JP6267688B2 - マルチアンテナ無線通信システムにおける復調パイロットを送信する方法及び装置 - Google Patents

マルチアンテナ無線通信システムにおける復調パイロットを送信する方法及び装置 Download PDF

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JP6267688B2
JP6267688B2 JP2015511418A JP2015511418A JP6267688B2 JP 6267688 B2 JP6267688 B2 JP 6267688B2 JP 2015511418 A JP2015511418 A JP 2015511418A JP 2015511418 A JP2015511418 A JP 2015511418A JP 6267688 B2 JP6267688 B2 JP 6267688B2
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node
receiving node
transmitting
common pilot
geometry
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JP2015525489A (ja
JP2015525489A5 (enExample
Inventor
サイラメシュ ナンミ，
サイラメシュ ナンミ，
Original Assignee
テレフオンアクチーボラゲット エルエム エリクソン（パブル）
テレフオンアクチーボラゲット エルエム エリクソン（パブル）
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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
    • H04B7/046—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
    • H04B7/0413—MIMO 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
    • H04B7/0417—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
    • H04B7/0417—Feedback systems
    • H04B7/0421—Feedback systems utilizing implicit feedback, e.g. steered pilot signals
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • 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
    • H04L25/0204—Channel estimation of multiple 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
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
JP2015511418A 2012-05-11 2013-05-08 マルチアンテナ無線通信システムにおける復調パイロットを送信する方法及び装置 Expired - Fee Related JP6267688B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261646066P 2012-05-11 2012-05-11
US61/646,066 2012-05-11
PCT/SE2013/050525 WO2013169201A2 (en) 2012-05-11 2013-05-08 Method and apparatus for transmitting demodulation pilots in a multi antenna wireless communication system

Publications (3)

Publication Number Publication Date
JP2015525489A JP2015525489A (ja) 2015-09-03
JP2015525489A5 JP2015525489A5 (enExample) 2016-06-09
JP6267688B2 true JP6267688B2 (ja) 2018-01-24

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2015511418A Expired - Fee Related JP6267688B2 (ja) 2012-05-11 2013-05-08 マルチアンテナ無線通信システムにおける復調パイロットを送信する方法及び装置

Country Status (5)

Country Link
US (1) US9401751B2 (enExample)
EP (1) EP2742609A2 (enExample)
JP (1) JP6267688B2 (enExample)
CN (1) CN104380615B (enExample)
WO (1) WO2013169201A2 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8885590B2 (en) 2012-05-18 2014-11-11 Futurewei Technologies, Inc. Systems and methods for scheduling multiple-input and multiple-output (MIMO) high-speed downlink packet access (HSDPA) pilot channels
US9674002B2 (en) 2012-10-09 2017-06-06 Telefonaktiebolaget Lm Ericsson (Publ) Channel estimation in a multi-antenna wireless communications system
US9673948B2 (en) * 2014-10-29 2017-06-06 Qualcomm Incorporated Hybrid pilot design for low latency communication

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5852630A (en) * 1997-07-17 1998-12-22 Globespan Semiconductor, Inc. Method and apparatus for a RADSL transceiver warm start activation procedure with precoding
US6748024B2 (en) * 2001-03-28 2004-06-08 Nokia Corporation Non-zero complex weighted space-time code for multiple antenna transmission
RU2276463C2 (ru) * 2001-03-28 2006-05-10 Нокиа Корпорейшн Пространственно-временной код с ненулевым комплексным взвешиванием для передачи множеством антенн
FI20010874L (fi) * 2001-04-26 2002-10-27 Nokia Corp Tiedonsiirtomenetelmä ja -laitteisto
US20050180377A1 (en) * 2002-09-06 2005-08-18 Mitsubishi Denki Kabushiki Kaisha Radio communication system time slot allocation method
US8000221B2 (en) * 2004-07-20 2011-08-16 Qualcomm, Incorporated Adaptive pilot insertion for a MIMO-OFDM system
US7672383B2 (en) 2004-09-17 2010-03-02 Qualcomm Incorporated Noise variance estimation in wireless communications for diversity combining and log-likelihood scaling
WO2006082637A1 (ja) * 2005-02-03 2006-08-10 Fujitsu Limited 無線通信システムおよび無線通信方法
US8428156B2 (en) 2006-03-20 2013-04-23 Qualcomm Incorporated Rate control for multi-channel communication systems
WO2010084828A1 (ja) * 2009-01-26 2010-07-29 シャープ株式会社 通信制御装置、通信端末装置および無線通信システム
EP2430769B1 (en) * 2009-03-16 2017-09-13 BlackBerry Limited Transmission using common and dedicated pilots
CN102035777B (zh) 2009-09-24 2014-03-12 中兴通讯股份有限公司 解调导频的处理方法和系统、配置方法、基站、用户设备
CN102215083B (zh) 2010-04-08 2014-07-02 中国移动通信集团公司 一种无线通信方法、系统和设备
IN2014KN01764A (enExample) * 2012-01-30 2015-10-23 Ericsson Telefon Ab L M

Also Published As

Publication number Publication date
CN104380615A (zh) 2015-02-25
WO2013169201A2 (en) 2013-11-14
JP2015525489A (ja) 2015-09-03
CN104380615B (zh) 2017-09-22
US20140079148A1 (en) 2014-03-20
WO2013169201A3 (en) 2014-01-03
EP2742609A2 (en) 2014-06-18
US9401751B2 (en) 2016-07-26

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