CN101340219A - 信道状态信息反馈方法及无线收发装置 - Google Patents
信道状态信息反馈方法及无线收发装置 Download PDFInfo
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- CN101340219A CN101340219A CNA2007100434212A CN200710043421A CN101340219A CN 101340219 A CN101340219 A CN 101340219A CN A2007100434212 A CNA2007100434212 A CN A2007100434212A CN 200710043421 A CN200710043421 A CN 200710043421A CN 101340219 A CN101340219 A CN 101340219A
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- coding matrix
- code book
- matrix
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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
- H04B7/06—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
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- 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
-
- 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0025—Transmission of mode-switching indication
Abstract
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Claims (13)
Priority Applications (2)
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CN200710043421A CN101340219B (zh) | 2007-07-04 | 2007-07-04 | 信道状态信息反馈方法及无线收发装置 |
PCT/CN2008/071552 WO2009003423A1 (fr) | 2007-07-04 | 2008-07-04 | Procédé pour un renvoi d'information d'état de canal et émetteur-récepteur sans fil |
Applications Claiming Priority (1)
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CN200710043421A CN101340219B (zh) | 2007-07-04 | 2007-07-04 | 信道状态信息反馈方法及无线收发装置 |
Publications (2)
Publication Number | Publication Date |
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CN101340219A true CN101340219A (zh) | 2009-01-07 |
CN101340219B CN101340219B (zh) | 2012-10-03 |
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CN200710043421A Expired - Fee Related CN101340219B (zh) | 2007-07-04 | 2007-07-04 | 信道状态信息反馈方法及无线收发装置 |
Country Status (2)
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CN (1) | CN101340219B (zh) |
WO (1) | WO2009003423A1 (zh) |
Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010069242A1 (en) * | 2008-12-15 | 2010-06-24 | Huawei Technologies Co., Ltd. | Method for employing six-bit rank 1 and 2 codebooks for four transmit antennas |
CN101789818A (zh) * | 2009-01-23 | 2010-07-28 | 雷凌科技股份有限公司 | 用于无线通信系统中波束形成的系统和方法 |
CN101820335A (zh) * | 2010-05-07 | 2010-09-01 | 中兴通讯股份有限公司 | 一种使用二级码字反馈信道状态信息的终端及方法 |
CN101826951A (zh) * | 2010-05-05 | 2010-09-08 | 中兴通讯股份有限公司 | 反馈信道状态信息的方法及装置 |
CN101860388A (zh) * | 2009-04-02 | 2010-10-13 | 三星电子株式会社 | 确定低复杂度的最佳整数扰动向量的装置和方法 |
WO2010121546A1 (en) * | 2009-04-21 | 2010-10-28 | Huawei Technologies Co., Ltd. | System and method for precoding codebook adaptation with low feedback overhead |
WO2010145548A1 (en) * | 2009-06-17 | 2010-12-23 | Huawei Technologies Co., Ltd. | Channel state information feedback for coordinated multiple points transmission |
WO2011012090A1 (zh) * | 2009-07-30 | 2011-02-03 | 华为技术有限公司 | 一种协作通信的方法和系统、基站及移动终端装置 |
WO2011038697A1 (zh) * | 2009-09-30 | 2011-04-07 | 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 |
CN102130751A (zh) * | 2010-01-20 | 2011-07-20 | 电信科学技术研究院 | 一种多天线系统发送/接收信息的方法、系统及装置 |
WO2011085545A1 (zh) * | 2010-01-13 | 2011-07-21 | 上海贝尔股份有限公司 | 在网络设备中生成反馈码书的方法及装置 |
CN102318224A (zh) * | 2009-02-13 | 2012-01-11 | Lg电子株式会社 | 在4-Tx系统中的上行链路预编码方法 |
CN102412939A (zh) * | 2010-09-21 | 2012-04-11 | 普天信息技术研究院有限公司 | 一种采用双码本进行信道信息反馈的方法和系统 |
CN101656560B (zh) * | 2009-09-24 | 2012-09-26 | 北京理工大学 | 一种高效频谱利用率的协作通信方法 |
CN102771073A (zh) * | 2010-04-29 | 2012-11-07 | 富士通株式会社 | 生成码书的方法和装置及使用该码书的通信系统、移动台、基站和通信方法 |
CN102891739A (zh) * | 2011-07-19 | 2013-01-23 | 中兴通讯股份有限公司 | 一种基于码本的多点协作预编码实现方法和装置 |
CN102938687A (zh) * | 2011-08-15 | 2013-02-20 | 华为技术有限公司 | 上行预编码信息发送方法、预编码方法、基站及终端 |
CN103858367A (zh) * | 2011-10-06 | 2014-06-11 | 三星电子株式会社 | 用于在通信系统中产生反馈的方法和设备 |
CN103944677A (zh) * | 2014-04-15 | 2014-07-23 | 电子科技大学 | 一种多天线量化预编码的码本设计方法 |
CN104283634A (zh) * | 2013-07-08 | 2015-01-14 | 中兴通讯股份有限公司 | 一种数据的发送方法、接收方法、系统及装置 |
CN105684336A (zh) * | 2014-09-26 | 2016-06-15 | 华为技术有限公司 | 信道测量方法和装置 |
CN107070510A (zh) * | 2013-09-10 | 2017-08-18 | 英特尔Ip公司 | 确定通信的传输方向的方法、确定通信的预编码矩阵的方法和被配置成执行所述方法的设备 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11115097B2 (en) | 2017-02-02 | 2021-09-07 | Nokia Technologies Oy | Adaptive explicit CSI feedback and overhead reduction |
US11483053B2 (en) | 2018-06-01 | 2022-10-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Approaches for beam selection |
WO2020108777A1 (en) | 2018-11-30 | 2020-06-04 | Telefonaktiebolaget Lm Ericsson (Publ) | Approaches for beam selection |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050286663A1 (en) * | 2004-06-23 | 2005-12-29 | Intel Corporation | Compact feedback for closed loop MIMO systems |
US8385433B2 (en) * | 2005-10-27 | 2013-02-26 | Qualcomm Incorporated | Linear precoding for spatially correlated channels |
KR100659725B1 (ko) * | 2005-12-09 | 2006-12-19 | 한국전자통신연구원 | 다중 안테나 시스템의 송신 장치 및 방법과, 수신 장치 및방법 |
-
2007
- 2007-07-04 CN CN200710043421A patent/CN101340219B/zh not_active Expired - Fee Related
-
2008
- 2008-07-04 WO PCT/CN2008/071552 patent/WO2009003423A1/zh active Application Filing
Cited By (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010069242A1 (en) * | 2008-12-15 | 2010-06-24 | Huawei Technologies Co., Ltd. | Method for employing six-bit rank 1 and 2 codebooks for four transmit antennas |
US8565064B2 (en) | 2008-12-15 | 2013-10-22 | Futurewei Technologies, Inc. | System and method for employing six-bit rank 1 and 2 codebooks for four transmit antennas |
US8208458B2 (en) | 2008-12-15 | 2012-06-26 | Futurewei Technologies, Inc. | System and method for employing six-bit rank 1 and 2 codebooks for four transmit antennas |
CN101789818A (zh) * | 2009-01-23 | 2010-07-28 | 雷凌科技股份有限公司 | 用于无线通信系统中波束形成的系统和方法 |
US8526538B2 (en) | 2009-02-13 | 2013-09-03 | Lg Electronics Inc. | Uplink precoding method in 4-Tx system |
CN102318224A (zh) * | 2009-02-13 | 2012-01-11 | Lg电子株式会社 | 在4-Tx系统中的上行链路预编码方法 |
CN102318224B (zh) * | 2009-02-13 | 2014-03-19 | Lg电子株式会社 | 在4-Tx系统中的上行链路预编码方法 |
CN101860388A (zh) * | 2009-04-02 | 2010-10-13 | 三星电子株式会社 | 确定低复杂度的最佳整数扰动向量的装置和方法 |
CN101860388B (zh) * | 2009-04-02 | 2015-04-01 | 三星电子株式会社 | 确定低复杂度的最佳整数扰动向量的装置和方法 |
