WO2008084694A1 - 移動通信システムで使用される基地局装置、ユーザ装置及び方法 - Google Patents

移動通信システムで使用される基地局装置、ユーザ装置及び方法 Download PDF

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Publication number
WO2008084694A1
WO2008084694A1 PCT/JP2007/074958 JP2007074958W WO2008084694A1 WO 2008084694 A1 WO2008084694 A1 WO 2008084694A1 JP 2007074958 W JP2007074958 W JP 2007074958W WO 2008084694 A1 WO2008084694 A1 WO 2008084694A1
Authority
WO
WIPO (PCT)
Prior art keywords
user device
base station
communication system
mobile communication
method used
Prior art date
Application number
PCT/JP2007/074958
Other languages
English (en)
French (fr)
Inventor
Yoshihisa Kishiyama
Kenichi Higuchi
Mamoru Sawahashi
Original Assignee
Ntt Docomo, Inc.
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 Ntt Docomo, Inc. filed Critical Ntt Docomo, Inc.
Priority to CN200780049347.3A priority Critical patent/CN101573898B/zh
Priority to EP07860187A priority patent/EP2104247A4/en
Priority to KR1020097013991A priority patent/KR20090106504A/ko
Priority to US12/521,970 priority patent/US20100048237A1/en
Publication of WO2008084694A1 publication Critical patent/WO2008084694A1/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
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/08—Closed loop power control
    • 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
    • H04W52/242—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account path loss
    • 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
    • H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70702—Intercell-related aspects
    • 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
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/146—Uplink power control
    • 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
    • H04W52/243—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account interferences
    • 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
    • H04W52/246—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters where the output power of a terminal is based on a path parameter calculated in said terminal
    • 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
    • H04W52/247—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters where the output power of a terminal is based on a path parameter sent by another terminal

Landscapes

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

Abstract

　基地局装置は、ユーザ装置から報告された伝搬損失が、所定の条件に合致するか否かを判定する判定手段と、他セルからの低電力化の要請に応じて、ユーザ装置が送信電力を下げるべきか否かを示す指示信号を、判定手段での判定結果に従って作成する手段と、指示信号を前記ユーザ装置に送信する手段とを有する。伝搬損失は、ある期間にわたる平均的な受信品質及び所要品質から導出される。これにより他セルからの低電力化の要請に真に従うべきユーザ装置だけが送信電力を下げ、他セル干渉の均一化を図ることができる。
PCT/JP2007/074958 2007-01-09 2007-12-26 移動通信システムで使用される基地局装置、ユーザ装置及び方法 WO2008084694A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN200780049347.3A CN101573898B (zh) 2007-01-09 2007-12-26 在移动通信系统中使用的基站装置、用户装置和方法
EP07860187A EP2104247A4 (en) 2007-01-09 2007-12-26 BASE STATION DEVICE, USER DEVICE, AND METHOD USED IN MOBILE COMMUNICATION SYSTEM
KR1020097013991A KR20090106504A (ko) 2007-01-09 2007-12-26 이동통신시스템에서 사용되는 기지국장치, 유저장치 및 방법
US12/521,970 US20100048237A1 (en) 2007-01-09 2007-12-26 Base station apparatus, user equipment, and method used in mobile communication system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-001856 2007-01-09
JP2007001856A JP5247034B2 (ja) 2007-01-09 2007-01-09 移動通信システムで使用される基地局装置、ユーザ装置及び送信電力決定方法

Publications (1)

Publication Number Publication Date
WO2008084694A1 true WO2008084694A1 (ja) 2008-07-17

Family

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Application Number Title Priority Date Filing Date
PCT/JP2007/074958 WO2008084694A1 (ja) 2007-01-09 2007-12-26 移動通信システムで使用される基地局装置、ユーザ装置及び方法

Country Status (6)

Country Link
US (1) US20100048237A1 (ja)
EP (1) EP2104247A4 (ja)
JP (1) JP5247034B2 (ja)
KR (1) KR20090106504A (ja)
CN (1) CN101573898B (ja)
WO (1) WO2008084694A1 (ja)

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WO2010102486A1 (zh) * 2009-03-10 2010-09-16 中兴通讯股份有限公司 一种过载指示器报告的触发方法和系统
WO2011083947A3 (en) * 2010-01-08 2011-11-10 Samsung Electronics Co., Ltd. Method for reducing power consumption of base station in wireless communication system
WO2012137074A1 (en) * 2011-04-04 2012-10-11 Alcatel Lucent Method, user equipment and base station for initializing secondary cell in cellular communication system
US8811222B2 (en) * 2008-08-08 2014-08-19 Nokia Siemens Networks Oy Method and apparatus for controlling power of mobile station

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US8538450B2 (en) * 2009-07-16 2013-09-17 Qualcomm Incorporated User equipment and base station behavior in response to an overload indicator
WO2011023595A2 (en) * 2009-08-25 2011-03-03 Nokia Siemens Networks Oy A method of controlling uplink transmission power in a communications network
US8989086B2 (en) 2009-11-13 2015-03-24 Samsung Electronics Co., Ltd. Methods and apparatus to support interference management in multi-tier wireless communication systems
CN102196537A (zh) * 2010-03-05 2011-09-21 中兴通讯股份有限公司 功率状态信息的处理方法、终端及基站
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US8676216B2 (en) * 2010-06-29 2014-03-18 Qualcomm Incorporated Method and apparatus for mitigating interference in femtocell deployments
JP5715637B2 (ja) * 2010-10-07 2015-05-13 パナソニック インテレクチュアル プロパティ コーポレーション オブアメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 無線通信装置、無線通信方法、及び処理回路
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US8811222B2 (en) * 2008-08-08 2014-08-19 Nokia Siemens Networks Oy Method and apparatus for controlling power of mobile station
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CN102740444B (zh) * 2011-04-04 2016-03-23 上海贝尔股份有限公司 在蜂窝通信系统中初始化从小区的方法、用户设备和基站
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Also Published As

Publication number Publication date
JP2008172376A (ja) 2008-07-24
US20100048237A1 (en) 2010-02-25
CN101573898B (zh) 2014-05-07
CN101573898A (zh) 2009-11-04
EP2104247A1 (en) 2009-09-23
KR20090106504A (ko) 2009-10-09
JP5247034B2 (ja) 2013-07-24
EP2104247A4 (en) 2012-09-19

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