DE60039614D1 - Drahtloses kommunikationssystem mit änderung der abstrahlcharakteristik der basisstation - Google Patents

Drahtloses kommunikationssystem mit änderung der abstrahlcharakteristik der basisstation

Info

Publication number
DE60039614D1
DE60039614D1 DE60039614T DE60039614T DE60039614D1 DE 60039614 D1 DE60039614 D1 DE 60039614D1 DE 60039614 T DE60039614 T DE 60039614T DE 60039614 T DE60039614 T DE 60039614T DE 60039614 D1 DE60039614 D1 DE 60039614D1
Authority
DE
Germany
Prior art keywords
base station
wireless communication
communication system
signal
system changing
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
DE60039614T
Other languages
English (en)
Inventor
Tao Chen
Fuyun Ling
Jack Holtzman
Yu-Cheun Jou
Stein A Lundby
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.)
Qualcomm Inc
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of DE60039614D1 publication Critical patent/DE60039614D1/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
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • 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
    • H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
    • 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
    • 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
    • H04B7/08—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
    • H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
DE60039614T 1999-09-30 2000-09-29 Drahtloses kommunikationssystem mit änderung der abstrahlcharakteristik der basisstation Expired - Lifetime DE60039614D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/409,944 US6782277B1 (en) 1999-09-30 1999-09-30 Wireless communication system with base station beam sweeping
PCT/US2000/026877 WO2001024385A2 (en) 1999-09-30 2000-09-29 Wireless communication system with base station beam sweeping

Publications (1)

Publication Number Publication Date
DE60039614D1 true DE60039614D1 (de) 2008-09-04

Family

ID=23622598

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60039614T Expired - Lifetime DE60039614D1 (de) 1999-09-30 2000-09-29 Drahtloses kommunikationssystem mit änderung der abstrahlcharakteristik der basisstation

Country Status (12)

Country Link
US (2) US6782277B1 (de)
EP (1) EP1216524B1 (de)
JP (1) JP4615803B2 (de)
KR (1) KR100700960B1 (de)
CN (1) CN1173489C (de)
AT (1) ATE402526T1 (de)
AU (1) AU7737800A (de)
BR (1) BR0014394A (de)
DE (1) DE60039614D1 (de)
HK (1) HK1051748A1 (de)
TW (1) TW535372B (de)
WO (1) WO2001024385A2 (de)

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BR0014394A (pt) 2006-03-01
EP1216524B1 (de) 2008-07-23
US20030195017A1 (en) 2003-10-16
US6782277B1 (en) 2004-08-24
EP1216524A2 (de) 2002-06-26
JP2003529238A (ja) 2003-09-30
KR100700960B1 (ko) 2007-03-28
TW535372B (en) 2003-06-01
WO2001024385A2 (en) 2001-04-05
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KR20020035163A (ko) 2002-05-09
HK1051748A1 (en) 2003-08-15

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