ClassID:

223667

H04B7/0891 - CPC Classification

Classification description:

Radio transmission systems, i.e. using radiation field; Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station Space-time diversity

Sub-classes:
Recent Application in this class:
#1
20250070930
2025-02-27

TRANSMISSION METHOD, RECEPTION METHOD, TRANSMITTER, AND RECEIVER

#2
20240080074
2024-03-07

RECONFIGURABLE INTELLIGENT SURFACE (RIS)-ASSISTED SENSING

#3
20230275712
2023-08-31

Transmission method, reception method, transmitter, and receiver

#4
20230239009
2023-07-27

SYSTEMS AND METHODS FACILITATING INCREASED CAPACITY IN RADIO FREQUENCY (RF) COMMUNICATIONS

#5
20230091129
2023-03-23

SIGNAL RECEIVING METHOD, SIGNAL TRANSMISSION METHOD, USER EQUIPMENT, AND NETWORK DEVICE

#6
20220173775
2022-06-02

Communication device and program storage medium

#7
20210218518
2021-07-15

Transmission method, reception method, transmitter, and receiver

#8
20210126700
2021-04-29

MANAGING HIGH VOLUMES OF SPACE-TIME-STREAMS IN NEXT GENERATION EXTREMELY HIGH THROUGHPUT (EHT) WI-FI SYSTEMS

#9
20210068085
2021-03-04

Signal receiving method, signal transmission method, user equipment, and network device

#10
20210067236
2021-03-04

Method and apparatus for implementing transmission diversity using single transmitter

#11
20200266945
2020-08-20

Transmission method, reception method, transmitter, and receiver

#12
20200177312
2020-06-04

Method and apparatus for implementing space time processing with unequal modulation and coding schemes

#13
20200007217
2020-01-02

System and method for mapping symbols for MIMO transmission

#14
20200007205
2020-01-02

Method for reporting channel state information in wireless communication system and apparatus therefor

#15
20190334668
2019-10-31

Transmission method, reception method, transmitter, and receiver

#16
20190238200
2019-08-01

Transmission apparatus, transmission method, reception apparatus, and reception method

#17
20190199489
2019-06-27

Transmission method, reception method, transmitter, and receiver

#18
20190115970
2019-04-18

Managing high volumes of space-time-streams in next generation extremely high throughput (EHT) Wi-Fi systems

#19
20190097696
2019-03-28

Tuning a subset of receive chains of a component carrier away from MIMO communication to perform an inter-frequency positioning reference signal measurement

#20
20180367189
2018-12-20

Rate-adaptive multiple input/multiple output (MIMO) systems

#21
20180331751
2018-11-15

Space-time coding with signal separation

#22
20180254856
2018-09-06

Method and apparatus for implementing space time processing with unequal modulation and coding schemes

#23
20180227092
2018-08-09

Transmission method, reception method, transmitter, and receiver

#24
20180191382
2018-07-05

Method of combatting interference by spatial filtering or spatio-temporal filtering in a multi-channel receiver

#25
20180175972
2018-06-21

Methods and devices for sub-block decoding data signals

#26
20180175971
2018-06-21

Methods and devices for sub-block decoding data signals

#27
20180069614
2018-03-08

System and method for mapping symbols for MIMO transmission

#28
20180019785
2018-01-18

Method and device for adjusting signal of receiving device in mobile communication system

#29
20170288933
2017-10-05

WIRELESS SIGNAL RECEIVER

#30
20170207832
2017-07-20

Rate-adaptive multiple input/multiple output (MIMO) systems

#31
20160248558
2016-08-25

Transmission method, reception method, transmitter, and receiver

#32
20160182134
2016-06-23

Mutual WLAN and WAN interference mitigation in unlicensed spectrum

#33
20160146925
2016-05-26

Method and apparatus for increasing angular resolution in an automotive radar system

#34
20160080066
2016-03-17

Transmitter diversity technique for wireless communications

#35
20160049974
2016-02-18

Systems and methods for parallel signal cancellation

#36
20150365196
2015-12-17

Minimum mean squared error approach to interference cancellation and maximum likelihood decoding of space-time block codes

#37
20150326352
2015-11-12

Method and apparatus for data transmission using multiple transmit antennas

#38
20150301154
2015-10-22

Gain projection geo-location systems and methods

#39
20150244417
2015-08-27

Interference cancellation in a spread spectrum communication system

#40
20150180628
2015-06-25

Method for transmitting reference signal to antenna port in wireless access system

