DE60119602D1 - Korrelator Koprozessor für CDMA Rake-Empfänger - Google Patents

Korrelator Koprozessor für CDMA Rake-Empfänger

Info

Publication number
DE60119602D1
DE60119602D1 DE60119602T DE60119602T DE60119602D1 DE 60119602 D1 DE60119602 D1 DE 60119602D1 DE 60119602 T DE60119602 T DE 60119602T DE 60119602 T DE60119602 T DE 60119602T DE 60119602 D1 DE60119602 D1 DE 60119602D1
Authority
DE
Germany
Prior art keywords
rake receiver
cdma rake
correlator coprocessor
coprocessor
correlator
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
DE60119602T
Other languages
English (en)
Other versions
DE60119602T2 (de
Inventor
Katherine G Brown
Sundararajan Sriram
Francis Honore
Yuan Kang Lee
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.)
Texas Instruments Inc
Original Assignee
Texas Instruments 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 Texas Instruments Inc filed Critical Texas Instruments Inc
Application granted granted Critical
Publication of DE60119602D1 publication Critical patent/DE60119602D1/de
Publication of DE60119602T2 publication Critical patent/DE60119602T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7097Interference-related aspects
    • H04B1/711Interference-related aspects the interference being multi-path interference
    • H04B1/7115Constructive combining of multi-path signals, i.e. RAKE receivers
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10Complex mathematical operations
    • G06F17/15Correlation function computation including computation of convolution operations
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/709Correlator structure
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7073Synchronisation aspects
    • H04B1/7075Synchronisation aspects with code phase acquisition
    • H04B1/70751Synchronisation aspects with code phase acquisition using partial detection
    • H04B1/70752Partial correlation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B2001/70706Spread spectrum techniques using direct sequence modulation using a code tracking loop, e.g. a delay locked loop
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B2201/00Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70707Efficiency-related aspects
    • H04B2201/7071Efficiency-related aspects with dynamic control of receiver resources
    • H04B2201/70711Efficiency-related aspects with dynamic control of receiver resources with modular structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Signal Processing (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Mathematical Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Algebra (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Databases & Information Systems (AREA)
  • Computing Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
DE60119602T 2000-02-18 2001-02-19 Korrelator Koprozessor für CDMA Rake-Empfänger Expired - Lifetime DE60119602T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US607410 1984-05-07
US18345700P 2000-02-18 2000-02-18
US183457P 2000-02-18
US09/607,410 US6650694B1 (en) 2000-02-18 2000-06-30 Correlator co-processor for CDMA RAKE receiver operations

Publications (2)

Publication Number Publication Date
DE60119602D1 true DE60119602D1 (de) 2006-06-22
DE60119602T2 DE60119602T2 (de) 2007-05-03

Family

ID=26879139

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60119602T Expired - Lifetime DE60119602T2 (de) 2000-02-18 2001-02-19 Korrelator Koprozessor für CDMA Rake-Empfänger

Country Status (4)

Country Link
US (1) US6650694B1 (de)
EP (1) EP1128565B1 (de)
JP (1) JP2001285140A (de)
DE (1) DE60119602T2 (de)

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Also Published As

Publication number Publication date
EP1128565A3 (de) 2004-01-02
JP2001285140A (ja) 2001-10-12
DE60119602T2 (de) 2007-05-03
EP1128565A2 (de) 2001-08-29
EP1128565B1 (de) 2006-05-17
US6650694B1 (en) 2003-11-18

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Legal Events

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8364 No opposition during term of opposition