data communication network [FEATURE ID: 1] comprising [TRANSITIVE ID: 2] : at least two network devices , each network device [FEATURE ID: 1] comprising a multi-carrier modulator [FEATURE ID: 3] for modulating [TRANSITIVE ID: 4] data , an up converter [FEATURE ID: 1] for translating [TRANSITIVE ID: 5] the modulated data to an RF carrier frequency , a down converter [FEATURE ID: 3] for translating an RF signal , and a multi-carrier demodulator [FEATURE ID: 6] for demodulating [TRANSITIVE ID: 5] the translated [TRANSITIVE ID: 7] RF signal to produce data ; and cable wiring comprising a splitter with a common port and a plurality of tap ports , and a plurality of segments of coaxial cable connecting between the splitter tap ports and the network devices ; whereby network devices communicate with each other through the cable wiring using [TRANSITIVE ID: 2] multi-carrier signaling [FEATURE ID: 8] ; wherein network devices transmit probe messages [FEATURE ID: 8] through the cable wiring and analyze received probe message signals to determine channel characteristics [FEATURE ID: 8] and bit loading [FEATURE ID: 6] is selected based on the determined channel characteristics [FEATURE ID: 8] . 2 . The data communication network of claim [FEATURE ID: 9] 1 wherein a network device comprises a means [FEATURE ID: 3] for determining signal activity and selects a frequency band [FEATURE ID: 3] for operation that is not used by other services . 3 . The data communication network of claim 1 wherein the network shares the cable wiring with a cable television service [FEATURE ID: 1] and the network device up converter translates the modulated data to an RF carrier frequency above the frequency [FEATURE ID: 10] used by the cable television service . 4 . A network device for communicating data to other network devices over a coaxial wiring system comprising a splitter and a plurality of cable segments connected between the splitter and the network devices , the network device comprising : a data modulator [FEATURE ID: 3] to produce a multicarrier modulated signal [FEATURE ID: 11] |
1 . A method [FEATURE ID: 3] for determining [TRANSITIVE ID: 5] a signal [FEATURE ID: 6] to interference plus noise ratio , comprising [TRANSITIVE ID: 2] the steps of : establishing [TRANSITIVE ID: 4] a set of path metrics [FEATURE ID: 8] corresponding to a set of predetermined signal to interference plus noise rations ; receiving [TRANSITIVE ID: 4] a digital signal [FEATURE ID: 11] ; determining a path metric for said digital signal by establishing a set of signal to interference plus noise ratio values that correspond to a set of predetermined short term average of metric values and averaging [TRANSITIVE ID: 2] a decoded [TRANSITIVE ID: 7] path metric ; and mapping [FEATURE ID: 4] said path metric to said signal to interference plus noise ratio in said set of predetermined signal to interference plus noise ratios . 2 . The method of claim [FEATURE ID: 9] 1 , wherein said digital signal is a coded signal . 3 . The method of claim 1 wherein said digital signal is a trellis coded signal . 4 . The method of claim 1 wherein the step of determining a path metric for said digital signal , further comprises the steps of : establishing a set of signal to interference plus noise ratio values corresponding to a set of predetermined short term average of metric values , said short term average of metric values defined as M / μ ; determining a decoded path metric from said received digital signal using a decoder [FEATURE ID: 3] , said decoded path metric defined as m i ; averaging m i ; storing in a memory unit [FEATURE ID: 3] said average decoded path metric , said average decoded path metric defined as μ ; and determining an estimated Euclidean distance metric defined as M i . 5 . The method of claim 4 wherein the step of determining the estimated Euclidean distance metric is performed using the following equation : M i = a M i - 1 + ( 1 - a ) m l Where said estimated Euclidean distance metric is defined as Mi and α is a predetermined filter coefficient which is greater than zero and less than 1.0 . 6 . The method of claim 5 including the steps of : determining a standard deviation [FEATURE ID: 10] of M i ; determining average metric thresholds defined as σ low and σ high based on said standard deviation of M i ; determining a value for M i / μ by dividing said value of M i by said value of μ ; mapping said value of M i / μ to a minimum value of said corresponding signal to interference plus noise ratio if M i / μ is less than σ low ; mapping said value of M i / μ to a maximum value [FEATURE ID: 10] of said corresponding signal to interference plus noise ratio if M i / μ is greater than σ high ; and mapping said value of M i / μ to said corresponding signal to interference plus noise ratio . 7 . The method of claim 4 wherein said decoder is a Viterbi decoder [FEATURE ID: 3] for the maximum likelihood path [FEATURE ID: 6] . 8 . A system [FEATURE ID: 1] for determining a signal to interference plus noise ratio , comprising : means for establishing a set of path metrics corresponding to a set of predetermined signal to interference plus noise ratios ; means for receiving a digital signal ; means for determining a path metric for said digital signal by establishing a set of signal to interference plus noise ratio values that correspond to a set of predetermined short term average of metric values and averaging a decoded path metric ; and means for mapping said path metric to said signal to interference plus noise ratio in said set of predetermined signal to interference plus noise ratios . 9 . The system of claim 8 , wherein said digital signal is a coded signal . 10 . The system of claim 8 wherein said digital signal is a trellis coded signal . 11 . The system of claim 8 wherein the means [FEATURE ID: 1] |