WO2009040883A1 - 送信電力制御システム、送信電力制御方法及び端末装置 - Google Patents

送信電力制御システム、送信電力制御方法及び端末装置 Download PDF

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Publication number
WO2009040883A1
WO2009040883A1 PCT/JP2007/068574 JP2007068574W WO2009040883A1 WO 2009040883 A1 WO2009040883 A1 WO 2009040883A1 JP 2007068574 W JP2007068574 W JP 2007068574W WO 2009040883 A1 WO2009040883 A1 WO 2009040883A1
Authority
WO
WIPO (PCT)
Prior art keywords
transmission power
terminal device
power control
control system
control method
Prior art date
Application number
PCT/JP2007/068574
Other languages
English (en)
French (fr)
Inventor
Takeshi Kawagishi
Kanji Hozumi
Original Assignee
Fujitsu Limited
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 Fujitsu Limited filed Critical Fujitsu Limited
Priority to PCT/JP2007/068574 priority Critical patent/WO2009040883A1/ja
Priority to JP2009534075A priority patent/JP5062259B2/ja
Publication of WO2009040883A1 publication Critical patent/WO2009040883A1/ja
Priority to US12/724,982 priority patent/US8204534B2/en

Links

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
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Transmitters (AREA)

Abstract

　端末装置（無線端末装置６）の受信ダイバーシチの切替え（動作状態から停止状態、又は停止状態から動作状態への切替え）によって端末装置（無線端末装置６）に生起する受信特性の急激な変動を回避するため、その受信特性の変動に対応する送信電力制御情報を端末装置に生起させて上り信号に加算し、その送信電力制御情報に基づいて基地局（４）の下り信号の送信電力を制御することにより、通信特性の劣化を防止し、また過剰な電力消費を低減する。
PCT/JP2007/068574 2007-09-25 2007-09-25 送信電力制御システム、送信電力制御方法及び端末装置 WO2009040883A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2007/068574 WO2009040883A1 (ja) 2007-09-25 2007-09-25 送信電力制御システム、送信電力制御方法及び端末装置
JP2009534075A JP5062259B2 (ja) 2007-09-25 2007-09-25 送信電力制御システム、送信電力制御方法及び端末装置
US12/724,982 US8204534B2 (en) 2007-09-25 2010-03-16 Transmit power control system, transmit power control method, and terminal device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/068574 WO2009040883A1 (ja) 2007-09-25 2007-09-25 送信電力制御システム、送信電力制御方法及び端末装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/724,982 Continuation US8204534B2 (en) 2007-09-25 2010-03-16 Transmit power control system, transmit power control method, and terminal device

Publications (1)

Publication Number Publication Date
WO2009040883A1 true WO2009040883A1 (ja) 2009-04-02

Family

ID=40510797

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/068574 WO2009040883A1 (ja) 2007-09-25 2007-09-25 送信電力制御システム、送信電力制御方法及び端末装置

Country Status (3)

Country Link
US (1) US8204534B2 (ja)
JP (1) JP5062259B2 (ja)
WO (1) WO2009040883A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011176561A (ja) * 2010-02-24 2011-09-08 Hitachi Kokusai Electric Inc 無線通信装置
JP2013125980A (ja) * 2011-12-13 2013-06-24 Kyocera Corp 移動端末、無線通信システム、および無線通信方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9048913B2 (en) * 2010-07-06 2015-06-02 Google Inc. Method and apparatus for adaptive control of transmit diversity to provide operating power reduction
US9083416B2 (en) * 2012-06-20 2015-07-14 Intel Mobile Communications GmbH Combining in receive diversity systems
US9595988B2 (en) * 2014-12-10 2017-03-14 Intel Corporation Communication device and method for receiving a signal
DE102015106201A1 (de) * 2015-04-22 2016-10-27 Intel IP Corporation Schaltung, integrierte schaltung, empfänger, sendeempfänger und verfahren zum empfangen eines signals

