JP5579745B2 - 多重記述符号を使用するチャネル推定のための方法および装置 - Google Patents

多重記述符号を使用するチャネル推定のための方法および装置 Download PDF

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Publication number
JP5579745B2
JP5579745B2 JP2011545352A JP2011545352A JP5579745B2 JP 5579745 B2 JP5579745 B2 JP 5579745B2 JP 2011545352 A JP2011545352 A JP 2011545352A JP 2011545352 A JP2011545352 A JP 2011545352A JP 5579745 B2 JP5579745 B2 JP 5579745B2
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channel
vector
station
channel vector
vectors
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Japanese (ja)
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JP2012514937A (ja
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マリック、シッダルサ
ゴロコブ、アレクセイ・ワイ．
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Qualcomm Inc
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Qualcomm Inc
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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
    • H04L1/0033—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the transmitter
    • H04L1/0035—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the transmitter evaluation of received explicit signalling
    • 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
    • H04B7/06—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
    • 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
    • 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
    • H04L25/0202—Channel estimation
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
    • 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
    • H04L25/0202—Channel estimation
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/0256—Channel estimation using minimum mean square error criteria
    • 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

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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)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2011545352A 2009-01-06 2009-11-29 多重記述符号を使用するチャネル推定のための方法および装置 Expired - Fee Related JP5579745B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US14282609P 2009-01-06 2009-01-06
US61/142,826 2009-01-06
US12/620,141 US8787183B2 (en) 2009-01-06 2009-11-17 Method and apparatus for channel estimation using multiple description codes
US12/620,141 2009-11-17
PCT/US2009/066031 WO2010080231A1 (en) 2009-01-06 2009-11-29 Method and apparatus for channel estimation using multiple description codes

Related Child Applications (1)

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JP2014095466A Division JP2014195268A (ja) 2009-01-06 2014-05-02 多重記述符号を使用するチャネル推定のための方法および装置

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JP2012514937A JP2012514937A (ja) 2012-06-28
JP5579745B2 true JP5579745B2 (ja) 2014-08-27

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JP2011545352A Expired - Fee Related JP5579745B2 (ja) 2009-01-06 2009-11-29 多重記述符号を使用するチャネル推定のための方法および装置
JP2014095466A Pending JP2014195268A (ja) 2009-01-06 2014-05-02 多重記述符号を使用するチャネル推定のための方法および装置

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US (1) US8787183B2 (enExample)
EP (2) EP2618530B1 (enExample)
JP (2) JP5579745B2 (enExample)
KR (2) KR20110102505A (enExample)
CN (1) CN102273154B (enExample)
BR (1) BRPI0924222B1 (enExample)
TW (1) TWI431987B (enExample)
WO (1) WO2010080231A1 (enExample)

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Also Published As

Publication number Publication date
BRPI0924222A2 (pt) 2018-05-22
KR101490209B1 (ko) 2015-02-05
JP2014195268A (ja) 2014-10-09
CN102273154A (zh) 2011-12-07
EP2386162A1 (en) 2011-11-16
CN102273154B (zh) 2015-04-15
EP2386162B1 (en) 2016-09-21
EP2618530B1 (en) 2018-03-14
EP2618530A1 (en) 2013-07-24
TWI431987B (zh) 2014-03-21
JP2012514937A (ja) 2012-06-28
US20100172256A1 (en) 2010-07-08
US8787183B2 (en) 2014-07-22
WO2010080231A1 (en) 2010-07-15
BRPI0924222B1 (pt) 2021-01-12
KR20130113523A (ko) 2013-10-15
KR20110102505A (ko) 2011-09-16
TW201108676A (en) 2011-03-01

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