Patents-Review.com
ClassID:

224958 ⎘

H04L5/1484 - CPC Classification

Classification description:

Arrangements affording multiple use of the transmission path; Two-way operation using the same type of signal, i.e. duplex using time-sharing operating bytewise

Sub-classes:
Recent Application in this class:
#1
20210185655
2021-06-17

Methods and apparatus for subframe configuration and generation in a multi-carrier communication system

 #2
20190335439
2019-10-31

Methods and apparatus for subframe configuration and generation in a multi-carrier communication system

 #3
20190335438
2019-10-31

Methods and apparatus for subframe configuration and generation in a multi-carrier communication system

 #4
20180167924
2018-06-14

Method and apparatus for subframe configuration and generation in a multi-carrier communication system

 #5
20170230168
2017-08-10

Sensor that transmits signals responsive to a request signal and receives information

 #6
20160081070
2016-03-17

Method and apparatus for subframe configuration and generation in a multi-carrier communication system

 #7
20140247805
2014-09-04

Methods and apparatus for subframe configuration and generation in a multi-carrier communication system

 #8
20140219075
2014-08-07

Method for frequency division duplex communications

 #9
20140169423
2014-06-19

Sensor that transmits signals responsive to a request signal and receives information

 #10
20140105263
2014-04-17

Systems and method for orthogonal frequency divisional multiplexing

 #11
20130343472
2013-12-26

Communication including a request signal and reply signal

 #12
20130148552
2013-06-13

Method for allocating resource of wireless communication and corresponding user device and base station

 #13
20130121189
2013-05-16

Supporting different LTE-TDD configurations in neighboring regions and/or adjacent carriers

 #14
20130089011
2013-04-11

Cognitive mobile time division duplex Ad-Hoc network

 #15
20130051291
2013-02-28

Method for frequency division duplex communications

 #16
20120269161
2012-10-25

Method and Apparatus for Relaxing Uplink and Downlink RF Switching

 #17
20120195389
2012-08-02

System including reply signal that at least partially overlaps request

 #18
20120195184
2012-08-02

Systems and methods for orthogonal frequency divisional multiplexing

 #19
20120147797
2012-06-14

Method and arrangement for managing a reference signal in a communications system

 #20
20120076183
2012-03-29

Systems and method for orthogonal frequency division multiplexing

 #21
20110317608
2011-12-29

Methods and apparatus for subframe configuration and generation in a multi-carrier communication system

 #22
20110267960
2011-11-03

Signaling MIMO allocations

 #23
20110255621
2011-10-20

Synchronized multipoint-to-point communication using orthogonal frequency division

 #24
20110242963
2011-10-06

Systems and methods for orthogonal frequency division multiplexing

 #25
20110222526
2011-09-15

Method for frequency division duplex communications

 #26
20110096702
2011-04-28

Method for sending the physical broadcast channel in a time division duplex system

 #27
20110058507
2011-03-10

Wireless communication system, base station, channel allocation method, and program

 #28
20110032853
2011-02-10

Method and apparatus for communication in a TDD-based wireless communication system

 #29
20100173643
2010-07-08

Signaling MIMO allocations

 #30
20100165894
2010-07-01

Method and arrangement for managing a reference signal for uplink channel estimation in a communications system

 #31
20100118829
2010-05-13

Method, data structure and computer system for packing a worldwide interoperability for microwave access (WiMAX) frame

 #32
20100097962
2010-04-22

Communication control method, base station device, terminal device, and communication control system using TDD-OFDMA communication method

 #33
20100067458
2010-03-18

OFDMA communication system and communication method

 #34
20100034154
2010-02-11

Communication System, Base Station, and Communication Method

 #35
20100023791
2010-01-28

Process for digital, bidirectional data transmission

 #36
20100020754
2010-01-28

OFDMA Communication System and Communication Method

 #37
20100014605
2010-01-21

System for multiple use subchannels

 #38
20090316816
2009-12-24

Method for multiple use subchannels

 #39
20090238065
2009-09-24

SYSTEM AND METHOD FOR CONTENTION BASED TONES IN A MULTIPOINT-TO-POINT ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SYSTEM

 #40
20090225818
2009-09-10

Systems and method for orthogonal frequency divisional multiplexing

 #41
20090190570
2009-07-30

Methods and Device for Transmitting Data from a First Communication Device to a Second Communication Device

 #42
20090122883
2009-05-14

FOLLOW-UP SYNCHRONIZATION TO MAINTAIN SYNCHRONIZATION THROUGHOUT TRANSMISSION

 #43
20090122881
2009-05-14

FOLLOW-UP SYNCHRONIZATION TO MAINTAIN SYNCHRONIZATION THROUGHOUT TRANSMISSION

 #44
20090122731
2009-05-14

Partial discarding of cyclic prefix for efficient TDD or half-duplex FDD operation

