ClassID:

223758

H04B7/2621 - CPC Classification

Classification description:

Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using frequency division multiple access [FDMA]

Recent Application in this class:
#1
20250254692
2025-08-07

METHOD AND APPARATUS FOR PROVIDING AND UTILIZING A NON-CONTENTION BASED CHANNEL IN A WIRELESS COMMUNICATION SYSTEM

#2
20240291507
2024-08-29

FRONT END ARCHITECTURE FOR SELECTIVELY ADDING EXTERNAL CARRIER AGGREGATION BAND

#3
20240107542
2024-03-28

Method and apparatus for providing and utilizing a non-contention based channel in a wireless communication system

#4
20230368539
2023-11-16

REAR-FACING PERCEPTION SYSTEM FOR VEHICLES

#5
20230356761
2023-11-09

Methods and system for providing high-speed communication on high-speed railway

#6
20230011495
2023-01-12

FREQUENCY HOPPING

#7
20220070916
2022-03-03

Adaptive waveform selection in wireless communications

#8
20220070785
2022-03-03

Wake up receiver frame

#9
20220007311
2022-01-06

Digital channelizer with predistorter, high-power amplifier, and beamforming

#10
20210336650
2021-10-28

Frequency hopping

#11
20210328665
2021-10-21

COMMUNICATION METHOD IN FREQUENCY DIVISION DUPLEX SYSTEM, RELATED DEVICE, AND SYSTEM

#12
20210271899
2021-09-02

Rear-facing perception system for vehicles

#13
20210258950
2021-08-19

Method and apparatus for providing and utilizing a non-contention based channel in a wireless communication system

#14
20210258949
2021-08-19

Method and apparatus for providing and utilizing a non-contention based channel in a wireless communication system

#15
20210226820
2021-07-22

Frequency division multiplexing mapping of transmission configuration indicator states to a control channel

#16
20210194511
2021-06-24

Front end architecture for selectively adding external carrier aggregation band

#17
20210144645
2021-05-13

Wake up receiver frame

#18
20210028816
2021-01-28

Frequency hopping

#19
20200374879
2020-11-26

Frequency allocation for wireless communication networks

#20
20200287588
2020-09-10

Frequency hopping

#21
20200186191
2020-06-11

Frequency hopping

#22
20200119767
2020-04-16

Frequency hopping

#23
20200082175
2020-03-12

Rear-facing perception system for vehicles

#24
20200059793
2020-02-20

Signal transmission apparatus and method, and wireless access node

#25
20190393922
2019-12-26

Wireless device and wireless communication method

#26
20190380144
2019-12-12

Adaptive waveform selection in wireless communications

#27
20190373632
2019-12-05

Signal designs for D2D subframes

#28
20190327067
2019-10-24

Full-duplex communications system

#29
20190319681
2019-10-17

Shared-antenna interface apparatus for simultaneous transmit and receive

#30
20190260466
2019-08-22

Phase tracking reference signal symbol mapping

#31
20190223104
2019-07-18

Wake up receiver frame

#32
20190199397
2019-06-27

Frequency hopping

#33
20190191430
2019-06-20

Method and apparatus for providing and utilizing a non-contention based channel in a wireless communication system

#34
20190190548
2019-06-20

Front end architecture for selectively adding external carrier aggregation band

#35
20190173794
2019-06-06

Methods and apparatus for multiple user uplink

#36
20190159175
2019-05-23

Selecting a new radio uplink resource to transmit a random access procedure communication

#37
20190149253
2019-05-16

Method and user equipment for performing measurement, and method and base station for configuring measurement

#38
20190141705
2019-05-09

Narrowband service deployment in wideband carrier guard-band

#39
20190044578
2019-02-07

Apparatus and methods for beam refinement

#40
20180343030
2018-11-29

Frequency hopping

#41
20180302250
2018-10-18

Wireless SC-FDMA communications system

#42
20180302249
2018-10-18

Wireless SC-FDMA communications system

#43
20180242252
2018-08-23

Short-range wireless controller filtering and reporting

#44
20180183632
2018-06-28

Wireless device communications system

#45
20180167324
2018-06-14

METHODS AND APPARATUS FOR MULTIPLE USER UPLINK

#46
20180160450
2018-06-07

Radio link monitoring

#47
20180083696
2018-03-22

Methods and systems for frequency multiplexed communication in dense wireless environments

