[go: up one dir, main page]

WO2008107930A1 - 送信電力制御方法、及び無線通信システム - Google Patents

送信電力制御方法、及び無線通信システム Download PDF

Info

Publication number
WO2008107930A1
WO2008107930A1 PCT/JP2007/000165 JP2007000165W WO2008107930A1 WO 2008107930 A1 WO2008107930 A1 WO 2008107930A1 JP 2007000165 W JP2007000165 W JP 2007000165W WO 2008107930 A1 WO2008107930 A1 WO 2008107930A1
Authority
WO
WIPO (PCT)
Prior art keywords
transmission power
ptx
communication system
control method
power control
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2007/000165
Other languages
English (en)
French (fr)
Inventor
Dai Kimura
Hiroyuki Seki
Tsuyoshi Shimomura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Ltd filed Critical Fujitsu Ltd
Priority to JP2009502345A priority Critical patent/JP5155995B2/ja
Priority to PCT/JP2007/000165 priority patent/WO2008107930A1/ja
Publication of WO2008107930A1 publication Critical patent/WO2008107930A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04Transmission power control [TPC]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B2201/00Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/7097Direct sequence modulation interference
    • H04B2201/709709Methods of preventing interference

Landscapes

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

Abstract

 移動局10は、受信信号から接続基地局100へのパスロスL0と、最大隣接基地局200へのパスロスL1を求める。移動局10は、2つのパスロスL0,L1に夫々基づいて2つの送信電力PTX_S,PTX_Iを演算する。移動局10は、2つの送信電力PTX_S,PTX_Iのうち、小さい方を接続基地局100に対する送信電力PTXとして決定する。あるいは、移動局10は2つの送信電力PTX_S,PTX_Iに対して一定の割合α(0<α<1)で加算した値を送信電力PTXとして決定する。
PCT/JP2007/000165 2007-03-02 2007-03-02 送信電力制御方法、及び無線通信システム Ceased WO2008107930A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009502345A JP5155995B2 (ja) 2007-03-02 2007-03-02 送信電力制御方法、及び無線通信システム
PCT/JP2007/000165 WO2008107930A1 (ja) 2007-03-02 2007-03-02 送信電力制御方法、及び無線通信システム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/000165 WO2008107930A1 (ja) 2007-03-02 2007-03-02 送信電力制御方法、及び無線通信システム

Publications (1)

Publication Number Publication Date
WO2008107930A1 true WO2008107930A1 (ja) 2008-09-12

Family

ID=39737836

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/000165 Ceased WO2008107930A1 (ja) 2007-03-02 2007-03-02 送信電力制御方法、及び無線通信システム

Country Status (2)

Country Link
JP (1) JP5155995B2 (ja)
WO (1) WO2008107930A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011101178A (ja) * 2009-11-05 2011-05-19 Kyocera Corp 無線基地局及び通信制御方法
JP2013513324A (ja) * 2009-12-08 2013-04-18 ホアウェイ・テクノロジーズ・カンパニー・リミテッド 電力制御のためのシステムおよび方法
CN112840709A (zh) * 2018-10-23 2021-05-25 华为技术有限公司 具有多接入点协调的通信系统中的上行功率控制系统和方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998048528A1 (fr) * 1997-04-24 1998-10-29 Ntt Mobile Communications Network Inc. Procede et systeme de communication mobile
JP2000216727A (ja) * 1998-12-14 2000-08-04 Nokia Mobile Phones Ltd 無線通信ネットワ―クにおけるサ―ビスの利用可能性を決定する方法
JP2005318327A (ja) * 2004-04-28 2005-11-10 Matsushita Electric Ind Co Ltd 通信端末装置及び送信電力制御方法
JP2007502572A (ja) * 2003-08-19 2007-02-08 エルジー エレクトロニクス インコーポレイティド 移動通信システムにおけるNodeBスケジューリング方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998048528A1 (fr) * 1997-04-24 1998-10-29 Ntt Mobile Communications Network Inc. Procede et systeme de communication mobile
JP2000216727A (ja) * 1998-12-14 2000-08-04 Nokia Mobile Phones Ltd 無線通信ネットワ―クにおけるサ―ビスの利用可能性を決定する方法
JP2007502572A (ja) * 2003-08-19 2007-02-08 エルジー エレクトロニクス インコーポレイティド 移動通信システムにおけるNodeBスケジューリング方法
JP2005318327A (ja) * 2004-04-28 2005-11-10 Matsushita Electric Ind Co Ltd 通信端末装置及び送信電力制御方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011101178A (ja) * 2009-11-05 2011-05-19 Kyocera Corp 無線基地局及び通信制御方法
JP2013513324A (ja) * 2009-12-08 2013-04-18 ホアウェイ・テクノロジーズ・カンパニー・リミテッド 電力制御のためのシステムおよび方法
US9031599B2 (en) 2009-12-08 2015-05-12 Futurewei Technologies, Inc. System and method for power control
US10334535B2 (en) 2009-12-08 2019-06-25 Huawei Technologies Co., Ltd. System and method for power control
CN112840709A (zh) * 2018-10-23 2021-05-25 华为技术有限公司 具有多接入点协调的通信系统中的上行功率控制系统和方法

Also Published As

Publication number Publication date
JP5155995B2 (ja) 2013-03-06
JPWO2008107930A1 (ja) 2010-06-03

Similar Documents

Publication Publication Date Title
WO2004073205A3 (en) Power control for reverse packet data channel in cdma systems
WO2011052965A3 (en) Dynamic uplink power control method and device in a wireless communications system
WO2009051412A3 (en) Method of controlling uplink power in wireless communication system
WO2010144238A3 (en) Femto-cell power control using idle-mode user equipment in a cellular communication system
WO2009001400A1 (ja) 無線通信における電力制御システム
WO2012064100A3 (ko) 무선통신 시스템에서 전력상태보고를 전송하기 위한 방법 및 이를 위한 단말 장치
WO2010087623A2 (ko) 전송 전력을 제어하는 방법 및 이를 위한 장치
WO2008136294A1 (ja) 移動通信システムにおけるユーザ装置、基地局装置及び通信制御方法
WO2007103764A3 (en) Method and system of interrupting a transmitting subscriber in a wireless communications system
WO2007139680A3 (en) Controlling transmit power of picocell base units
WO2007024895A3 (en) Access point interference control and selection methods
WO2008156314A3 (en) Effective system information reception method
WO2010087622A3 (ko) 전송 전력을 제어하는 방법 및 이를 위한 장치
WO2006138570A3 (en) Serving base station selection in a wireless communication system
WO2008078357A1 (ja) 無線通信方法及び基地局並びにユーザ端末
SG127744A1 (en) Mobile station, base station, communications system, and communication method
WO2007087483A3 (en) Power control in schedulable wireless communication terminal
WO2008084371A8 (en) Power control and channel reuse techniques for wireless relay networks
EP1811684A3 (en) Transmission power control technique and wireless communications system using the same
WO2009022825A3 (en) Effective reception method in wireless communication system providing mbms service
WO2013025014A3 (ko) 무선 통신 시스템에서 상향링크 전송 전력을 제어하는 장치 및 방법
EP1578031A3 (en) Power control for wireless communications
WO2009010906A3 (en) Link adaptation by channel bundling in a wireless communication system
WO2005029878A3 (en) System and method of operation for network overlay geolocation system with repeaters
WO2004036846A3 (en) Operating an ad-hoc wireless network in one or more regulatory regions

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 07713547

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2009502345

Country of ref document: JP

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 07713547

Country of ref document: EP

Kind code of ref document: A1