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FI945336A - Menetelmä ja laite koherentin viestinnän suorittamiseksi hajaspektriviestintäjärjestelmässä - Google Patents

Menetelmä ja laite koherentin viestinnän suorittamiseksi hajaspektriviestintäjärjestelmässä Download PDF

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Publication number
FI945336A
FI945336A FI945336A FI945336A FI945336A FI 945336 A FI945336 A FI 945336A FI 945336 A FI945336 A FI 945336A FI 945336 A FI945336 A FI 945336A FI 945336 A FI945336 A FI 945336A
Authority
FI
Finland
Prior art keywords
spread spectrum
communication system
performing coherent
communication
spectrum communication
Prior art date
Application number
FI945336A
Other languages
English (en)
Swedish (sv)
Other versions
FI945336A0 (fi
FI112010B (fi
Inventor
Fuyun Ling
Original Assignee
Motorola 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=21858459&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI945336(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of FI945336A0 publication Critical patent/FI945336A0/fi
Publication of FI945336A publication Critical patent/FI945336A/fi
Application granted granted Critical
Publication of FI112010B publication Critical patent/FI112010B/fi

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0845—Weighted combining per branch equalization, e.g. by an FIR-filter or RAKE receiver per antenna branch
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/005—Control of transmission; Equalising
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • 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
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • 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
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Error Detection And Correction (AREA)
FI945336A 1993-03-11 1994-11-11 Menetelmä ja laite koherentin viestinnän suorittamiseksi hajaspektriviestintäjärjestelmässä FI112010B (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US08/031,258 US5329547A (en) 1993-03-11 1993-03-11 Method and apparatus for coherent communication in a spread-spectrum communication system
US3125893 1993-03-11
PCT/US1994/001746 WO1994021065A1 (en) 1993-03-11 1994-02-16 Method and apparatus for coherent communication in a spread-spectrum communication system
US9401746 1994-02-16

Publications (3)

Publication Number Publication Date
FI945336A0 FI945336A0 (fi) 1994-11-11
FI945336A true FI945336A (fi) 1994-11-11
FI112010B FI112010B (fi) 2003-10-15

Family

ID=21858459

Family Applications (1)

Application Number Title Priority Date Filing Date
FI945336A FI112010B (fi) 1993-03-11 1994-11-11 Menetelmä ja laite koherentin viestinnän suorittamiseksi hajaspektriviestintäjärjestelmässä

Country Status (14)

Country Link
US (1) US5329547A (fi)
EP (1) EP0643889B1 (fi)
JP (1) JP3464002B2 (fi)
CN (1) CN1048606C (fi)
BR (1) BR9404420A (fi)
CA (1) CA2134230C (fi)
DE (1) DE69430720T2 (fi)
FI (1) FI112010B (fi)
MY (1) MY125586A (fi)
PL (1) PL174713B1 (fi)
SE (1) SE520542C2 (fi)
SG (1) SG46295A1 (fi)
TW (1) TW295754B (fi)
WO (1) WO1994021065A1 (fi)

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Also Published As

Publication number Publication date
MY125586A (en) 2006-08-30
CA2134230A1 (en) 1994-09-15
EP0643889B1 (en) 2002-06-05
CN1048606C (zh) 2000-01-19
PL174713B1 (pl) 1998-09-30
SG46295A1 (en) 1998-02-20
SE9403860D0 (sv) 1994-11-10
WO1994021065A1 (en) 1994-09-15
EP0643889A4 (en) 1997-12-10
DE69430720D1 (de) 2002-07-11
EP0643889A1 (en) 1995-03-22
JPH07506713A (ja) 1995-07-20
CN1105510A (zh) 1995-07-19
FI945336A0 (fi) 1994-11-11
SE520542C2 (sv) 2003-07-22
PL306002A1 (en) 1995-02-20
SE9403860L (sv) 1994-12-27
US5329547A (en) 1994-07-12
CA2134230C (en) 1999-09-21
JP3464002B2 (ja) 2003-11-05
FI112010B (fi) 2003-10-15
TW295754B (fi) 1997-01-11
DE69430720T2 (de) 2002-12-05
BR9404420A (pt) 1999-06-15

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