JP5438829B2 - プリコーディング方法、チャンネル情報フィードバック方法、発信部、受信部、及びプリコーディングコードブックの構造方法 - Google Patents

プリコーディング方法、チャンネル情報フィードバック方法、発信部、受信部、及びプリコーディングコードブックの構造方法 Download PDF

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JP5438829B2
JP5438829B2 JP2012524093A JP2012524093A JP5438829B2 JP 5438829 B2 JP5438829 B2 JP 5438829B2 JP 2012524093 A JP2012524093 A JP 2012524093A JP 2012524093 A JP2012524093 A JP 2012524093A JP 5438829 B2 JP5438829 B2 JP 5438829B2
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JP2013502111A (ja
JP2013502111A5 (https=
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陳芸▲じぇん▼
郁光輝
戴博
楊▲しゅん▼
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ZTE Corp
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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
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/0486—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking channel rank into account
    • 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
    • H04L1/0028—Formatting
    • H04L1/0029—Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling
    • 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
    • H04B7/0473—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking constraints in layer or codeword to antenna mapping 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
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • 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
    • 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
    • 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
    • H04L25/03891—Spatial equalizers
    • H04L25/03898—Spatial equalizers codebook-based design
    • H04L25/0391—Spatial equalizers codebook-based design construction details of matrices
    • H04L25/03923—Spatial equalizers codebook-based design construction details of matrices according to the rank

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Power Engineering (AREA)
  • Quality & Reliability (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2012524093A 2009-08-10 2010-06-30 プリコーディング方法、チャンネル情報フィードバック方法、発信部、受信部、及びプリコーディングコードブックの構造方法 Active JP5438829B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN200910163676.1A CN101631004B (zh) 2009-08-10 2009-08-10 一种预编码方法、系统及预编码码本的构造方法
CN200910163676.1 2009-08-10
PCT/CN2010/074847 WO2011017991A1 (zh) 2009-08-10 2010-06-30 一种预编码方法、系统及预编码码本的构造方法

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JP2013502111A JP2013502111A (ja) 2013-01-17
JP2013502111A5 JP2013502111A5 (https=) 2013-10-17
JP5438829B2 true JP5438829B2 (ja) 2014-03-12

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US (1) US8483306B2 (https=)
EP (1) EP2466835B1 (https=)
JP (1) JP5438829B2 (https=)
KR (1) KR101317136B1 (https=)
CN (1) CN101631004B (https=)
BR (1) BR112012002928B1 (https=)
MX (1) MX2012001788A (https=)
RU (1) RU2475982C1 (https=)
WO (1) WO2011017991A1 (https=)

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BR112012002928A2 (pt) 2017-10-24
BR112012002928B1 (pt) 2021-06-01
US8483306B2 (en) 2013-07-09
KR101317136B1 (ko) 2013-10-08
JP2013502111A (ja) 2013-01-17
US20120134434A1 (en) 2012-05-31
EP2466835A1 (en) 2012-06-20
WO2011017991A1 (zh) 2011-02-17
RU2475982C1 (ru) 2013-02-20
CN101631004A (zh) 2010-01-20
CN101631004B (zh) 2014-05-28
MX2012001788A (es) 2012-02-29
EP2466835B1 (en) 2016-06-29
EP2466835A4 (en) 2013-07-10
KR20120045045A (ko) 2012-05-08

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