#48
20180062823
2018-03-01

BASE STATION AND METHOD USING A BASE STATION

#49
20180049233
2018-02-15

Adaptive waveform selection in wireless communications

#50
20180048574
2018-02-15

Methods and apparatus for multiple user uplink

#51
20180048573
2018-02-15

Methods and apparatus for acknowledgment of multi-user uplink wireless transmissions

#52
20180035318
2018-02-01

DATA TRANSMISSION METHOD, DEVICE, AND TRANSCEIVER

#53
20170367089
2017-12-21

Method and apparatus for providing and utilizing a non-contention based channel in a wireless communication system

#54
20170331647
2017-11-16

Heterogeneous weighted overlap-add windowing and filtering for orthogonal frequency division multiplexing waveforms

#55
20170273106
2017-09-21

Signal designs for D2D subframes

#56
20170257772
2017-09-07

Signal transmission apparatus and method, and wireless access node

#57
20170250847
2017-08-31

PARALLEL TRANSMISSION OF HIGH EFFICIENCY SIGNAL FIELD

#58
20170244476
2017-08-24

Methods and systems for frequency multiplexed communication in dense wireless environments

#59
20170164347
2017-06-08

Method and apparatus for transmitting control information in wireless communication system

#60
20170126898
2017-05-04

TRANSMISSION OF DATA WITH VOICE-ENCODED DATA UNITS ON A WIRELESS COMMUNICATIONS CHANNEL USING VARIABLE RATE BIT STEALING

#61
20170111084
2017-04-20

Apparatus and method for performing beamforming operation in communication system supporting frequency division-multiple input multiple output scheme

#62
20170048040
2017-02-16

Method and apparatus for implementing uplink transmission in flexible frequency division duplex system

#63
20170019223
2017-01-19

Multiple access method and system with adaptive frequency multiplexing of data send authorization requests

#64
20170013661
2017-01-12

Device-to-device communication management using macrocell communication resources

#65
20170013577
2017-01-12

Transmitter, receiver and methods for transmitting/ receiving synchronisation signals

#66
20160359646
2016-12-08

System and method for applying adaptive frequency-domain RLS DFE for uplink SC-FDMA

#67
20160294530
2016-10-06

Methods and apparatus for acknowledgment of multi-user uplink wireless transmissions

#68
20160277064
2016-09-22

High-capacity FHSS-MA devices and methods

#69
20160261389
2016-09-08

Simultaneously accessing shared resources

#70
20160249405
2016-08-25

Coordination techniques for discontinuous reception (DRX) operations in dual-connectivity architectures

#71
20160249292
2016-08-25

Short-range wireless controller filtering and reporting

#72
20160192342
2016-06-30

Mobile communication system, base station, and user terminal

#73
20160134413
2016-05-12

Small cell configuration for interference mitigation

#74
20160044691
2016-02-11

Multiplexing of control and data with varying power offsets in a SC-FDMA system

#75
20160036610
2016-02-04

AAS direct signaling framing methodologies to support high capacity wireless links

#76
20160020880
2016-01-21

Method and apparatus for transmitting SRS in LTE TDD system

#77
20160013924
2016-01-14

Method and apparatus for transmitting SRS in LTE TDD system

#78
20150373736
2015-12-24

Method and device for transmitting channel state information reference signal, hybrid spatial division multiplexing, and space division multiple access in wireless communication system using two-dimensional planar array antenna

#79
20150358958
2015-12-10

Method and apparatus for providing and utilizing a non-contention based channel in a wireless communication system

#80
20150326269
2015-11-12

Method for transceiving signal in wireless communication system, and apparatus therefor

#81
20150318963
2015-11-05

Frequency hopping

#82
20150280887
2015-10-01

Method for transceiving signal in wireless communication system, and apparatus therefor