#41
20150139143
2015-05-21

Method and apparatus for implementing space time processing

#42
20150078428
2015-03-19

Techniques for determining covariance measures based on correlation criteria

#43
20150063497
2015-03-05

Antenna diversity combining for differentially modulated orthogonal frequency division multiplexed (OFDM) signals

#44
20140362944
2014-12-11

Systems and methods for compressed feedback and subcarrier grouping for beamforming

#45
20140314174
2014-10-23

Transmitter diversity technique for wireless communications

#46
20140301497
2014-10-09

Rate-adaptive multiple input/multiple output (MIMO) systems

#47
20140192920
2014-07-10

Method and apparatus for data transmission using multiple transmit antennas

#48
20140153427
2014-06-05

Method and apparatus for monitoring a wireless link in a wireless communication system

#49
20140072076
2014-03-13

System and method for mapping symbols for MIMO transmission

#50
20140036811
2014-02-06

Multi-mode indication in subfield in a signal field of a wireless local area network data unit

#51
20130272147
2013-10-17

Systems and methods of using space time block codes

#52
20130259168
2013-10-03

Minimum mean squared error approach to interference cancellation and maximum likelihood decoding of space-time block codes

#53
20130235851
2013-09-12

Methods and apparatus to transmit and receive synchronization signals in a mobile communication system

#54
20130208833
2013-08-15

Method and device for decoding in a differential orthogonal space-time block coded system

#55
20130077721
2013-03-28

Methods and apparatus for MIMO detection

#56
20130039441
2013-02-14

Method and apparatus for implementing space time processing with unequal modulation and coding schemes

#57
20120314791
2012-12-13

Systems and methods for compressed feedback and subcarrier grouping for beamforming

#58
20120294349
2012-11-22

Interference-weighted communication signal processing systems and methods

#59
20120147987
2012-06-14

Method and apparatus for data transmission using multiple transmit antennas

#60
20120063529
2012-03-15

Inter-cell interference mitigation method using spatial covariance matrix estimation method for inter-cell interference mitigation of MIMO antenna OFDM system

#61
20120051294
2012-03-01

Method of adaptive frequency assignment to a plurality of antennas

#62
20120027130
2012-02-02

Interference-weighted communication signal processing systems and methods

#63
20110228710
2011-09-22

Interference cancellation in a spread spectrum communication system

#64
20110176599
2011-07-21

Rate-adaptive multiple input/multiple output (MIMO) systems

#65
20110170635
2011-07-14

Diversity technique for wireless communications

#66
20110096767
2011-04-28

Systems and methods for parallel signal cancellation

#67
20110070840
2011-03-24

Handheld synthetic antenna array

#68
20110069796
2011-03-24

Advanced Signal Processors for Interference Suppression in Baseband Receivers

#69
20110069746
2011-03-24

Method to detect data transmitted by multiple antennas

#70
20110044394
2011-02-24

Adaptive time diversity and spatial diversity for OFDM

#71
20110041043
2011-02-17

Diversity method using error correcting code

#72
20110026496
2011-02-03

Code division multiple access transmission antenna weighting

#73
20100329402
2010-12-30

Advanced signal processors for interference cancellation in baseband receivers

#74
20100303174
2010-12-02

Apparatus for processing received signal, method thereof, and method for selecting mapping rule

#75
20100278155
2010-11-04

Rate-adaptive multiple input/multiple output (MIMO) wireless system

#76
20100178950
2010-07-15

Method and system for diversity processing including using dedicated pilot method for open loop

#77
20100178929
2010-07-15

Network overlay geo-location system with smart antennas and method of operation

#78
20100172397
2010-07-08

Method and system for diversity processing

#79
20100172304
2010-07-08

Method and system for diversity processing including using dedicated pilot method for open loop

#80
20100159838
2010-06-24

Uplink multi-cell signal processing for interference suppression

#81
20100150279
2010-06-17

Signal detection in multiple-input-multiple-output communication system

#82
20100119005
2010-05-13

Rate adaptive transmission scheme for MIMO systems

#83
20100091831
2010-04-15

Interference canceling matched filter (ICMF) and related methods

#84
20100014565
2010-01-21

Minimum mean squared error approach to interference cancellation and maximum likelihood decoding of space-time block codes

#85
20090323851
2009-12-31

Method and apparatus for utilizing channel state information in a wireless communication system