 #45
20090121825
2009-05-14

Method Of An Device For Performing Bi-Directional Transmission Using A Single-Wire

 #46
20090103498
2009-04-23

Method and apparatus for allocating receiver resources based on delay

 #47
20090092040
2009-04-09

Methods and systems for selecting modulation in an orthogonal frequency division multiplexing system

 #48
20090080554
2009-03-26

Tone allocation in multipoint-to-point communication using orthogonal frequency division multiplexing

 #49
20090080553
2009-03-26

Synchronization techniques in multipoint-to-point communication using orthogonal frequency division multiplexing

 #50
20090080552
2009-03-26

SYSTEM FOR MULTIPLE USE SUBCHANNELS

 #51
20090080505
2009-03-26

Ranging and round trip delay timing adjustment in a multi-point to point bidirectional communication system

 #52
20090074095
2009-03-19

System for multi-frame alignment

 #53
20090074087
2009-03-19

SYSTEM FOR FOLLOW-UP SYNCHRONIZATION TO MAINTAIN SYNCHRONIZATION THROUGHOUT TRANSMISSION

 #54
20090067516
2009-03-12

Ranging and round trip delay timing adjustment in a multi-point to point bidirectional communication system

 #55
20090067513
2009-03-12

Smart antenna system and method thereof for forming uplink eigenbeam of OFDM/TDD

 #56
20090067319
2009-03-12

SYSTEMS AND METHOD FOR ORTHOGONAL FREQUENCY DIVISIONAL MULTIPLEXING

 #57
20090052357
2009-02-26

Method for realizing frequency domain scheduling in the time division duplex system and the system thereof

 #58
20090046773
2009-02-19

System including reply signal that at least partially overlaps request

 #59
20080298339
2008-12-04

Method for frequency division duplex communications

 #60
20080279259
2008-11-13

Radio Communication Apparatus, Base Station and System

 #61
20080273607
2008-11-06

Ranging and round trip delay timing adjustment in a multi-point to point bidirectional communication system

 #62
20080253435
2008-10-16

SYSTEMS AND METHOD FOR ORTHOGONAL FREQUENCY DIVISIONAL MULTIPLEXING

 #63
20080240719
2008-10-02

Method and apparatus for establishing system delay time and frame length in time division duplexing system

 #64
20080240410
2008-10-02

Systems and method for orthogonal frequency divisional multiplexing

 #65
20080240214
2008-10-02

Systems and method for orthogonal frequency divisional multiplexing

 #66
20080240003
2008-10-02

Transmission method in a wireless telecommunication system including at least a base station intended to communicate with terminals

 #67
20080225692
2008-09-18

SYSTEMS AND METHOD FOR ORTHOGONAL FREQUENCY DIVISIONAL MULTIPLEXING

 #68
20080225691
2008-09-18

Systems and method for orthogonal frequency divisional multiplexing

 #69
20080225690
2008-09-18

Systems and method for orthogonal frequency divisional multiplexing

 #70
20080165710
2008-07-10

Pilot structure for time division duplex downlink

 #71
20080151809
2008-06-26

Hierarchical frame structure for OFDMA systems with relay

 #72
20080137562
2008-06-12

Methods and apparatus for communication with time-division duplexing

 #73
20080123514
2008-05-29

METHODS FOR MULTIFRAME ALIGNMENT

 #74
20080082598
2008-04-03

Systems and method for orthogonal frequency divisional multiplexing

 #75
20080070536
2008-03-20

METHOD AND APPARATUS FOR ESTIMATING AND CONTROLLING INITIAL TIME SLOT GAIN IN A WIRELESS COMMUNICATION SYSTEM

 #76
20080063010
2008-03-13

Systems and method for orthogonal frequency divisional multiplexing

 #77
20080056398
2008-03-06

SYSTEMS AND METHOD FOR ORTHOGONAL FREQUENCY DIVISIONAL MULTIPLEXING

 #78
20080056119
2008-03-06

SYSTEMS AND METHOD FOR ORTHOGONAL FREQUENCY DIVISIONAL MULTIPLEXING

 #79
20080049860
2008-02-28

SYSTEMS AND METHOD FOR ORTHOGONAL FREQUENCY DIVISIONAL MULTIPLEXING

 #80
20080049856
2008-02-28

SYSTEMS AND METHOD FOR ORTHOGONAL FREQUENCY DIVISIONAL MULTIPLEXING

 #81
20080049604
2008-02-28

Systems and method for orthogonal frequency divisional multiplexing

 #82
20080049603
2008-02-28

System and method for multiframe alignment in a multipoint-to-point orthogonal frequency division multiplexing system

 #83
20080049599
2008-02-28

TONE HOPPING IN A MULTIPOINT-TO-POINT ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING COMMUNICATION SYSTEM

 #84
20080043704
2008-02-21

SYSTEM AND METHOD FOR ORDERWIRE MODULATION IN A MULTIPOINT-TO-POINT ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SYSTEM