#83
20150256249
2015-09-10

Apparatuses, methods, and computer programs for a receiver and a transmitter of a wireless system for improved wireless communication

#84
20150230009
2015-08-13

Frequency division duplex wireless communication apparatus and method

#85
20150207599
2015-07-23

System and method for partial bandwidth communication

#86
20150200797
2015-07-16

Communication system with PAPR management using noise-bearing subcarriers

#87
20150188605
2015-07-02

Frequency hopping

#88
20150163803
2015-06-11

Method and apparatus for transmitting SRS in LTE TDD system

#89
20150163786
2015-06-11

Method and apparatus for transmitting SRS in LTE TDD system

#90
20150163785
2015-06-11

Method and apparatus for transmitting SRS in LTE TDD system

#91
20150163035
2015-06-11

Method and apparatus for transmitting SRS in LTE TDD system

#92
20150163034
2015-06-11

Method and apparatus for transmitting SRS in LTE TDD system

#93
20150163033
2015-06-11

Method and apparatus for transmitting SRS in LTE TDD system

#94
20150163032
2015-06-11

Method and apparatus for transmitting SRS in LTE TDD system

#95
20150163031
2015-06-11

Method and apparatus for transmitting SRS in LTE TDD system

#96
20150155960
2015-06-04

Method for searching for a useful signal in a multiplexing band

#97
20150146647
2015-05-28

Signal designs for D2D subframes

#98
20150146645
2015-05-28

Evolved node-B and methods for supporting co-existence with Wi-Fi networks in an unlicensed frequency band

#99
20150146615
2015-05-28

Systems, methods, and devices for controlling transport of ratelessly coded messages

#100
20150146614
2015-05-28

TCP traffic adaptation in wireless systems

#101
20150146599
2015-05-28

Coordination techniques for radio resource control state management in dual-connectivity architectures

#102
20150146562
2015-05-28

Radio link monitoring

#103
20150124796
2015-05-07

Method of decoding a received SC-FDMA symbol in a receiver in a OFDM communication system, a receiver, an apparatus, an OFDM communication system and a computer program product

#104
20150110083
2015-04-23

Communication control apparatus, terminal apparatus, and communication control method

#105
20150063320
2015-03-05

Methods and apparatus for acknowledgment of multi-user uplink wireless transmissions

#106
20150063318
2015-03-05

Methods and apparatus for target transmission duration in multiple user uplink

#107
20150063291
2015-03-05

Methods and apparatus for multi-user uplink

#108
20150063258
2015-03-05

Methods and apparatus for multiple user uplink

#109
20150063257
2015-03-05

Methods and apparatus for multiple user uplink

#110
20150063191
2015-03-05

Methods and apparatus for multiple user uplink

#111
20150063111
2015-03-05

Methods and apparatus for multiple user uplink

#112
20150023286
2015-01-22

Method and apparatus for transmitting control information in a wireless communication

#113
20150009866
2015-01-08

Cancellation of spurious responses from local oscillator cross-coupling

#114
20140328313
2014-11-06

Methods and systems for frequency multiplexed communication in dense wireless environments

#115
20140328236
2014-11-06

Methods and systems for frequency multiplexed communication in dense wireless environments

#116
20140328235
2014-11-06

Methods and systems for frequency multiplexed communication in dense wireless environments

#117
20140321423
2014-10-30

Device-to-device communication management using macrocell communication resources

#118
20140307599
2014-10-16

Switch arrangement and apparatus

#119
20140301311
2014-10-09

Multiplexing of control and data with varying power offsets in a SC-FDMA system

#120
20140295775
2014-10-02

Switch arrangement

#121
20140293841
2014-10-02

RF front end arrangement and method for sharing first and second antennas by different frequency bands

#122
20140269605
2014-09-18

Simultaneously accessing shared resources

#123
20140226544
2014-08-14

Mobile communication system, base station, and user terminal

#124
20140211778
2014-07-31

Systems and Methods for SC-FDMA Diversity Transmission

#125
20140198764
2014-07-17

Systems and methods for generating a discovery signal in a device-to-device or network communication

