ATE255299T1 - Anordnung und verfahren zur ausführung einer zeitschlitzsyncronisation in einem breitband-cdma system in anwesenheit bedeutender anfangsfrequenzfehler - Google Patents

Anordnung und verfahren zur ausführung einer zeitschlitzsyncronisation in einem breitband-cdma system in anwesenheit bedeutender anfangsfrequenzfehler

Info

Publication number
ATE255299T1
ATE255299T1 AT00919737T AT00919737T ATE255299T1 AT E255299 T1 ATE255299 T1 AT E255299T1 AT 00919737 T AT00919737 T AT 00919737T AT 00919737 T AT00919737 T AT 00919737T AT E255299 T1 ATE255299 T1 AT E255299T1
Authority
AT
Austria
Prior art keywords
time slot
initial frequency
cdma system
frequency errors
time index
Prior art date
Application number
AT00919737T
Other languages
English (en)
Inventor
Yi-Pin Eric Wang
Original Assignee
Ericsson Inc
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 Ericsson Inc filed Critical Ericsson Inc
Application granted granted Critical
Publication of ATE255299T1 publication Critical patent/ATE255299T1/de

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
    • 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
    • H04B1/70754—Setting of search window, i.e. range of code offsets to be searched
    • 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
    • H04B1/7097—Interference-related aspects
    • 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
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Color Television Systems (AREA)
  • Burglar Alarm Systems (AREA)
AT00919737T 1999-04-19 2000-03-28 Anordnung und verfahren zur ausführung einer zeitschlitzsyncronisation in einem breitband-cdma system in anwesenheit bedeutender anfangsfrequenzfehler ATE255299T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/294,644 US6404758B1 (en) 1999-04-19 1999-04-19 System and method for achieving slot synchronization in a wideband CDMA system in the presence of large initial frequency errors
PCT/US2000/008187 WO2000064066A1 (en) 1999-04-19 2000-03-28 System and method for achieving slot synchronization in a wideband cdma system in the presence of large initial frequency errors

Publications (1)

Publication Number Publication Date
ATE255299T1 true ATE255299T1 (de) 2003-12-15

Family

ID=23134315

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00919737T ATE255299T1 (de) 1999-04-19 2000-03-28 Anordnung und verfahren zur ausführung einer zeitschlitzsyncronisation in einem breitband-cdma system in anwesenheit bedeutender anfangsfrequenzfehler

Country Status (12)

Country Link
US (1) US6404758B1 (de)
EP (1) EP1173933B1 (de)
JP (1) JP2002542709A (de)
CN (1) CN1210877C (de)
AT (1) ATE255299T1 (de)
AU (1) AU4037400A (de)
DE (1) DE60006797T2 (de)
HK (1) HK1046072B (de)
IL (2) IL146036A0 (de)
MY (1) MY119703A (de)
TR (1) TR200103034T2 (de)
WO (1) WO2000064066A1 (de)

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US7039372B1 (en) 1998-10-21 2006-05-02 Parkervision, Inc. Method and system for frequency up-conversion with modulation embodiments
US6813485B2 (en) * 1998-10-21 2004-11-02 Parkervision, Inc. Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same
US6370371B1 (en) 1998-10-21 2002-04-09 Parkervision, Inc. Applications of universal frequency translation
US6853690B1 (en) 1999-04-16 2005-02-08 Parkervision, Inc. Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments
US6879817B1 (en) 1999-04-16 2005-04-12 Parkervision, Inc. DC offset, re-radiation, and I/Q solutions using universal frequency translation technology
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
US7693230B2 (en) 1999-04-16 2010-04-06 Parkervision, Inc. Apparatus and method of differential IQ frequency up-conversion
US7110444B1 (en) 1999-08-04 2006-09-19 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations
US7065162B1 (en) 1999-04-16 2006-06-20 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same
US6363060B1 (en) * 1999-06-30 2002-03-26 Qualcomm Incorporated Method and apparatus for fast WCDMA acquisition
DE19933542A1 (de) * 1999-07-16 2001-01-25 Siemens Ag Verfahren und Vorrichtung zur Synchronisation von Mobilfunkempfängern in einem Mobilfunksystem
US8295406B1 (en) 1999-08-04 2012-10-23 Parkervision, Inc. Universal platform module for a plurality of communication protocols
KR20010028099A (ko) * 1999-09-17 2001-04-06 박종섭 코드 분할 다중 접속방식을 이용한 수신기에서의 동기 추적장치 및 그 방법
US6665288B1 (en) * 1999-11-08 2003-12-16 Ericsson Inc. Method and apparatus for reducing synchronization code interference in CDMA communications systems
US7010286B2 (en) 2000-04-14 2006-03-07 Parkervision, Inc. Apparatus, system, and method for down-converting and up-converting electromagnetic signals
US6721295B1 (en) * 2000-08-25 2004-04-13 Texas Instruments Incorporated Triple data system for high data rate communication systems
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US7010559B2 (en) * 2000-11-14 2006-03-07 Parkervision, Inc. Method and apparatus for a parallel correlator and applications thereof
US7454453B2 (en) 2000-11-14 2008-11-18 Parkervision, Inc. Methods, systems, and computer program products for parallel correlation and applications thereof
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WO2002043264A2 (en) * 2000-11-27 2002-05-30 Telefonaktiebolaget Lm Ericsson (Publ) Code synchronization in a mobile communication device
US7068984B2 (en) * 2001-06-15 2006-06-27 Telefonaktiebolaget Lm Ericsson (Publ) Systems and methods for amplification of a communication signal
US7072427B2 (en) 2001-11-09 2006-07-04 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
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Also Published As

Publication number Publication date
HK1046072B (zh) 2006-03-03
EP1173933B1 (de) 2003-11-26
CN1210877C (zh) 2005-07-13
CN1347596A (zh) 2002-05-01
EP1173933A1 (de) 2002-01-23
TR200103034T2 (tr) 2002-05-21
WO2000064066A1 (en) 2000-10-26
DE60006797D1 (de) 2004-01-08
MY119703A (en) 2005-06-30
US6404758B1 (en) 2002-06-11
IL146036A (en) 2006-08-01
HK1046072A1 (en) 2002-12-20
JP2002542709A (ja) 2002-12-10
DE60006797T2 (de) 2004-09-30
AU4037400A (en) 2000-11-02
IL146036A0 (en) 2002-07-25

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