WO2008126604A1 - ユーザ装置、基地局装置、移動通信システム及び通信制御方法 - Google Patents

ユーザ装置、基地局装置、移動通信システム及び通信制御方法 Download PDF

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Publication number
WO2008126604A1
WO2008126604A1 PCT/JP2008/054518 JP2008054518W WO2008126604A1 WO 2008126604 A1 WO2008126604 A1 WO 2008126604A1 JP 2008054518 W JP2008054518 W JP 2008054518W WO 2008126604 A1 WO2008126604 A1 WO 2008126604A1
Authority
WO
WIPO (PCT)
Prior art keywords
base station
communication system
control method
mobile communication
user device
Prior art date
Application number
PCT/JP2008/054518
Other languages
English (en)
French (fr)
Inventor
Hiroyuki Ishii
Takehiro Nakamura
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 CN200880016887A priority Critical patent/CN101682388A/zh
Priority to JP2009509006A priority patent/JPWO2008126604A1/ja
Priority to US12/531,847 priority patent/US20100086070A1/en
Priority to EP08721934A priority patent/EP2139244A1/en
Publication of WO2008126604A1 publication Critical patent/WO2008126604A1/ja

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
    • H04B7/0805—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with single receiver and antenna switching
    • H04B7/0814—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with single receiver and antenna switching based on current reception conditions, e.g. switching to different antenna when signal level is below threshold
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering

Landscapes

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

Abstract

　移動通信システムで基地局装置と通信するユーザ装置は、複数のアンテナと、周波数に応じてアンテナを選択する選択手段と、選択手段により選択されたアンテナを用いて、信号を受信する受信手段とを具備する。選択手段は、周波数が所定の閾値（例えば、１ＧＨｚ）よりも大きい場合に、複数のアンテナの内の全てのアンテナを選択し、周波数が所定の閾値よりも大きくない場合に、前記複数のアンテナの内の１つのアンテナを選択する。
PCT/JP2008/054518 2007-03-23 2008-03-12 ユーザ装置、基地局装置、移動通信システム及び通信制御方法 WO2008126604A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN200880016887A CN101682388A (zh) 2007-03-23 2008-03-12 用户装置、基站装置、移动通信系统和通信控制方法
JP2009509006A JPWO2008126604A1 (ja) 2007-03-23 2008-03-12 ユーザ装置、基地局装置、移動通信システム及び通信制御方法
US12/531,847 US20100086070A1 (en) 2007-03-23 2008-03-12 User apparatus, base station apparatus, mobile communication system and communication control method
EP08721934A EP2139244A1 (en) 2007-03-23 2008-03-12 User device, base station device, mobile communication system and communication control method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-077899 2007-03-23
JP2007077899 2007-03-23

Publications (1)

Publication Number Publication Date
WO2008126604A1 true WO2008126604A1 (ja) 2008-10-23

Family

ID=39863736

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/054518 WO2008126604A1 (ja) 2007-03-23 2008-03-12 ユーザ装置、基地局装置、移動通信システム及び通信制御方法

Country Status (6)

Country Link
US (1) US20100086070A1 (ja)
EP (1) EP2139244A1 (ja)
JP (1) JPWO2008126604A1 (ja)
KR (1) KR20090122991A (ja)
CN (1) CN101682388A (ja)
WO (1) WO2008126604A1 (ja)

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JP2012257204A (ja) * 2011-04-18 2012-12-27 Apple Inc 単一チップの無線機に伴うｌｔｅ／１ｘデュアルスタンバイ
JP2016040943A (ja) * 2008-11-04 2016-03-24 アップル インコーポレイテッド 無線通信方法、移動局及び基地局

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EP2293472A1 (en) * 2008-06-23 2011-03-09 Panasonic Corporation Wireless communication base station apparatus and reference signal allocation method
JP5651092B2 (ja) * 2011-09-28 2015-01-07 京セラ株式会社 基地局及び通信制御方法
US9130634B2 (en) 2013-08-30 2015-09-08 Qualcomm Incorporated Digital antenna switching

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JP2005065254A (ja) * 2003-07-29 2005-03-10 Toshiba Corp 無線受信装置及び無線受信方法
JP2005217590A (ja) * 2004-01-28 2005-08-11 Matsushita Electric Ind Co Ltd 無線通信装置、無線通信システム及びアンテナ切替え方法
JP2005236666A (ja) * 2004-02-19 2005-09-02 Murata Mfg Co Ltd Ｏｆｄｍ復調装置
JP2006174355A (ja) * 2004-12-20 2006-06-29 Matsushita Electric Ind Co Ltd 受信機
JP2007077899A (ja) 2005-09-15 2007-03-29 Hino Motors Ltd 二段過給システム
JP2008085867A (ja) * 2006-09-28 2008-04-10 Sony Corp 受信機および受信方法

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Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005065254A (ja) * 2003-07-29 2005-03-10 Toshiba Corp 無線受信装置及び無線受信方法
JP2005217590A (ja) * 2004-01-28 2005-08-11 Matsushita Electric Ind Co Ltd 無線通信装置、無線通信システム及びアンテナ切替え方法
JP2005236666A (ja) * 2004-02-19 2005-09-02 Murata Mfg Co Ltd Ｏｆｄｍ復調装置
JP2006174355A (ja) * 2004-12-20 2006-06-29 Matsushita Electric Ind Co Ltd 受信機
JP2007077899A (ja) 2005-09-15 2007-03-29 Hino Motors Ltd 二段過給システム
JP2008085867A (ja) * 2006-09-28 2008-04-10 Sony Corp 受信機および受信方法

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016040943A (ja) * 2008-11-04 2016-03-24 アップル インコーポレイテッド 無線通信方法、移動局及び基地局
US9485755B2 (en) 2008-11-04 2016-11-01 Apple Inc. Providing a downlink control structure in a first carrier to indicate control information in a second, different carrier
US9913276B2 (en) 2008-11-04 2018-03-06 Apple Inc. Providing a downlink control structure in a first carrier to indicate information in a second, different carrier
US10206213B2 (en) 2008-11-04 2019-02-12 Apple Inc. Providing a downlink control structure in a first carrier to indicate information in a second different carrier
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Also Published As

Publication number Publication date
CN101682388A (zh) 2010-03-24
JPWO2008126604A1 (ja) 2010-07-22
EP2139244A1 (en) 2009-12-30
KR20090122991A (ko) 2009-12-01
US20100086070A1 (en) 2010-04-08

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