ZA966011B - Adaptive despreader - Google Patents

Adaptive despreader

Info

Publication number
ZA966011B
ZA966011B ZA966011A ZA966011A ZA966011B ZA 966011 B ZA966011 B ZA 966011B ZA 966011 A ZA966011 A ZA 966011A ZA 966011 A ZA966011 A ZA 966011A ZA 966011 B ZA966011 B ZA 966011B
Authority
ZA
South Africa
Prior art keywords
adaptive despreader
despreader
adaptive
Prior art date
Application number
ZA966011A
Other languages
English (en)
Inventor
Arthur Ross
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of ZA966011B publication Critical patent/ZA966011B/xx

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
    • H04B1/7097—Interference-related aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
    • H04L25/03038—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03439—Fixed structures
    • H04L2025/03445—Time domain
    • H04L2025/03471—Tapped delay lines
    • H04L2025/03477—Tapped delay lines not time-recursive
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03592—Adaptation methods
    • H04L2025/03598—Algorithms
    • H04L2025/03611—Iterative algorithms
    • H04L2025/03617—Time recursive algorithms

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Noise Elimination (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
ZA966011A 1995-07-31 1996-07-15 Adaptive despreader ZA966011B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/509,722 US5692006A (en) 1995-07-31 1995-07-31 Adaptive despreader

Publications (1)

Publication Number Publication Date
ZA966011B true ZA966011B (en) 1997-01-31

Family

ID=24027839

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA966011A ZA966011B (en) 1995-07-31 1996-07-15 Adaptive despreader

Country Status (17)

Country Link
US (1) US5692006A (ja)
EP (1) EP0842568B1 (ja)
JP (2) JP3241739B2 (ja)
KR (1) KR19990036012A (ja)
CN (1) CN1091554C (ja)
AR (1) AR003021A1 (ja)
AT (1) ATE279814T1 (ja)
AU (1) AU6715896A (ja)
BR (1) BR9609939A (ja)
CA (1) CA2228131A1 (ja)
DE (1) DE69633625T2 (ja)
FI (1) FI980162A (ja)
HK (1) HK1010952A1 (ja)
MX (1) MX9800853A (ja)
TW (1) TW322667B (ja)
WO (1) WO1997005709A1 (ja)
ZA (1) ZA966011B (ja)

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US6314130B1 (en) 1999-04-28 2001-11-06 Dspc Technologies, Ltd. System and method for joint time tracking of multiple paths
US6760438B1 (en) * 1999-07-01 2004-07-06 Nortel Networks Limited System and method for Viterbi decoding on encrypted data
DE60033892T2 (de) 1999-07-30 2007-12-13 Koninklijke Philips Electronics N.V. Vorrichtung zur Spreizspektrumdatenübertragung mit einem Datenempfänger
JP4221847B2 (ja) 1999-10-25 2009-02-12 パナソニック電工株式会社 プラズマ処理装置及びプラズマ点灯方法
US6944217B1 (en) 2000-02-01 2005-09-13 International Business Machines Corporation Interleaved finite impulse response filter
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US6522683B1 (en) * 2000-08-10 2003-02-18 Qualcomm, Incorporated Method and apparatus for adaptive linear equalization for walsh covered modulation
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US9648444B2 (en) 2014-01-06 2017-05-09 Brian G. Agee Physically secure digital signal processing for wireless M2M networks
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Also Published As

Publication number Publication date
AU6715896A (en) 1997-02-26
BR9609939A (pt) 1999-06-08
WO1997005709A1 (en) 1997-02-13
JP2001352277A (ja) 2001-12-21
FI980162A (fi) 1998-03-30
CA2228131A1 (en) 1997-02-13
DE69633625T2 (de) 2005-10-27
MX9800853A (es) 1998-04-30
HK1010952A1 (en) 1999-07-02
CN1192830A (zh) 1998-09-09
TW322667B (ja) 1997-12-11
EP0842568A1 (en) 1998-05-20
EP0842568B1 (en) 2004-10-13
JPH11510343A (ja) 1999-09-07
ATE279814T1 (de) 2004-10-15
US5692006A (en) 1997-11-25
CN1091554C (zh) 2002-09-25
JP3241739B2 (ja) 2001-12-25
FI980162A0 (fi) 1998-01-26
DE69633625D1 (de) 2004-11-18
AR003021A1 (es) 1998-05-27
KR19990036012A (ko) 1999-05-25

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