CN101641894A - 用于在正交频分复用通信系统中提供信道质量和预编码度量反馈的方法和装置 - Google Patents
用于在正交频分复用通信系统中提供信道质量和预编码度量反馈的方法和装置 Download PDFInfo
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- CN101641894A CN101641894A CN200880009016.1A CN200880009016A CN101641894A CN 101641894 A CN101641894 A CN 101641894A CN 200880009016 A CN200880009016 A CN 200880009016A CN 101641894 A CN101641894 A CN 101641894A
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- channel quality
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- quality information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2626—Arrangements specific to the transmitter only
- H04L27/2646—Arrangements specific to the transmitter only using feedback from receiver for adjusting OFDM transmission parameters, e.g. transmission timing or guard interval length
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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
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
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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
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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]
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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
- 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]
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- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
- H04L2025/03375—Passband transmission
- H04L2025/03414—Multicarrier
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- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
- H04L2025/03426—Arrangements for removing intersymbol interference characterised by the type of transmission transmission using multiple-input and multiple-output 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03343—Arrangements at the transmitter end
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/02—Channels characterised by the type of signal
- H04L5/023—Multiplexing of multicarrier modulation signals
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
Abstract
Description
Claims (15)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US89585107P | 2007-03-20 | 2007-03-20 | |
US60/895,851 | 2007-03-20 | ||
US12/045,094 | 2008-03-10 | ||
US12/045,094 US8831116B2 (en) | 2007-03-20 | 2008-03-10 | Method and apparatus for providing channel quality and precoding metric feedback in an orthogonal frequency division multiplexing communication system |
PCT/US2008/056946 WO2008115772A1 (en) | 2007-03-20 | 2008-03-14 | Method and apparatus for providing channel quality and precoding metric feedback in an orthogonal frequency division multiplexing communication system |
Publications (2)
Publication Number | Publication Date |
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CN101641894A true CN101641894A (zh) | 2010-02-03 |
CN101641894B CN101641894B (zh) | 2013-11-06 |
Family
ID=39598193
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200880009016.1A Active CN101641894B (zh) | 2007-03-20 | 2008-03-14 | 用于在正交频分复用通信系统中提供信道质量和预编码度量反馈的方法和装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8831116B2 (zh) |
EP (1) | EP2137858B1 (zh) |
JP (1) | JP5130592B2 (zh) |
KR (1) | KR101084427B1 (zh) |
CN (1) | CN101641894B (zh) |
WO (1) | WO2008115772A1 (zh) |
Cited By (8)
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CN102369664A (zh) * | 2009-04-01 | 2012-03-07 | 尤比戴尼有限公司 | 用于中继无线电信号的无线电系统和方法 |
CN102771098A (zh) * | 2010-02-10 | 2012-11-07 | 爱立信(中国)通信有限公司 | 电信系统中的方法和装置 |
CN102792610A (zh) * | 2010-02-17 | 2012-11-21 | 爱立信(中国)通信有限公司 | 用于调节参考信号的功率的方法和设备 |
CN103444115A (zh) * | 2010-11-05 | 2013-12-11 | 英特尔公司 | 用于以减小的量化误差进行预编码的增强节点b和方法 |
CN106416400A (zh) * | 2014-05-28 | 2017-02-15 | 诺基亚通信公司 | 方法、装置和系统 |
CN108476109A (zh) * | 2015-12-28 | 2018-08-31 | 高通股份有限公司 | 用于在低等待时间无线通信中分配资源的技术 |
CN108882266A (zh) * | 2017-05-12 | 2018-11-23 | 维沃移动通信有限公司 | 无线资源管理rrm测量方法、网络侧设备及终端 |
CN111342871A (zh) * | 2014-01-28 | 2020-06-26 | 富士通互联科技有限公司 | 基站设备、用户设备和通信系统 |
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JP4889532B2 (ja) * | 2007-03-20 | 2012-03-07 | 株式会社エヌ・ティ・ティ・ドコモ | 移動通信システムにおける基地局装置及び方法 |
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KR20090110882A (ko) | 2009-10-22 |
EP2137858B1 (en) | 2018-11-28 |
KR101084427B1 (ko) | 2011-11-21 |
US20080232492A1 (en) | 2008-09-25 |
WO2008115772A1 (en) | 2008-09-25 |
US8831116B2 (en) | 2014-09-09 |
CN101641894B (zh) | 2013-11-06 |
EP2137858A1 (en) | 2009-12-30 |
JP5130592B2 (ja) | 2013-01-30 |
JP2010519874A (ja) | 2010-06-03 |
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