#86
20090310725
2009-12-17

Space domain filter detecting method in a multi-antenna wireless communication system

#87
20090268841
2009-10-29

POWER CONTROL SYSTEM AND METHOD FOR COMMUNICATION SYSTEM USING SPACE-TIME TRANSMIT DIVERSITY SCHEME

#88
20090257472
2009-10-15

Interference cancellation in a spread spectrum communication system

#89
20090238255
2009-09-24

Estimation of Error Propagation Probability to Improve Performance of Decision-Feedback Based Systems

#90
20090117862
2009-05-07

Method for the multi-antenna transmission of a linearly-precoded signal, corresponding devices, signal and reception method

#91
20090092201
2009-04-09

Rate-adaptive multiple input/multiple output (MIMO) systems

#92
20090046774
2009-02-19

SPACE-TIME CODING/DECODING METHOD FOR MULTI-ANTENNA PULSE TYPE COMMUNICATION SYSTEM

#93
20090024906
2009-01-22

Method and apparatus for data transmission using multiple transmit antennas

#94
20090003466
2009-01-01

System and method for mapping symbols for MIMO transmission

#95
20080311873
2008-12-18

Method and system for SFBC/STBC in a communication diversity system using angle feedback

#96
20080285686
2008-11-20

Antenna Selection Apparatus and Methods

#97
20080285666
2008-11-20

Methods and systems for digital wireless communication

#98
20080238777
2008-10-02

System and method for enhancing the accuracy of a location estimate

#99
20080212722
2008-09-04

Method and apparatus providing an advanced MIMO receiver that includes a signal-plus-residual interference (SPRI) detector

#100
20080194207
2008-08-14

System and method for estimating the multi-path delays in a signal using a spatially blind antenna array

#101
20080170540
2008-07-17

COMMUNICATION SYSTEM, COMMUNICATION DEVICE, AND COMMUNICATION METHOD

#102
20080159426
2008-07-03

Apparatus and method for transmitting and receiving a signal in a multiple input multiple output mobile communication system

#103
20080159375
2008-07-03

Method of enhanced detection technique for wireless MIMO communication system

#104
20080130792
2008-06-05

Transmitting and receiving apparatus for supporting transmit antenna diversity using space-time block code

#105
20080063107
2008-03-13

Transmitter diversity technique for wireless communications

#106
20080031390
2008-02-07

Antenna diversity receiver

#107
20080008275
2008-01-10

Transmitter diversity technique for wireless communications

#108
20080002568
2008-01-03

Adaptive time diversity and spatial diversity for OFDM

#109
20070211822
2007-09-13

Method and apparatus for implementing space time processing with unequal modulation and coding schemes

#110
20070201632
2007-08-30

Apparatus, method and computer program product providing a mimo receiver

#111
20070183527
2007-08-09

Space-time transmit diversity systems and methods for ofdm applications

#112
20070183515
2007-08-09

Method and apparataus for transmitting data in a multi-antenna wireless system

#113
20070177658
2007-08-02

Method for 2D antenna rake combining in a code division multiple access system

#114
20070165735
2007-07-19

Method and apparatus for supporting transmit diversity in a receiver

#115
20070133814
2007-06-14

Joint Space-Time Optimum Filter (JSTOF) Using Cholesky and Eigenvalue Decompositions

#116
20070111759
2007-05-17

Radio communication apparatus

#117
20070110179
2007-05-17

Receiver diversity technique for wireless communications

#118
20070091985
2007-04-26

Code division multiple access transmission antenna weighting

#119
20070070953
2007-03-29

Method of cooperatively relaying data in cellular networks for a broadcast multicast services

#120
20070036236
2007-02-15

Interference canceling matched filter (ICMF) and related methods

#121
20070036069
2007-02-15

Adaptive time diversity and spatial diversity for OFDM

#122
20060291582
2006-12-28

Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion

#123
20060274846
2006-12-07

Differential multiple-length transmit and reception diversity

#124
20060258303
2006-11-16

Radio communication apparatus, transmitter apparatus, receiver apparatus and radio communication system

#125
20060233229
2006-10-19

Reconfigurable communications circuit

#126
20060232416
2006-10-19

Differential multiple-norm transmit diversity with forward error correction and related diversity reception

