CN101682379B - 用于闭环发射中的反馈的方法和装置 - Google Patents
用于闭环发射中的反馈的方法和装置 Download PDFInfo
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- CN101682379B CN101682379B CN200880016233.3A CN200880016233A CN101682379B CN 101682379 B CN101682379 B CN 101682379B CN 200880016233 A CN200880016233 A CN 200880016233A CN 101682379 B CN101682379 B CN 101682379B
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- 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
- H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
- H04B7/0465—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking power constraints at power amplifier or emission constraints, e.g. constant modulus, into account
-
- 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
- H04B7/0621—Feedback content
- H04B7/0634—Antenna weights or vector/matrix coefficients
-
- 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
- H04B7/0658—Feedback reduction
- H04B7/066—Combined feedback for a number of channels, e.g. over several subcarriers like in orthogonal frequency division multiplexing [OFDM]
Abstract
Description
码本索引 | 第一元素 | 第二元素 | 第三元素 | 第四元素 |
1 | 1/2 | 1/2 | 1/2 | 1/2 |
2 | 1/2 | 1/2 | -1/2 | -1/2 |
3 | 1/2 | -1/2 | -1/2 | 1/2 |
4 | 1/2 | -1/2 | 1/2 | -1/2 |
5 | 1/2 | -1/2 | -j/2 | -j/2 |
6 | 1/2 | -1/2 | j/2 | j/2 |
7 | 1/2 | 1/2 | j/2 | -j/2 |
8 | 1/2 | 1/2 | -j/2 | j/2 |
9 | 1/2 | -j/2 | -j/2 | -1/2 |
10 | 1/2 | -j/2 | j/2 | 1/2 |
11 | 1/2 | j/2 | j/2 | -1/2 |
12 | 1/2 | j/2 | -j/2 | 1/2 |
13 | 1/2 | j/2 | 1/2 | -j/2 |
14 | 1/2 | j/2 | -1/2 | j/2 |
15 | 1/2 | -j/2 | -1/2 | -j/2 |
16 | 1/2 | -j/2 | 1/2 | j/2 |
码本索引 | Householder矩阵数(n) | 用于秩2的列 | 用于秩3的列 | 用于秩4的列 |
1 | 1 | 2,4 | 2,3,4 | 1,2,3,4 |
2 | 2 | 2,4 | 2,3,4 | 1,2,3,4 |
3 | 3 | 1,4 | 1,3,4 | 1,2,3,4 |
4 | 4 | 3,4 | 1,3,4 | 1,2,3,4 |
5 | 5 | 3,4 | 1,3,4 | 1,2,3,4 |
6 | 6 | 2,3 | 1,2,3 | 1,2,3,4 |
7 | 7 | 2,3 | 1,2,3 | 1,2,3,4 |
8 | 8 | 3,4 | 1,3,4 | 1,2,3,4 |
9 | 9 | 1,3 | 1,2,3 | 1,2,3,4 |
10 | 10 | 1,3 | 1,2,3 | 1,2,3,4 |
11 | 11 | 1,2 | 1,2,3 | 1,2,3,4 |
12 | 12 | 2,3 | 1,2,3 | 1,2,3,4 |
13 | 13 | 2,4 | 2,3,4 | 1,2,3,4 |
14 | 14 | 2,4 | 2,3,4 | 1,2,3,4 |
15 | 15 | 1,4 | 1,3,4 | 1,2,3,4 |
16 | 16 | 3,4 | 1,3,4 | 1,2,3,4 |
Claims (16)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US93822007P | 2007-05-16 | 2007-05-16 | |
US60/938,220 | 2007-05-16 | ||
US12/060,301 US8107544B2 (en) | 2007-05-16 | 2008-04-01 | Method and apparatus for feedback in closed loop transmitting |
US12/060,301 | 2008-04-01 | ||
PCT/US2008/062211 WO2008144189A2 (en) | 2007-05-16 | 2008-05-01 | Method and apparatus for feedback in closed loop transmitting |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101682379A CN101682379A (zh) | 2010-03-24 |
CN101682379B true CN101682379B (zh) | 2012-11-07 |
Family
ID=40027460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200880016233.3A Active CN101682379B (zh) | 2007-05-16 | 2008-05-01 | 用于闭环发射中的反馈的方法和装置 |
Country Status (6)
Country | Link |
---|---|
US (2) | US8107544B2 (zh) |
EP (1) | EP2158694B1 (zh) |
JP (1) | JP2010527562A (zh) |
CN (1) | CN101682379B (zh) |
