WO2009016688A1 - 無線通信装置 - Google Patents

無線通信装置 Download PDF

Info

Publication number
WO2009016688A1
WO2009016688A1 PCT/JP2007/000832 JP2007000832W WO2009016688A1 WO 2009016688 A1 WO2009016688 A1 WO 2009016688A1 JP 2007000832 W JP2007000832 W JP 2007000832W WO 2009016688 A1 WO2009016688 A1 WO 2009016688A1
Authority
WO
WIPO (PCT)
Prior art keywords
base station
wireless communication
communication device
another base
mobile 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.)
Ceased
Application number
PCT/JP2007/000832
Other languages
English (en)
French (fr)
Inventor
Manabu Shibata
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to EP07790321.9A priority Critical patent/EP2184867B1/en
Priority to JP2009525183A priority patent/JP4823358B2/ja
Priority to PCT/JP2007/000832 priority patent/WO2009016688A1/ja
Publication of WO2009016688A1 publication Critical patent/WO2009016688A1/ja
Priority to US12/691,514 priority patent/US8155087B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2675—Pilot or known symbols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • H04J11/0093—Neighbour cell search
    • 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
    • H04L27/2649—Demodulators
    • H04L27/265—Fourier transform demodulators, e.g. fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators
    • 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
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

　移動局は、現在通信している基地局からの信号を復調処理と並行して、ＦＦＴ開始タイミングがそれぞれずらされた複数のＦＦＴにより、受信信号をフーリエ変換し、他の基地局のパイロット信号を含むサブキャリア信号とのパターン比較による相関検出により、他の基地局の同期タイミングを検出する。
PCT/JP2007/000832 2007-08-02 2007-08-02 無線通信装置 Ceased WO2009016688A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP07790321.9A EP2184867B1 (en) 2007-08-02 2007-08-02 Wireless communication device with improved synchronous timing detection of different base stations
JP2009525183A JP4823358B2 (ja) 2007-08-02 2007-08-02 無線通信装置
PCT/JP2007/000832 WO2009016688A1 (ja) 2007-08-02 2007-08-02 無線通信装置
US12/691,514 US8155087B2 (en) 2007-08-02 2010-01-21 Wireless communication device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/000832 WO2009016688A1 (ja) 2007-08-02 2007-08-02 無線通信装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/691,514 Continuation US8155087B2 (en) 2007-08-02 2010-01-21 Wireless communication device

Publications (1)

Publication Number Publication Date
WO2009016688A1 true WO2009016688A1 (ja) 2009-02-05

Family

ID=40303936

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/000832 Ceased WO2009016688A1 (ja) 2007-08-02 2007-08-02 無線通信装置

Country Status (4)

Country Link
US (1) US8155087B2 (ja)
EP (1) EP2184867B1 (ja)
JP (1) JP4823358B2 (ja)
WO (1) WO2009016688A1 (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013500645A (ja) * 2009-07-29 2013-01-07 ゼットティーイー コーポレイション 直交周波数分割多重方式におけるランダムアクセス信号の検出方法及び装置
JP2013502882A (ja) * 2009-08-24 2013-01-24 クゥアルコム・インコーポレイテッド 周波数直交ｏｆｄｍ干渉体の存在下においてｏｆｄｍ信号を検出するための方法および装置
JP2013514740A (ja) * 2009-12-17 2013-04-25 日本テキサス・インスツルメンツ株式会社 無線伝送におけるパイロットサブキャリア
US8837648B2 (en) 2010-07-21 2014-09-16 Fujitsu Limited OFDM communication reception device
JP2015012470A (ja) * 2013-06-28 2015-01-19 パナソニックＩｐマネジメント株式会社 チャンネル判定方法および無線通信装置

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8441951B2 (en) * 2008-01-30 2013-05-14 Telefonatiebolaget Lm Ericsson (Publ) Configuration measurement time slots for mobile terminals in a TDD system
US8111783B2 (en) * 2008-06-17 2012-02-07 Cisco Technology, Inc. Capturing and using radio events
JP5543033B2 (ja) * 2011-09-05 2014-07-09 三菱電機株式会社 受信装置および受信方法
US8254498B1 (en) * 2012-02-28 2012-08-28 On-Ramp Wireless, Inc. Random orthogonal frequency division multiplexing
JPWO2014069587A1 (ja) * 2012-11-02 2016-09-08 シャープ株式会社 基地局装置、端末装置、通信システム、送信方法、受信方法、通信方法および集積回路
US9385778B2 (en) 2014-01-31 2016-07-05 Qualcomm Incorporated Low-power circuit and implementation for despreading on a configurable processor datapath

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000134667A (ja) * 1998-10-29 2000-05-12 Mitsubishi Electric Corp 移動体通信システム
JP2002300628A (ja) 2001-04-02 2002-10-11 Matsushita Electric Ind Co Ltd ハンドオーバーの処理方法及びその送受信装置
JP2006333452A (ja) 2005-04-28 2006-12-07 Matsushita Electric Ind Co Ltd 移動体通信システムを構成する基地局及び移動局

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2361247C (en) * 2000-11-06 2008-10-07 Ntt Docomo, Inc. Transmitter, transmitting method, receiver, and receiving method for mc-cdma communication system
US7042858B1 (en) * 2002-03-22 2006-05-09 Jianglei Ma Soft handoff for OFDM
DE602004027322D1 (de) * 2003-01-31 2010-07-08 Ntt Docomo Inc Übertragungssynchronisierung
KR100659937B1 (ko) * 2004-10-12 2006-12-21 삼성전자주식회사 무선통신시스템에서 셀 인식 및 하향링크 동기를 획득하기위한 장치 및 방법
JP2006246440A (ja) * 2005-02-03 2006-09-14 Toshiba Corp 無線通信端末及びハンドオーバ制御方法
US20060245390A1 (en) * 2005-04-28 2006-11-02 Yukihiro Omoto Base station and mobile station constituting mobile communication system
US8665799B2 (en) * 2006-09-14 2014-03-04 Qualcomm Incorporated Beacon assisted cell search in a wireless communication system
JP5233454B2 (ja) * 2008-07-08 2013-07-10 富士通株式会社 移動端末局および受信品質測定方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000134667A (ja) * 1998-10-29 2000-05-12 Mitsubishi Electric Corp 移動体通信システム
JP2002300628A (ja) 2001-04-02 2002-10-11 Matsushita Electric Ind Co Ltd ハンドオーバーの処理方法及びその送受信装置
JP2006333452A (ja) 2005-04-28 2006-12-07 Matsushita Electric Ind Co Ltd 移動体通信システムを構成する基地局及び移動局

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2184867A4

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013500645A (ja) * 2009-07-29 2013-01-07 ゼットティーイー コーポレイション 直交周波数分割多重方式におけるランダムアクセス信号の検出方法及び装置
JP2013502882A (ja) * 2009-08-24 2013-01-24 クゥアルコム・インコーポレイテッド 周波数直交ｏｆｄｍ干渉体の存在下においてｏｆｄｍ信号を検出するための方法および装置
US8693305B2 (en) 2009-08-24 2014-04-08 Qualcomm Incorporated Method and apparatus for detecting OFDM signals in the presence of frequency orthogonal OFDM interferers
JP2013514740A (ja) * 2009-12-17 2013-04-25 日本テキサス・インスツルメンツ株式会社 無線伝送におけるパイロットサブキャリア
US8837648B2 (en) 2010-07-21 2014-09-16 Fujitsu Limited OFDM communication reception device
JP2015012470A (ja) * 2013-06-28 2015-01-19 パナソニックＩｐマネジメント株式会社 チャンネル判定方法および無線通信装置

Also Published As

Publication number Publication date
EP2184867A4 (en) 2014-07-23
EP2184867A1 (en) 2010-05-12
US8155087B2 (en) 2012-04-10
JPWO2009016688A1 (ja) 2010-10-07
US20100118694A1 (en) 2010-05-13
JP4823358B2 (ja) 2011-11-24
EP2184867B1 (en) 2018-02-14

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