CN102084602B - 在多输入多输出系统中发送信道质量信息的方法 - Google Patents
在多输入多输出系统中发送信道质量信息的方法 Download PDFInfo
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- CN102084602B CN102084602B CN200880112054.XA CN200880112054A CN102084602B CN 102084602 B CN102084602 B CN 102084602B CN 200880112054 A CN200880112054 A CN 200880112054A CN 102084602 B CN102084602 B CN 102084602B
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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
- H04B7/0621—Feedback content
- H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/24—Monitoring; Testing of receivers with feedback of measurements to the transmitter
-
- 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
- H04B7/0417—Feedback systems
- H04B7/0421—Feedback systems utilizing implicit feedback, e.g. steered pilot signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Abstract
Description
CW的CQI值(状态) | 功能 |
0 | 传输受限状态(Tx关闭) |
1 | 调制:QPSK,编码率1/3 |
2 | 调制:QPSK,编码率1/2 |
3 | 调制:QPSK,编码率2/3 |
4 | 调制:16QAM,编码率1/3 |
5 | 调制:16QAM,编码率2/3 |
6 | 调制:64QPSK,编码率1/3 |
7 | 调制:64QPSK,编码率2/3 |
CW的CQI值(状态) | 功能 |
0 | 调制:0和/或编码率:0 |
1 | 调制:QPSK,编码率1/3 |
2 | 调制:QPSK,编码率1/2 |
3 | 调制:QPSK,编码率2/3 |
4 | 调制:16QAM,编码率1/3 |
5 | 调制:16QAM,编码率2/3 |
6 | 调制:64QPSK,编码率1/3 |
7 | 调制:64QPSK,编码率2/3 |
CW1的CQI值(状态) | 功能 | CW2的CQI值(状态) | 功能 |
0 | 调制:QPSK,编码率1/3 | 0 | Tx关闭 |
1 | 调制:QPSK,编码率1/2 | 1 | 调制:QPSK,编码率1/3 |
2 | 调制:QPSK,编码率2/3 | 2 | 调制:QPSK,编码率1/2 |
3 | 调制:16QAM,编码率1/3 | 3 | 调制:QPSK,编码率2/3 |
4 | 调制:16QAM,编码率1/2 | 4 | 调制:16QAM,编码率1/3 |
5 | 调制:16QAM,编码率2/3 | 5 | 调制:16QAM,编码率2/3 |
6 | 调制:64QPSK,编码率2/3 | 6 | 调制:64QPSK,编码率2/3 |
7 | 调制:64QPSK,编码率2/3 | 7 | 调制:64QPSK,编码率2/3 |
Claims (5)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US95638207P | 2007-08-16 | 2007-08-16 | |
US60/956,382 | 2007-08-16 | ||
KR10-2008-0010672 | 2008-02-01 | ||
KR20080010672A KR101507785B1 (ko) | 2007-08-16 | 2008-02-01 | 다중 입출력 시스템에서, 채널품질정보를 송신하는 방법 |
PCT/KR2008/004743 WO2009022873A2 (en) | 2007-08-16 | 2008-08-14 | A method for transmitting channel quality information in a multiple input multiple output system |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102084602A CN102084602A (zh) | 2011-06-01 |
CN102084602B true CN102084602B (zh) | 2014-02-19 |
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Application Number | Title | Priority Date | Filing Date |
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CN200880112054.XA Active CN102084602B (zh) | 2007-08-16 | 2008-08-14 | 在多输入多输出系统中发送信道质量信息的方法 |
Country Status (7)
Country | Link |
---|---|
US (3) | US8761286B2 (zh) |
EP (2) | EP2188912B1 (zh) |
JP (2) | JP5547635B2 (zh) |
KR (1) | KR101507785B1 (zh) |
CN (1) | CN102084602B (zh) |
ES (1) | ES2386593T3 (zh) |
WO (1) | WO2009022873A2 (zh) |
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2008
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CN1797986A (zh) * | 2004-12-22 | 2006-07-05 | 松下电器产业株式会社 | 获得次优信道容量的多天线发送和接收处理方法和装置 |
CN101013917A (zh) * | 2007-01-31 | 2007-08-08 | 中兴通讯股份有限公司 | 一种空间复用多输入多输出系统中发射天线的选择方法 |
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JP2010537471A (ja) | 2010-12-02 |
WO2009022873A2 (en) | 2009-02-19 |
US8964878B2 (en) | 2015-02-24 |
JP5547635B2 (ja) | 2014-07-16 |
CN102084602A (zh) | 2011-06-01 |
JP2013009400A (ja) | 2013-01-10 |
KR20090017963A (ko) | 2009-02-19 |
JP5647195B2 (ja) | 2014-12-24 |
US9148210B2 (en) | 2015-09-29 |
EP2188912B1 (en) | 2012-05-30 |
KR101507785B1 (ko) | 2015-04-03 |
US20130121247A1 (en) | 2013-05-16 |
US8761286B2 (en) | 2014-06-24 |
EP2188912A2 (en) | 2010-05-26 |
WO2009022873A3 (en) | 2009-04-16 |
EP2188912A4 (en) | 2010-07-28 |
EP2475117A1 (en) | 2012-07-11 |
US20150117563A1 (en) | 2015-04-30 |
ES2386593T3 (es) | 2012-08-23 |
US20110080968A1 (en) | 2011-04-07 |
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