HK1088143A1 - Derivation of eigenvectors for spatial processing in mimo communication systems - Google Patents

Derivation of eigenvectors for spatial processing in mimo communication systems

Info

Publication number
HK1088143A1
HK1088143A1 HK06108138.0A HK06108138A HK1088143A1 HK 1088143 A1 HK1088143 A1 HK 1088143A1 HK 06108138 A HK06108138 A HK 06108138A HK 1088143 A1 HK1088143 A1 HK 1088143A1
Authority
HK
Hong Kong
Prior art keywords
matrix
sigma
spatial processing
eigenvectors
estimate
Prior art date
Application number
HK06108138.0A
Other languages
English (en)
Inventor
John W Ketchum
Mark S Wallace
Peter Gaal
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
Publication of HK1088143A1 publication Critical patent/HK1088143A1/xx

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)
HK06108138.0A 2002-12-11 2006-07-21 Derivation of eigenvectors for spatial processing in mimo communication systems HK1088143A1 (en)

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
HK1088143A1 true HK1088143A1 (en) 2006-10-27

Family

ID=32511664

Family Applications (1)

Application Number Title Priority Date Filing Date
HK06108138.0A HK1088143A1 (en) 2002-12-11 2006-07-21 Derivation of eigenvectors for spatial processing in mimo communication systems

Country Status (16)

Country Link
US (2) US7280625B2 (zh)
EP (2) EP1570616B1 (zh)
JP (2) JP4532412B2 (zh)
KR (1) KR101000170B1 (zh)
CN (2) CN100542145C (zh)
AT (2) ATE479263T1 (zh)
AU (2) AU2003297873C1 (zh)
BR (1) BR0317173A (zh)
CA (3) CA2509196C (zh)
DE (2) DE60322424D1 (zh)
ES (2) ES2349490T3 (zh)
HK (1) HK1088143A1 (zh)
IL (1) IL168932A (zh)
MX (1) MXPA05006231A (zh)
RU (1) RU2337493C2 (zh)
WO (1) WO2004054191A1 (zh)

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Also Published As

Publication number Publication date
RU2337493C2 (ru) 2008-10-27
EP1940098B1 (en) 2010-08-25
CN1739270A (zh) 2006-02-22
JP2006513674A (ja) 2006-04-20
CA2509196C (en) 2014-12-09
CA2809768A1 (en) 2004-06-24
AU2009220023A1 (en) 2009-10-15
CA2809754A1 (en) 2004-06-24
KR20050085568A (ko) 2005-08-29
US7280625B2 (en) 2007-10-09
WO2004054191A1 (en) 2004-06-24
US7551698B2 (en) 2009-06-23
AU2009220023C1 (en) 2010-11-04
RU2005121540A (ru) 2006-01-27
CN100542145C (zh) 2009-09-16
IL168932A (en) 2010-11-30
CN101615983B (zh) 2013-08-28
IL168932A0 (en) 2009-02-11
KR101000170B1 (ko) 2010-12-10
ES2308027T3 (es) 2008-12-01
EP1940098A1 (en) 2008-07-02
MXPA05006231A (es) 2005-09-08
ATE402551T1 (de) 2008-08-15
AU2003297873A1 (en) 2004-06-30
CA2809768C (en) 2014-02-18
ATE479263T1 (de) 2010-09-15
US20040165684A1 (en) 2004-08-26
BR0317173A (pt) 2005-10-25
CA2809754C (en) 2014-02-11
JP2010213298A (ja) 2010-09-24
ES2349490T3 (es) 2011-01-04
CA2509196A1 (en) 2004-06-24
JP4532412B2 (ja) 2010-08-25
JP5175315B2 (ja) 2013-04-03
AU2003297873C1 (en) 2009-12-24
CN101615983A (zh) 2009-12-30
AU2009220023B2 (en) 2010-06-03
EP1570616B1 (en) 2008-07-23
DE60333961D1 (de) 2010-10-07
US20070297526A1 (en) 2007-12-27
AU2003297873B2 (en) 2009-07-02
DE60322424D1 (de) 2008-09-04
EP1570616A1 (en) 2005-09-07

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PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20131209