ClassID:

223627

H04B7/0673 - 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 transmitting station using simultaneous transmission of delayed versions of same signal using feedback from receiving side

Recent Application in this class:
#1
20240098774
2024-03-21

Multi-User MIMO Systems and Methods

#2
20220183019
2022-06-09

Multi-user MIMO systems and methods

#3
20210344406
2021-11-04

Facilitation of beam management for 5G or other next generation network

#4
20210314030
2021-10-07

DECODING DATA IN NEW RADIO ULTRA-RELIABLE LOW LATENCY COMMUNICATIONS WITH MULTIPLE TRANSMISSION POINTS

#5
20210226721
2021-07-22

Beam domain optical wireless communication method and system

#6
20210084665
2021-03-18

Multi-user MIMO systems and methods

#7
20200228175
2020-07-16

Closed loop MIMO systems and methods

#8
20200162138
2020-05-21

Methods and systems for enabling feedback in wireless communication networks

#9
20200128110
2020-04-23

X2 protocol programmability

#10
20200106512
2020-04-02

Facilitation of beam management for 5G or other next generation network

#11
20200106486
2020-04-02

Decoding data in new radio ultra-reliable low latency communications with multiple transmission points

#12
20190312620
2019-10-10

Tunable passive time-delay structure for adjusting a direction of a beamforming pattern

#13
20190246405
2019-08-08

Multi-user MIMO systems and methods

#14
20190229787
2019-07-25

Methods and systems for enabling feedback in wireless communication networks

#15
20190036582
2019-01-31

Transmit diversity schemes for uplink sequence transmissions

#16
20190020399
2019-01-17

Beamforming using passive time-delay structures

#17
20180375562
2018-12-27

Reusable circular stapler handle with open assembly architecture

#18
20180337717
2018-11-22

Feedback channel information using pre-coders in a wireless communication system

#19
20180309485
2018-10-25

Method and apparatus for measuring and feeding back channel information

#20
20180219717
2018-08-02

Method and device for cancelling inter-symbol interference in wireless communication system

#21
20180167952
2018-06-14

Multi-user MIMO systems and methods

#22
20180054239
2018-02-22

Base station and operating method thereof

#23
20180006700
2018-01-04

Channel state feedback for a wireless link having phase relaxed channels

#24
20180006696
2018-01-04

Multiuser MIMO for large antenna systems with hybrid beamforming

#25
20170373734
2017-12-28

Method and apparatus for measuring and feeding back channel information

#26
20170222702
2017-08-03

Closed loop MIMO systems and methods

#27
20170079052
2017-03-16

Multi-user MIMO systems and methods

#28
20170070272
2017-03-09

Method and apparatus for measuring and feeding back channel information

#29
20160134339
2016-05-12

Closed loop MIMO systems and methods

#30
20160119048
2016-04-28

Methods and arrangements in a wireless communication system

#31
20160043820
2016-02-11

Transmission of feedback information for multi-carrier operation

#32
20150365148
2015-12-17

Multi-user MIMO systems and methods

#33
20150288439
2015-10-08

Method and apparatus for transmitting and receiving single stream through multiple beams in wireless communication system

#34
20150215921
2015-07-30

Methods and systems for enabling feedback in wireless communication networks

#35
20150188618
2015-07-02

Radio transmission apparatus and radio transmission method

#36
20150139221
2015-05-21

Method and apparatus for synchronizing multiple transmitters

#37
20150131634
2015-05-14

Antenna time offset in multiple-input-multiple-output and coordinated multipoint transmissions

#38
20150117394
2015-04-30

Method and apparatus for coordinating a cell on a plurality of resource blocks

#39
20140369262
2014-12-18

Method for transmitting channel quality information based on differential scheme

#40
20140355719
2014-12-04

Method and device for phase adjustment based on closed-loop diversity feedback

#41
20140314167
2014-10-23

Apparatus and method for transmitting and receiving feedback information in beamforming communication system

#42
20140273874
2014-09-18

Communications terminal, a network component, a method for transmitting a signal, and a method for providing feedback information to a communications terminal

#43
20140211876
2014-07-31

Integrated circuit for controlling radio transmission and reception

#44
20140192727
2014-07-10

Methods and arrangements in a wireless communication system

#45
20140098738
2014-04-10

Radio communication system and communication control method

#46
20130336147
2013-12-19

Multi-user MIMO systems and methods

#47
20130083780
2013-04-04

Antenna time offset in multiple-input-multiple-output and coordinated multipoint transmissions

#48
20130003791
2013-01-03

Multi-user MIMO systems and methods

#49
20120328045
2012-12-27

Time varying delay diversity of OFDM

#50
20120294202
2012-11-22

METHOD OF COMMUNICATION

#51
20120292374
2012-11-22

Circular stapler with frictional reducing member

#52
20120292373
2012-11-22

Anvil and cartridge alignment configuration for a circular stapler

#53
20120292372
2012-11-22

Low cost anvil assembly for a circular stapler

#54
20120292368
2012-11-22

Circular stapler with automatic locking mechanism

#55
20120292366
2012-11-22

Reusable circular stapler handle with open assembly architecture

#56
20120231755
2012-09-13

Radio transmission apparatus and radio transmission method

#57
20120208468
2012-08-16

Method and device for phase adjustment based on closed-loop diversity feedback

#58
20120128089
2012-05-24

WIRELESS COMMUNICATION SYSTEM, TRANSMITTING APPARATUS, WIRELESS COMMUNICATION METHOD, AND CONTROL METHOD FOR TRANSMITTING APPARATUS

#59
20120122500
2012-05-17

Method and apparatus for synchronizing multiple transmitters

#60
20120122499
2012-05-17

Method and apparatus for synchronizing multiple transmitters

#61
20120106483
2012-05-03

Methods and systems for enabling feedback in wireless communication networks

#62
20120051248
2012-03-01

Method for transmitting channel quality information based on differential scheme

#63
20120020424
2012-01-26

Multi-user MIMO systems and methods

#64
20110250855
2011-10-13

Wireless transmitter

#65
20110249665
2011-10-13

Communication apparatus, mobile station, and communication control method

#66
20110110246
2011-05-12

Transmission of feedback information for multi-carrier operation

#67
20110021225
2011-01-27

System and method utilizing transmit diversity

#68
20100130221
2010-05-27

TERMINAL APPARATUS, BASE STATION APPARATUS, AND COMMUNICATION SYSTEM

#69
20100124888
2010-05-20

Wireless transmitter

#70
20100120460
2010-05-13

Method and apparatus for improving transmission efficiency in a mobile radio communications system

#71
20100120388
2010-05-13

Wireless receiver

#72
20100110982
2010-05-06

Method for transmitting channel quality information based on differential scheme

#73
20100034093
2010-02-11

Method for transmitting channel quality information based on differential scheme

#74
20100014601
2010-01-21

Retransmission of data in a multiple input multiple output (MIMO) system

#75
20090316807
2009-12-24

METHOD AND APPARATUS FOR ACHIEVING TRANSMIT DIVERSITY AND SPATIAL MULTIPLEXING USING ANTENNA SELECTION BASED ON FEEDBACK INFORMATION

#76
20090316802
2009-12-24

Multi-user MIMO systems and methods

#77
20090310701
2009-12-17

Method for transmitting/receiving signal in MIMO system

#78
20090268686
2009-10-29

Wireless transmitter and wireless transmission method

#79
20090258609
2009-10-15

Radio transmission apparatus and radio transmission method

#80
20090175376
2009-07-09

DATA COMMUNICATION IN A WIRELESS COMMUNICATION SYSTEM USING SPACE-TIME CODING

#81
20090086838
2009-04-02

Wireless transmitter

#82
20090081967
2009-03-26

Wireless transmitter

#83
20090080402
2009-03-26

Wireless receiver

#84
20090034637
2009-02-05

Transmitting apparatus, receiving apparatus, and link adaptation method

#85
20080150514
2008-06-26

Communication method and system

#86
20080137635
2008-06-12

Pre-processing systems and methods for MIMO antenna systems

#87
20080119213
2008-05-22

Method for establishing fast feedback channel and transmitting information in a wireless communication system

#88
20080108310
2008-05-08

Closed loop MIMO systems and methods

#89
20080101327
2008-05-01

Apparatus and method for space-time coding adaptive to number of antennas in multiple input multiple output wireless communication system

#90
20080069054
2008-03-20

Communication system and method for selecting codeword thereof

#91
20080069031
2008-03-20

Methods and systems for enabling feedback in wireless communication networks

#92
20080062915
2008-03-13

Apparatus and method for automatic repeat request in multi input multi output system

#93
20080051150
2008-02-28

Wireless communication apparatus and wireless communication method

#94
20080013642
2008-01-17

APPARATUS AND METHOD FOR SELECTING CODING SCHEME IN A MIMO SYSTEM

#95
20070291870
2007-12-20

Communications systems

#96
20070265037
2007-11-15

Variable feedback for universal terrestrial radio access

#97
20070127557
2007-06-07

Fractionally-spaced equalizers for spread spectrum wireless communication

#98
20060270341
2006-11-30

Scheduling method and system using relay station in radio communication system

#99
20060077886
2006-04-13

Transmission apparatus and method for a base station using block coding and cyclic delay diversity techniques in an OFDM mobile communication system

#100
20060056462
2006-03-16

Transmission device and transmission method

#101
20060039328
2006-02-23

Data communication in a wireless communication system using space-time coding

#102
20060013151
2006-01-19

TSTD apparatus and method for a TDD CDMA mobile communication system

#103
20050254592
2005-11-17

Time varying delay diversity of OFDM

#104
20050181736
2005-08-18

Self & minus; adaptive weighted space time transmitting diversity method and system thereof

#105
20050157807
2005-07-21

Method for transmitting/receiving signal in MIMO system

#106
20050141494
2005-06-30

Data transmission method, and system

#107
20050117660
2005-06-02

Wireless transmission using an adaptive transmit antenna array

#108
20050117520
2005-06-02

Radio transmission device and radio transmission method

#109
20050068909
2005-03-31

Apparatus and method for controlling a transmission scheme according to channel state in a communication system

#110
20050031062
2005-02-10

Method and apparatus for determining a shuffling pattern based on a minimum signal to noise ratio in a double space-time transmit diversity system