#126
20140161005
2014-06-12

Method and system for signal dynamic range improvement for frequency-division duplex communication systems

#127
20140056294
2014-02-27

AAS direct signaling framing methodologies to support high capacity wireless links

#128
20140036961
2014-02-06

Frequency hopping

#129
20140036864
2014-02-06

Frequency hopping

#130
20140036830
2014-02-06

Frequency hopping

#131
20130301576
2013-11-14

Base station and transmission method

#132
20130170409
2013-07-04

Apparatus and method for transceiving a signal using a predetermined frame structure in a wireless communication system

#133
20130083788
2013-04-04

Delay-induced scattering with phase randomization and partitioned frequency hopping

#134
20120294272
2012-11-22

Method and apparatus for transmitting control information in a wireless communication system

#135
20120275441
2012-11-01

Method and apparatus for allocating communication resources to communicate data in a radio communication system

#136
20120218943
2012-08-30

Control resource mapping for a wireless communication system

#137
20120188946
2012-07-26

System and method for frequency division multiple access communications

#138
20120163333
2012-06-28

Frequency hopping

#139
20120093007
2012-04-19

Method and system for transmitting and receiving signal using multiple frequency bands in a wireless communication system

#140
20120020387
2012-01-26

Frequency hopping

#141
20110317683
2011-12-29

AAS direct signaling framing methodologies to support high capacity wireless links

#142
20110310930
2011-12-22

SPECTRAL REUSE TRANSCEIVER-BASED AGGREGATION OF DISJOINT, RELATIVELY NARROW BANDWIDTH (VOICE) CHANNEL SEGMENTS OF RADIO SPECTRUM FOR WIDEBAND RF COMMUNICATION APPLICATIONS

#143
20110122793
2011-05-26

Method and apparatus for allocating communication resources to communicate data in a radio communication system

#144
20110110323
2011-05-12

Method of transmitting or receiving uplink signals and equipment therefor

#145
20110090827
2011-04-21

COST EFFICIENT SPECTRAL-REUSE TRANSCEIVER

#146
20110075651
2011-03-31

Systems and methods for SC-FDMA transmission diversity

#147
20110064070
2011-03-17

Frequency division multiple access schemes for wireless communication

#148
20110058543
2011-03-10

Frequency block allocation apparatus and method, and computer program

#149
20100309852
2010-12-09

Method and apparatus for transmitting SRS in LTE TDD system

#150
20100290406
2010-11-18

Base station and transmission method

#151
20100232302
2010-09-16

CHANNEL QUALITY REPORTING METHOD, SCHEDULING METHOD, AND COMMUNICATION SYSTEM, TERMINAL AND BASE STATION

#152
20100189054
2010-07-29

Method for transmitting and receiving control channel with additional information

#153
20100111139
2010-05-06

Frequency hopping

#154
20100027450
2010-02-04

Multiplexing of control and data with varying power offsets in a SC-FDMA system

#155
20090232234
2009-09-17

BANDWIDTH ASYMMETRIC COMMUNICATION SYSTEM

#156
20090220022
2009-09-03

Device, method and computer program for transmitting an information signal comprising several transmit signals

#157
20090213802
2009-08-27

BASE STATION, COMMUNICATION TERMINAL, TRANSMISSION METHOD, AND RECEPTION METHOD

#158
20090213766
2009-08-27

Frame structures with flexible partition boundary for wireless networks

#159
20090201984
2009-08-13

BANDWIDTH ASYMMETRIC COMMUNICATION SYSTEM

#160
20090180406
2009-07-16

Method for reducing interferences

#161
20090097467
2009-04-16

Radio communication system and communication method

#162
20090074033
2009-03-19

Cost efficient spectral-reuse transceiver

#163
20090034439
2009-02-05

Transceiver for bidirectional frequency division multiplexed transmission

#164
20080253355
2008-10-16

Wireless base station apparatus and system to avoid preamble interference

#165
20080240205
2008-10-02

Wireless device configured to exclude frequency bands based on field intensity measurement

