TW428375B - Search window delay tracking in code division multiple access communication systems - Google Patents

Search window delay tracking in code division multiple access communication systems

Info

Publication number
TW428375B
TW428375B TW088105529A TW88105529A TW428375B TW 428375 B TW428375 B TW 428375B TW 088105529 A TW088105529 A TW 088105529A TW 88105529 A TW88105529 A TW 88105529A TW 428375 B TW428375 B TW 428375B
Authority
TW
Taiwan
Prior art keywords
delay
error
search window
cir
mean
Prior art date
Application number
TW088105529A
Other languages
English (en)
Inventor
Branislav Popovic
Georg Frank
Matthias Schulist
Goran Klang
Original Assignee
Ericsson Telefon Ab L M
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 Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of TW428375B publication Critical patent/TW428375B/zh

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
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • 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
    • 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
    • H04B1/7113—Determination of path profile
    • 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
    • H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Noise Elimination (AREA)
TW088105529A 1998-05-01 1999-04-07 Search window delay tracking in code division multiple access communication systems TW428375B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/070,778 US6370397B1 (en) 1998-05-01 1998-05-01 Search window delay tracking in code division multiple access communication systems

Publications (1)

Publication Number Publication Date
TW428375B true TW428375B (en) 2001-04-01

Family

ID=22097337

Family Applications (1)

Application Number Title Priority Date Filing Date
TW088105529A TW428375B (en) 1998-05-01 1999-04-07 Search window delay tracking in code division multiple access communication systems

Country Status (11)

Country Link
US (1) US6370397B1 (zh)
EP (1) EP1082820B1 (zh)
JP (1) JP4242563B2 (zh)
KR (1) KR100689993B1 (zh)
CN (1) CN1135725C (zh)
AR (1) AR016244A1 (zh)
AU (1) AU755811B2 (zh)
CA (1) CA2330926C (zh)
DE (1) DE69932929T2 (zh)
TW (1) TW428375B (zh)
WO (1) WO1999057819A1 (zh)

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Also Published As

Publication number Publication date
KR100689993B1 (ko) 2007-03-08
JP4242563B2 (ja) 2009-03-25
CN1308790A (zh) 2001-08-15
AR016244A1 (es) 2001-06-20
DE69932929D1 (de) 2006-10-05
WO1999057819A1 (en) 1999-11-11
US6370397B1 (en) 2002-04-09
JP2002514032A (ja) 2002-05-14
CN1135725C (zh) 2004-01-21
EP1082820A1 (en) 2001-03-14
AU4302699A (en) 1999-11-23
EP1082820B1 (en) 2006-08-23
KR20010043229A (ko) 2001-05-25
CA2330926C (en) 2010-02-02
AU755811B2 (en) 2002-12-19
DE69932929T2 (de) 2007-04-19
CA2330926A1 (en) 1999-11-11

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