CN101809888A - 用于ofdm的基于干扰的相移预编码 - Google Patents

用于ofdm的基于干扰的相移预编码 Download PDF

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Publication number
CN101809888A
CN101809888A CN200880110408A CN200880110408A CN101809888A CN 101809888 A CN101809888 A CN 101809888A CN 200880110408 A CN200880110408 A CN 200880110408A CN 200880110408 A CN200880110408 A CN 200880110408A CN 101809888 A CN101809888 A CN 101809888A
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CN
China
Prior art keywords
wireless terminal
delay diversity
cyclic delay
interference
base station
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
CN200880110408A
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English (en)
Chinese (zh)
Inventor
廖敬一
万蕾
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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Filing date
Publication date
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of CN101809888A publication Critical patent/CN101809888A/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
    • H04B7/06—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
    • H04B7/0667—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 delayed versions of same signal
    • H04B7/0671—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 delayed versions of same signal using different delays between antennas
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0862—Weighted combining receiver computing weights based on information from the transmitter

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
CN200880110408A 2007-08-01 2008-07-01 用于ofdm的基于干扰的相移预编码 Pending CN101809888A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/832,314 US8131228B2 (en) 2007-08-01 2007-08-01 Interference based phase shift precoding for OFDM
US11/832,314 2007-08-01
PCT/SE2008/050810 WO2009017447A2 (en) 2007-08-01 2008-07-01 Interference based phase shift precoding for ofdm

Publications (1)

Publication Number Publication Date
CN101809888A true CN101809888A (zh) 2010-08-18

Family

ID=40305078

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200880110408A Pending CN101809888A (zh) 2007-08-01 2008-07-01 用于ofdm的基于干扰的相移预编码

Country Status (6)

Country Link
US (1) US8131228B2 (enExample)
EP (1) EP2174429B1 (enExample)
JP (1) JP5226786B2 (enExample)
CN (1) CN101809888A (enExample)
BR (1) BRPI0814458A2 (enExample)
WO (1) WO2009017447A2 (enExample)

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CN104885393A (zh) * 2012-11-09 2015-09-02 瑞典爱立信有限公司 自适应传送模式切换

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WO2008050995A2 (en) * 2006-10-23 2008-05-02 Lg Electronics Inc. Method for transmitting data using cyclic delay diversity
KR101413309B1 (ko) * 2007-10-08 2014-06-27 엘지전자 주식회사 채널 선택성을 감소시키는 전송기 및 데이터 전송 방법
US7965780B2 (en) * 2007-12-14 2011-06-21 Telefonaktiebolaget L M Ericsson (Publ) Determination of pre-coding matrix indicators for spatial multiplexing in a mobile communications system
KR101409730B1 (ko) * 2008-01-17 2014-06-19 알까뗄 루슨트 다중-안테나 송신기에서 신호에 대한 순환 지연 맵핑을 행하는 방법 및 장치
KR101268687B1 (ko) * 2008-08-18 2013-05-29 한국전자통신연구원 다중-셀 협력 통신을 위한 기지국들 및 단말을 포함하는 통신 시스템
US8526384B2 (en) * 2009-05-06 2013-09-03 Lg Electronics Inc. Method of transmitting and receiving channel state information feedback in a wireless communication system
KR20100138263A (ko) * 2009-06-24 2010-12-31 주식회사 팬택 적응형 순환 지연 다이버서티를 이용한 다중 포인트 협력형송수신 방법 및 그를 이용한 시스템측 장치와 수신장치, 협력형 기지국 세트 결정 방법
US8498579B2 (en) 2009-07-20 2013-07-30 Qualcomm Incorporated Channel reuse in communication systems
JP5361628B2 (ja) * 2009-09-15 2013-12-04 キヤノン株式会社 撮像装置及び撮像システム、それらの制御方法及びそのプログラム
US9231795B2 (en) 2010-01-18 2016-01-05 Samsung Electronics Co., Ltd. Communication apparatus and precoding method based on multiple cells and multiple users
KR101670946B1 (ko) * 2010-01-18 2016-10-31 삼성전자주식회사 다중 셀 다중 사용자 기반의 프리코딩 방법 및 통신 장치
WO2011093755A1 (en) * 2010-01-27 2011-08-04 Telefonaktiebolaget L M Ericsson (Publ) Method and arrangement in a wireless communication system
CN102237913B (zh) * 2010-04-28 2015-08-12 中兴通讯股份有限公司 天线数据发送模式的选择方法及装置
US8238198B2 (en) 2010-12-30 2012-08-07 Wireless Seismic, Inc. Systems and methods for seismic data acquisition
CN102158310A (zh) * 2011-02-15 2011-08-17 中兴通讯股份有限公司 一种实现多小区预编码的方法和装置
US8886203B2 (en) * 2011-12-28 2014-11-11 Qualcomm Incorporated Dynamic channel reuse in multi-access communication systems
US9726748B2 (en) * 2012-09-21 2017-08-08 Qualcomm Incorporated Cyclic shift delay detection using signaling
WO2014089737A1 (en) * 2012-12-10 2014-06-19 Qualcomm Incorporated Timing advance selection for synchronized uplink transmission
CN104426829B (zh) * 2013-08-30 2018-03-16 华为技术有限公司 一种基站回传方法、相关设备及基站回传系统
KR102130294B1 (ko) * 2014-04-02 2020-07-08 삼성전자주식회사 무선 통신 시스템에서 단일 스트림 다중 빔 송수신 방법 및 장치
JP7190247B2 (ja) 2015-06-23 2022-12-15 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 送信方法、送信装置及び通信システム
US20180324801A1 (en) * 2017-05-02 2018-11-08 Qualcomm Incorporated Access point managed channel correlation for mu-mimo

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CN1770658A (zh) * 2004-10-13 2006-05-10 三星电子株式会社 基站中使用块编码和周期性延迟变异的传输设备和方法
US20070153935A1 (en) * 2005-12-29 2007-07-05 Alcatel Lucent Method and device for cancelling interference in wireless communication system
WO2007083568A1 (ja) * 2006-01-18 2007-07-26 Ntt Docomo, Inc. 通信装置、移動局及び方法

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JP3029576B2 (ja) * 1996-10-08 2000-04-04 株式会社ワイ・アール・ピー移動通信基盤技術研究所 チャネル割当て方法および該方法を使用する通信網
US5867478A (en) * 1997-06-20 1999-02-02 Motorola, Inc. Synchronous coherent orthogonal frequency division multiplexing system, method, software and device
US6088416A (en) 1998-04-21 2000-07-11 Trw Inc. Method for reducing interference and increasing spectral efficiency
US6842487B1 (en) 2000-09-22 2005-01-11 Telefonaktiebolaget Lm Ericsson (Publ) Cyclic delay diversity for mitigating intersymbol interference in OFDM systems
US7224744B2 (en) 2002-04-22 2007-05-29 Regents Of The University Of Minnesota Space-time multipath coding schemes for wireless communication systems
GB2423675B (en) * 2005-02-28 2009-08-19 King S College London Diversity transmitter and method
US7742389B2 (en) 2005-08-23 2010-06-22 Agere Systems Inc. Method and apparatus for improved short preamble formats in a multiple antenna communication system
US8520748B2 (en) * 2005-10-03 2013-08-27 Sharp Kabushiki Kaisha Transmitter, OFDM communication system, and transmission method
WO2007081181A2 (en) * 2006-01-13 2007-07-19 Lg Electronics Inc. A method and apparatus for achieving transmit diversity using antenna selection based on feedback information
US20070270273A1 (en) * 2006-05-18 2007-11-22 Motorola, Inc. Method and apparatus for fast cell search
US20080095133A1 (en) * 2006-10-23 2008-04-24 Shu Kodo Method for reducing inter-cell interference in communications system

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
CN1770658A (zh) * 2004-10-13 2006-05-10 三星电子株式会社 基站中使用块编码和周期性延迟变异的传输设备和方法
US20070153935A1 (en) * 2005-12-29 2007-07-05 Alcatel Lucent Method and device for cancelling interference in wireless communication system
WO2007083568A1 (ja) * 2006-01-18 2007-07-26 Ntt Docomo, Inc. 通信装置、移動局及び方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104885393A (zh) * 2012-11-09 2015-09-02 瑞典爱立信有限公司 自适应传送模式切换

Also Published As

Publication number Publication date
JP2010535450A (ja) 2010-11-18
WO2009017447A3 (en) 2009-04-23
US20090036150A1 (en) 2009-02-05
BRPI0814458A2 (pt) 2015-01-06
WO2009017447A9 (en) 2010-02-04
JP5226786B2 (ja) 2013-07-03
EP2174429A2 (en) 2010-04-14
US8131228B2 (en) 2012-03-06
EP2174429B1 (en) 2016-04-13
WO2009017447A2 (en) 2009-02-05

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Application publication date: 20100818