ES2561466T3 - Calibración de respuestas de canal de enlace descendente y de enlace ascendente en un sistema de comunicación inalámbrica MIMO - Google Patents

Calibración de respuestas de canal de enlace descendente y de enlace ascendente en un sistema de comunicación inalámbrica MIMO Download PDF

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Publication number
ES2561466T3
ES2561466T3 ES05723308.2T ES05723308T ES2561466T3 ES 2561466 T3 ES2561466 T3 ES 2561466T3 ES 05723308 T ES05723308 T ES 05723308T ES 2561466 T3 ES2561466 T3 ES 2561466T3
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ES
Spain
Prior art keywords
matrix
error
matrices
calibration
transmission
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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
ES05723308.2T
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English (en)
Spanish (es)
Inventor
Mark S. Wallace
John W. Ketchum
Jay Rodney Walton
Steven J. Howard
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Qualcomm Inc
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Qualcomm Inc
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Publication date
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Publication of ES2561466T3 publication Critical patent/ES2561466T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H04B7/0421—Feedback systems utilizing implicit feedback, e.g. steered pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/11—Monitoring; Testing of transmitters for calibration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/21—Monitoring; Testing of receivers for calibration; for correcting measurements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/21—Monitoring; Testing of receivers for calibration; for correcting measurements
    • H04B17/22—Monitoring; Testing of receivers for calibration; for correcting measurements for calibration of the receiver components
    • 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
    • H04B7/0848—Joint weighting
    • H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
    • 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
    • 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
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1469—Two-way operation using the same type of signal, i.e. duplex using time-sharing
    • 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
    • H04L2025/03375—Passband transmission
    • 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
    • H04L2025/03777—Arrangements for removing intersymbol interference characterised by the signalling
    • H04L2025/03802—Signalling on the reverse channel

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
ES05723308.2T 2004-02-19 2005-02-18 Calibración de respuestas de canal de enlace descendente y de enlace ascendente en un sistema de comunicación inalámbrica MIMO Expired - Lifetime ES2561466T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/783,175 US7206354B2 (en) 2004-02-19 2004-02-19 Calibration of downlink and uplink channel responses in a wireless MIMO communication system
US783175 2004-02-19
PCT/US2005/005262 WO2005081483A1 (en) 2004-02-19 2005-02-18 Calibration of downlink and uplink channel responses in a wireless mimo communication system

Publications (1)

Publication Number Publication Date
ES2561466T3 true ES2561466T3 (es) 2016-02-26

Family

ID=34861168

Family Applications (1)

Application Number Title Priority Date Filing Date
ES05723308.2T Expired - Lifetime ES2561466T3 (es) 2004-02-19 2005-02-18 Calibración de respuestas de canal de enlace descendente y de enlace ascendente en un sistema de comunicación inalámbrica MIMO

Country Status (9)

Country Link
US (1) US7206354B2 (enExample)
EP (1) EP1721431B1 (enExample)
JP (2) JP5269320B2 (enExample)
KR (1) KR100809896B1 (enExample)
CN (1) CN1943194B (enExample)
CA (1) CA2556710C (enExample)
ES (1) ES2561466T3 (enExample)
TW (1) TWI361601B (enExample)
WO (1) WO2005081483A1 (enExample)

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Also Published As

Publication number Publication date
CN1943194B (zh) 2010-09-01
CA2556710C (en) 2011-12-20
JP5269320B2 (ja) 2013-08-21
EP1721431B1 (en) 2015-11-04
JP2007523570A (ja) 2007-08-16
KR100809896B1 (ko) 2008-03-07
EP1721431A1 (en) 2006-11-15
CN1943194A (zh) 2007-04-04
US7206354B2 (en) 2007-04-17
CA2556710A1 (en) 2005-09-01
JP2011160440A (ja) 2011-08-18
JP5496931B2 (ja) 2014-05-21
TW200605582A (en) 2006-02-01
WO2005081483A1 (en) 2005-09-01
KR20060125908A (ko) 2006-12-06
TWI361601B (en) 2012-04-01
US20050185728A1 (en) 2005-08-25

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