DE60322025D1 - Leistungsregelung für mehrfacheingang-mehrfachausgangsysteme (mimo) mit teilweiser kanalzustandsinformation (csi) - Google Patents

Leistungsregelung für mehrfacheingang-mehrfachausgangsysteme (mimo) mit teilweiser kanalzustandsinformation (csi)

Info

Publication number
DE60322025D1
DE60322025D1 DE60322025T DE60322025T DE60322025D1 DE 60322025 D1 DE60322025 D1 DE 60322025D1 DE 60322025 T DE60322025 T DE 60322025T DE 60322025 T DE60322025 T DE 60322025T DE 60322025 D1 DE60322025 D1 DE 60322025D1
Authority
DE
Germany
Prior art keywords
mimo
snr
setpoint
csi
status 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
DE60322025T
Other languages
English (en)
Inventor
Irina Medvedev
Jay R Walton
John W Ketchum
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 DE60322025D1 publication Critical patent/DE60322025D1/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
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • 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
    • H04B7/06—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
DE60322025T 2002-02-19 2003-02-19 Leistungsregelung für mehrfacheingang-mehrfachausgangsysteme (mimo) mit teilweiser kanalzustandsinformation (csi) Expired - Lifetime DE60322025D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/079,970 US7076263B2 (en) 2002-02-19 2002-02-19 Power control for partial channel-state information (CSI) multiple-input, multiple-output (MIMO) systems
PCT/US2003/005371 WO2003071711A2 (en) 2002-02-19 2003-02-19 Power control for partial channel-state information (csi) multiple-input, multiple-output (mimo) systems

Publications (1)

Publication Number Publication Date
DE60322025D1 true DE60322025D1 (de) 2008-08-21

Family

ID=27733118

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60322025T Expired - Lifetime DE60322025D1 (de) 2002-02-19 2003-02-19 Leistungsregelung für mehrfacheingang-mehrfachausgangsysteme (mimo) mit teilweiser kanalzustandsinformation (csi)

Country Status (15)

Country Link
US (2) US7076263B2 (de)
EP (3) EP1973237A3 (de)
JP (2) JP4401784B2 (de)
KR (1) KR101070586B1 (de)
CN (2) CN101123461B (de)
AT (1) ATE400931T1 (de)
AU (1) AU2003213217A1 (de)
BR (1) BR0307762A (de)
CA (1) CA2475515A1 (de)
DE (1) DE60322025D1 (de)
ES (1) ES2309303T3 (de)
HK (1) HK1078190A1 (de)
MX (1) MXPA04008007A (de)
TW (1) TWI311015B (de)
WO (1) WO2003071711A2 (de)

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EP1476958B1 (de) 2008-07-09
CA2475515A1 (en) 2003-08-28
ES2309303T3 (es) 2008-12-16
KR20040079442A (ko) 2004-09-14
EP2259443A3 (de) 2011-05-04
KR101070586B1 (ko) 2011-10-06
US7221956B2 (en) 2007-05-22
HK1078190A1 (en) 2006-03-03
AU2003213217A8 (en) 2003-09-09
CN1647413A (zh) 2005-07-27
CN100448177C (zh) 2008-12-31
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ATE400931T1 (de) 2008-07-15
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US7076263B2 (en) 2006-07-11
US20030157954A1 (en) 2003-08-21
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TWI311015B (en) 2009-06-11
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EP2259443A2 (de) 2010-12-08
US20050130694A1 (en) 2005-06-16
JP4401784B2 (ja) 2010-01-20
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EP1476958A2 (de) 2004-11-17
BR0307762A (pt) 2007-01-02

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