HK1136413A1 - Method and apparatus for processing feedback in a wireless communication system - Google Patents
Method and apparatus for processing feedback in a wireless communication systemInfo
- Publication number
- HK1136413A1 HK1136413A1 HK10102876.3A HK10102876A HK1136413A1 HK 1136413 A1 HK1136413 A1 HK 1136413A1 HK 10102876 A HK10102876 A HK 10102876A HK 1136413 A1 HK1136413 A1 HK 1136413A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- wireless communication
- communication system
- processing feedback
- feedback
- processing
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0417—Feedback systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—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
- H04B7/0615—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 weighted versions of same signal
- H04B7/0619—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 weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—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
- H04B7/0615—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 weighted versions of same signal
- H04B7/0619—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 weighted versions of same signal using feedback from receiving side
- H04B7/0636—Feedback format
- H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—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
- H04B7/0615—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 weighted versions of same signal
- H04B7/0619—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 weighted versions of same signal using feedback from receiving side
- H04B7/0636—Feedback format
- H04B7/0641—Differential feedback
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—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
- H04B7/0615—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 weighted versions of same signal
- H04B7/0619—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 weighted versions of same signal using feedback from receiving side
- H04B7/0636—Feedback format
- H04B7/0645—Variable feedback
- H04B7/065—Variable contents, e.g. long-term or short-short
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
- H04L1/0618—Space-time coding
- H04L1/0675—Space-time coding characterised by the signaling
- H04L1/0693—Partial feedback, e.g. partial channel state information [CSI]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0204—Channel estimation of multiple channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/024—Channel estimation channel estimation algorithms
- H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
- H04L25/0246—Channel estimation channel estimation algorithms using matrix methods with factorisation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US86343206P | 2006-10-30 | 2006-10-30 | |
US86372006P | 2006-10-31 | 2006-10-31 | |
US87050306P | 2006-12-18 | 2006-12-18 | |
PCT/US2007/022905 WO2008054737A2 (en) | 2006-10-30 | 2007-10-30 | Method and apparatus for processing feedback in a wireless communication system |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1136413A1 true HK1136413A1 (en) | 2010-06-25 |
Family
ID=39183104
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK10102876.3A HK1136413A1 (en) | 2006-10-30 | 2010-03-18 | Method and apparatus for processing feedback in a wireless communication system |
Country Status (15)
Country | Link |
---|---|
US (3) | US8798212B2 (ko) |
EP (1) | EP2090012A2 (ko) |
JP (4) | JP2010508765A (ko) |
KR (4) | KR20090080571A (ko) |
CN (2) | CN101584145B (ko) |
AR (1) | AR063543A1 (ko) |
AU (1) | AU2007314377A1 (ko) |
BR (1) | BRPI0716288A2 (ko) |
CA (1) | CA2668247C (ko) |
HK (1) | HK1136413A1 (ko) |
IL (1) | IL198496A0 (ko) |
MX (1) | MX2009004654A (ko) |
MY (1) | MY152640A (ko) |
TW (2) | TWI470957B (ko) |
WO (1) | WO2008054737A2 (ko) |
Families Citing this family (32)
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TWI470957B (zh) | 2006-10-30 | 2015-01-21 | Interdigital Tech Corp | 無線通信系統中處理反饋方法及裝置 |
KR100950706B1 (ko) * | 2007-01-29 | 2010-03-31 | 삼성전자주식회사 | 다중 안테나 시스템에서 프리코딩 장치 및 방법 |
US20080187062A1 (en) * | 2007-02-06 | 2008-08-07 | Interdigital Technology Corporation | Method and apparatus for multiple-input multiple- output feedback generation |
JP5506404B2 (ja) | 2007-03-15 | 2014-05-28 | インターデイジタル テクノロジー コーポレーション | ワイヤレス通信においてフィードバックのオーバーヘッドを低減する方法および装置 |
KR101207569B1 (ko) * | 2008-04-22 | 2012-12-03 | 삼성전자주식회사 | 전처리 행렬 선택 장치 및 방법 |
TWI506976B (zh) | 2008-07-02 | 2015-11-01 | Interdigital Patent Holdings | 多輸入多輸出通信的秩及預編碼矩陣測量及報告方法及裝置 |
US8432988B2 (en) * | 2008-07-02 | 2013-04-30 | Futurewei Technologies, Inc. | System and method for quantization of channel state information |
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KR101021700B1 (ko) | 2008-11-19 | 2011-03-15 | 고려대학교 산학협력단 | 다중 사용자 다중 입출력 시스템의 빔형성 장치 및 방법 |
