DE602004003728D1 - Drahtloses Kommunikationssystem und Verfahren zum Maximieren der Sendekapazität unter Nutzung von mehreren Antennen - Google Patents

Drahtloses Kommunikationssystem und Verfahren zum Maximieren der Sendekapazität unter Nutzung von mehreren Antennen

Info

Publication number
DE602004003728D1
DE602004003728D1 DE602004003728T DE602004003728T DE602004003728D1 DE 602004003728 D1 DE602004003728 D1 DE 602004003728D1 DE 602004003728 T DE602004003728 T DE 602004003728T DE 602004003728 T DE602004003728 T DE 602004003728T DE 602004003728 D1 DE602004003728 D1 DE 602004003728D1
Authority
DE
Germany
Prior art keywords
wireless communication
communication system
multiple antennas
transmission capacity
maximizing transmission
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
DE602004003728T
Other languages
English (en)
Other versions
DE602004003728T2 (de
Inventor
Sung-Jin Kim
Jianjun Li
Ho-Jin Kim
Eung-Sun Kim
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of DE602004003728D1 publication Critical patent/DE602004003728D1/de
Application granted granted Critical
Publication of DE602004003728T2 publication Critical patent/DE602004003728T2/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
    • H04B7/0615—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
    • 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
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
    • H04W52/262—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account adaptive modulation and coding [AMC] scheme
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation 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
    • H04B7/0413—MIMO systems
    • H04B7/0452—Multi-user MIMO systems
DE602004003728T 2003-02-17 2004-02-17 Drahtloses Kommunikationssystem und Verfahren zum Maximieren der Sendekapazität unter Nutzung von mehreren Antennen Expired - Lifetime DE602004003728T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020030009909A KR100571862B1 (ko) 2003-02-17 2003-02-17 다중 안테나를 포함하는 이동통신 시스템 및 그 방법
KR2003009909 2003-02-17

Publications (2)

Publication Number Publication Date
DE602004003728D1 true DE602004003728D1 (de) 2007-02-01
DE602004003728T2 DE602004003728T2 (de) 2007-10-11

Family

ID=32677888

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004003728T Expired - Lifetime DE602004003728T2 (de) 2003-02-17 2004-02-17 Drahtloses Kommunikationssystem und Verfahren zum Maximieren der Sendekapazität unter Nutzung von mehreren Antennen

Country Status (5)

Country Link
US (1) US7406337B2 (de)
EP (1) EP1447925B1 (de)
KR (1) KR100571862B1 (de)
CN (1) CN1297079C (de)
DE (1) DE602004003728T2 (de)

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CN1297079C (zh) 2007-01-24
KR100571862B1 (ko) 2006-04-17
EP1447925B1 (de) 2006-12-20
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US7406337B2 (en) 2008-07-29
US20040224725A1 (en) 2004-11-11

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