 #85
20080043612
2008-02-21

Synchronization of remote units using multiple adjustments

 #86
20080043611
2008-02-21

Method and system for dynamic bandwidth allocation

 #87
20080040763
2008-02-14

System and method for contention based tones in a multipoint-to-point orthogonal frequency division multiplexing system

 #88
20080037663
2008-02-14

Timing and symbol alignment in multipoint-to-point communication using orthogonal frequency division multiplexing

 #89
20080037415
2008-02-14

SYSTEM AND METHOD FOR RANGING IN A MULTIPOINT-TO-POINT ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SYSTEM

 #90
20080037414
2008-02-14

SYSTEM AND METHOD FOR MULTIFRAME ALIGNMENT IN A MULTIPOINT-TO-POINT ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SYSTEM

 #91
20080037412
2008-02-14

System and method for round trip delay adjustment in a multipoint-to-point orthogonal frequency division multiplexing system

 #92
20080031373
2008-02-07

System and method for contention based tones in a multipoint-to-point orthogonal frequency division multiplexing system

 #93
20080031127
2008-02-07

SYSTEM AND METHOD FOR ORDERWIRE MODULATION IN A MULTIPOINT-TO-POINT ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SYSTEM

 #94
20080025284
2008-01-31

SYSTEM FOR MULTI-FRAME ALIGNMENT

 #95
20080025202
2008-01-31

SCANNING BY REMOTES IN MULTIPOINT-TO-POINT COMMUNICATION USING ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING

 #96
20080025201
2008-01-31

SYSTEM AND METHOD FOR RANGING AND ROUND TRIP DELAY ADJUSTMENT IN A MULTIPOINT-TO-POINT ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SYSTEM

 #97
20070297527
2007-12-27

Synchronization techniques in multipoint-to-point communication using orthogonal frequency division multiplexing

 #98
20070286240
2007-12-13

GUARD TONES IN A MULTI-POINT TO POINT ORTHOGINAL FREQUENCY DIVISION MULTIPLEXING SYSTEM

 #99
20070280099
2007-12-06

MULTIFRAME ALIGNMENT IN MULTIPOINT-TO-POINT COMMUNICATION USING ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING

 #100
20070274202
2007-11-29

FORWARD-LOOKING TONE ALLOCATION IN MULTIPOINT-TO-POINT COMMUNICATION USING ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING

 #101
20070274200
2007-11-29

REMOTE BAND SCANNING IN MULTIPOINT-TO-POINT ORTHOGONAL FREQUENCY DIVISION MULITIPLEXING COMMUNICATION

 #102
20070263665
2007-11-15

SYSTEMS FOR CONTENTION-BASED BANDWIDTH REQUESTS IN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SYSTEMS

 #103
20070253500
2007-11-01

METHOD FOR MULTIPLE USE SUBCHANNELS

 #104
20070253323
2007-11-01

Multiuse subcarriers in multipoint-to-point communication using orthogonal frequency division multiplexing

 #105
20070253322
2007-11-01

System for multiple use subchannels

 #106
20070248146
2007-10-25

Methods and systems for tone hopping

 #107
20070248001
2007-10-25

Method and system for forward-looking tone allocation

 #108
20070245394
2007-10-18

Training premable in multipoint-to-point communication using orthogonal frequency division multiplexing

 #109
20070242597
2007-10-18

Scanning by remotes in multipoint-to-point communication using orthogonal frequency division multiplexing

 #110
20070237182
2007-10-11

CONTENTION-BASED ACCESS IN MULTIPOINT-TO-POINT COMMUNICATION USING ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING

 #111
20070237070
2007-10-11

METHODS FOR CONTENTION-BASED BANDWIDTH REQUESTS IN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SYSTEMS

 #112
20070237066
2007-10-11

Systems for contention-based bandwidth requests in orthogonal frequency division multiplexing systems

 #113
20070230325
2007-10-04

Method and system for training sequences

 #114
20070223363
2007-09-27

Control modulation in multipoint-to-point communication using orthogonal frequency division multiplexing

 #115
20070223362
2007-09-27

System for oderwire modulation

 #116
20070223361
2007-09-27

Method for orderwire modulation

 #117
20070217325
2007-09-20

DISTRIBUTED CONTROL IN SYNCHRONIZING REMOTE UNITS TO HOST UNIT

 #118
20070217324
2007-09-20

DISTRIBUTED CONTROL IN SYNCHRONIZING REMOTE UNITS TO HOST UNIT

 #119
20070211617
2007-09-13

VARIABLE ERROR CORRECTION IN MULTIPOINT-TO-POINT COMMUNICATION USING ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING

 #120
20070206693
2007-09-06

ADAPTIVE MODULATION IN MULTIPOINT-TO-POINT COMMUNICATION USING ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING

 #121
20070206491
2007-09-06

DISTRIBUTED CONTROL OF POWER IN MULTIPOINT-TO-POINT ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING COMMUNICATION

 #122
20070204317
2007-08-30

SYMBOL ALIGNMENT IN MULTIPOINT-TO-POINT ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING COMMUNICATION

 #123
20070201628
2007-08-30

DISTRIBUTED CONTROL OF POWER IN MULTIPOINT-TO-POINT ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING COMMUNICATION

 #124
20070201573
2007-08-30

SYSTEM FOR VARIABLE FORWARD ERROR CORRECTION IN A MULTIPOINT TO POINT ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SYSTEM

 #125
20070201352
2007-08-30

Ranging and round trip delay timing adjustment in a multi-point to point bidirectional communication system

 #126
20070201348
2007-08-30

Use of identifier of remote unit for downstream signals

 #127
20070201347
2007-08-30

USE OF GUARD BANDS IN MULTIPOINT-TO-POINT ORTHGONAL FREQUENCY DIVISION MULTIPLEXING COMMUNICATION

 #128
20070201346
2007-08-30

Multipoint-to-point communication using orthgonal frequency division multiplexing and identification codes

 #129
20070201345
2007-08-30

DISTRIBUTED CONTROL OF CARRIER FREQUENCY IN MULTIPOINT-TO-POINT ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING COMMUNICATION

 #130
20070199034
2007-08-23

System for multi-frame alignment

 #131
20070195902
2007-08-23

METHOD FOR VARIABLE FORWARD ERROR CORRECTION IN A MULTI-POINT TO POINT ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SYSTEM

 #132
20070195901
2007-08-23

Method and system for adaptive modulation

 #133
20070195828
2007-08-23

Bit assignment in a communication system and communication method

 #134
20070195689
2007-08-23

Method and system for adaptive modulation

 #135
20070195687
2007-08-23

SYMBOL ALIGNMENT IN MULTIPOINT-TO-POINT ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING COMMUNICATION

 #136
20070192815
2007-08-16

Method for tone hopping in a multipoint-to-point orthogonal frequency division multiplexing communication system

 #137
20070186261
2007-08-09

DATA-SPECIFIC BANDWIDTH ALLOCATION IN MULTIPOINT-TO-POINT COMMUNICATION USING ORTHGONAL FREQUENCY DIVISION MULTIPLEXING

 #138
20070186260
2007-08-09

METHODS FOR MULTIFRAME ALIGNMENT

 #139
20070186258
2007-08-09

Tone allocation in multipoint-to-point communication using orthgonal frequency division multiplexing

 #140
20070183591
2007-08-09

Synchronization of remote units for a communication network

 #141
20070174890
2007-07-26

Synchronized multipoint-to-point communication using orthogonal frequency division

 #142
20070162946
2007-07-12

Round trip delay adjustment in multipoint-to-point communication using orthogonal frequency division multiplexing

 #143
20070162943
2007-07-12

MULTIPOINT-TO-POINT COMMUNICATION USING ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING

 #144
20070157278
2007-07-05

CONTENTION-BASED ACCESS TO TONES IN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING (OFDM) WAVEFORM

 #145
20070157277
2007-07-05

Multipoint-to-point communication using orthogonal frequency division multiplexing

 #146
20070147229
2007-06-28

Ranging and round trip delay timing adjustment in a multi-point to point bidirectional communication system

 #147
20070127524
2007-06-07

Communication system and communication method

 #148
20070116209
2007-05-24

Multipoint-to-point communication using orthogonal frequency division multiplexing

 #149
20070115803
2007-05-24

MULTIPOINT-TO-POINT COMMUNICATION USING ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING

 #150
20070110220
2007-05-17

DISTRIBUTED CONTROL OF CARRIER FREQUENCY IN MULTIPOINT-TO-POINT ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING COMMUNICATION

 #151
20070110096
2007-05-17

CONTENTION-BASED ACCESS TO TONES IN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING (OFDM) WAVEFORM

 #152
20070097928
2007-05-03

Frequency domain unscheduled transmission in a TDD wireless communications system

 #153
20060193465
2006-08-31

System and method for subliminal time domain duplexing

 #154
20060111061
2006-05-25

Method and apparatus for estimating and controlling initial time slot gain in a wireless communication system

 #155
20060025079
2006-02-02

Channel estimation for a wireless communication system

 #156
20060013285
2006-01-19

Radio communication apparatus, base station and system

 #157
20050250506
2005-11-10

Signaling MIMO allocations

 #158
20050180349
2005-08-18

Method for frequency division duplex communications

 #159
20050135515
2005-06-23

Method and apparatus for estimating and controlling initial time slot gain in a wireless communication system