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KR20120054089A (ko) * | 2009-09-25 | 2012-05-29 | 후지쯔 가부시끼가이샤 | 프리코딩 행렬 코드북 생성 방법 및 장치 |
CN102035626B (zh) * | 2009-09-30 | 2013-06-12 | 华为技术有限公司 | 一种获取预编码矩阵指示的方法和装置 |
KR101652869B1 (ko) | 2009-11-02 | 2016-09-01 | 삼성전자주식회사 | 네트워크 다중 입출력 시스템에서 협력 멀티 포인트 송신을 위한 동적 채널 피드백 제어 방법 |
US8817904B2 (en) | 2009-12-30 | 2014-08-26 | Telecom Italia S.P.A. | Method for selecting a precoding matrix in a multiple input multiple output (“MIMO”) system |
KR101688263B1 (ko) | 2010-01-08 | 2016-12-20 | 인터디지탈 패튼 홀딩스, 인크 | 다수의 업링크 캐리어와의 시간 정렬 유지 |
JP2011166536A (ja) * | 2010-02-10 | 2011-08-25 | Sharp Corp | 無線送信装置、基地局装置、無線送信方法、基地局装置の制御プログラムおよび集積回路 |
US8494033B2 (en) | 2010-06-15 | 2013-07-23 | Telefonaktiebolaget L M Ericsson (Publ) | Methods providing precoder feedback using multiple precoder indices and related communications devices and systems |
KR20110138742A (ko) * | 2010-06-21 | 2011-12-28 | 주식회사 팬택 | 장치의 채널정보 전송방법, 그 장치, 기지국, 그 기지국의 전송방법 |
JP5723457B2 (ja) * | 2011-03-16 | 2015-05-27 | エヌイーシー(チャイナ)カンパニー, リミテッドNEC(China)Co.,Ltd. | ビームフォーミング方法および受信機 |
CN103188806A (zh) * | 2011-12-31 | 2013-07-03 | 富士通株式会社 | 确定有效信道、反馈信息的装置和方法 |
US9281881B2 (en) * | 2013-02-12 | 2016-03-08 | Texas Instruments Incorporated | 4TX codebook enhancement in LTE |
US10567048B2 (en) * | 2016-09-23 | 2020-02-18 | Qualcomm Incorporated | Techniques for determining uplink precoding matrix for a user equipment |
US10044423B2 (en) * | 2016-10-20 | 2018-08-07 | Samsung Electronics Co., Ltd | System and method for precoder selection in multiple-input multiple-output (MIMO) systems with discrete fourier transform (DFT)-based codebook |
CN109983775A (zh) | 2016-12-30 | 2019-07-05 | 深圳市大疆创新科技有限公司 | 用于基于反馈的数据发送的系统和方法 |
CN109936746B (zh) | 2016-12-30 | 2021-07-16 | 深圳市大疆创新科技有限公司 | 图像处理方法与设备 |
CN110225338B (zh) | 2016-12-30 | 2021-12-10 | 深圳市大疆创新科技有限公司 | 图像处理方法、装置、无人飞行器和接收端 |
JP7308152B2 (ja) * | 2017-05-21 | 2023-07-13 | エルジー エレクトロニクス インコーポレイティド | 無線通信システムにおいてフィードバック情報を送信する方法及びそのための端末 |
US10110287B1 (en) * | 2017-06-09 | 2018-10-23 | Nxp Usa, Inc. | Transmitter precoding based on quality score |
US11005541B2 (en) | 2017-11-21 | 2021-05-11 | Lg Electronics Inc. | Method for transmitting feedback information and terminal therefor |
KR20210009320A (ko) | 2018-04-16 | 2021-01-26 | 소니 가부시키가이샤 | 다중입력-다중출력(mimo) 무선전송을 구성하기 위한 방법 및 장치 |
WO2021049984A1 (en) * | 2019-09-12 | 2021-03-18 | Telefonaktiebolaget Lm Ericsson (Publ) | Provision of precoder selection policy for a multi-antenna transmitter |
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-
2007
- 2007-10-26 TW TW96140399A patent/TWI470957B/zh not_active IP Right Cessation
- 2007-10-26 TW TW101127520A patent/TWI508478B/zh not_active IP Right Cessation
- 2007-10-30 US US11/928,198 patent/US8798212B2/en not_active Expired - Fee Related
- 2007-10-30 BR BRPI0716288-0A2A patent/BRPI0716288A2/pt not_active IP Right Cessation
- 2007-10-30 CN CN200780040616.XA patent/CN101584145B/zh not_active Expired - Fee Related
- 2007-10-30 KR KR1020097013274A patent/KR20090080571A/ko not_active Application Discontinuation
- 2007-10-30 EP EP20070853029 patent/EP2090012A2/en not_active Withdrawn
- 2007-10-30 KR KR1020147008686A patent/KR101508105B1/ko not_active IP Right Cessation
- 2007-10-30 JP JP2009535295A patent/JP2010508765A/ja active Pending
- 2007-10-30 MX MX2009004654A patent/MX2009004654A/es not_active Application Discontinuation
- 2007-10-30 KR KR20097010896A patent/KR101205604B1/ko not_active IP Right Cessation
- 2007-10-30 KR KR1020127018228A patent/KR101506604B1/ko not_active IP Right Cessation
- 2007-10-30 WO PCT/US2007/022905 patent/WO2008054737A2/en active Application Filing
- 2007-10-30 CA CA2668247A patent/CA2668247C/en not_active Expired - Fee Related
- 2007-10-30 CN CN201410483705.3A patent/CN104270181A/zh active Pending
- 2007-10-30 AR ARP070104805 patent/AR063543A1/es unknown
- 2007-10-30 MY MYPI20091779 patent/MY152640A/en unknown
- 2007-10-30 AU AU2007314377A patent/AU2007314377A1/en not_active Abandoned
-
2009
- 2009-04-30 IL IL198496A patent/IL198496A0/en not_active IP Right Cessation
-
2010
- 2010-03-18 HK HK10102876.3A patent/HK1136413A1/xx not_active IP Right Cessation
-
2012
- 2012-06-14 JP JP2012134960A patent/JP5715091B2/ja not_active Expired - Fee Related
-
2014
- 2014-06-27 US US14/318,495 patent/US9225400B2/en not_active Expired - Fee Related
- 2014-09-18 JP JP2014190330A patent/JP6019076B2/ja not_active Expired - Fee Related
-
2015
- 2015-12-28 US US14/981,280 patent/US20160134340A1/en not_active Abandoned
-
2016
- 2016-07-29 JP JP2016150454A patent/JP2016197914A/ja active Pending
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Effective date: 20181101 |