#127
20060227908
2006-10-12

Advanced signal processors for interference cancellation in baseband receivers

#128
20060215773
2006-09-28

Method for eliminating reception interference signal of space-time block coded orthogonal frequency division-multiplexing system in high-speed mobile channel

#129
20060209971
2006-09-21

Interference-weighted communication signal processing systems and methods

#130
20060183439
2006-08-17

Method and system for diversity processing including using dedicated pilot method for closed loop

#131
20060172708
2006-08-03

Space-time multiuser detector in mobile communication system and method thereof

#132
20060166626
2006-07-27

Rate-adaptive multiple input/multiple output (MIMO) systems

#133
20060164970
2006-07-27

Transmitter and receiver in DBLAST system

#134
20060159160
2006-07-20

Optimal weights for MMSE space-time equalizer of multicode CDMA system

#135
20060154607
2006-07-13

System and method for estimating the multi-path delays in a signal using a spatially blind antenna array

#136
20060148506
2006-07-06

Adaptive detector for multiple-data-path systems

#137
20060141998
2006-06-29

Wireless communication network measurement data collection using infrastructure overlay-based handset location systems

#138
20060125695
2006-06-15

System and method for enhancing the accuracy of a location estimate

#139
20060121946
2006-06-08

Multiple-access multiple-input multiple-output (MIMO) communication system

#140
20060116130
2006-06-01

Network overlay location system and method for air interface with frequency hopping

#141
20060105761
2006-05-18

Method and apparatus for allocating uplink resources in a multiple-input multiple-output (MIMO) communication system

#142
20060104196
2006-05-18

Adaptive time diversity and spatial diversity for OFDM

#143
20060098760
2006-05-11

Method of maximizing MIMO system performance by joint optimization of diversity and spatial multiplexing

#144
20060098720
2006-05-11

Antenna array communication using spreading codes

#145
20060093057
2006-05-04

System and method for space-time-frequency coding in a multi-antenna transmission system

#146
20060093056
2006-05-04

Signal reception in mobile communication network

#147
20060093020
2006-05-04

Interference cancellation in a spread spectrum communication system

#148
20060079221
2006-04-13

Network controlled feedback for MIMO systems

#149
20060073797
2006-04-06

Method and system for diversity processing

#150
20060002321
2006-01-05

Method and device for decreasing dissipation of power in receiver of digital multimedia broadcasting system

#151
20050286659
2005-12-29

Reduced bitstream candidate based receiver and received signal processing method

#152
20050271123
2005-12-08

Method and apparatus for interference cancellation in wireless receivers

#153
20050265477
2005-12-01

Wireless transmission method and wireless transmitter having a plurality of antennas

#154
20050249304
2005-11-10

Wireless communication system, wireless communication apparatus, wireless communication method, and computer program therefor

#155
20050239509
2005-10-27

Method and device for detecting vertical bell laboratories layered space-time codes

#156
20050237971
2005-10-27

Adaptive MIMO systems

#157
20050201481
2005-09-15

Method and apparatus for data transmission using multiple transmit antennas

#158
20050185734
2005-08-25

Method and radio system for digital signal transmission using complex space-time codes

#159
20050163245
2005-07-28

Data encoding for static MIMO channels

#160
20050148355
2005-07-07

Minimum mean squared error approach to interference cancellation and maximum likelihood decoding of space-time block codes

#161
20050147064
2005-07-07

Path search device and method, and array antenna reception device using the same

#162
20050135492
2005-06-23

Interference-weighted communication signal processing systems and methods

#163
20050117660
2005-06-02

Wireless transmission using an adaptive transmit antenna array

#164
20050107057
2005-05-19

MIMO communication system

#165
20050085195
2005-04-21

MIMO communications

#166
20050053172
2005-03-10

Method and apparatus providing an advanced MIMO receiver that includes a signal-plus-residual-interference (SPRI) detector

#167
20050025224
2005-02-03

Interference cancellation in a spread spectrum communication system

#168
20050013239
2005-01-20

Rate adaptive transmission scheme for MIMO systems

#169
20050008065
2005-01-13

Multiple-input multiple-output (MIMO) spread-spectrum system and method

#170
20050002326
2005-01-06

Method and apparatus for utilizing channel state information in a wireless communication system

#171
17006649
2022-05-10

Communication systems, devices, and methods for multicarrier frequency division duplexing

#172
14612080
2016-07-05

Four-by-four downlink (4×4 DL) multiple-input-multiple output (MIMO) with existing antenna structures