KR101498059B1 - 파일롯 서브캐리어 할당을 사용하는 복수개의 송신 안테나를 갖는 무선 통신 시스템 - Google Patents

파일롯 서브캐리어 할당을 사용하는 복수개의 송신 안테나를 갖는 무선 통신 시스템 Download PDF

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Publication number
KR101498059B1
KR101498059B1 KR1020090009390A KR20090009390A KR101498059B1 KR 101498059 B1 KR101498059 B1 KR 101498059B1 KR 1020090009390 A KR1020090009390 A KR 1020090009390A KR 20090009390 A KR20090009390 A KR 20090009390A KR 101498059 B1 KR101498059 B1 KR 101498059B1
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KR
South Korea
Prior art keywords
pilot
pilot subcarrier
ofdma
ofdma symbol
subcarriers
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Expired - Fee Related
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KR1020090009390A
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English (en)
Korean (ko)
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KR20100010463A (ko
Inventor
최진수
한종영
조한규
정재훈
Original Assignee
엘지전자 주식회사
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.)
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Publication date
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to RU2010144540/08A priority Critical patent/RU2445745C1/ru
Priority to JP2010550612A priority patent/JP5280463B2/ja
Priority to PCT/KR2009/002022 priority patent/WO2010011018A1/en
Priority to CN200980112573.0A priority patent/CN101990750B/zh
Priority to EP09800499.7A priority patent/EP2301214B1/en
Priority to CN201310689326.5A priority patent/CN103763079B/zh
Priority to US12/427,328 priority patent/US8139665B2/en
Publication of KR20100010463A publication Critical patent/KR20100010463A/ko
Priority to US13/349,339 priority patent/US8340201B2/en
Application granted granted Critical
Publication of KR101498059B1 publication Critical patent/KR101498059B1/ko
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • H04L5/0001—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
    • 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

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
KR1020090009390A 2008-07-22 2009-02-05 파일롯 서브캐리어 할당을 사용하는 복수개의 송신 안테나를 갖는 무선 통신 시스템 Expired - Fee Related KR101498059B1 (ko)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP2010550612A JP5280463B2 (ja) 2008-07-22 2009-04-17 パイロットサブキャリア割当を用いる複数個の送信アンテナを有する無線通信システム
PCT/KR2009/002022 WO2010011018A1 (en) 2008-07-22 2009-04-17 Wireless communication system with multiple transmission antennas using pilot subcarrier allocation
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
EP09800499.7A EP2301214B1 (en) 2008-07-22 2009-04-17 Channel estimation for MIMO systems supporting 7 or 5 OFDMA symbols
RU2010144540/08A RU2445745C1 (ru) 2008-07-22 2009-04-17 Система беспроводной связи с множественными передающими антеннами с использованием выделения поднесущих пилот-сигнала
CN201310689326.5A 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
US12/427,328 US8139665B2 (en) 2008-07-22 2009-04-21 Wireless communication system with multiple transmission antennas using pilot subcarrier allocation
US13/349,339 US8340201B2 (en) 2008-07-22 2012-01-12 Wireless communication system with multiple transmission antennas using pilot subcarrier allocation

Applications Claiming Priority (6)

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

Publications (2)

Publication Number Publication Date
KR20100010463A KR20100010463A (ko) 2010-02-01
KR101498059B1 true KR101498059B1 (ko) 2015-03-03

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Application Number Title Priority Date Filing Date
KR1020090009390A Expired - Fee Related KR101498059B1 (ko) 2008-07-22 2009-02-05 파일롯 서브캐리어 할당을 사용하는 복수개의 송신 안테나를 갖는 무선 통신 시스템

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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* Cited by examiner, † Cited by third party
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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
WO2012153659A1 (ja) * 2011-05-10 2012-11-15 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
RU2725407C1 (ru) * 2016-11-16 2020-07-02 Гуандун Оппо Мобайл Телекоммьюникейшнс Корп., Лтд. Устройство и способ передачи сигнала восходящего канала
KR102249124B1 (ko) * 2016-12-23 2021-05-06 후아웨이 테크놀러지 컴퍼니 리미티드 신호 송신 방법 및 기지국
WO2018143654A1 (ko) * 2017-01-31 2018-08-09 엘지전자 주식회사 차세대 무선 통신 시스템에서 서브밴드 단위의 하향링크 스케줄링을 수행하는 방법 및 이를 위한 장치
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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US20050286408A1 (en) * 2004-06-25 2005-12-29 Lg Electronics Inc. Allocation of radio resource in orthogonal frequency division multiplexing system
US20070104283A1 (en) * 2005-10-31 2007-05-10 Jin-Kyu Han Apparatus and method for transmitting/receiving data in a multi-antenna communication system

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US7184713B2 (en) 2002-06-20 2007-02-27 Qualcomm, Incorporated Rate control for multi-channel communication systems
CN1973459A (zh) * 2004-06-25 2007-05-30 Lg电子株式会社 在正交频分复用系统中无线资源的分配
EP1613117B1 (en) 2004-07-01 2013-05-22 Samsung Electronics Co., Ltd. System and method for transmitting uplink control information in an OFDMA communication system
KR101520667B1 (ko) * 2007-09-10 2015-05-18 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
US8724718B2 (en) * 2008-04-10 2014-05-13 Mediatek Inc. Pilot pattern design for small size resource block in OFDMA systems
US20090257342A1 (en) * 2008-04-10 2009-10-15 Media Tek Inc. Resource block based pilot pattern design for 1/2 - stream mimo ofdma systems
KR101603649B1 (ko) * 2008-04-21 2016-03-15 엘지전자 주식회사 레거시 시스템을 지원하기 위한 자원 할당을 위한 다중화 구조를 설계하는 방법
US8111609B2 (en) * 2008-04-22 2012-02-07 Nokia Siemens Networks Oy Mapping resource blocks into subchannels
WO2009143860A1 (en) * 2008-05-28 2009-12-03 Nokia Siemens Networks Oy Method and apparatus for providing pilot signals in ofdm frames
US8488693B2 (en) * 2008-06-11 2013-07-16 Industrial Technology Research Institute Wireless communication systems and methods using reference signals
KR101531515B1 (ko) * 2008-07-04 2015-06-26 엘지전자 주식회사 파일롯 서브캐리어 할당을 사용하는 복수개의 송신 안테나를 갖는 무선 통신 시스템

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Publication number Priority date Publication date Assignee Title
US20050286408A1 (en) * 2004-06-25 2005-12-29 Lg Electronics Inc. Allocation of radio resource in orthogonal frequency division multiplexing system
US20070104283A1 (en) * 2005-10-31 2007-05-10 Jin-Kyu Han Apparatus and method for transmitting/receiving data in a multi-antenna communication system

Also Published As

Publication number Publication date
US20100020890A1 (en) 2010-01-28
JP5280463B2 (ja) 2013-09-04
US8139665B2 (en) 2012-03-20
EP2301214A1 (en) 2011-03-30
JP2011517516A (ja) 2011-06-09
CN101990750B (zh) 2014-01-15
WO2010011018A1 (en) 2010-01-28
US20120106487A1 (en) 2012-05-03
US8340201B2 (en) 2012-12-25
EP2301214A4 (en) 2015-12-02
CN101990750A (zh) 2011-03-23
CN103763079B (zh) 2017-04-26
EP2301214B1 (en) 2018-01-03
KR20100010463A (ko) 2010-02-01
CN103763079A (zh) 2014-04-30

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