#166
20080219235
2008-09-11

System and method for frequency division multiple access communications

#167
20080167040
2008-07-10

Control resource mapping for a wireless communication system

#168
20080144545
2008-06-19

System and method for wireless communication in a frequency division duplexing region

#169
20080144542
2008-06-19

System and method for wireless communication in a frequency division duplexing region

#170
20080130621
2008-06-05

Delay-induced scattering with phase randomization and partitioned frequency hopping

#171
20080130611
2008-06-05

AAS direct signaling framing methodologies to support high capacity wireless links

#172
20080107049
2008-05-08

System and method for wireless communication in a time division duplexing region

#173
20080102779
2008-05-01

System and method for wireless communication in a frequency division duplexing region

#174
20080075106
2008-03-27

Method for allocating bandwidth on a plurality of communication channels

#175
20080013500
2008-01-17

Methods and apparatus for characterizing noise in a wireless communications system

#176
20080008229
2008-01-10

CELLULAR SYSTEM, METHOD OF ALLOCATING FREQUENCY CARRIERS IN THE SYSTEM, BASE STATION CONTROLLER AND BASE STATION USED IN THE SYSTEM

#177
20080008107
2008-01-10

Transceiver for bidirectional frequency division multiplexed transmission

#178
20070254693
2007-11-01

Radio communication system

#179
20070230414
2007-10-04

Method, apparatus and computer-readable medium for asymmetric frequency division duplexing operation

#180
20070217370
2007-09-20

System for minimizing signaling overhead in OFDMA-based communication systems

#181
20070189205
2007-08-16

Method and apparatus for providing and utilizing a non-contention based channel in a wireless communication system

#182
20070171809
2007-07-26

Reduced interference channel allocation based on subband grouping by modulation, coding, and power

#183
20070115795
2007-05-24

Frequency division multiple access schemes for wireless communication

#184
20070104175
2007-05-10

Method and apparatus for allocating communication resources to communicate data in a radio communication system

#185
20070104133
2007-05-10

Method for improved frequency division duplex operation in a wireless communications system

#186
20070060091
2007-03-15

Method of recognizing frequency bandwidth of base station in a mobile communication system with frequency bandwidth scalability

#187
20070058523
2007-03-15

Method for generating a frame in an orthogonal frequency division multiple access communication system

#188
20070019603
2007-01-25

Spectral reuse transceiver-based aggregation of disjoint, relatively narrow bandwidth (voice) channel segments of radio spectrum for wideband RF communication applications

#189
20060280142
2006-12-14

Method and apparatus for wireless multi-carrier communications

#190
20060252389
2006-11-09

System, apparatus and method of varying channel bandwidth

#191
20060251037
2006-11-09

Apparatus and method for performance improvement of channel estimation in broadband wireless access communication system

#192
20060215626
2006-09-28

Apparatus to transmit OFDM symbols with aligned fragmentation threshold

#193
20060077931
2006-04-13

Cellular communication method based on enhanced hybrid duplexing technology

#194
20060058067
2006-03-16

System and method for transmitting data between a base station and a mobile unit using frequency-diverse carriers

#195
20050270969
2005-12-08

Apparatus and method for providing a broadcasting service in a mobile communication system

#196
20050180376
2005-08-18

Implementation for a 5 sample guard interval for multi-band OFDM

#197
20050117539
2005-06-02

System and method for ranging for a fast handover in a mobile communication system

#198
20050079854
2005-04-14

Radio communication system

#199
20050078650
2005-04-14

Delay-induced scattering with phase randomization and partitioned frequency hopping

#200
20050018625
2005-01-27

Radio communication system and communication method

#201
20050007987
2005-01-13

Wireless communication system and communication method

#202
16506288
2020-05-12

Adaptive hopping equalizer

#203
15048306
2018-10-16

Phase correction of channelizer output without multipliers

#204
15048260
2018-08-07

Interpolated channelizer with compensation for non-linear phase offsets