DE69930186D1 - Verzögerungsverriegelungsschleifennachführung für Direktsequenzspreizspektrumsignale - Google Patents

Verzögerungsverriegelungsschleifennachführung für Direktsequenzspreizspektrumsignale

Info

Publication number
DE69930186D1
DE69930186D1 DE69930186T DE69930186T DE69930186D1 DE 69930186 D1 DE69930186 D1 DE 69930186D1 DE 69930186 T DE69930186 T DE 69930186T DE 69930186 T DE69930186 T DE 69930186T DE 69930186 D1 DE69930186 D1 DE 69930186D1
Authority
DE
Germany
Prior art keywords
spread spectrum
lock loop
direct sequence
sequence spread
spectrum signals
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 - Lifetime
Application number
DE69930186T
Other languages
English (en)
Other versions
DE69930186T2 (de
Inventor
Gen Motoyoshi
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Publication of DE69930186D1 publication Critical patent/DE69930186D1/de
Application granted granted Critical
Publication of DE69930186T2 publication Critical patent/DE69930186T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Mobile Radio Communication Systems (AREA)
DE1999630186 1998-09-08 1999-09-07 Verzögerungsverriegelungsschleifennachführung für Direktsequenzspreizspektrumsignale Expired - Lifetime DE69930186T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP25383898 1998-09-08
JP25383898A JP3092598B2 (ja) 1998-09-08 1998-09-08 移動通信装置及び移動通信方法

Publications (2)

Publication Number Publication Date
DE69930186D1 true DE69930186D1 (de) 2006-05-04
DE69930186T2 DE69930186T2 (de) 2006-11-23

Family

ID=17256845

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1999630186 Expired - Lifetime DE69930186T2 (de) 1998-09-08 1999-09-07 Verzögerungsverriegelungsschleifennachführung für Direktsequenzspreizspektrumsignale

Country Status (7)

Country Link
US (1) US6683929B1 (de)
EP (1) EP0986185B1 (de)
JP (1) JP3092598B2 (de)
KR (1) KR100307007B1 (de)
CN (1) CN1129259C (de)
BR (1) BR9907465A (de)
DE (1) DE69930186T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4308105B2 (ja) * 2004-08-23 2009-08-05 Ｏｋｉセミコンダクタ株式会社 同期追従回路
CN101373212B (zh) * 2007-08-22 2011-09-14 锐迪科微电子（上海）有限公司 基于快速傅立叶变换的卫星信号跟踪方法及应用其的接收机
KR102392479B1 (ko) * 2017-03-14 2022-04-28 아너 디바이스 컴퍼니 리미티드 단말기 하우징 및 단말기
CN110446602B (zh) * 2017-03-29 2021-07-27 东洋钢钣株式会社 轧制接合体
JP6438562B1 (ja) * 2017-06-13 2018-12-12 東洋鋼鈑株式会社 圧延接合体及びその製造方法
CN112422119A (zh) * 2020-10-27 2021-02-26 天津市英贝特航天科技有限公司 用于三重四极质谱仪中射频发生系统的相位同步方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2720076B2 (ja) * 1989-07-17 1998-02-25 京セラ株式会社 直接スペクトラム拡散受信機の自動校正装置
JPH05344092A (ja) 1992-06-08 1993-12-24 Sony Corp 受信装置
JPH0629948A (ja) * 1992-07-09 1994-02-04 Toyo Commun Equip Co Ltd 同期追従回路
JP2745995B2 (ja) 1992-09-10 1998-04-28 日本電気株式会社 スペクトラム拡散復調装置
CA2151737C (en) * 1993-10-14 1999-09-28 Tomohiro Dohi Correlation detector and communication apparatus
JPH07154296A (ja) * 1993-11-26 1995-06-16 Sanyo Electric Co Ltd スペクトル拡散通信システムおよびスペクトル拡散受信装置
JPH07162340A (ja) * 1993-12-10 1995-06-23 Yamaha Corp スペクトラム拡散通信用同期追跡回路
GB2292053B (en) * 1994-07-28 1998-08-26 Roke Manor Research Synchronisation apparatus
US5953367A (en) * 1995-08-09 1999-09-14 Magellan Corporation Spread spectrum receiver using a pseudo-random noise code for ranging applications in a way that reduces errors when a multipath signal is present
KR0150279B1 (ko) 1995-12-18 1998-11-02 양승택 코드확산 통신시스템의 수신기에서의 코드 추적기
US6198765B1 (en) * 1996-04-25 2001-03-06 Sirf Technologies, Inc. Spread spectrum receiver with multi-path correction
JP2858561B2 (ja) 1996-05-30 1999-02-17 日本電気株式会社 デジタルｄｌｌ回路
JPH1188231A (ja) * 1997-09-03 1999-03-30 Kokusai Electric Co Ltd スペクトラム拡散通信の同期確立および保持方式
US6345068B1 (en) * 1998-09-16 2002-02-05 Infineon Technologies Ag Hierarchical delay lock loop code tracking system with multipath correction
US6201828B1 (en) * 1998-11-12 2001-03-13 Nortel Networks Limited Fine estimation of multipath delays in spread-spectrum signals

Also Published As

Publication number Publication date
US6683929B1 (en) 2004-01-27
CN1248111A (zh) 2000-03-22
KR20000022965A (ko) 2000-04-25
BR9907465A (pt) 2000-08-08
JP3092598B2 (ja) 2000-09-25
EP0986185B1 (de) 2006-03-08
JP2000091950A (ja) 2000-03-31
EP0986185A2 (de) 2000-03-15
KR100307007B1 (ko) 2001-11-07
CN1129259C (zh) 2003-11-26
DE69930186T2 (de) 2006-11-23
EP0986185A3 (de) 2003-05-28

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