DE69619268D1 - Effizienter apparat zur gleichzeitigen modulierung und digitalen strahlformung für eine gruppenantenne - Google Patents

Effizienter apparat zur gleichzeitigen modulierung und digitalen strahlformung für eine gruppenantenne

Info

Publication number
DE69619268D1
DE69619268D1 DE69619268T DE69619268T DE69619268D1 DE 69619268 D1 DE69619268 D1 DE 69619268D1 DE 69619268 T DE69619268 T DE 69619268T DE 69619268 T DE69619268 T DE 69619268T DE 69619268 D1 DE69619268 D1 DE 69619268D1
Authority
DE
Germany
Prior art keywords
group antenna
efficient apparatus
digital radiation
simultaneous modulation
simultaneous
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
DE69619268T
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English (en)
Other versions
DE69619268T2 (de
Inventor
W 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
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Filing date
Publication date
Application filed by Ericsson Inc filed Critical Ericsson Inc
Application granted granted Critical
Publication of DE69619268D1 publication Critical patent/DE69619268D1/de
Publication of DE69619268T2 publication Critical patent/DE69619268T2/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
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/204—Multiple access
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
DE69619268T 1995-12-07 1996-11-12 Effizienter apparat zur gleichzeitigen modulierung und digitalen strahlformung für eine gruppenantenne Expired - Lifetime DE69619268T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/568,664 US5909460A (en) 1995-12-07 1995-12-07 Efficient apparatus for simultaneous modulation and digital beamforming for an antenna array
PCT/US1996/017739 WO1997021284A1 (en) 1995-12-07 1996-11-12 Efficient apparatus for simultaneous modulation and digital beamforming for an antenna array

Publications (2)

Publication Number Publication Date
DE69619268D1 true DE69619268D1 (de) 2002-03-21
DE69619268T2 DE69619268T2 (de) 2002-08-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
DE69619268T Expired - Lifetime DE69619268T2 (de) 1995-12-07 1996-11-12 Effizienter apparat zur gleichzeitigen modulierung und digitalen strahlformung für eine gruppenantenne

Country Status (10)

Country Link
US (3) US5909460A (de)
EP (1) EP0865692B1 (de)
JP (1) JP3879935B2 (de)
KR (1) KR100433966B1 (de)
CN (1) CN1124706C (de)
AU (1) AU720057B2 (de)
BR (1) BR9611699A (de)
CA (1) CA2239513A1 (de)
DE (1) DE69619268T2 (de)
WO (1) WO1997021284A1 (de)

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Also Published As

Publication number Publication date
US6219375B1 (en) 2001-04-17
EP0865692A1 (de) 1998-09-23
CN1209234A (zh) 1999-02-24
WO1997021284A1 (en) 1997-06-12
DE69619268T2 (de) 2002-08-22
AU1157297A (en) 1997-06-27
CN1124706C (zh) 2003-10-15
KR100433966B1 (ko) 2004-08-25
US5909460A (en) 1999-06-01
US6404821B1 (en) 2002-06-11
KR19990071995A (ko) 1999-09-27
JP3879935B2 (ja) 2007-02-14
EP0865692B1 (de) 2002-02-13
JP2000501907A (ja) 2000-02-15
CA2239513A1 (en) 1997-06-12
BR9611699A (pt) 1999-02-17
AU720057B2 (en) 2000-05-25

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