CN102668434B - 用于电信中的预编码的多粒度反馈报告和反馈处理方法、网络及设备 - Google Patents

用于电信中的预编码的多粒度反馈报告和反馈处理方法、网络及设备 Download PDF

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Publication number
CN102668434B
CN102668434B CN201080054705.1A CN201080054705A CN102668434B CN 102668434 B CN102668434 B CN 102668434B CN 201080054705 A CN201080054705 A CN 201080054705A CN 102668434 B CN102668434 B CN 102668434B
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matrix
precoder
feedback signal
channel
multipart
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Chinese (zh)
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CN102668434A (zh
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G.荣格伦
M.I.拉曼
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Telefonaktiebolaget LM Ericsson AB
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Telefonaktiebolaget LM Ericsson AB
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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
    • H04L1/0028—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
    • H04B7/0417—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
    • H04B7/0469—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking special antenna structures, e.g. cross polarized antennas 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
    • H04B7/0634—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
    • H04B7/0645—Variable feedback
    • H04B7/065—Variable contents, e.g. long-term or short-short
    • 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
    • H04L1/0618—Space-time coding
    • H04L1/0675—Space-time coding characterised by the signaling
    • H04L1/0693—Partial feedback, e.g. partial channel state information [CSI]

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
CN201080054705.1A 2009-10-01 2010-09-30 用于电信中的预编码的多粒度反馈报告和反馈处理方法、网络及设备 Expired - Fee Related CN102668434B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510782315.0A CN105306121B (zh) 2009-10-01 2010-09-30 用于电信中的预编码的多粒度反馈报告和反馈处理

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US24758909P 2009-10-01 2009-10-01
US61/247,589 2009-10-01
US61/247589 2009-10-01
US12/817476 2010-06-17
US12/817,476 US9667378B2 (en) 2009-10-01 2010-06-17 Multi-granular feedback reporting and feedback processing for precoding in telecommunications
US12/817,476 2010-06-17
PCT/IB2010/054424 WO2011039725A1 (en) 2009-10-01 2010-09-30 Multi-granular feedback reporting and feedback processing for precoding in telecommunications

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CN102668434B true CN102668434B (zh) 2015-12-02

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CN201510782315.0A Expired - Fee Related CN105306121B (zh) 2009-10-01 2010-09-30 用于电信中的预编码的多粒度反馈报告和反馈处理

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US (1) US9667378B2 (https=)
EP (2) EP2494730B1 (https=)
CN (2) CN102668434B (https=)
IN (1) IN2012DN02810A (https=)
NZ (1) NZ599191A (https=)
RU (1) RU2565001C2 (https=)
TW (1) TWI535236B (https=)
WO (1) WO2011039725A1 (https=)

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US9667378B2 (en) 2017-05-30
CN105306121B (zh) 2019-05-21
RU2012117734A (ru) 2013-11-20
CN105306121A (zh) 2016-02-03
IN2012DN02810A (https=) 2015-07-24
CN102668434A (zh) 2012-09-12
TWI535236B (zh) 2016-05-21
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