DE69937760D1 - Synchronisationsdetektionsgerät und -verfahren in DS-CDMA - Google Patents

Synchronisationsdetektionsgerät und -verfahren in DS-CDMA

Info

Publication number
DE69937760D1
DE69937760D1 DE69937760T DE69937760T DE69937760D1 DE 69937760 D1 DE69937760 D1 DE 69937760D1 DE 69937760 T DE69937760 T DE 69937760T DE 69937760 T DE69937760 T DE 69937760T DE 69937760 D1 DE69937760 D1 DE 69937760D1
Authority
DE
Germany
Prior art keywords
cdma
detection apparatus
synchronization detection
synchronization
detection
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
DE69937760T
Other languages
English (en)
Other versions
DE69937760T2 (de
Inventor
Kazuhiko Terashima
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69937760D1 publication Critical patent/DE69937760D1/de
Publication of DE69937760T2 publication Critical patent/DE69937760T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04B1/7077—Multi-step acquisition, e.g. multi-dwell, coarse-fine or validation
    • 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
    • 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
    • H04B1/709—Correlator structure
    • H04B1/7093—Matched filter type
    • 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
    • H04B1/7083—Cell search, e.g. using a three-step approach
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70707—Efficiency-related aspects
DE1999637760 1998-03-18 1999-03-18 Synchronisationsdetektionsgerät und -verfahren in DS-CDMA Expired - Fee Related DE69937760T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP06883898A JP3856261B2 (ja) 1998-03-18 1998-03-18 同期検出装置
JP6883898 1998-03-18

Publications (2)

Publication Number Publication Date
DE69937760D1 true DE69937760D1 (de) 2008-01-24
DE69937760T2 DE69937760T2 (de) 2008-12-04

Family

ID=13385246

Family Applications (2)

Application Number Title Priority Date Filing Date
DE1999637760 Expired - Fee Related DE69937760T2 (de) 1998-03-18 1999-03-18 Synchronisationsdetektionsgerät und -verfahren in DS-CDMA
DE1999625188 Expired - Fee Related DE69925188T2 (de) 1998-03-18 1999-03-18 Synchronisationsdetektionsgerät und -verfahren in DS-CDMA

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE1999625188 Expired - Fee Related DE69925188T2 (de) 1998-03-18 1999-03-18 Synchronisationsdetektionsgerät und -verfahren in DS-CDMA

Country Status (6)

