JP5280463B2 - 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 - Google Patents

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 Download PDF

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Publication number
JP5280463B2
JP5280463B2 JP2010550612A JP2010550612A JP5280463B2 JP 5280463 B2 JP5280463 B2 JP 5280463B2 JP 2010550612 A JP2010550612 A JP 2010550612A JP 2010550612 A JP2010550612 A JP 2010550612A JP 5280463 B2 JP5280463 B2 JP 5280463B2
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JP
Japan
Prior art keywords
pilot
subcarriers
pilot subcarriers
ofdma
generated
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
Application number
JP2010550612A
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English (en)
Japanese (ja)
Other versions
JP2011517516A (ja
JP2011517516A5 (enExample
Inventor
ジン ソー チョイ，
ジン サム カワック，
ビン チュル イム，
ウック ボン リ，
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of JP2011517516A publication Critical patent/JP2011517516A/ja
Publication of JP2011517516A5 publication Critical patent/JP2011517516A5/ja
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Publication of JP5280463B2 publication Critical patent/JP5280463B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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)
JP2010550612A 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 Expired - Fee Related JP5280463B2 (ja)

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
PCT/KR2009/002022 WO2010011018A1 (en) 2008-07-22 2009-04-17 Wireless communication system with multiple transmission antennas using pilot subcarrier allocation

Publications (3)

Publication Number Publication Date
JP2011517516A JP2011517516A (ja) 2011-06-09
JP2011517516A5 JP2011517516A5 (enExample) 2012-06-28
JP5280463B2 true JP5280463B2 (ja) 2013-09-04

Family

ID=42085123

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010550612A Expired - Fee Related 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

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)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
KR101053610B1 (ko) * 2004-06-25 2011-08-03 엘지전자 주식회사 Ｏｆｄｍ／ｏｆｄｍａ 시스템의 무선자원 할당 방법
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
KR100996023B1 (ko) * 2005-10-31 2010-11-22 삼성전자주식회사 다중 안테나 통신 시스템에서 데이터 송수신 장치 및 방법
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

Also Published As

Publication number Publication date
US20100020890A1 (en) 2010-01-28
US8139665B2 (en) 2012-03-20
EP2301214A1 (en) 2011-03-30
JP2011517516A (ja) 2011-06-09
CN101990750B (zh) 2014-01-15
KR101498059B1 (ko) 2015-03-03
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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