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07107033A (ja) * 1993-09-29 1995-04-21 N T T Idou Tsuushinmou Kk 移動通信の基地局装置及び移動局装置
JP2001359145A (ja) * 2000-06-14 2001-12-26 Sony Corp 移動体無線通信装置および移動体無線通信測定動作の制御方法
JP2002198900A (ja) * 2000-12-27 2002-07-12 Fujitsu Ltd 下り送信電力制御方法、移動通信システム、基地局、移動局、交換局側装置
JP2003069493A (ja) * 2001-08-28 2003-03-07 Mitsubishi Electric Corp 無線通信システム、無線通信システムの端末局及び基地局、並びにその送信電力制御方法
JP2004040553A (ja) * 2002-07-04 2004-02-05 Kenwood Corp 通信装置
JP2006254093A (ja) * 2005-03-10 2006-09-21 Nec Corp 通信端末、移動通信システムおよび基地局データ送信制御方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7024168B1 (en) 1999-07-07 2006-04-04 Telefonaktiebolaget L M Ericsson (Publ) Controlled antenna diversity
KR100575930B1 (ko) * 2003-05-16 2006-05-02 삼성전자주식회사 송신다이버시티를 사용하는 이동통신 시스템에 있어송신다이버시티의 방식 전환 장치 및 방법
WO2005088864A1 (en) 2004-03-05 2005-09-22 Qualcomm Incorporated Multi-antenna receive diversity control in wireless communications
US20060068831A1 (en) * 2004-09-30 2006-03-30 Stewart Kenneth A Predictive power control in a digital diversity receiver
JP4667118B2 (ja) 2005-05-17 2011-04-06 株式会社エヌ・ティ・ティ・ドコモ ダイバーシチ受信機及びダイバーシチ受信動作の制御方法
WO2007129381A1 (ja) * 2006-04-28 2007-11-15 Fujitsu Limited 受信ダイバシチ機能を有するｗ－ｃｄｍａ方式による移動機、及びそのシステム
FI20065545A0 (fi) * 2006-09-01 2006-09-01 Nokia Corp Vastaanotinantennidiversiteetin ohjaus
US20080111748A1 (en) * 2006-11-10 2008-05-15 Dunn Doug L Antenna system having plural selectable antenna feed points and method of operation thereof
CN101657978B (zh) * 2007-03-08 2014-11-26 马维尔以色列（M.I.S.L）有限公司 动态可重配置接收机

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07107033A (ja) * 1993-09-29 1995-04-21 N T T Idou Tsuushinmou Kk 移動通信の基地局装置及び移動局装置
JP2001359145A (ja) * 2000-06-14 2001-12-26 Sony Corp 移動体無線通信装置および移動体無線通信測定動作の制御方法
JP2002198900A (ja) * 2000-12-27 2002-07-12 Fujitsu Ltd 下り送信電力制御方法、移動通信システム、基地局、移動局、交換局側装置
JP2003069493A (ja) * 2001-08-28 2003-03-07 Mitsubishi Electric Corp 無線通信システム、無線通信システムの端末局及び基地局、並びにその送信電力制御方法
JP2004040553A (ja) * 2002-07-04 2004-02-05 Kenwood Corp 通信装置
JP2006254093A (ja) * 2005-03-10 2006-09-21 Nec Corp 通信端末、移動通信システムおよび基地局データ送信制御方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011176561A (ja) * 2010-02-24 2011-09-08 Hitachi Kokusai Electric Inc 無線通信装置
JP2013125980A (ja) * 2011-12-13 2013-06-24 Kyocera Corp 移動端末、無線通信システム、および無線通信方法

Also Published As

Publication number Publication date
JP5062259B2 (ja) 2012-10-31
US20100173666A1 (en) 2010-07-08
JPWO2009040883A1 (ja) 2011-01-13
US8204534B2 (en) 2012-06-19

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