WO2009028195A1 - 無線通信装置および無線通信システム - Google Patents

無線通信装置および無線通信システム Download PDF

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Publication number
WO2009028195A1
WO2009028195A1 PCT/JP2008/002347 JP2008002347W WO2009028195A1 WO 2009028195 A1 WO2009028195 A1 WO 2009028195A1 JP 2008002347 W JP2008002347 W JP 2008002347W WO 2009028195 A1 WO2009028195 A1 WO 2009028195A1
Authority
WO
WIPO (PCT)
Prior art keywords
wireless communication
threshold
mode
section
communication device
Prior art date
Application number
PCT/JP2008/002347
Other languages
English (en)
French (fr)
Inventor
Takafumi Sakamoto
Toshiyuki Nakanishi
Toshiyuki Umeda
Toshihisa Nabetani
Original Assignee
Kabushiki Kaisha Toshiba
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 Kabushiki Kaisha Toshiba filed Critical Kabushiki Kaisha Toshiba
Publication of WO2009028195A1 publication Critical patent/WO2009028195A1/ja

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Classifications

    • 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
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0245—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal according to signal strength
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)
  • Circuits Of Receivers In General (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Direct Current Feeding And Distribution (AREA)

Abstract

　起動のための信号を検出するための閾値の適切な設定が図られた無線通信装置及び無線通信システムを提供する。無線通信装置は、第１、第２のモードに交互に切り替わる切替部と、受信した無線信号を整流して直流信号を生成する整流器と、第１のモードのときに、整流器で生成される直流信号の強度に基づき閾値を決定する閾値決定部と、第２のモードのときに、整流器で生成される直流信号の強度が閾値決定部で決定された閾値より大きいか否かを判別する閾値判別部と、電源を制御して、前記第１のモードのときに閾値決定部に電力を供給させ、第２のモードのときに閾値判別部に電力を供給させる電源制御部と、を具備する。
PCT/JP2008/002347 2007-08-29 2008-08-28 無線通信装置および無線通信システム WO2009028195A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007222490A JP4802162B2 (ja) 2007-08-29 2007-08-29 無線通信装置および無線通信システム
JP2007-222490 2007-08-29

Publications (1)

Publication Number Publication Date
WO2009028195A1 true WO2009028195A1 (ja) 2009-03-05

Family

ID=40386934

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/002347 WO2009028195A1 (ja) 2007-08-29 2008-08-28 無線通信装置および無線通信システム

Country Status (2)

Country Link
JP (1) JP4802162B2 (ja)
WO (1) WO2009028195A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011182305A (ja) * 2010-03-03 2011-09-15 Casio Computer Co Ltd 近距離無線通信機、受信制御方法、及び、プログラム

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4798237B2 (ja) 2009-03-09 2011-10-19 株式会社デンソー Ｉｃ搭載基板、及び多層プリント配線板
CN102113347A (zh) 2009-07-29 2011-06-29 日本先锋公司 扬声器装置
EP2519028A1 (en) 2009-12-25 2012-10-31 Pioneer Solutions Corporation Speaker vibrator and speaker device
JP6055813B2 (ja) 2012-03-15 2016-12-27 株式会社国際電気通信基礎技術研究所 送信機、それにおける送信方法、送信機から無線信号を受信する受信機およびそれらを備える無線通信システム
US9413403B2 (en) * 2013-09-20 2016-08-09 The Regents Of The University Of Michigan Wake-up receiver with automatic interference rejection
EP2916596B1 (en) * 2014-03-05 2017-08-09 Fujitsu Limited Reducing power consumption of a small cell base station
JP6483602B2 (ja) * 2015-12-25 2019-03-13 日本電信電話株式会社 無線受信機および無線受信機の受信信号処理方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0946264A (ja) * 1995-07-26 1997-02-14 Oki Electric Ind Co Ltd 線形変調無線送受信装置及びその電力制御方法
JP2001156788A (ja) * 1999-11-24 2001-06-08 Matsushita Electric Ind Co Ltd 無線ｌａｎアクセスポイント
JP2007096986A (ja) * 2005-09-29 2007-04-12 Kyocera Corp 無線通信端末およびその制御方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2740025B2 (ja) * 1989-11-22 1998-04-15 株式会社東芝 無線通信装置
JP3186718B2 (ja) * 1998-11-18 2001-07-11 日本電気株式会社 キャリア検出回路

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0946264A (ja) * 1995-07-26 1997-02-14 Oki Electric Ind Co Ltd 線形変調無線送受信装置及びその電力制御方法
JP2001156788A (ja) * 1999-11-24 2001-06-08 Matsushita Electric Ind Co Ltd 無線ｌａｎアクセスポイント
JP2007096986A (ja) * 2005-09-29 2007-04-12 Kyocera Corp 無線通信端末およびその制御方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011182305A (ja) * 2010-03-03 2011-09-15 Casio Computer Co Ltd 近距離無線通信機、受信制御方法、及び、プログラム

Also Published As

Publication number Publication date
JP4802162B2 (ja) 2011-10-26
JP2009055533A (ja) 2009-03-12

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