WO2010121546A1 (en) * | 2009-04-21 | 2010-10-28 | Huawei Technologies Co., Ltd. | System and method for precoding codebook adaptation with low feedback overhead |
WO2010145548A1 (en) * | 2009-06-17 | 2010-12-23 | Huawei Technologies Co., Ltd. | Channel state information feedback for coordinated multiple points transmission |
US8600308B2 (en) | 2009-06-17 | 2013-12-03 | Futurewei Technologies, Inc. | Channel state information feedback for coordinated multiple points transmission |
CN102804662B (zh) * | 2009-06-17 | 2015-01-21 | 华为技术有限公司 | 协调多点传输的信道状态信息反馈 |
CN102804662A (zh) * | 2009-06-17 | 2012-11-28 | 华为技术有限公司 | 协调多点传输的信道状态信息反馈 |
CN101989867B (zh) * | 2009-07-30 | 2014-05-07 | 华为技术有限公司 | 一种协作通信的方法和系统、基站及移动终端装置 |
WO2011012090A1 (zh) * | 2009-07-30 | 2011-02-03 | 华为技术有限公司 | 一种协作通信的方法和系统、基站及移动终端装置 |
CN101656560B (zh) * | 2009-09-24 | 2012-09-26 | 北京理工大学 | 一种高效频谱利用率的协作通信方法 |
WO2011038697A1 (zh) * | 2009-09-30 | 2011-04-07 | 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 |
US8553799B2 (en) | 2009-09-30 | 2013-10-08 | Huawei Technologies Co., Ltd. | Method and apparatus for obtaining precoding matrix indicator |
WO2011085545A1 (zh) * | 2010-01-13 | 2011-07-21 | 上海贝尔股份有限公司 | 在网络设备中生成反馈码书的方法及装置 |
CN102130751B (zh) * | 2010-01-20 | 2013-06-12 | 电信科学技术研究院 | 一种多天线系统发送/接收信息的方法、系统及装置 |
CN102130751A (zh) * | 2010-01-20 | 2011-07-20 | 电信科学技术研究院 | 一种多天线系统发送/接收信息的方法、系统及装置 |
CN102771073A (zh) * | 2010-04-29 | 2012-11-07 | 富士通株式会社 | 生成码书的方法和装置及使用该码书的通信系统、移动台、基站和通信方法 |
CN101826951A (zh) * | 2010-05-05 | 2010-09-08 | 中兴通讯股份有限公司 | 反馈信道状态信息的方法及装置 |
WO2011137633A1 (zh) * | 2010-05-05 | 2011-11-10 | 中兴通讯股份有限公司 | 反馈信道状态信息的方法及装置 |
CN101826951B (zh) * | 2010-05-05 | 2016-03-30 | 中兴通讯股份有限公司 | 反馈信道状态信息的方法及装置 |
CN101820335A (zh) * | 2010-05-07 | 2010-09-01 | 中兴通讯股份有限公司 | 一种使用二级码字反馈信道状态信息的终端及方法 |
CN101820335B (zh) * | 2010-05-07 | 2015-12-16 | 中兴通讯股份有限公司 | 一种使用二级码字反馈信道状态信息的方法 |
CN102412939A (zh) * | 2010-09-21 | 2012-04-11 | 普天信息技术研究院有限公司 | 一种采用双码本进行信道信息反馈的方法和系统 |
CN102891739A (zh) * | 2011-07-19 | 2013-01-23 | 中兴通讯股份有限公司 | 一种基于码本的多点协作预编码实现方法和装置 |
CN102938687A (zh) * | 2011-08-15 | 2013-02-20 | 华为技术有限公司 | 上行预编码信息发送方法、预编码方法、基站及终端 |
CN103858367B (zh) * | 2011-10-06 | 2017-04-12 | 三星电子株式会社 | 用于在通信系统中产生反馈的方法和设备 |
CN103858367A (zh) * | 2011-10-06 | 2014-06-11 | 三星电子株式会社 | 用于在通信系统中产生反馈的方法和设备 |
US10263680B2 (en) | 2011-10-06 | 2019-04-16 | Samsung Electronics Co., Ltd | Method and apparatus for generating feedback in a communication system |
CN104283634A (zh) * | 2013-07-08 | 2015-01-14 | 中兴通讯股份有限公司 | 一种数据的发送方法、接收方法、系统及装置 |
CN107070510A (zh) * | 2013-09-10 | 2017-08-18 | 英特尔Ip公司 | 确定通信的传输方向的方法、确定通信的预编码矩阵的方法和被配置成执行所述方法的设备 |
CN107070510B (zh) * | 2013-09-10 | 2020-12-22 | 苹果公司 | 确定通信的预编码矩阵的方法和被配置成执行所述方法的设备 |
CN103944677A (zh) * | 2014-04-15 | 2014-07-23 | 电子科技大学 | 一种多天线量化预编码的码本设计方法 |
CN105684336A (zh) * | 2014-09-26 | 2016-06-15 | 华为技术有限公司 | 信道测量方法和装置 |
CN105684336B (zh) * | 2014-09-26 | 2019-07-19 | 华为技术有限公司 | 信道测量方法和装置 |
Also Published As
Publication number | Publication date |
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CN101340219B (zh) | 2012-10-03 |
WO2009003423A1 (fr) | 2009-01-08 |
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