DE602004016825D1 - Verwendung von antennengruppen in einer mehrwegumgebung - Google Patents

Verwendung von antennengruppen in einer mehrwegumgebung

Info

Publication number
DE602004016825D1
DE602004016825D1 DE602004016825T DE602004016825T DE602004016825D1 DE 602004016825 D1 DE602004016825 D1 DE 602004016825D1 DE 602004016825 T DE602004016825 T DE 602004016825T DE 602004016825 T DE602004016825 T DE 602004016825T DE 602004016825 D1 DE602004016825 D1 DE 602004016825D1
Authority
DE
Germany
Prior art keywords
signals
directional beams
antenna groups
way environment
information
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
DE602004016825T
Other languages
English (en)
Inventor
Paul Dent
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.)
Ericsson Inc
Original Assignee
Ericsson 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 Ericsson Inc filed Critical Ericsson Inc
Publication of DE602004016825D1 publication Critical patent/DE602004016825D1/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
    • 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
    • H04B7/0667—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 delayed versions of same signal
    • H04B7/0671—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 delayed versions of same signal using different delays between 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
    • H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
    • 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
    • H04B7/0617—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 for beam forming
    • 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
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
DE602004016825T 2003-02-10 2004-02-09 Verwendung von antennengruppen in einer mehrwegumgebung Expired - Lifetime DE602004016825D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/361,244 US7184492B2 (en) 2003-02-10 2003-02-10 Using antenna arrays in multipath environment
PCT/US2004/003738 WO2004073104A2 (en) 2003-02-10 2004-02-09 Using antenna arrays in mulipath environment

Publications (1)

Publication Number Publication Date
DE602004016825D1 true DE602004016825D1 (de) 2008-11-13

Family

ID=32824177

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004016825T Expired - Lifetime DE602004016825D1 (de) 2003-02-10 2004-02-09 Verwendung von antennengruppen in einer mehrwegumgebung

Country Status (5)

Country Link
US (1) US7184492B2 (de)
EP (1) EP1597885B1 (de)
AT (1) ATE409987T1 (de)
DE (1) DE602004016825D1 (de)
WO (1) WO2004073104A2 (de)

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Also Published As

Publication number Publication date
US20040156443A1 (en) 2004-08-12
US7184492B2 (en) 2007-02-27
WO2004073104A3 (en) 2005-06-09
EP1597885A2 (de) 2005-11-23
EP1597885B1 (de) 2008-10-01
ATE409987T1 (de) 2008-10-15
EP1597885A4 (de) 2006-03-08
WO2004073104A2 (en) 2004-08-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition