JP5269320B2 - 無線ｍｉｍｏ通信システムにおけるダウンリンクチャネル応答及びアップリンクチャネル応答の校正 - Google Patents

無線ｍｉｍｏ通信システムにおけるダウンリンクチャネル応答及びアップリンクチャネル応答の校正 Download PDF

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JP5269320B2
JP5269320B2 JP2006554245A JP2006554245A JP5269320B2 JP 5269320 B2 JP5269320 B2 JP 5269320B2 JP 2006554245 A JP2006554245 A JP 2006554245A JP 2006554245 A JP2006554245 A JP 2006554245A JP 5269320 B2 JP5269320 B2 JP 5269320B2
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matrix
calibration error
error matrix
transmission
calibration
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JP2007523570A (ja
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ウォーレス、マーク・エス．
ケッチャム、ジョン・ダブリュ．
ワルトン、ジャイ・ロドニー
ハワード、スティーブン・ジェイ．
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Qualcomm Inc
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Qualcomm Inc
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    • 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
    • H04B17/20—Monitoring; Testing of receivers
    • 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
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
JP2006554245A 2004-02-19 2005-02-18 無線ｍｉｍｏ通信システムにおけるダウンリンクチャネル応答及びアップリンクチャネル応答の校正 Expired - Lifetime JP5269320B2 (ja)

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
US10/783,175 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

Related Child Applications (1)

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JP2011045443A Division JP5496931B2 (ja) 2004-02-19 2011-03-02 無線ｍｉｍｏ通信システムにおけるダウンリンクチャネル応答及びアップリンクチャネル応答の校正

Publications (2)

Publication Number Publication Date
JP2007523570A JP2007523570A (ja) 2007-08-16
JP5269320B2 true JP5269320B2 (ja) 2013-08-21

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JP2006554245A Expired - Lifetime JP5269320B2 (ja) 2004-02-19 2005-02-18 無線ｍｉｍｏ通信システムにおけるダウンリンクチャネル応答及びアップリンクチャネル応答の校正
JP2011045443A Expired - Lifetime JP5496931B2 (ja) 2004-02-19 2011-03-02 無線ｍｉｍｏ通信システムにおけるダウンリンクチャネル応答及びアップリンクチャネル応答の校正

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Country Status (9)

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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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Publication number Publication date
EP1721431A1 (en) 2006-11-15
US20050185728A1 (en) 2005-08-25
TWI361601B (en) 2012-04-01
WO2005081483A1 (en) 2005-09-01
US7206354B2 (en) 2007-04-17
JP5496931B2 (ja) 2014-05-21
TW200605582A (en) 2006-02-01
ES2561466T3 (es) 2016-02-26
CA2556710C (en) 2011-12-20
CA2556710A1 (en) 2005-09-01
CN1943194A (zh) 2007-04-04
JP2011160440A (ja) 2011-08-18
JP2007523570A (ja) 2007-08-16
CN1943194B (zh) 2010-09-01
EP1721431B1 (en) 2015-11-04
KR100809896B1 (ko) 2008-03-07
KR20060125908A (ko) 2006-12-06

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