TW (1) | TWI436609B (zh) |
WO (1) | WO2008144189A2 (zh) |
Families Citing this family (50)
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IT1403065B1 (it) * | 2010-12-01 | 2013-10-04 | Andrew Wireless Systems Gmbh | Distributed antenna system for mimo signals. |
KR101454027B1 (ko) * | 2007-08-10 | 2014-10-24 | 한국전자통신연구원 | 병렬 구조를 가지는 시분할 다중화 통신 시스템 및 방법 |
KR101421592B1 (ko) * | 2007-09-05 | 2014-08-14 | 삼성전자주식회사 | 인터리버 분할 다중 접속 시스템에서 송수신 장치 및 방법 |
KR101372736B1 (ko) * | 2007-09-28 | 2014-03-26 | 삼성전자주식회사 | 통신 시스템에서 피드백 정보 송신 장치 및 방법 |
CN101471707B (zh) * | 2007-12-28 | 2013-09-11 | 华为技术有限公司 | 时分双工多输入多输出的下行波束形成方法、装置和系统 |
US8165595B2 (en) * | 2008-01-25 | 2012-04-24 | Samsung Electronics Co., Ltd. | System and method for multi-stage antenna training of beamforming vectors |
US8280445B2 (en) | 2008-02-13 | 2012-10-02 | Samsung Electronics Co., Ltd. | System and method for antenna training of beamforming vectors by selective use of beam level training |
KR101646759B1 (ko) * | 2008-02-28 | 2016-08-08 | 애플 인크. | 무선 통신 시그널링에 적용되는 코딩을 식별하는 정보를 포함하는 피드백 데이터 구조체의 통신 |
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KR101521883B1 (ko) * | 2008-04-30 | 2015-05-20 | 삼성전자주식회사 | 코드북 기반 폐루프 다중 안테나 시스템에서 송수신 장치및 방법 |
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KR101707680B1 (ko) * | 2008-12-21 | 2017-02-17 | 엘지전자 주식회사 | 무선 통신 시스템에서 정보 전송 장치 및 방법 |
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JP2016500942A (ja) * | 2012-09-28 | 2016-01-14 | インターデイジタル パテント ホールディングス インコ | WiFiビームフォーミング、フィードバックおよびサウンディング(WiBEAM)のための方法 |
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CN105099604B (zh) * | 2014-05-07 | 2018-11-20 | 中兴通讯股份有限公司 | 信道状态反馈信息反馈方法、终端、基站及通信系统 |
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CN107359918A (zh) * | 2016-05-10 | 2017-11-17 | 北京信威通信技术股份有限公司 | 一种生成预编码码本的方法和系统 |
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2008
- 2008-04-01 US US12/060,301 patent/US8107544B2/en not_active Expired - Fee Related
- 2008-05-01 EP EP08747338A patent/EP2158694B1/en active Active
- 2008-05-01 CN CN200880016233.3A patent/CN101682379B/zh active Active
- 2008-05-01 JP JP2010508488A patent/JP2010527562A/ja active Pending
- 2008-05-01 WO PCT/US2008/062211 patent/WO2008144189A2/en active Application Filing
- 2008-05-16 TW TW097118216A patent/TWI436609B/zh not_active IP Right Cessation
-
2011
- 2011-11-22 US US13/301,953 patent/US8406328B2/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1838559A (zh) * | 2005-03-24 | 2006-09-27 | 中国科学技术大学 | 一种接收机辅助的波束成型方法 |
Also Published As
Publication number | Publication date |
---|---|
WO2008144189A3 (en) | 2009-01-22 |
CN101682379A (zh) | 2010-03-24 |
EP2158694B1 (en) | 2013-01-02 |
US20080285667A1 (en) | 2008-11-20 |
WO2008144189A4 (en) | 2009-03-12 |
US20120069925A1 (en) | 2012-03-22 |
US8107544B2 (en) | 2012-01-31 |
WO2008144189A2 (en) | 2008-11-27 |
TW200915756A (en) | 2009-04-01 |
JP2010527562A (ja) | 2010-08-12 |
US8406328B2 (en) | 2013-03-26 |
EP2158694A2 (en) | 2010-03-03 |
TWI436609B (zh) | 2014-05-01 |
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