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WO2009072355A1 - 無線通信システム、通信制御方法、無線局、及び記録媒体 - Google Patents

無線通信システム、通信制御方法、無線局、及び記録媒体 Download PDF

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Publication number
WO2009072355A1
WO2009072355A1 PCT/JP2008/068961 JP2008068961W WO2009072355A1 WO 2009072355 A1 WO2009072355 A1 WO 2009072355A1 JP 2008068961 W JP2008068961 W JP 2008068961W WO 2009072355 A1 WO2009072355 A1 WO 2009072355A1
Authority
WO
WIPO (PCT)
Prior art keywords
station
wireless
wireless station
target
reception power
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/JP2008/068961
Other languages
English (en)
French (fr)
Inventor
Motoki Morita
Kojiro Hamabe
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Priority to JP2009544610A priority Critical patent/JP5338678B2/ja
Priority to EP08857971.9A priority patent/EP2219393B1/en
Priority to US12/742,187 priority patent/US9414320B2/en
Priority to CN200880119116.XA priority patent/CN101884242B/zh
Publication of WO2009072355A1 publication Critical patent/WO2009072355A1/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]
    • H04W52/06TPC algorithms
    • H04W52/12Outer and inner loops
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04Transmission power control [TPC]
    • H04W52/18TPC being performed according to specific parameters
    • H04W52/24TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/243TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account interferences
    • H04W52/244Interferences in heterogeneous networks, e.g. among macro and femto or pico cells or other sector / system interference [OSI]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04Transmission power control [TPC]
    • H04W52/06TPC algorithms
    • H04W52/14Separate analysis of uplink or downlink
    • H04W52/146Uplink power control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04Transmission power control [TPC]
    • H04W52/18TPC being performed according to specific parameters
    • H04W52/24TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/241TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account channel quality metrics, e.g. SIR, SNR, CIR or Eb/lo
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04Transmission power control [TPC]
    • H04W52/30Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/34TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • H04W52/346TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels

Landscapes

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

Abstract

 大規模セル内に位置して移動局との間で通信を行なう無線局(例えば小規模基地局)の大規模セル内における位置に依らず、無線局と移動局の間の通信が大規模セルへ及ぼす干渉を抑えながら、無線局と移動局の間に良好な通信品質を提供する。フェムト基地局4は、マクロ基地局3から送信されるパイロット信号の受信電力Pmacroの測定結果に基づいて、上り回線における移動局からの上りデータ送信の送信電力制御に使用される上りデータの目標受信電力RTWP_targetを設定する。具体的には、パイロット信号の受信電力Pmacroが小さいほど、目標受信電力RTWP_targetを大きく設定するとよい。
PCT/JP2008/068961 2007-12-03 2008-10-20 無線通信システム、通信制御方法、無線局、及び記録媒体 Ceased WO2009072355A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2009544610A JP5338678B2 (ja) 2007-12-03 2008-10-20 無線通信システム、通信制御方法、無線局、及び記録媒体
EP08857971.9A EP2219393B1 (en) 2007-12-03 2008-10-20 Wireless communication system, communication control method, wireless station, and recording medium
US12/742,187 US9414320B2 (en) 2007-12-03 2008-10-20 Radio communication system, communication control method, radio station, and recording medium
CN200880119116.XA CN101884242B (zh) 2007-12-03 2008-10-20 无线电通信系统、通信控制方法、无线电台站和记录介质

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-312258 2007-12-03
JP2007312258 2007-12-03

Publications (1)

Publication Number Publication Date
WO2009072355A1 true WO2009072355A1 (ja) 2009-06-11

Family

ID=40717536

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/068961 Ceased WO2009072355A1 (ja) 2007-12-03 2008-10-20 無線通信システム、通信制御方法、無線局、及び記録媒体

Country Status (5)

Country Link
US (1) US9414320B2 (ja)
EP (1) EP2219393B1 (ja)
JP (1) JP5338678B2 (ja)
CN (1) CN101884242B (ja)
WO (1) WO2009072355A1 (ja)

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WO2011021387A1 (ja) * 2009-08-19 2011-02-24 パナソニック株式会社 干渉制御方法およびフェムト基地局
WO2011040609A1 (ja) * 2009-10-02 2011-04-07 京セラ株式会社 無線通信システム、大セル基地局及び通信制御方法
WO2011055555A1 (ja) * 2009-11-09 2011-05-12 パナソニック株式会社 小型基地局装置および送信電力制御方法
CN102123489A (zh) * 2010-01-08 2011-07-13 电信科学技术研究院 调整微基站上行功率的方法、装置及系统
WO2011089674A1 (ja) * 2010-01-25 2011-07-28 日本電気株式会社 移動局装置、基地局装置、無線通信システム、移動局の制御方法、及び基地局の制御方法
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JP2013510518A (ja) * 2009-11-06 2013-03-21 クゥアルコム・インコーポレイテッド アクセスポイント送信の制限
WO2013108317A1 (ja) * 2012-01-17 2013-07-25 日本電気株式会社 無線通信システム、送信電力制御装置、基地局装置、パラメータ供給装置、及び送信電力制御方法
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JP5452375B2 (ja) * 2010-06-03 2014-03-26 株式会社日立製作所 基地局
CN102457970B (zh) * 2010-10-28 2014-07-16 中兴通讯股份有限公司 无线通信系统及在协作集中切换时资源配置优化的方法
CN102395137A (zh) * 2011-11-02 2012-03-28 上海电机学院 一种微蜂窝系统中利用多天线技术消除干扰的方法及装置
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CN104160752B (zh) 2012-12-11 2018-06-19 华为技术有限公司 小区配置方法、功率控制方法、设备及系统
CN103916901A (zh) * 2012-12-31 2014-07-09 华为技术有限公司 功率控制的方法和基站
CN109640313A (zh) * 2018-11-29 2019-04-16 Tcl移动通信科技(宁波)有限公司 移动终端lte开环设置处理方法、移动终端及存储介质

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JP2012253631A (ja) * 2011-06-03 2012-12-20 Kyocera Corp 無線通信システム、高電力基地局、低電力基地局及び通信制御方法
JPWO2013108317A1 (ja) * 2012-01-17 2015-05-11 日本電気株式会社 無線通信システム、送信電力制御装置、基地局装置、パラメータ供給装置、及び送信電力制御方法
WO2013108317A1 (ja) * 2012-01-17 2013-07-25 日本電気株式会社 無線通信システム、送信電力制御装置、基地局装置、パラメータ供給装置、及び送信電力制御方法

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JP5338678B2 (ja) 2013-11-13
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