CN105306121B - 用于电信中的预编码的多粒度反馈报告和反馈处理 - Google Patents

用于电信中的预编码的多粒度反馈报告和反馈处理 Download PDF

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Publication number
CN105306121B
CN105306121B CN201510782315.0A CN201510782315A CN105306121B CN 105306121 B CN105306121 B CN 105306121B CN 201510782315 A CN201510782315 A CN 201510782315A CN 105306121 B CN105306121 B CN 105306121B
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Prior art keywords
precoder
feedback signal
channel
matrix
matrix structure
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Expired - Fee Related
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CN201510782315.0A
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Chinese (zh)
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CN105306121A (zh
Inventor
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
    • 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
    • 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
    • H04B7/0469—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)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
CN201510782315.0A 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 Expired - Fee Related CN105306121B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US24758909P 2009-10-01 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
CN201080054705.1A CN102668434B (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方法、网络及设备

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CN105306121A CN105306121A (zh) 2016-02-03
CN105306121B true CN105306121B (zh) 2019-05-21

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CN201080054705.1A Expired - Fee Related CN102668434B (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方法、网络及设备

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US (1) US9667378B2 (enExample)
EP (2) EP2494730B1 (enExample)
CN (2) CN105306121B (enExample)
IN (1) IN2012DN02810A (enExample)
NZ (1) NZ599191A (enExample)
RU (1) RU2565001C2 (enExample)
TW (1) TWI535236B (enExample)
WO (1) WO2011039725A1 (enExample)

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IN2012DN02810A (enExample) 2015-07-24
TW201141120A (en) 2011-11-16
TWI535236B (zh) 2016-05-21
EP2942895B1 (en) 2019-11-06
CN102668434B (zh) 2015-12-02
EP2494730B1 (en) 2018-04-25
US9667378B2 (en) 2017-05-30
RU2565001C2 (ru) 2015-10-10
CN102668434A (zh) 2012-09-12
EP2494730A1 (en) 2012-09-05
NZ599191A (en) 2014-04-30
CN105306121A (zh) 2016-02-03
RU2012117734A (ru) 2013-11-20
US20110080969A1 (en) 2011-04-07
EP2942895A1 (en) 2015-11-11
WO2011039725A1 (en) 2011-04-07

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