DE69925692D1 - Sequentielles Detektionssystem und Verfahren mit anpassbarem Arbeitspunkt - Google Patents

Sequentielles Detektionssystem und Verfahren mit anpassbarem Arbeitspunkt

Info

Publication number
DE69925692D1
DE69925692D1 DE69925692T DE69925692T DE69925692D1 DE 69925692 D1 DE69925692 D1 DE 69925692D1 DE 69925692 T DE69925692 T DE 69925692T DE 69925692 T DE69925692 T DE 69925692T DE 69925692 D1 DE69925692 D1 DE 69925692D1
Authority
DE
Germany
Prior art keywords
detection system
operating point
sequential detection
adaptable operating
adaptable
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
DE69925692T
Other languages
English (en)
Other versions
DE69925692T2 (de
Inventor
Srinivasa V Somayazulu
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Publication of DE69925692D1 publication Critical patent/DE69925692D1/de
Application granted granted Critical
Publication of DE69925692T2 publication Critical patent/DE69925692T2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
DE69925692T 1998-11-12 1999-11-12 Sequentielles Detektionssystem und Verfahren mit anpassbarem Arbeitspunkt Expired - Fee Related DE69925692T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/191,461 US6205168B1 (en) 1998-11-12 1998-11-12 Sequential detection system and method with adaptive bias
US191461 1998-11-12

Publications (2)

Publication Number Publication Date
DE69925692D1 true DE69925692D1 (de) 2005-07-14
DE69925692T2 DE69925692T2 (de) 2006-03-23

Family

ID=22705592

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69925692T Expired - Fee Related DE69925692T2 (de) 1998-11-12 1999-11-12 Sequentielles Detektionssystem und Verfahren mit anpassbarem Arbeitspunkt

Country Status (4)

Country Link
US (1) US6205168B1 (de)
EP (1) EP1001550B1 (de)
JP (1) JP2000152312A (de)
DE (1) DE69925692T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3856261B2 (ja) * 1998-03-18 2006-12-13 ソニー株式会社 同期検出装置
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
US6359925B1 (en) 1999-03-09 2002-03-19 Linex Technologies, Inc. Relative-signal-level data detection from a spread-spectrum signal using matched-filter obtained side information
US6366605B1 (en) 1999-03-09 2002-04-02 Linex Technologies, Inc. Spread-spectrum data detection using matched-filter obtained side information
US6618375B2 (en) * 1999-09-13 2003-09-09 Qualcomm, Incorporated Radio link protocol frame sorting mechanism for dynamic capacity wireless data channels
US6414951B1 (en) * 1999-10-08 2002-07-02 Interdigital Technology Corporation Method for detecting short codes in CDMA systems
US6477162B1 (en) * 2000-03-31 2002-11-05 Qualcomm, Incorporated Dynamically adjusting integration interval based on a signal strength
KR100342496B1 (ko) * 2000-09-08 2002-06-28 윤종용 고속 서처의 직교확산부호 가설 변경 장치 및 방법
US6535548B1 (en) * 2001-04-26 2003-03-18 Motorola, Inc. Mobile wireless communication devices for receiving spread spectrum signals and methods therefor
US7095710B2 (en) * 2001-12-21 2006-08-22 Qualcomm Decoding using walsh space information
TWI271054B (en) * 2002-03-25 2007-01-11 Interdigital Tech Corp Apparatus for blind code detection
KR100889920B1 (ko) * 2002-06-27 2009-03-24 주식회사 케이티 적응형 임계치 방식을 적용한 기지국 고속 검색 장치 및그 방법
EP1378854B1 (de) * 2002-07-01 2007-12-26 Mitsubishi Electric Information Technology Centre Europe B.V. Bestimmung der statistischen Analyse von Signalen
KR100622149B1 (ko) * 2004-11-25 2006-09-19 주식회사 팬택 비동기 방식 광대역 부호분할다중접속 시스템에서의코드그룹 획득 장치 및 방법

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4387465A (en) 1981-04-13 1983-06-07 Trw Inc. Sequential threshold detector
CA2151737C (en) 1993-10-14 1999-09-28 Tomohiro Dohi Correlation detector and communication apparatus
US5691974A (en) * 1995-01-04 1997-11-25 Qualcomm Incorporated Method and apparatus for using full spectrum transmitted power in a spread spectrum communication system for tracking individual recipient phase, time and energy
US6049535A (en) * 1996-06-27 2000-04-11 Interdigital Technology Corporation Code division multiple access (CDMA) communication system
US5642377A (en) 1995-07-25 1997-06-24 Nokia Mobile Phones, Ltd. Serial search acquisition system with adaptive threshold and optimal decision for spread spectrum systems
EP0825737B1 (de) * 1996-03-05 2007-05-02 NTT DoCoMo, Inc. Signalübertragungsverfahren, sender und empfänger für ein mobiles kommunikationssystem
US5950131A (en) * 1996-10-29 1999-09-07 Motorola, Inc. Method and apparatus for fast pilot channel acquisition using a matched filter in a CDMA radiotelephone
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
US6064690A (en) * 1997-05-13 2000-05-16 Yozan Inc. Spread spectrum communication system
US6085104A (en) * 1998-03-25 2000-07-04 Sharp Laboratories Of America, Inc. Pilot aided, time-varying finite impulse response, adaptive channel matching receiving system and method

Also Published As

Publication number Publication date
JP2000152312A (ja) 2000-05-30
EP1001550A3 (de) 2003-04-16
US6205168B1 (en) 2001-03-20
DE69925692T2 (de) 2006-03-23
EP1001550B1 (de) 2005-06-08
EP1001550A2 (de) 2000-05-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee