DE60045265D1 - Anordnung und Verfahren zur drahtlosen Kommunikation - Google Patents

Anordnung und Verfahren zur drahtlosen Kommunikation

Info

Publication number
DE60045265D1
DE60045265D1 DE60045265T DE60045265T DE60045265D1 DE 60045265 D1 DE60045265 D1 DE 60045265D1 DE 60045265 T DE60045265 T DE 60045265T DE 60045265 T DE60045265 T DE 60045265T DE 60045265 D1 DE60045265 D1 DE 60045265D1
Authority
DE
Germany
Prior art keywords
dwell
correlations
delays
window
sequence
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
DE60045265T
Other languages
English (en)
Inventor
Dotan Sokolov
David Ben-Eli
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.)
DSPC Technologies Ltd
Original Assignee
DSPC Technologies 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 DSPC Technologies Ltd filed Critical DSPC Technologies Ltd
Application granted granted Critical
Publication of DE60045265D1 publication Critical patent/DE60045265D1/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
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/7077—Multi-step acquisition, e.g. multi-dwell, coarse-fine or validation
    • H04B1/70775—Multi-dwell schemes, i.e. multiple accumulation times
    • 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
    • H04B1/70756—Jumping within the code, i.e. masking or slewing
    • 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
    • H04B1/708—Parallel implementation
    • 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
    • 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
    • H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
    • 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
    • H04B2201/70702—Intercell-related aspects
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Facsimile Transmission Control (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE60045265T 1999-06-03 2000-06-02 Anordnung und Verfahren zur drahtlosen Kommunikation Expired - Lifetime DE60045265D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/324,515 US6307878B1 (en) 1999-06-03 1999-06-03 Cellular telephony searcher

Publications (1)

Publication Number Publication Date
DE60045265D1 true DE60045265D1 (de) 2010-12-30

Family

ID=23263940

Family Applications (2)

Application Number Title Priority Date Filing Date
DE60024570T Expired - Lifetime DE60024570T2 (de) 1999-06-03 2000-06-02 Suchgerät für zellulare telefonie
DE60045265T Expired - Lifetime DE60045265D1 (de) 1999-06-03 2000-06-02 Anordnung und Verfahren zur drahtlosen Kommunikation

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE60024570T Expired - Lifetime DE60024570T2 (de) 1999-06-03 2000-06-02 Suchgerät für zellulare telefonie

Country Status (8)

Country Link
US (2) US6307878B1 (de)
EP (2) EP1555763B1 (de)
CN (1) CN1260933C (de)
AT (1) ATE312437T1 (de)
AU (1) AU5178100A (de)
BR (1) BR0006175A (de)
DE (2) DE60024570T2 (de)
WO (1) WO2000076164A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2915201A (en) * 1999-12-30 2001-07-16 Morphics Technology, Inc. A fast initial acquisition and search device for a spread spectrum communicationsystem
US7392045B2 (en) * 2002-01-15 2008-06-24 Marvell International Ltd. Method and apparatus for searching for a base station using an adaptable search window
TWI320666B (en) * 2002-04-12 2010-02-11 Interdigital Tech Corp An access burst detector for use in a node b/base station
KR100810346B1 (ko) * 2002-05-25 2008-03-07 삼성전자주식회사 이동통신 단말기의 256-탭 정합필터링 장치 및 방법
US8064552B2 (en) * 2008-06-02 2011-11-22 Harris Corporation Adaptive correlation
US8711902B2 (en) 2009-01-15 2014-04-29 Nec Corporation Synchronization processing circuit and synchronization processing method in wireless communication system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5016255A (en) * 1989-08-07 1991-05-14 Omnipoint Data Company, Incorporated Asymmetric spread spectrum correlator
US5157408A (en) * 1990-05-25 1992-10-20 Navcom Defence Electronics, Inc. Low probability of interception relative position determination system
DE4025004A1 (de) * 1990-08-07 1992-02-13 Standard Elektrik Lorenz Ag Schaltungsanordnung zum regenerieren und synchronisieren eines digitalen signals
JPH04347943A (ja) * 1990-11-13 1992-12-03 Ricoh Co Ltd スペクトル拡散通信方式及び同期方式並びに変復調方式
US5390207A (en) * 1990-11-28 1995-02-14 Novatel Communications Ltd. Pseudorandom noise ranging receiver which compensates for multipath distortion by dynamically adjusting the time delay spacing between early and late correlators
US5222100A (en) * 1992-06-24 1993-06-22 Unisys Corporation Range based acquisition system
JP2800797B2 (ja) * 1996-08-12 1998-09-21 日本電気株式会社 スペクトル拡散通信方式

