JP4224105B2 - 信号処理部及び無線機 - Google Patents

信号処理部及び無線機 Download PDF

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Publication number
JP4224105B2
JP4224105B2 JP2007010654A JP2007010654A JP4224105B2 JP 4224105 B2 JP4224105 B2 JP 4224105B2 JP 2007010654 A JP2007010654 A JP 2007010654A JP 2007010654 A JP2007010654 A JP 2007010654A JP 4224105 B2 JP4224105 B2 JP 4224105B2
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JP
Japan
Prior art keywords
unit
detection
correlation
value
carrier
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
JP2007010654A
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English (en)
Japanese (ja)
Other versions
JP2008177945A (ja
JP2008177945A5 (enExample
Inventor
薫 小林
滋 竹岸
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.)
Nihon Dempa Kogyo Co Ltd
Original Assignee
Nihon Dempa Kogyo Co 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 Nihon Dempa Kogyo Co Ltd filed Critical Nihon Dempa Kogyo Co Ltd
Priority to JP2007010654A priority Critical patent/JP4224105B2/ja
Priority to PCT/JP2007/074139 priority patent/WO2008087819A1/ja
Publication of JP2008177945A publication Critical patent/JP2008177945A/ja
Publication of JP2008177945A5 publication Critical patent/JP2008177945A5/ja
Application granted granted Critical
Publication of JP4224105B2 publication Critical patent/JP4224105B2/ja
Priority to US12/382,157 priority patent/US8204099B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/70751—Synchronisation aspects with code phase acquisition using partial detection
    • H04B1/70752—Partial correlation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0046—Open loops
    • H04L2027/0051—Harmonic tracking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0083—Signalling arrangements
    • H04L2027/0089—In-band signals
    • H04L2027/0093—Intermittant signals
    • H04L2027/0095—Intermittant signals in a preamble or similar structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP2007010654A 2007-01-19 2007-01-19 信号処理部及び無線機 Expired - Fee Related JP4224105B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2007010654A JP4224105B2 (ja) 2007-01-19 2007-01-19 信号処理部及び無線機
PCT/JP2007/074139 WO2008087819A1 (ja) 2007-01-19 2007-12-14 信号処理部及び無線機
US12/382,157 US8204099B2 (en) 2007-01-19 2009-03-10 Signal processing unit and wireless communication device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007010654A JP4224105B2 (ja) 2007-01-19 2007-01-19 信号処理部及び無線機

Publications (3)

Publication Number Publication Date
JP2008177945A JP2008177945A (ja) 2008-07-31
JP2008177945A5 JP2008177945A5 (enExample) 2008-11-20
JP4224105B2 true JP4224105B2 (ja) 2009-02-12

Family

ID=39635824

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007010654A Expired - Fee Related JP4224105B2 (ja) 2007-01-19 2007-01-19 信号処理部及び無線機

Country Status (3)

Country Link
US (1) US8204099B2 (enExample)
JP (1) JP4224105B2 (enExample)
WO (1) WO2008087819A1 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4215168B2 (ja) * 2007-01-19 2009-01-28 日本電波工業株式会社 信号処理部及び無線機
WO2009107195A1 (ja) * 2008-02-26 2009-09-03 富士通株式会社 無線基地局装置、周波数偏差検出方法及び移動体通信システム
GB0821615D0 (en) * 2008-11-26 2008-12-31 Cambridge Silicon Radio Ltd Signal reception
GB2470758B (en) * 2009-06-03 2014-08-20 Sony Corp Data processing apparatus and method
JP5299162B2 (ja) * 2009-08-13 2013-09-25 ソニー株式会社 受信装置、および受信方法
JP5539289B2 (ja) * 2011-10-31 2014-07-02 株式会社日立製作所 無線通信装置
CN102833197B (zh) * 2012-08-02 2015-02-25 奥维通信股份有限公司 一种针对wcdma的频偏校正系统及方法
CN112929959B (zh) * 2019-12-05 2022-05-13 广州慧睿思通科技股份有限公司 信号处理方法、装置、计算机设备和存储介质
JPWO2024116349A1 (enExample) * 2022-11-30 2024-06-06
JP2026023055A (ja) * 2024-07-31 2026-02-13 株式会社東芝 通信装置、制御方法、及びプログラム

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH046924A (ja) * 1990-04-24 1992-01-10 Toyota Autom Loom Works Ltd スペクトラム拡散通信同期回路
JPH11196026A (ja) * 1997-12-25 1999-07-21 Ricoh Co Ltd スペクトル拡散受信方法および装置
JP2000115027A (ja) 1998-08-07 2000-04-21 Sekisui Chem Co Ltd スペクトル拡散通信方法及び装置
JP2001028556A (ja) * 1999-07-13 2001-01-30 Fujitsu Ten Ltd スペクトラム拡散された信号の復調装置
AU740804B2 (en) * 1999-07-19 2001-11-15 Nippon Telegraph & Telephone Corporation OFDM packet communication receiver system
JP3438681B2 (ja) * 1999-11-18 2003-08-18 日本電気株式会社 Ｄｓ−ｃｄｍａ基地局間非同期セルラにおける初期同期方法
JP2001308744A (ja) * 2000-04-19 2001-11-02 Nec Corp 移動通信復調装置及びその復調方法並びにその制御プログラムを記録した記録媒体
JP4361703B2 (ja) * 2001-03-21 2009-11-11 アンリツ株式会社 電波サービスエリア評価装置
JP2002290272A (ja) 2001-03-23 2002-10-04 Yrp Mobile Telecommunications Key Tech Res Lab Co Ltd パス検出装置
EP1255368A1 (en) * 2001-04-30 2002-11-06 Siemens Information and Communication Networks S.p.A. Method to perform link adaptation in enhanced cellular communication systems with several modulation and coding schemes
JP4031003B2 (ja) * 2005-03-03 2008-01-09 日本電波工業株式会社 微弱電力によるスペクトル拡散通信方法及びシステム、高周波無線機
JP2006261985A (ja) * 2005-03-16 2006-09-28 Mitsubishi Electric Corp スペクトル拡散通信用受信機
US8139680B2 (en) * 2007-01-12 2012-03-20 General Dynamics C4 Systems, Inc. Signal acquisition methods and apparatus in wireless communication systems
JP4215169B2 (ja) * 2007-01-19 2009-01-28 日本電波工業株式会社 無線機
JP4215168B2 (ja) * 2007-01-19 2009-01-28 日本電波工業株式会社 信号処理部及び無線機
US8401123B2 (en) * 2009-07-28 2013-03-19 Broadcom Corporation Method and system for increasing the accuracy of frequency offset estimation in multiple frequency hypothesis testing in an E-UTRA/LTE UE receiver

Also Published As

Publication number Publication date
WO2008087819A1 (ja) 2008-07-24
JP2008177945A (ja) 2008-07-31
US8204099B2 (en) 2012-06-19
US20090180525A1 (en) 2009-07-16

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