SG80071A1 - Downlink beamforming method - Google Patents

Downlink beamforming method

Info

Publication number
SG80071A1
SG80071A1 SG9904733A SG1999004733A SG80071A1 SG 80071 A1 SG80071 A1 SG 80071A1 SG 9904733 A SG9904733 A SG 9904733A SG 1999004733 A SG1999004733 A SG 1999004733A SG 80071 A1 SG80071 A1 SG 80071A1
Authority
SG
Singapore
Prior art keywords
beamforming method
downlink beamforming
downlink
beamforming
Prior art date
Application number
SG9904733A
Other languages
English (en)
Inventor
Ying Chang Liang
Francis Po Shin Chin
Original Assignee
Univ Singapore
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 Univ Singapore filed Critical Univ Singapore
Priority to SG9904733A priority Critical patent/SG80071A1/en
Priority to EP00118876A priority patent/EP1087545A1/fr
Priority to US09/655,009 priority patent/US6694155B1/en
Priority to JP2000288632A priority patent/JP2001144677A/ja
Publication of SG80071A1 publication Critical patent/SG80071A1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
    • H04L25/0248—Eigen-space methods
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/021—Estimation of channel covariance
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03426—Arrangements for removing intersymbol interference characterised by the type of transmission transmission using multiple-input and multiple-output channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03343—Arrangements at the transmitter end
SG9904733A 1999-09-24 1999-09-24 Downlink beamforming method SG80071A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SG9904733A SG80071A1 (en) 1999-09-24 1999-09-24 Downlink beamforming method
EP00118876A EP1087545A1 (fr) 1999-09-24 2000-08-31 Procedé de formation de faisceau de liaison descendante
US09/655,009 US6694155B1 (en) 1999-09-24 2000-09-05 Downlink beamforming method
JP2000288632A JP2001144677A (ja) 1999-09-24 2000-09-22 無線通信システム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SG9904733A SG80071A1 (en) 1999-09-24 1999-09-24 Downlink beamforming method

Publications (1)

Publication Number Publication Date
SG80071A1 true SG80071A1 (en) 2001-04-17

Family

ID=20430433

Family Applications (1)

Application Number Title Priority Date Filing Date
SG9904733A SG80071A1 (en) 1999-09-24 1999-09-24 Downlink beamforming method

Country Status (4)

Country Link
US (1) US6694155B1 (fr)
EP (1) EP1087545A1 (fr)
JP (1) JP2001144677A (fr)
SG (1) SG80071A1 (fr)

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Also Published As

Publication number Publication date
US6694155B1 (en) 2004-02-17
EP1087545A1 (fr) 2001-03-28
JP2001144677A (ja) 2001-05-25

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