CN104380615B - 用于在多天线无线通信系统中传输解调导频的方法和装置 - Google Patents

用于在多天线无线通信系统中传输解调导频的方法和装置 Download PDF

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Publication number
CN104380615B
CN104380615B CN201380024566.1A CN201380024566A CN104380615B CN 104380615 B CN104380615 B CN 104380615B CN 201380024566 A CN201380024566 A CN 201380024566A CN 104380615 B CN104380615 B CN 104380615B
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CN
China
Prior art keywords
node
common pilot
receiving node
pilot signal
transmission
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201380024566.1A
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English (en)
Chinese (zh)
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CN104380615A (zh
Inventor
S·纳米
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
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Telefonaktiebolaget LM Ericsson AB
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Publication of CN104380615A publication Critical patent/CN104380615A/zh
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Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
CN201380024566.1A 2012-05-11 2013-05-08 用于在多天线无线通信系统中传输解调导频的方法和装置 Expired - Fee Related CN104380615B (zh)

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 (2)

Publication Number Publication Date
CN104380615A CN104380615A (zh) 2015-02-25
CN104380615B true CN104380615B (zh) 2017-09-22

Family

ID=48577210

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201380024566.1A Expired - Fee Related CN104380615B (zh) 2012-05-11 2013-05-08 用于在多天线无线通信系统中传输解调导频的方法和装置

Country Status (5)

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

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
WO2014058375A2 (en) * 2012-10-09 2014-04-17 Telefonaktiebolaget L M 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

Citations (4)

* 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
CN1509528A (zh) * 2001-04-26 2004-06-30 ��˹��ŵ�� 数据传输方法与设备
CN1611047A (zh) * 2001-03-28 2005-04-27 诺基亚有限公司 用于多重天线传输的非零复数加权时空编码
CN102035777A (zh) * 2009-09-24 2011-04-27 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

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6748024B2 (en) * 2001-03-28 2004-06-08 Nokia Corporation Non-zero complex weighted space-time code for multiple antenna transmission
EP1536657A1 (en) * 2002-09-06 2005-06-01 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
EP1845636A4 (en) * 2005-02-03 2012-03-14 Fujitsu Ltd WIRELESS COMMUNICATION SYSTEM AND WIRELESS COMMUNICATION PROCESS
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
CA2755574C (en) * 2009-03-16 2017-09-12 Rockstar Bidco, LP Transmission using common and dedicated pilots
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
EP2742641B1 (en) * 2012-01-30 2016-01-20 Telefonaktiebolaget L M Ericsson (publ) Method, apparatus, and computer programme for transmitting common and demodulation pilot signals in multi-antenna wireless communications

Patent Citations (4)

* 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
CN1611047A (zh) * 2001-03-28 2005-04-27 诺基亚有限公司 用于多重天线传输的非零复数加权时空编码
CN1509528A (zh) * 2001-04-26 2004-06-30 ��˹��ŵ�� 数据传输方法与设备
CN102035777A (zh) * 2009-09-24 2011-04-27 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

Also Published As

Publication number Publication date
CN104380615A (zh) 2015-02-25
JP2015525489A (ja) 2015-09-03
US20140079148A1 (en) 2014-03-20
WO2013169201A2 (en) 2013-11-14
WO2013169201A3 (en) 2014-01-03
US9401751B2 (en) 2016-07-26
EP2742609A2 (en) 2014-06-18
JP6267688B2 (ja) 2018-01-24

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Granted publication date: 20170922

Termination date: 20210508