DE69840731D1 - Fast-optimale Dekodierung mit reduzierter Komplexität für Raum-Zeit Koden in drahtlosen Verwendungen - Google Patents

Fast-optimale Dekodierung mit reduzierter Komplexität für Raum-Zeit Koden in drahtlosen Verwendungen

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Publication number
DE69840731D1
DE69840731D1 DE69840731T DE69840731T DE69840731D1 DE 69840731 D1 DE69840731 D1 DE 69840731D1 DE 69840731 T DE69840731 T DE 69840731T DE 69840731 T DE69840731 T DE 69840731T DE 69840731 D1 DE69840731 D1 DE 69840731D1
Authority
DE
Germany
Prior art keywords
fast
space
time codes
reduced complexity
optimal decoding
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
DE69840731T
Other languages
English (en)
Inventor
Titus Lo
Vahid Tarokh
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AT&T Mobility II LLC
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AT&T Mobility II LLC
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 AT&T Mobility II LLC filed Critical AT&T Mobility II LLC
Application granted granted Critical
Publication of DE69840731D1 publication Critical patent/DE69840731D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0612—Space-time modulation
    • 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
    • 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
    • H04B7/0848—Joint weighting
    • H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0054—Maximum-likelihood or sequential decoding, e.g. Viterbi, Fano, ZJ algorithms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618—Space-time coding
    • H04L1/0631—Receiver arrangements
    • 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
    • H04B7/0848—Joint weighting
DE69840731T 1997-12-23 1998-12-17 Fast-optimale Dekodierung mit reduzierter Komplexität für Raum-Zeit Koden in drahtlosen Verwendungen Expired - Lifetime DE69840731D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US6861397P 1997-12-23 1997-12-23
US09/063,765 US6188736B1 (en) 1997-12-23 1998-04-21 Near-optimal low-complexity decoding of space-time codes for fixed wireless applications

Publications (1)

Publication Number Publication Date
DE69840731D1 true DE69840731D1 (de) 2009-05-20

Family

ID=26743772

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69840731T Expired - Lifetime DE69840731D1 (de) 1997-12-23 1998-12-17 Fast-optimale Dekodierung mit reduzierter Komplexität für Raum-Zeit Koden in drahtlosen Verwendungen
DE69823326T Expired - Lifetime DE69823326T2 (de) 1997-12-23 1998-12-17 Annäherende optimal und mit niedrigen Komplexität Dekodierung für raum-zeitlichen Koden in festen drahtlosen Anwendungen

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69823326T Expired - Lifetime DE69823326T2 (de) 1997-12-23 1998-12-17 Annäherende optimal und mit niedrigen Komplexität Dekodierung für raum-zeitlichen Koden in festen drahtlosen Anwendungen

Country Status (3)

Country Link
US (6) US6188736B1 (de)
EP (1) EP0938194B1 (de)
DE (2) DE69840731D1 (de)

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DE102008005736B4 (de) 2008-01-23 2012-07-19 Girana Anuman-Rajadhon Regal für Ladenbau

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EP0938194B1 (de) 2004-04-21
EP0938194A3 (de) 2000-05-17
US6741635B2 (en) 2004-05-25
US20030002605A1 (en) 2003-01-02
US20090180569A1 (en) 2009-07-16
US8179991B2 (en) 2012-05-15
US20040203547A1 (en) 2004-10-14
US6188736B1 (en) 2001-02-13
US6470043B1 (en) 2002-10-22
DE69823326T2 (de) 2004-08-26
DE69823326D1 (de) 2004-05-27
EP0938194A2 (de) 1999-08-25
US7526040B2 (en) 2009-04-28
US7046737B2 (en) 2006-05-16
US20070009070A1 (en) 2007-01-11

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