WO2008096591A1 - Ｏｆｄｍ送信機及びｏｆｄｍ受信機 - Google Patents

Ｏｆｄｍ送信機及びｏｆｄｍ受信機 Download PDF

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Publication number
WO2008096591A1
WO2008096591A1 PCT/JP2008/050780 JP2008050780W WO2008096591A1 WO 2008096591 A1 WO2008096591 A1 WO 2008096591A1 JP 2008050780 W JP2008050780 W JP 2008050780W WO 2008096591 A1 WO2008096591 A1 WO 2008096591A1
Authority
WO
WIPO (PCT)
Prior art keywords
ofdm
frequency offset
section
transmitter
signal
Prior art date
Application number
PCT/JP2008/050780
Other languages
English (en)
French (fr)
Inventor
Katsutoshi Ishikura
Hidenobu Fukumasa
Toshiaki Kameno
Hirokazui KOBAYASHI
Koichi Tsunekawa
Original Assignee
Sharp Kabushiki Kaisha
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 Kabushiki Kaisha filed Critical Sharp Kabushiki Kaisha
Priority to EP08703627A priority Critical patent/EP2120377A1/en
Priority to JP2008557053A priority patent/JP4938037B2/ja
Priority to CN2008800044553A priority patent/CN101627596B/zh
Priority to US12/525,039 priority patent/US20090323515A1/en
Publication of WO2008096591A1 publication Critical patent/WO2008096591A1/ja

Links

Classifications

    • 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
    • H04L27/2657—Carrier synchronisation
    • 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
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • 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), 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
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radio Transmission System (AREA)
  • Radio Relay Systems (AREA)

Abstract

　ＯＦＤＭシンボル上にパイロット／データシンボルを配置する上記パイロット／データ配置部を備えたＯＦＤＭ送信機と、このＯＦＤＭ送信機のアンテナから送出されたＯＦＤＭ信号を受信するアンテナと、受信したＲＦ信号であるＯＦＤＭ信号をベースバンド信号に周波数変換等を行う無線部と、オフセット値を推定する周波数オフセット推定部と、周波数オフセット分の周波数補償を行う周波数オフセット補正部と、を備えたＯＦＤＭ受信機とにより、伝搬遅延の大きい環境において、データ伝送効率を高めるとともに、適切な周波数オフセット補正を行い、データのサブキャリア間干渉を低減して、受信特性の劣化を防ぐ。
PCT/JP2008/050780 2007-02-09 2008-01-22 Ｏｆｄｍ送信機及びｏｆｄｍ受信機 WO2008096591A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP08703627A EP2120377A1 (en) 2007-02-09 2008-01-22 Ofdm transmitter and ofdm receiver
JP2008557053A JP4938037B2 (ja) 2007-02-09 2008-01-22 Ｏｆｄｍ送信機及びｏｆｄｍ受信機
CN2008800044553A CN101627596B (zh) 2007-02-09 2008-01-22 Ofdm发送机和ofdm接收机
US12/525,039 US20090323515A1 (en) 2007-02-09 2008-01-22 Ofdm transmittter and ofdm receiver

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007030994 2007-02-09
JP2007-030994 2007-02-09

Publications (1)

Publication Number Publication Date
WO2008096591A1 true WO2008096591A1 (ja) 2008-08-14

Family

ID=39681502

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/050780 WO2008096591A1 (ja) 2007-02-09 2008-01-22 Ｏｆｄｍ送信機及びｏｆｄｍ受信機

Country Status (5)

