CN102783069A - 通信系统、发送装置、接收装置 - Google Patents

通信系统、发送装置、接收装置 Download PDF

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Publication number
CN102783069A
CN102783069A CN2011800116110A CN201180011611A CN102783069A CN 102783069 A CN102783069 A CN 102783069A CN 2011800116110 A CN2011800116110 A CN 2011800116110A CN 201180011611 A CN201180011611 A CN 201180011611A CN 102783069 A CN102783069 A CN 102783069A
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CN
China
Prior art keywords
unit
orthogonal
signal
drs
reference signal
Prior art date
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.)
Pending
Application number
CN2011800116110A
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English (en)
Chinese (zh)
Inventor
中野博史
小野寺毅
藤晋平
平田梢
留场宏道
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.)
Sharp Corp
Original Assignee
Sharp Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sharp Corp filed Critical Sharp Corp
Publication of CN102783069A publication Critical patent/CN102783069A/zh
Pending legal-status Critical Current

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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
    • H04B7/0452—Multi-user MIMO systems
    • 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
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [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
    • H04B7/06—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
    • H04B7/0617—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 for beam forming
    • 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
    • H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
    • 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
    • H04B7/0658—Feedback reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • H04J11/0026—Interference mitigation or co-ordination of multi-user interference
    • H04J11/003—Interference mitigation or co-ordination of multi-user interference at the transmitter
    • H04J11/0033—Interference mitigation or co-ordination of multi-user interference at the transmitter by pre-cancellation of known interference, e.g. using a matched filter, dirty paper coder or Thomlinson-Harashima precoder
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Mathematical Physics (AREA)
  • Electromagnetism (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
CN2011800116110A 2010-03-01 2011-01-31 通信系统、发送装置、接收装置 Pending CN102783069A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2010-043830 2010-03-01
JP2010043830A JP5501034B2 (ja) 2010-03-01 2010-03-01 通信システム、送信装置、受信装置
PCT/JP2011/051854 WO2011108319A1 (ja) 2010-03-01 2011-01-31 通信システム、送信装置、受信装置

Publications (1)

Publication Number Publication Date
CN102783069A true CN102783069A (zh) 2012-11-14

Family

ID=44541987

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011800116110A Pending CN102783069A (zh) 2010-03-01 2011-01-31 通信系统、发送装置、接收装置

Country Status (5)

Country Link
US (1) US8897122B2 (enExample)
EP (1) EP2544393A4 (enExample)
JP (1) JP5501034B2 (enExample)
CN (1) CN102783069A (enExample)
WO (1) WO2011108319A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110855586A (zh) * 2016-07-08 2020-02-28 北京展讯高科通信技术有限公司 导频信号传输方法

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5547988B2 (ja) * 2010-03-01 2014-07-16 シャープ株式会社 通信システム、送信装置、受信装置、通信方法
JP5687524B2 (ja) * 2011-03-01 2015-03-18 シャープ株式会社 送信装置、受信装置、通信システム、通信方法、および集積回路
JP5864200B2 (ja) 2011-05-20 2016-02-17 株式会社Ｎｔｔドコモ 受信装置、送信装置及び無線通信方法
JP5804594B2 (ja) * 2011-08-05 2015-11-04 シャープ株式会社 プリコーディング装置、プリコーディング用プログラムおよび集積回路
US8934398B2 (en) * 2011-10-07 2015-01-13 Qualcomm Incorporated System, apparatus, and method for repeater pilot signal generation in wireless communication systems
WO2014057840A1 (ja) * 2012-10-10 2014-04-17 シャープ株式会社 端末装置、基地局装置、無線通信システム、受信方法および集積回路
JP5969374B2 (ja) * 2012-12-17 2016-08-17 Kddi株式会社 無線通信システム及びその方法、送信装置及びその方法、受信装置及びその方法、並びに無線通信装置
JP6254019B2 (ja) * 2014-02-28 2017-12-27 株式会社Ｎｔｔドコモ 無線基地局、ユーザ端末、無線通信方法及び無線通信システム
JP7227233B2 (ja) * 2018-05-10 2023-02-21 株式会社Ｎｔｔドコモ 受信装置
US20210211247A1 (en) * 2018-05-22 2021-07-08 Ntt Docomo, Inc. Precoding method, decoding method, transmitting device and receiving device

Citations (4)

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Publication number Priority date Publication date Assignee Title
CN1697361A (zh) * 2004-05-13 2005-11-16 株式会社Ntt都科摩 无线通信系统、通信装置、接收装置、通信方法及信道估计方法
CN101147334A (zh) * 2005-03-30 2008-03-19 富士通株式会社 移动终端、无线通信装置以及无线通信方法
JP2009182894A (ja) * 2008-01-31 2009-08-13 Toshiba Corp 無線送信方法及び装置
CN101636994A (zh) * 2007-03-21 2010-01-27 交互数字技术公司 基于专用参考信号模式传输并解码资源块结构的mimo无线通信方法和设备

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4350491B2 (ja) 2002-12-05 2009-10-21 パナソニック株式会社 無線通信システム、無線通信方法、及び無線通信装置
JP2010043825A (ja) 2008-03-14 2010-02-25 Panasonic Corp 冷蔵庫
JP5221285B2 (ja) 2008-11-05 2013-06-26 株式会社東芝 無線通信装置及び方法
US8437300B2 (en) * 2009-10-12 2013-05-07 Samsung Electronics Co., Ltd Method and system of multi-layer beamforming
CN102714527B (zh) * 2010-01-22 2015-04-01 Lg电子株式会社 用于在mimo无线通信系统中提供下行链路控制信息的方法和设备

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1697361A (zh) * 2004-05-13 2005-11-16 株式会社Ntt都科摩 无线通信系统、通信装置、接收装置、通信方法及信道估计方法
CN101147334A (zh) * 2005-03-30 2008-03-19 富士通株式会社 移动终端、无线通信装置以及无线通信方法
CN101636994A (zh) * 2007-03-21 2010-01-27 交互数字技术公司 基于专用参考信号模式传输并解码资源块结构的mimo无线通信方法和设备
JP2009182894A (ja) * 2008-01-31 2009-08-13 Toshiba Corp 無線送信方法及び装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110855586A (zh) * 2016-07-08 2020-02-28 北京展讯高科通信技术有限公司 导频信号传输方法
CN110855586B (zh) * 2016-07-08 2022-08-26 北京紫光展锐通信技术有限公司 导频信号传输方法

Also Published As

Publication number Publication date
WO2011108319A1 (ja) 2011-09-09
US8897122B2 (en) 2014-11-25
JP2011233944A (ja) 2011-11-17
US20130003641A1 (en) 2013-01-03
EP2544393A1 (en) 2013-01-09
EP2544393A4 (en) 2014-10-22
JP5501034B2 (ja) 2014-05-21

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Application publication date: 20121114