SI0732013T1 - Multipath search processor for a spread spectrum multiple access communication system - Google Patents

Multipath search processor for a spread spectrum multiple access communication system

Info

Publication number
SI0732013T1
SI0732013T1 SI9530671T SI9530671T SI0732013T1 SI 0732013 T1 SI0732013 T1 SI 0732013T1 SI 9530671 T SI9530671 T SI 9530671T SI 9530671 T SI9530671 T SI 9530671T SI 0732013 T1 SI0732013 T1 SI 0732013T1
Authority
SI
Slovenia
Prior art keywords
search
offset
modem
spread spectrum
processor
Prior art date
Application number
SI9530671T
Other languages
English (en)
Slovenian (sl)
Inventor
Kenneth D. Easton
Jeffrey A. Levin
Original Assignee
Qualcomm Incorporated
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 Incorporated filed Critical Qualcomm Incorporated
Publication of SI0732013T1 publication Critical patent/SI0732013T1/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/16—Code allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
    • H04J13/0048—Walsh
    • 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
    • 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
    • H04B1/70751—Synchronisation aspects with code phase acquisition using partial detection
    • H04B1/70752—Partial correlation
    • 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
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
    • 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
    • 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
    • H04B2201/70703—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation using multiple or variable rates

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)
  • Computer And Data Communications (AREA)
  • Circuits Of Receivers In General (AREA)
  • Radio Transmission System (AREA)
SI9530671T 1994-09-30 1995-09-27 Multipath search processor for a spread spectrum multiple access communication system SI0732013T1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US31617794A 1994-09-30 1994-09-30
PCT/US1995/012390 WO1996010873A1 (en) 1994-09-30 1995-09-27 Multipath search processor for a spread spectrum multiple access communication system
EP95937306A EP0732013B1 (en) 1994-09-30 1995-09-27 Multipath search processor for a spread spectrum multiple access communication system

Publications (1)

Publication Number Publication Date
SI0732013T1 true SI0732013T1 (en) 2004-06-30

Family

ID=23227854

Family Applications (1)

Application Number Title Priority Date Filing Date
SI9530671T SI0732013T1 (en) 1994-09-30 1995-09-27 Multipath search processor for a spread spectrum multiple access communication system

Country Status (23)

Country Link
US (1) US20010046205A1 (ru)
EP (1) EP0732013B1 (ru)
JP (1) JPH09506234A (ru)
KR (1) KR100385004B1 (ru)
CN (1) CN1096157C (ru)
AT (1) ATE243395T1 (ru)
AU (2) AU688625B2 (ru)
BR (1) BR9506390A (ru)
CA (1) CA2174243A1 (ru)
DE (1) DE69531096T2 (ru)
DK (1) DK0732013T3 (ru)
ES (1) ES2201123T3 (ru)
FI (1) FI114123B (ru)
HK (1) HK1015198A1 (ru)
IL (1) IL115461A0 (ru)
MX (1) MX9602026A (ru)
MY (1) MY120873A (ru)
PT (1) PT732013E (ru)
RU (1) RU2149509C1 (ru)
SI (1) SI0732013T1 (ru)
TW (1) TW294866B (ru)
WO (1) WO1996010873A1 (ru)
ZA (1) ZA957858B (ru)

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