WO2008087819A1 - 信号処理部及び無線機 - Google Patents

信号処理部及び無線機 Download PDF

Info

Publication number
WO2008087819A1
WO2008087819A1 PCT/JP2007/074139 JP2007074139W WO2008087819A1 WO 2008087819 A1 WO2008087819 A1 WO 2008087819A1 JP 2007074139 W JP2007074139 W JP 2007074139W WO 2008087819 A1 WO2008087819 A1 WO 2008087819A1
Authority
WO
WIPO (PCT)
Prior art keywords
unit
carrier
correlation
correlation peak
processing
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/JP2007/074139
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
Kaoru Kobayashi
Shigeru Takegishi
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
Publication of WO2008087819A1 publication Critical patent/WO2008087819A1/ja
Priority to US12/382,157 priority Critical patent/US8204099B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Transceivers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
PCT/JP2007/074139 2007-01-19 2007-12-14 信号処理部及び無線機 Ceased WO2008087819A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/382,157 US8204099B2 (en) 2007-01-19 2009-03-10 Signal processing unit and wireless communication device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-010654 2007-01-19
JP2007010654A JP4224105B2 (ja) 2007-01-19 2007-01-19 信号処理部及び無線機

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/382,157 Continuation US8204099B2 (en) 2007-01-19 2009-03-10 Signal processing unit and wireless communication device

Publications (1)

Publication Number Publication Date
WO2008087819A1 true WO2008087819A1 (ja) 2008-07-24

Family

ID=39635824

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/074139 Ceased WO2008087819A1 (ja) 2007-01-19 2007-12-14 信号処理部及び無線機

Country Status (3)

Country Link
US (1) US8204099B2 (cg-RX-API-DMAC7.html)
JP (1) JP4224105B2 (cg-RX-API-DMAC7.html)
WO (1) WO2008087819A1 (cg-RX-API-DMAC7.html)

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 (cg-RX-API-DMAC7.html) * 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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
JP2002280974A (ja) * 2001-03-21 2002-09-27 Anritsu Corp 電波サービスエリア評価装置
JP2006246059A (ja) * 2005-03-03 2006-09-14 Nippon Dempa Kogyo Co Ltd 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

Family Cites Families (11)

* 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
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
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
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
JP2002280974A (ja) * 2001-03-21 2002-09-27 Anritsu Corp 電波サービスエリア評価装置
JP2006246059A (ja) * 2005-03-03 2006-09-14 Nippon Dempa Kogyo Co Ltd 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

Also Published As

Publication number Publication date
US20090180525A1 (en) 2009-07-16
JP4224105B2 (ja) 2009-02-12
US8204099B2 (en) 2012-06-19
JP2008177945A (ja) 2008-07-31

Similar Documents

Publication Publication Date Title
WO2006065323A3 (en) Methods and systems for detecting noise in a position sensor using minor shifts in sensing frequency
TW200733761A (en) Mobile communication device with low power receiver for signal detection
WO2009013495A3 (en) Near field rf communicators
WO2005076915A3 (en) Methods and apparatuses for selectively disabling functionality of a device
WO2008042134A3 (en) Performing a coordinate rotation digital computer (cordic) operation for amplitude modulation (am) demodulation
EP1355444A3 (en) Clock recovery circuit and data receiving circuit
WO2009053869A3 (en) Method and mobile device for detecting highlights
EP2287707A3 (en) Apparatus and method for providing wireless communication and global positioning for a wireless computer mouse
WO2006090337A3 (en) Method and apparatus for synchronizing wireless receiver
WO2004109315A3 (en) Detection and reduction of periodic jamming signals in gps receivers and methods therefor
WO2009065861A3 (en) Device and method for signal detection in a tdma network
WO2008138453A3 (de) Verfahren und vorrichtung zur detektion von simultaner doppelaussendung von am-signalen
EP2315350A3 (en) Digital phase locked loop
WO2009039161A3 (en) Systems and methods for transparency mapping using multipath signals
TW200644428A (en) Bit synchronization detection methods and systems
TW200637201A (en) Detecting signals
EP2326016A3 (en) Narrow-band interference detector, signal receiver employing narrow-band interference detector and controlling demodulator parameter setting according to narrow-band interference detection result, and related methods therefor
WO2008011606A3 (en) False channel detection for wireless communication
WO2008087820A1 (ja) 無線機
TW200610285A (en) Joint signal demodulation in a low and high data rate channel environment
WO2008087818A1 (ja) 信号処理部及び無線機
WO2007056662A3 (en) System and method for detecting multipath effects in a gps receiver
EP1696622A3 (en) Method and system using preamble detection to demodulate a phase shift key carrier signal
EP1763206A3 (en) Method of improving the detection of opening and closing of a slide-type mobile communication terminal and an apparatus therefor
TWI320642B (cg-RX-API-DMAC7.html)

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 07850643

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 07850643

Country of ref document: EP

Kind code of ref document: A1