WO2008146494A1 - キャリブレーション方法、通信システム、周波数制御方法および通信装置 - Google Patents

キャリブレーション方法、通信システム、周波数制御方法および通信装置 Download PDF

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Publication number
WO2008146494A1
WO2008146494A1 PCT/JP2008/050207 JP2008050207W WO2008146494A1 WO 2008146494 A1 WO2008146494 A1 WO 2008146494A1 JP 2008050207 W JP2008050207 W JP 2008050207W WO 2008146494 A1 WO2008146494 A1 WO 2008146494A1
Authority
WO
WIPO (PCT)
Prior art keywords
antenna
channel estimation
frequency control
communication device
communication system
Prior art date
Application number
PCT/JP2008/050207
Other languages
English (en)
French (fr)
Inventor
Yoshitaka Hara
Akinori Taira
Kenichi Tajima
Kazunari Kihira
Michiaki Takano
Kazuaki Ishioka
Yasunori Nouda
Original Assignee
Mitsubishi Electric Corporation
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 Mitsubishi Electric Corporation filed Critical Mitsubishi Electric Corporation
Priority to US12/600,841 priority Critical patent/US20100150013A1/en
Priority to EP08703071.4A priority patent/EP2154802A4/en
Priority to JP2009516188A priority patent/JPWO2008146494A1/ja
Priority to CN200880017913.7A priority patent/CN101682432B/zh
Publication of WO2008146494A1 publication Critical patent/WO2008146494A1/ja

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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
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding 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
    • H04B17/12—Monitoring; Testing of transmitters for calibration of transmit antennas, e.g. of the amplitude or phase
    • 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
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/32—TPC of broadcast or control channels
    • H04W52/325—Power control of control or pilot channels
    • 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
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • 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
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/241—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account channel quality metrics, e.g. SIR, SNR, CIR, Eb/lo

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transceivers (AREA)

Abstract

　本発明にかかるキャリブレーション方法は、第１のアンテナからパイロット信号を送信し、第１のアンテナとは異なる第２のアンテナで受信して第１のチャネル推定値を算出する第１のチャネル推定ステップと、第２のアンテナからパイロット信号を送信し、第１のアンテナでパイロット信号を受信して第２のチャネル推定値を算出する第２のチャネル推定ステップと、第１および第２のチャネル推定値を用いて補正係数を算出する補正係数算出ステップと、を含む。
PCT/JP2008/050207 2007-05-29 2008-01-10 キャリブレーション方法、通信システム、周波数制御方法および通信装置 WO2008146494A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US12/600,841 US20100150013A1 (en) 2007-05-29 2008-01-10 Calibration method, communication system, frequency control method, and communication device
EP08703071.4A EP2154802A4 (en) 2007-05-29 2008-01-10 CALIBRATION PROCEDURE, COMMUNICATION SYSTEM, FREQUENCY CONTROL METHOD AND COMMUNICATION DEVICE
JP2009516188A JPWO2008146494A1 (ja) 2007-05-29 2008-01-10 キャリブレーション方法、通信システムおよび周波数制御方法
CN200880017913.7A CN101682432B (zh) 2007-05-29 2008-01-10 校准方法、通信系统、频率控制方法以及通信装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007142441 2007-05-29
JP2007-142441 2007-05-29

Publications (1)

Publication Number Publication Date
WO2008146494A1 true WO2008146494A1 (ja) 2008-12-04

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PCT/JP2008/050207 WO2008146494A1 (ja) 2007-05-29 2008-01-10 キャリブレーション方法、通信システム、周波数制御方法および通信装置

Country Status (5)

Country Link
US (1) US20100150013A1 (ja)
EP (1) EP2154802A4 (ja)
JP (2) JPWO2008146494A1 (ja)
CN (1) CN101682432B (ja)
WO (1) WO2008146494A1 (ja)

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