FI109249B - Förfarande för val av utbredningsvägar som används för mottagning av utsända meddelanden i CDMA-radiokommunikation - Google Patents

Förfarande för val av utbredningsvägar som används för mottagning av utsända meddelanden i CDMA-radiokommunikation Download PDF

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Publication number
FI109249B
FI109249B FI943605A FI943605A FI109249B FI 109249 B FI109249 B FI 109249B FI 943605 A FI943605 A FI 943605A FI 943605 A FI943605 A FI 943605A FI 109249 B FI109249 B FI 109249B
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FI
Finland
Prior art keywords
delay
delays
för
cdma
fördröjningama
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Application number
FI943605A
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English (en)
Finnish (fi)
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FI943605A0 (sv
FI943605A (sv
Inventor
Philippe Lucas
Original Assignee
Matra Communication
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Publication date
Application filed by Matra Communication filed Critical Matra Communication
Publication of FI943605A0 publication Critical patent/FI943605A0/sv
Publication of FI943605A publication Critical patent/FI943605A/sv
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Publication of FI109249B publication Critical patent/FI109249B/sv

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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
    • H04B1/7117Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
    • 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/24Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2628Radio 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]

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
FI943605A 1993-08-13 1994-08-03 Förfarande för val av utbredningsvägar som används för mottagning av utsända meddelanden i CDMA-radiokommunikation FI109249B (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9309958A FR2709028B1 (fr) 1993-08-13 1993-08-13 Procédé de sélection des trajets de propagation retenus pour recevoir des messages transmis par radiocommunication AMRC.
FR9309958 1993-08-13

Publications (3)

Publication Number Publication Date
FI943605A0 FI943605A0 (sv) 1994-08-03
FI943605A FI943605A (sv) 1995-02-14
FI109249B true FI109249B (sv) 2002-06-14

Family

ID=9450193

Family Applications (1)

Application Number Title Priority Date Filing Date
FI943605A FI109249B (sv) 1993-08-13 1994-08-03 Förfarande för val av utbredningsvägar som används för mottagning av utsända meddelanden i CDMA-radiokommunikation

Country Status (6)

Country Link
US (1) US5448600A (sv)
EP (1) EP0639010B1 (sv)
DE (1) DE69415611T2 (sv)
ES (1) ES2128523T3 (sv)
FI (1) FI109249B (sv)
FR (1) FR2709028B1 (sv)

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US7158559B2 (en) * 2002-01-15 2007-01-02 Tensor Comm, Inc. Serial cancellation receiver design for a coded signal processing engine
JP3831229B2 (ja) * 2001-10-31 2006-10-11 富士通株式会社 伝搬路特性推定装置
US7394879B2 (en) * 2001-11-19 2008-07-01 Tensorcomm, Inc. Systems and methods for parallel signal cancellation
US7430253B2 (en) * 2002-10-15 2008-09-30 Tensorcomm, Inc Method and apparatus for interference suppression with efficient matrix inversion in a DS-CDMA system
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US7352704B1 (en) * 2003-08-29 2008-04-01 National Semiconductor Corporation Method and apparatus for multi-path delay spread detection in wideband CDMA systems
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Also Published As

Publication number Publication date
DE69415611D1 (de) 1999-02-11
FI943605A0 (sv) 1994-08-03
EP0639010A1 (fr) 1995-02-15
DE69415611T2 (de) 1999-09-09
ES2128523T3 (es) 1999-05-16
FR2709028B1 (fr) 1995-10-20
EP0639010B1 (fr) 1998-12-30
FR2709028A1 (fr) 1995-02-17
FI943605A (sv) 1995-02-14
US5448600A (en) 1995-09-05

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