Country Link
US (1) US20090323515A1 (ja)
EP (1) EP2120377A1 (ja)
JP (1) JP4938037B2 (ja)
CN (1) CN101627596B (ja)
WO (1) WO2008096591A1 (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012085084A (ja) * 2010-10-12 2012-04-26 Hitachi Kokusai Electric Inc Ｏｆｄｍ信号送信装置
US20120201221A1 (en) * 2009-10-26 2012-08-09 Sumitomo Electric Industries, Ltd. Wireless communication apparatus
DE102010006574B4 (de) * 2009-06-29 2012-12-20 Rohde & Schwarz Gmbh & Co. Kg Verfahren zur Erkennung des Vorhandenseins von Referenzsymbolen in einem Kontroll- und Nutzkanal eines Funksignals nach dem OFDM-Verfahren sowie entsprechendes Computerprogramm und Computerprogrammprodukt
JP2013048434A (ja) * 2007-09-10 2013-03-07 Lg Electronics Inc 多重アンテナシステムにおけるパイロット副搬送波の割当方法
US8842655B2 (en) 2008-07-11 2014-09-23 Sumitomo Electric Industries, Ltd. Communication apparatus for multi antenna signal processing
US9264271B2 (en) 2007-09-10 2016-02-16 Lg Electronics Inc. Wireless communication system using pilot subcarrier allocation

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080086398A (ko) * 2007-03-21 2008-09-25 삼성전자주식회사 광대역 무선통신 시스템에서 주파수 오프셋 간섭 제거 장치및 방법
US7782751B1 (en) 2007-08-08 2010-08-24 Marvell International Ltd. Systems and methods for computing a relative path delay between multiple transmission sources
US20120195401A1 (en) 2011-02-01 2012-08-02 Neal Becker System and method for correlating received signal over time and frequency
US8625690B2 (en) * 2011-03-04 2014-01-07 Qualcomm Incorporated Systems and methods for wireless communication in sub gigahertz bands
CN102761505B (zh) * 2011-04-29 2017-05-10 中兴通讯股份有限公司 频偏估计方法及装置
US8942317B2 (en) * 2012-07-06 2015-01-27 Imagination Technologies, Llc Carrier offset correction of a received signal
US9088391B2 (en) 2012-07-06 2015-07-21 Imagination Technologies, Llc Temperature compensated carrier offset correction of a received signal
CN103023850B (zh) * 2012-11-28 2015-03-04 北京工业大学 可变带宽的ofdm发射机和接收机
CN104168241B (zh) * 2013-05-16 2017-10-17 华为技术有限公司 多输入输出正交频分复用通信系统及信号补偿方法
US9379917B2 (en) * 2013-09-09 2016-06-28 Huawei Technologies Co., Ltd. System and method for channel estimation for generalized frequency division multiplexing (GFDM)
JP6290506B2 (ja) * 2015-02-23 2018-03-07 株式会社東芝 無線通信装置、集積回路、送信方法、受信方法及び通信方法
US10454634B2 (en) 2015-03-19 2019-10-22 Lg Electronics Inc. Method for allocating resources for supporting plurality of wireless communication modes in wireless communication system, and device for same
US11005628B2 (en) 2015-08-04 2021-05-11 Futurewei Technologies, Inc. Device, network, and method for wideband LTE single OFDM symbol uplink transmission
CN106487735A (zh) * 2015-09-01 2017-03-08 中兴通讯股份有限公司 一种频偏估计方法及装置
EP3371943B1 (en) * 2015-11-05 2020-05-13 Telefonaktiebolaget LM Ericsson (PUBL) Robust channel estimation for vehicular applications
CN107306163B (zh) * 2016-04-22 2019-06-28 富士通株式会社 导频频偏的处理装置、方法以及接收机
US10009832B1 (en) * 2017-08-11 2018-06-26 At&T Intellectual Property I, L.P. Facilitating compact signaling design for reserved resource configuration in wireless communication systems
WO2019132980A1 (en) * 2017-12-29 2019-07-04 Intel IP Corporation Enhanced signal detection for wireless communications

