DE60104252D1 - Raum-Zeit-Verarbeitung für drahtlose Kommunikationssysteme mit mehreren Sende- und Empfangsantennen - Google Patents

Raum-Zeit-Verarbeitung für drahtlose Kommunikationssysteme mit mehreren Sende- und Empfangsantennen

Info

Publication number
DE60104252D1
DE60104252D1 DE60104252T DE60104252T DE60104252D1 DE 60104252 D1 DE60104252 D1 DE 60104252D1 DE 60104252 T DE60104252 T DE 60104252T DE 60104252 T DE60104252 T DE 60104252T DE 60104252 D1 DE60104252 D1 DE 60104252D1
Authority
DE
Germany
Prior art keywords
transmit
antennas
substreams
signals
receive antennas
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
DE60104252T
Other languages
English (en)
Other versions
DE60104252T2 (de
Inventor
Angel Lozano
Farrokhi Rashid-Farrokh
Reinaldo A Valenzuela
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.)
Nokia of America Corp
Original Assignee
Lucent Technologies 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 Lucent Technologies Inc filed Critical Lucent Technologies Inc
Application granted granted Critical
Publication of DE60104252D1 publication Critical patent/DE60104252D1/de
Publication of DE60104252T2 publication Critical patent/DE60104252T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0636—Feedback format
    • H04B7/0645—Variable feedback
    • H04B7/065—Variable contents, e.g. long-term or short-short
    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0697—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using spatial multiplexing
    • 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
DE60104252T 2000-08-18 2001-03-05 Raum-Zeit-Verarbeitung für drahtlose Kommunikationssysteme mit mehreren Sende- und Empfangsantennen Expired - Lifetime DE60104252T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US641414 2000-08-18
US09/641,414 US6778612B1 (en) 2000-08-18 2000-08-18 Space-time processing for wireless systems with multiple transmit and receive antennas

Publications (2)

Publication Number Publication Date
DE60104252D1 true DE60104252D1 (de) 2004-08-19
DE60104252T2 DE60104252T2 (de) 2005-09-08

Family

ID=24572266

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60104252T Expired - Lifetime DE60104252T2 (de) 2000-08-18 2001-03-05 Raum-Zeit-Verarbeitung für drahtlose Kommunikationssysteme mit mehreren Sende- und Empfangsantennen

Country Status (10)

Country Link
US (2) US6778612B1 (de)
EP (1) EP1187363B1 (de)
JP (1) JP5366345B2 (de)
KR (1) KR100811577B1 (de)
CN (1) CN1233106C (de)
AT (1) ATE271284T1 (de)
AU (1) AU5799301A (de)
BR (1) BR0103224A (de)
CA (1) CA2350878C (de)
DE (1) DE60104252T2 (de)

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Also Published As

Publication number Publication date
CN1233106C (zh) 2005-12-21
CN1339881A (zh) 2002-03-13
US6778612B1 (en) 2004-08-17
AU5799301A (en) 2002-02-21
JP2002124899A (ja) 2002-04-26
US20040208258A1 (en) 2004-10-21
CA2350878A1 (en) 2002-02-18
KR20020014774A (ko) 2002-02-25
EP1187363A1 (de) 2002-03-13
JP5366345B2 (ja) 2013-12-11
EP1187363B1 (de) 2004-07-14
DE60104252T2 (de) 2005-09-08
KR100811577B1 (ko) 2008-03-10
BR0103224A (pt) 2002-04-02
US7113558B2 (en) 2006-09-26
CA2350878C (en) 2005-01-04
ATE271284T1 (de) 2004-07-15

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