WO2009041505A1 - 無線通信装置および無線通信方法 - Google Patents

無線通信装置および無線通信方法 Download PDF

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Publication number
WO2009041505A1
WO2009041505A1 PCT/JP2008/067304 JP2008067304W WO2009041505A1 WO 2009041505 A1 WO2009041505 A1 WO 2009041505A1 JP 2008067304 W JP2008067304 W JP 2008067304W WO 2009041505 A1 WO2009041505 A1 WO 2009041505A1
Authority
WO
WIPO (PCT)
Prior art keywords
propagation path
path coefficient
radio communication
threshold value
absolute value
Prior art date
Application number
PCT/JP2008/067304
Other languages
English (en)
French (fr)
Inventor
Chiharu Yamazaki
Shigeru Kimura
Fangwei Tong
Original Assignee
Kyocera 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
Priority claimed from JP2007247475A external-priority patent/JP5085252B2/ja
Priority claimed from JP2007255746A external-priority patent/JP5085257B2/ja
Application filed by Kyocera Corporation filed Critical Kyocera Corporation
Priority to CN200880108445A priority Critical patent/CN101809890A/zh
Priority to US12/679,286 priority patent/US8527008B2/en
Priority to EP08834040.1A priority patent/EP2194662A4/en
Publication of WO2009041505A1 publication Critical patent/WO2009041505A1/ja

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/373—Predicting channel quality or other radio frequency [RF] parameters
    • 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
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • 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
    • H04B7/0617—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 for beam forming

Landscapes

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

Abstract

　本発明の無線通信装置１００は、各アンテナの受信伝搬路係数を算出する受信伝搬路係数算出部１２０－１，・・，１２０－ｎと、受信伝搬路係数の変動に基づいて各アンテナにおける送信伝搬路係数を外挿により算出する送信伝搬路係数算出部１３０－１，・・，１３０－ｎと、送信伝搬路係数の絶対値を算出する絶対値算出部１４０－１，・・，１４０－ｎと、受信伝搬路係数に基づいて閾値を算出する閾値算出部１５０と、前記絶対値と前記閾値とを比較する比較部１６０－１，・・，１６０－ｎと、前記絶対値が前記閾値よりも大きい場合、前記絶対値を前記閾値に一致させるように前記送信伝搬路係数を補正する送信伝搬路係数補正部１７０－１１，・・，１７０－１ｎとを備える。
PCT/JP2008/067304 2007-09-25 2008-09-25 無線通信装置および無線通信方法 WO2009041505A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN200880108445A CN101809890A (zh) 2007-09-25 2008-09-25 无线通信装置和无线通信方法
US12/679,286 US8527008B2 (en) 2007-09-25 2008-09-25 Wireless communication apparatus and wireless communication method
EP08834040.1A EP2194662A4 (en) 2007-09-25 2008-09-25 RADIO COMMUNICATION DEVICE AND RADIO COMMUNICATION METHOD

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007-247475 2007-09-25
JP2007247475A JP5085252B2 (ja) 2007-09-25 2007-09-25 無線通信装置および無線通信方法
JP2007-255746 2007-09-28
JP2007255746A JP5085257B2 (ja) 2007-09-28 2007-09-28 無線通信装置および無線通信方法

Publications (1)

Publication Number Publication Date
WO2009041505A1 true WO2009041505A1 (ja) 2009-04-02

Family

ID=40511388

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/067304 WO2009041505A1 (ja) 2007-09-25 2008-09-25 無線通信装置および無線通信方法

Country Status (4)

Country Link
US (1) US8527008B2 (ja)
EP (1) EP2194662A4 (ja)
CN (1) CN101809890A (ja)
WO (1) WO2009041505A1 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101809890A (zh) 2007-09-25 2010-08-18 京瓷株式会社 无线通信装置和无线通信方法
WO2009069459A1 (ja) * 2007-11-29 2009-06-04 Kyocera Corporation 無線通信装置および無線通信方法
US20100317296A1 (en) * 2007-11-29 2010-12-16 Kyocera Corporation Wireless communication apparatus and wireless communication method
CN101911530A (zh) * 2007-12-26 2010-12-08 京瓷株式会社 无线通信装置和无线通信方法
CN104735715B (zh) * 2015-02-12 2018-08-03 中国科学技术大学苏州研究院 无线多信道通信装置及多信道的实时通信方法
CN111030738A (zh) * 2019-12-28 2020-04-17 惠州Tcl移动通信有限公司 一种mimo天线的优化方法及移动终端

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09321699A (ja) * 1996-05-30 1997-12-12 Nec Corp 移動通信システム
JP2002043995A (ja) * 2000-07-27 2002-02-08 Sanyo Electric Co Ltd 無線装置
JP2003032167A (ja) * 2001-07-12 2003-01-31 Sanyo Electric Co Ltd 無線基地システムおよび送信指向性制御方法
JP3644594B2 (ja) 1999-06-23 2005-04-27 国立大学法人 北海道大学 無線装置
JP2007247475A (ja) 2006-03-14 2007-09-27 Showa Corp 可変容量型ポンプ
JP2007255746A (ja) 2006-03-22 2007-10-04 Kyushu Univ 磁気冷凍機及び磁気冷凍方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3582139B2 (ja) * 1995-03-31 2004-10-27 ソニー株式会社 データ復調装置およびデータ伝送方法
JP3464606B2 (ja) * 1998-03-31 2003-11-10 松下電器産業株式会社 無線通信装置及び無線通信方法
TW513873B (en) * 2000-07-27 2002-12-11 Sanyo Electric Co Radio equipment capable of real time change of antenna directivity and Doppler frequency estimating circuit used for the radio equipment
US7310304B2 (en) 2001-04-24 2007-12-18 Bae Systems Information And Electronic Systems Integration Inc. Estimating channel parameters in multi-input, multi-output (MIMO) systems
JP2003152607A (ja) * 2001-11-08 2003-05-23 Ntt Docomo Inc 通信方法、通信システム、送信機及び受信機
JP4010225B2 (ja) * 2002-10-30 2007-11-21 日本電気株式会社 アレーアンテナ送受信装置
JP4068500B2 (ja) 2003-05-14 2008-03-26 日本無線株式会社 アレイアンテナ通信装置
JP4175220B2 (ja) 2003-09-08 2008-11-05 株式会社豊田中央研究所 マルチキャリア復調方法及びマルチキャリア復調装置
JP4286629B2 (ja) * 2003-10-17 2009-07-01 富士通コンポーネント株式会社 ポインティングデバイス及び受信ユニット
WO2006075547A1 (ja) 2005-01-11 2006-07-20 Sharp Kabushiki Kaisha 適応変調制御装置および無線通信装置
KR20060104561A (ko) * 2005-03-30 2006-10-09 삼성전자주식회사 광대역 무선 통신 시스템에서 안테나 선택 다이버시티 장치및 방법
JP4657888B2 (ja) 2005-10-31 2011-03-23 シャープ株式会社 送信機及び送信方法
US8000224B2 (en) 2006-06-07 2011-08-16 Sharp Kabushiki Kaisha Receiver and frequency information estimating method
CN101809890A (zh) 2007-09-25 2010-08-18 京瓷株式会社 无线通信装置和无线通信方法
WO2009069459A1 (ja) 2007-11-29 2009-06-04 Kyocera Corporation 無線通信装置および無線通信方法
US20100317296A1 (en) 2007-11-29 2010-12-16 Kyocera Corporation Wireless communication apparatus and wireless communication method
CN101911530A (zh) 2007-12-26 2010-12-08 京瓷株式会社 无线通信装置和无线通信方法
JP4569695B2 (ja) * 2008-09-19 2010-10-27 ソニー株式会社 等化器、等化方法、プログラム、受信装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09321699A (ja) * 1996-05-30 1997-12-12 Nec Corp 移動通信システム
JP3644594B2 (ja) 1999-06-23 2005-04-27 国立大学法人 北海道大学 無線装置
JP2002043995A (ja) * 2000-07-27 2002-02-08 Sanyo Electric Co Ltd 無線装置
JP2003032167A (ja) * 2001-07-12 2003-01-31 Sanyo Electric Co Ltd 無線基地システムおよび送信指向性制御方法
JP2007247475A (ja) 2006-03-14 2007-09-27 Showa Corp 可変容量型ポンプ
JP2007255746A (ja) 2006-03-22 2007-10-04 Kyushu Univ 磁気冷凍機及び磁気冷凍方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2194662A4

Also Published As

Publication number Publication date
CN101809890A (zh) 2010-08-18
US8527008B2 (en) 2013-09-03
EP2194662A4 (en) 2014-04-23
US20100279623A1 (en) 2010-11-04
EP2194662A1 (en) 2010-06-09

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