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11284597A (ja) * 1998-03-31 1999-10-15 Jisedai Digital Television Hoso System Kenkyusho:Kk Ｏｆｄｍ伝送方式
JP2000022660A (ja) * 1998-07-06 2000-01-21 Toshiba Corp ディジタル通信装置
WO2005015797A1 (ja) * 2003-08-12 2005-02-17 Matsushita Electric Industrial Co., Ltd. 無線通信装置およびパイロットシンボル伝送方法
JP2005109743A (ja) * 2003-09-29 2005-04-21 Toshiba Corp マルチキャリア通信装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0938208A1 (en) * 1998-02-22 1999-08-25 Sony International (Europe) GmbH Multicarrier transmission, compatible with the existing GSM system
JP2000222660A (ja) * 1999-02-03 2000-08-11 Matsushita Electric Ind Co Ltd 緊急通報システム端末機器および緊急通報システム
US6954481B1 (en) * 2000-04-18 2005-10-11 Flarion Technologies, Inc. Pilot use in orthogonal frequency division multiplexing based spread spectrum multiple access systems
US7248559B2 (en) * 2001-10-17 2007-07-24 Nortel Networks Limited Scattered pilot pattern and channel estimation method for MIMO-OFDM systems
US7672384B2 (en) * 2004-03-12 2010-03-02 Regents Of The University Of Minnesota Bandwidth and power efficient multicarrier multiple access
KR20080033516A (ko) * 2005-08-12 2008-04-16 노키아 코포레이션 다중 반송파 ｍｉｍｏ 시스템에서 파일럿을 배치하기 위한방법, 시스템, 장치 및 컴퓨터 프로그램 제품
US7606574B2 (en) * 2006-01-12 2009-10-20 Motorola, Inc. Method and apparatus for implementing spatial division multiple access (“SDMA”) to communicate user data and backhaul data with the same wireless time-frequency resources

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11284597A (ja) * 1998-03-31 1999-10-15 Jisedai Digital Television Hoso System Kenkyusho:Kk Ｏｆｄｍ伝送方式
JP2000022660A (ja) * 1998-07-06 2000-01-21 Toshiba Corp ディジタル通信装置
WO2005015797A1 (ja) * 2003-08-12 2005-02-17 Matsushita Electric Industrial Co., Ltd. 無線通信装置およびパイロットシンボル伝送方法
JP2005109743A (ja) * 2003-09-29 2005-04-21 Toshiba Corp マルチキャリア通信装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ISHIKURA K. ET AL.: "OFDM Tsushin ni Okeru Shuhasu Offset Suitei Oyobi Pilot Haichi ni Kansuru Ichikento", THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS SOGO TAIKAI KOEN RONBUNSHU, 7 March 2007 (2007-03-07), pages 487, XP008111149 *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013048434A (ja) * 2007-09-10 2013-03-07 Lg Electronics Inc 多重アンテナシステムにおけるパイロット副搬送波の割当方法
US9264271B2 (en) 2007-09-10 2016-02-16 Lg Electronics Inc. Wireless communication system using pilot subcarrier allocation
US8842655B2 (en) 2008-07-11 2014-09-23 Sumitomo Electric Industries, Ltd. Communication apparatus for multi antenna signal processing
DE102010006574B4 (de) * 2009-06-29 2012-12-20 Rohde & Schwarz Gmbh & Co. Kg Verfahren zur Erkennung des Vorhandenseins von Referenzsymbolen in einem Kontroll- und Nutzkanal eines Funksignals nach dem OFDM-Verfahren sowie entsprechendes Computerprogramm und Computerprogrammprodukt
US20120201221A1 (en) * 2009-10-26 2012-08-09 Sumitomo Electric Industries, Ltd. Wireless communication apparatus
US8923227B2 (en) * 2009-10-26 2014-12-30 Sumitomo Electric Industries, Ltd. Wireless communication apparatus using an estimate of the amount-of-phase rotation using pilot signals
US8982797B2 (en) 2009-10-26 2015-03-17 Sumitomo Electric Industries, Ltd. Wireless communication apparatus with resource allocation to users performing array combining using array combining weights
JP2012085084A (ja) * 2010-10-12 2012-04-26 Hitachi Kokusai Electric Inc Ｏｆｄｍ信号送信装置

Also Published As

Publication number Publication date
CN101627596A (zh) 2010-01-13
EP2120377A1 (en) 2009-11-18
JPWO2008096591A1 (ja) 2010-05-20
US20090323515A1 (en) 2009-12-31
CN101627596B (zh) 2012-08-08
JP4938037B2 (ja) 2012-05-23

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