Country Link
US (1) US6385232B1 (de)
EP (2) EP1564900B1 (de)
JP (1) JP3856261B2 (de)
KR (1) KR100687700B1 (de)
CN (1) CN1284393C (de)
DE (2) DE69937760T2 (de)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6879575B1 (en) * 1998-05-13 2005-04-12 Hitachi, Ltd. Code division multiple access mobile communication system
AU767521B2 (en) * 1998-09-08 2003-11-13 Siemens Aktiengesellschaft Method for forming or detecting a signal sequence and transmitter unit and receiver unit
JP3964998B2 (ja) * 1999-01-14 2007-08-22 株式会社日立国際電気 移動局の受信機
JP3323453B2 (ja) * 1999-02-09 2002-09-09 松下電器産業株式会社 Ｃｄｍａ受信装置及びｃｄｍａ受信方法
JP3367475B2 (ja) * 1999-07-06 2003-01-14 日本電気株式会社 無線通信機および無線通信機の消費電力制御方法
KR100429545B1 (ko) * 1999-08-17 2004-04-28 삼성전자주식회사 이동통신 시스템의 스크램블링 부호의 식별자 통신방법
JP2001061176A (ja) * 1999-08-20 2001-03-06 Pioneer Electronic Corp 通信装置
KR20010035967A (ko) * 1999-10-05 2001-05-07 서평원 코드분할다중접속 시스템의 다중 사용자 신호 동기 획득 장치 및 그 방법
FI114887B (fi) 1999-10-13 2005-01-14 U Nav Microelectronics Corp Hajaspektrivastaanottimen signaalinhakujärjestelmä
FI111578B (fi) 1999-10-13 2003-08-15 U Nav Microelectronics Corp Korrelaattori
FI119011B (fi) 1999-10-13 2008-06-13 U Nav Microelectronics Corp Sovitettu suodatin ja hajaspektrivastaanotin
FI111579B (fi) 1999-10-13 2003-08-15 U Nav Microelectronics Corp Hajaspektrivastaanotin
JP3439399B2 (ja) 1999-10-14 2003-08-25 エヌイーシーマイクロシステム株式会社 Ｃｄｍａベースバンド受信装置
US6873649B1 (en) * 1999-11-12 2005-03-29 Itt Manufacturing Enterprises, Inc. Method and apparatus for detecting a stationary dither code
US6324210B1 (en) * 1999-12-17 2001-11-27 Golden Bridge Technology Incorporated Sliding matched filter with flexible hardware complexity
GB2369189C (en) * 2000-02-18 2008-06-24 Sensei Ltd Method of measuring the battery level in a mobile telephone
JP3808280B2 (ja) 2000-04-28 2006-08-09 富士通株式会社 同期確立装置と同期確立方法及び受信機
JP3473695B2 (ja) * 2000-08-30 2003-12-08 Ｎｅｃエレクトロニクス株式会社 Ｗ−ｃｄｍａシステムにおけるセルサーチ方法及び回路
KR100530782B1 (ko) 2000-11-06 2005-11-23 가부시키가이샤 엔.티.티.도코모 쇼트 코드 및 롱 코드를 사용하는 멀티캐리어 ｃｄｍａ방식의 이동 통신 시스템
CA2361247C (en) * 2000-11-06 2008-10-07 Ntt Docomo, Inc. Transmitter, transmitting method, receiver, and receiving method for mc-cdma communication system
WO2002043264A2 (en) * 2000-11-27 2002-05-30 Telefonaktiebolaget Lm Ericsson (Publ) Code synchronization in a mobile communication device
US7085313B2 (en) * 2001-02-17 2006-08-01 Koninklijke Philips Electronics N.V. Multiple channel joint decoding at mobile handset
JP2002247119A (ja) * 2001-02-20 2002-08-30 Advantest Corp シンボル点推定装置、方法、プログラム、および該プログラムを記録した記録媒体ならびに変調解析装置
US6535548B1 (en) * 2001-04-26 2003-03-18 Motorola, Inc. Mobile wireless communication devices for receiving spread spectrum signals and methods therefor
US7130331B2 (en) * 2001-06-01 2006-10-31 Qualcomm Incorporated Method and apparatus for searching time-division multiplexed synchronization sequences
JP3394530B2 (ja) * 2001-08-07 2003-04-07 松下電器産業株式会社 セルサーチ装置およびセルサーチ方法
DE10142102A1 (de) * 2001-08-30 2003-03-27 Schleifring Und Appbau Gmbh Vorrichtung zur störarmen Signalübertragung
JP2003188767A (ja) * 2001-12-13 2003-07-04 Oki Electric Ind Co Ltd 同期捕捉回路
US7050485B2 (en) * 2002-05-07 2006-05-23 Koninklijke Philips Electronics N.V. Iterative CDMA phase and frequency acquisition
US7292624B2 (en) * 2002-08-27 2007-11-06 Itt Manufacturing, Inc. Method and apparatus for robust acquisition of spread spectrum signals
EP1427116B1 (de) * 2002-12-04 2018-03-28 Nippon Telegraph And Telephone Corporation Spreizspektrumdemodulator
CA2433139C (en) * 2003-06-23 2012-03-27 Wavesat Wireless Inc. Synchronizing method and apparatus
KR100556862B1 (ko) * 2003-06-24 2006-03-10 엘지전자 주식회사 이동 통신단말기의 주파수 자동 조절 장치
US20070053415A1 (en) * 2003-09-03 2007-03-08 Koninklijke Philips Electronics, N.V. Method and system for receiving dsss signal
US7876738B2 (en) * 2004-03-02 2011-01-25 Nokia Corporation Preventing an incorrect synchronization between a received code-modulated signal and a replica code
US7362840B2 (en) * 2004-11-18 2008-04-22 Freescale Semiconductor Inc. Circuit and method for adjusting timing alignment using programmable codes
CN101043506B (zh) * 2006-03-20 2010-07-14 中兴通讯股份有限公司 一种自动判断接入业务类型的方法
JP4814698B2 (ja) * 2006-06-14 2011-11-16 Ｏｋｉセミコンダクタ株式会社 スペクトラム拡散受信機およびその方法
US8090007B1 (en) * 2006-09-26 2012-01-03 Rockwell Collins, Inc. Position-based modulation system and method
CN102016993B (zh) * 2009-01-06 2014-05-14 松下电器产业株式会社 补写型信息记录介质、信息记录装置及方法、信息再生装置及方法
WO2010079578A1 (ja) * 2009-01-07 2010-07-15 パナソニック株式会社 追記型情報記録媒体、情報記録装置、情報記録方法、情報再生装置および情報再生方法
US8599903B2 (en) * 2010-08-27 2013-12-03 Collision Communications, Inc. QR-RLS adaptive digital filter with 18-bit pipeline architecture
CN106464559B (zh) * 2014-05-26 2023-05-23 康西欧控股有限公司 用于分布式控制系统的高速嵌入式协议
JP6375250B2 (ja) * 2015-03-03 2018-08-15 パナソニック株式会社 レーダ装置
WO2018148864A1 (zh) * 2017-02-14 2018-08-23 华为技术有限公司 一种时钟同步方法及设备

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62190940A (ja) * 1986-02-17 1987-08-21 Nec Corp スペクトラム拡散通信方式
KR950704865A (ko) * 1993-09-06 1995-11-20 고지 오보시 슬라이딩 상관기
JP3003839B2 (ja) * 1993-11-08 2000-01-31 エヌ・ティ・ティ移動通信網株式会社 Ｃｄｍａ通信方法および装置
US5530716A (en) * 1994-06-30 1996-06-25 Motorola, Inc. Method and apparatus for identifying a coded communication signal
CA2184184C (en) * 1994-12-28 2000-05-30 Kenichi Higuchi Apparatus and method for establishing acquisition of spreading code in cdma transmission system
US5627855A (en) * 1995-05-25 1997-05-06 Golden Bridge Technology, Inc. Programmable two-part matched filter for spread spectrum
US5790588A (en) * 1995-06-07 1998-08-04 Ntt Mobile Communications Network, Inc. Spread spectrum transmitter and receiver employing composite spreading codes
EP0825737B1 (de) * 1996-03-05 2007-05-02 NTT DoCoMo, Inc. Signalübertragungsverfahren, sender und empfänger für ein mobiles kommunikationssystem
JPH09298490A (ja) * 1996-04-30 1997-11-18 Yozan:Kk スペクトル拡散通信方式
US6151353A (en) * 1996-07-12 2000-11-21 General Electric Company Pre-acquisition frequency offset removal in a GPS receiver
JP3376224B2 (ja) * 1996-10-23 2003-02-10 株式会社エヌ・ティ・ティ・ドコモ Ｄｓ−ｃｄｍａ基地局間非同期セルラ方式における初期同期方法および受信機
JP3373746B2 (ja) * 1997-01-07 2003-02-04 株式会社鷹山 Ｄｓ−ｃｄｍａ基地局間非同期セルラ方式における初期同期方法および受信機
US6205168B1 (en) * 1998-11-12 2001-03-20 Sharp Laboratories Of America, Inc. Sequential detection system and method with adaptive bias

Also Published As

Publication number Publication date
EP0944178B1 (de) 2005-05-11
DE69925188T2 (de) 2006-03-02
KR100687700B1 (ko) 2007-02-27
CN1236280A (zh) 1999-11-24
DE69925188D1 (de) 2005-06-16
DE69937760T2 (de) 2008-12-04
US6385232B1 (en) 2002-05-07
KR19990077981A (ko) 1999-10-25
JP3856261B2 (ja) 2006-12-13
JPH11266181A (ja) 1999-09-28
CN1284393C (zh) 2006-11-08
EP0944178A3 (de) 2003-04-02
EP1564900B1 (de) 2007-12-12
EP1564900A1 (de) 2005-08-17
EP0944178A2 (de) 1999-09-22

Similar Documents

Publication Publication Date Title
DE69925188D1 (de) Synchronisationsdetektionsgerät und -verfahren in DS-CDMA
DE60045044D1 (de) Angesichtsphotographiervorrichtung und -verfahren
GB0004354D0 (en) Apparatus and method
GB2364428B (en) Editing apparatus and editing method
FI965091A0 (fi) Laskentamenetelmä ja -laite
DE69934116D1 (de) Bauteilerkennungsverfahren und -vorrichtung
GB2366030B (en) Correlation function measuring method and apparatus
GB2333155B (en) Seismic detection apparatus and method
GB9803183D0 (en) Apparatus and method
EP1333910A4 (de) Elektrophoresevorrichtung und -verfahren
DE69933908D1 (de) Abbildungsvorrichtung und -Verfahren
DE69515600D1 (de) Synchronisationsvorrichtung und -verfahren
GB9811425D0 (en) Apparatus and method
GB0307289D0 (en) Browsing method and apparatus
GB9919611D0 (en) Apparatus and method
GB2362075B (en) Detection apparatus and method therefor
GB9822769D0 (en) Method and apparatus
GB9929737D0 (en) Method and apparatus
GB9804246D0 (en) Electropermeabilisation method and apparatus
SE0004783D0 (sv) Synchronization method and apparatus
GB9708750D0 (en) Detection method and apparatus
GB9811179D0 (en) Apparatus and method
GB9815240D0 (en) Apparatus and method
GB9825680D0 (en) Apparatus and method
GB9827357D0 (en) Method and apparatus

Legal Events

Date Code Title Description
8381 Inventor (new situation)

Inventor name: TERASHIMA, KAZUHIKO, TOKYO, JP

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee