DE60322424D1 - Berechnung von eigenvektoren für die räumliche verarbeitung in mimo übertragungssystemen - Google Patents

Berechnung von eigenvektoren für die räumliche verarbeitung in mimo übertragungssystemen

Info

Publication number
DE60322424D1
DE60322424D1 DE60322424T DE60322424T DE60322424D1 DE 60322424 D1 DE60322424 D1 DE 60322424D1 DE 60322424 T DE60322424 T DE 60322424T DE 60322424 T DE60322424 T DE 60322424T DE 60322424 D1 DE60322424 D1 DE 60322424D1
Authority
DE
Germany
Prior art keywords
matrix
sigma
spatial processing
estimate
steered reference
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
DE60322424T
Other languages
English (en)
Inventor
John W Ketchum
Mark S Wallace
Peter Gaal
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
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Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of DE60322424D1 publication Critical patent/DE60322424D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • H04B7/0421—Feedback systems utilizing implicit feedback, e.g. steered pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • 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
    • 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
    • H04L25/0202—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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • 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
    • H04B7/08—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
DE60322424T 2002-12-11 2003-12-09 Berechnung von eigenvektoren für die räumliche verarbeitung in mimo übertragungssystemen Expired - Lifetime DE60322424D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US43276002P 2002-12-11 2002-12-11
US10/729,070 US7280625B2 (en) 2002-12-11 2003-12-04 Derivation of eigenvectors for spatial processing in MIMO communication systems
PCT/US2003/039392 WO2004054191A1 (en) 2002-12-11 2003-12-09 Derivation of eigenvectors for spatial processing in mimo communication systems

Publications (1)

Publication Number Publication Date
DE60322424D1 true DE60322424D1 (de) 2008-09-04

Family

ID=32511664

Family Applications (2)

Application Number Title Priority Date Filing Date
DE60322424T Expired - Lifetime DE60322424D1 (de) 2002-12-11 2003-12-09 Berechnung von eigenvektoren für die räumliche verarbeitung in mimo übertragungssystemen
DE60333961T Expired - Lifetime DE60333961D1 (de) 2002-12-11 2003-12-09 Ableitung von Eigenvektoren für die räumliche Verarbeitung in MIMO-Kommunikationssystemen

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE60333961T Expired - Lifetime DE60333961D1 (de) 2002-12-11 2003-12-09 Ableitung von Eigenvektoren für die räumliche Verarbeitung in MIMO-Kommunikationssystemen

Country Status (16)

Country Link
US (2) US7280625B2 (de)
EP (2) EP1940098B1 (de)
JP (2) JP4532412B2 (de)
KR (1) KR101000170B1 (de)
CN (2) CN100542145C (de)
AT (2) ATE479263T1 (de)
AU (2) AU2003297873C1 (de)
BR (1) BR0317173A (de)
CA (3) CA2809768C (de)
DE (2) DE60322424D1 (de)
ES (2) ES2349490T3 (de)
HK (1) HK1088143A1 (de)
IL (1) IL168932A (de)
MX (1) MXPA05006231A (de)
RU (1) RU2337493C2 (de)
WO (1) WO2004054191A1 (de)

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Also Published As

Publication number Publication date
AU2003297873A1 (en) 2004-06-30
RU2337493C2 (ru) 2008-10-27
CA2509196C (en) 2014-12-09
CA2809768A1 (en) 2004-06-24
BR0317173A (pt) 2005-10-25
ATE402551T1 (de) 2008-08-15
CA2809768C (en) 2014-02-18
ES2349490T3 (es) 2011-01-04
CA2809754C (en) 2014-02-11
WO2004054191A1 (en) 2004-06-24
EP1570616A1 (de) 2005-09-07
EP1940098A1 (de) 2008-07-02
DE60333961D1 (de) 2010-10-07
KR101000170B1 (ko) 2010-12-10
JP2010213298A (ja) 2010-09-24
JP4532412B2 (ja) 2010-08-25
AU2003297873B2 (en) 2009-07-02
MXPA05006231A (es) 2005-09-08
AU2009220023B2 (en) 2010-06-03
CA2809754A1 (en) 2004-06-24
US7551698B2 (en) 2009-06-23
HK1088143A1 (en) 2006-10-27
AU2009220023C1 (en) 2010-11-04
AU2003297873C1 (en) 2009-12-24
CN100542145C (zh) 2009-09-16
US7280625B2 (en) 2007-10-09
IL168932A (en) 2010-11-30
CA2509196A1 (en) 2004-06-24
KR20050085568A (ko) 2005-08-29
ES2308027T3 (es) 2008-12-01
ATE479263T1 (de) 2010-09-15
JP5175315B2 (ja) 2013-04-03
EP1940098B1 (de) 2010-08-25
CN101615983A (zh) 2009-12-30
RU2005121540A (ru) 2006-01-27
EP1570616B1 (de) 2008-07-23
AU2009220023A1 (en) 2009-10-15
CN1739270A (zh) 2006-02-22
JP2006513674A (ja) 2006-04-20
US20040165684A1 (en) 2004-08-26
CN101615983B (zh) 2013-08-28
US20070297526A1 (en) 2007-12-27
IL168932A0 (en) 2009-02-11

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