Also Published As

Publication number Publication date
ATE312437T1 (de) 2005-12-15
EP1555763B1 (de) 2010-11-17
BR0006175A (pt) 2001-04-17
CN1260933C (zh) 2006-06-21
DE60024570D1 (de) 2006-01-12
DE60024570T2 (de) 2006-06-14
USRE39540E1 (en) 2007-04-03
AU5178100A (en) 2000-12-28
WO2000076164A1 (en) 2000-12-14
EP1103126A1 (de) 2001-05-30
EP1103126A4 (de) 2004-06-16
US6307878B1 (en) 2001-10-23
EP1103126B1 (de) 2005-12-07
EP1555763A1 (de) 2005-07-20
CN1310904A (zh) 2001-08-29

Similar Documents

Publication Publication Date Title
US7154973B2 (en) Spreading code synchronization method, receiver, and mobile station
NO20035741D0 (no) Forbedret apparat og fremgangsmåte for å utföre initielt sök i trådlöse kommunikasjonssystemer
ZA955939B (en) Method and apparatus for performing search acquisition in a CDMA communications system
EP0821495A3 (de) Verfahren und Gerät zum Empfangen von CDMA Funkübertragungssignalen
WO2001056199A8 (en) Method and apparatus for processing a secondary synchronization channel in a spread spectrum system
WO2000078083A1 (fr) Procede de mise a jour des informations d'une station de base peripherique, procede de commande d'informations pour recherche cellulaire dans systeme de communications mobile, procede de recherche cellulaire dans une station mobile, systeme de communications mobile, station de base et station de commande
KR970707696A (ko) 셀룰라 통신 시스템을 위한 파일럿 신호 탐색 기술(pilot signal searching technique for a cellular communications system)
EP1211816B1 (de) CDMA Mobilfunkgerät und bezugliche benutze Methode für die Basisstationerkennung
EP2259437A3 (de) Verfahren und Vorrichtung zur Suche nach Pilotensignalen mittels eines signalangepasstens Filters
JP2001145151A (ja) Ｄｓ−ｃｄｍａ基地局間非同期セルラにおける初期同期方法
US8761081B2 (en) Method and apparatus for cell searching in asynchronous CDMA systems
DE60045265D1 (de) Anordnung und Verfahren zur drahtlosen Kommunikation
JP2000358266A (ja) 移動通信システムにおけるセルサーチのための情報管理法、移動局のセルサーチ法、基地局、上位局および移動局ならびに移動通信システム
AU2004201497B2 (en) Spreading Code Synchronization Method, Receiver, and Mobile Station
KR100669600B1 (ko) 이동통신시스템에서 이동국 동기화 방법.
JP2003188807A (ja) 無線通信装置
EP1826933A3 (de) Vorrichtung und Verfahren zum Ausführen einer Anfangszellensuche in einem drahtlosen Kommunikationssystem
KR20000042688A (ko) 이동국에서의 기지국 부호탐색방법 및 이동국 수신장치
KR19990033607A (ko) 짧은 주기 확장형 골드 코드를 이용하는 광대역 부호 분할 다중접속 방식용 기지국 비동기 방법
KR20060099853A (ko) 초기 셀 탐색 방법