CN103763079B - 使用导频子载波分配的具有多个发射天线的无线通信系统 - Google Patents

使用导频子载波分配的具有多个发射天线的无线通信系统 Download PDF

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Publication number
CN103763079B
CN103763079B CN201310689326.5A CN201310689326A CN103763079B CN 103763079 B CN103763079 B CN 103763079B CN 201310689326 A CN201310689326 A CN 201310689326A CN 103763079 B CN103763079 B CN 103763079B
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CN
China
Prior art keywords
frequency pilot
ofdma
pilot sign
symbol
ofdma symbol
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.)
Expired - Fee Related
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CN201310689326.5A
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English (en)
Chinese (zh)
Other versions
CN103763079A (zh
Inventor
崔镇洙
郭真三
任彬哲
李旭峰
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LG Electronics Inc
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LG Electronics Inc
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Publication date
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Publication of CN103763079A publication Critical patent/CN103763079A/zh
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Publication of CN103763079B publication Critical patent/CN103763079B/zh
Expired - Fee Related legal-status Critical Current
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Classifications

    • 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
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
    • H04L25/0232—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2675—Pilot or known symbols
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • 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)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
CN201310689326.5A 2008-07-22 2009-04-17 使用导频子载波分配的具有多个发射天线的无线通信系统 Expired - Fee Related CN103763079B (zh)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US8282008P 2008-07-22 2008-07-22
US61/082,820 2008-07-22
US8956508P 2008-08-18 2008-08-18
US61/089,565 2008-08-18
US9921108P 2008-09-23 2008-09-23
US61/099,211 2008-09-23
KR1020090009390A KR101498059B1 (ko) 2008-07-22 2009-02-05 파일롯 서브캐리어 할당을 사용하는 복수개의 송신 안테나를 갖는 무선 통신 시스템
KR10-2009-0009390 2009-02-05
CN200980112573.0A CN101990750B (zh) 2008-07-22 2009-04-17 使用导频子载波分配的具有多个发射天线的无线通信系统

Related Parent Applications (1)

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CN200980112573.0A Division CN101990750B (zh) 2008-07-22 2009-04-17 使用导频子载波分配的具有多个发射天线的无线通信系统

Publications (2)

Publication Number Publication Date
CN103763079A CN103763079A (zh) 2014-04-30
CN103763079B true CN103763079B (zh) 2017-04-26

Family

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Family Applications (2)

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CN200980112573.0A Expired - Fee Related CN101990750B (zh) 2008-07-22 2009-04-17 使用导频子载波分配的具有多个发射天线的无线通信系统
CN201310689326.5A Expired - Fee Related CN103763079B (zh) 2008-07-22 2009-04-17 使用导频子载波分配的具有多个发射天线的无线通信系统

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Country Status (6)

Country Link
US (2) US8139665B2 (enExample)
EP (1) EP2301214B1 (enExample)
JP (1) JP5280463B2 (enExample)
KR (1) KR101498059B1 (enExample)
CN (2) CN101990750B (enExample)
WO (1) WO2010011018A1 (enExample)

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CN100563232C (zh) * 2007-06-25 2009-11-25 北京创毅视讯科技有限公司 一种多载波系统的离散导频信号发送方法
KR101443630B1 (ko) * 2007-11-09 2014-09-23 엘지전자 주식회사 기본 신호 할당 단위 설정 방법 및 이를 이용한 신호 전송방법
KR101498060B1 (ko) * 2008-02-19 2015-03-03 엘지전자 주식회사 Ｏｆｄｍ(ａ) 시스템에서의 상향링크 전송 방법
US8711672B2 (en) * 2008-12-30 2014-04-29 Acer Incorporated Wireless communication system using pilot allocation, method and pilot pattern thereof
US7974178B2 (en) * 2009-03-31 2011-07-05 Intel Corporation Pilot method for 802.16m
JPWO2012153659A1 (ja) * 2011-05-10 2014-07-31 Ｎｅｃカシオモバイルコミュニケーションズ株式会社 受信装置および受信方法、並びにコンピュータプログラム
US10333662B2 (en) * 2016-03-08 2019-06-25 Avago Technologies International Sales Pte. Limited Multiple user (MU) short feedback response in wireless communications
JP7029451B2 (ja) 2016-11-16 2022-03-03 オッポ広東移動通信有限公司 アップリンク信号の伝送方法及び装置
EP3553962B1 (en) * 2016-12-23 2021-07-28 Huawei Technologies Co., Ltd. Signal transmission method and base station
CN110226304B (zh) * 2017-01-31 2021-11-30 Lg 电子株式会社 下一代无线通信系统中执行子带单元下行链路调度的方法及其装置
CN112134676B (zh) * 2020-09-28 2025-11-04 中兴通讯股份有限公司 参考信号传输方法、装置、通信节点及存储介质
CN113839899B (zh) * 2021-10-28 2022-08-02 中国电子科技集团公司第五十四研究所 一种mimo-ofdm系统的信道估计方法

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US7184713B2 (en) 2002-06-20 2007-02-27 Qualcomm, Incorporated Rate control for multi-channel communication systems
KR101053610B1 (ko) * 2004-06-25 2011-08-03 엘지전자 주식회사 Ｏｆｄｍ／ｏｆｄｍａ 시스템의 무선자원 할당 방법
WO2006004355A1 (en) 2004-07-01 2006-01-12 Samsung Electronics Co., Ltd. System and method for transmitting uplink control information in an ofdma communication system
KR100996023B1 (ko) * 2005-10-31 2010-11-22 삼성전자주식회사 다중 안테나 통신 시스템에서 데이터 송수신 장치 및 방법
KR101542378B1 (ko) * 2007-09-10 2015-08-07 엘지전자 주식회사 다중 안테나 시스템에서의 파일럿 부반송파 할당 방법
US8537790B2 (en) * 2008-03-10 2013-09-17 Motorola Mobility Llc Hierarchical pilot structure in wireless communication systems
US20110026482A1 (en) * 2008-03-27 2011-02-03 Postdata Co., Ltd. Method and apparatus for pilot signal transmission
US20090257342A1 (en) * 2008-04-10 2009-10-15 Media Tek Inc. Resource block based pilot pattern design for 1/2 - stream mimo ofdma systems
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KR101603649B1 (ko) * 2008-04-21 2016-03-15 엘지전자 주식회사 레거시 시스템을 지원하기 위한 자원 할당을 위한 다중화 구조를 설계하는 방법
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Also Published As

Publication number Publication date
CN101990750A (zh) 2011-03-23
CN103763079A (zh) 2014-04-30
CN101990750B (zh) 2014-01-15
JP5280463B2 (ja) 2013-09-04
US8340201B2 (en) 2012-12-25
JP2011517516A (ja) 2011-06-09
EP2301214A4 (en) 2015-12-02
WO2010011018A1 (en) 2010-01-28
US8139665B2 (en) 2012-03-20
KR20100010463A (ko) 2010-02-01
EP2301214B1 (en) 2018-01-03
US20100020890A1 (en) 2010-01-28
KR101498059B1 (ko) 2015-03-03
US20120106487A1 (en) 2012-05-03
EP2301214A1 (en) 2011-03-30

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