JP2009164863A5 - - Google Patents

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JP2009164863A5
JP2009164863A5 JP2008000248A JP2008000248A JP2009164863A5 JP 2009164863 A5 JP2009164863 A5 JP 2009164863A5 JP 2008000248 A JP2008000248 A JP 2008000248A JP 2008000248 A JP2008000248 A JP 2008000248A JP 2009164863 A5 JP2009164863 A5 JP 2009164863A5
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mobile station
communication
base station
mobile
station
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JP2008000248A
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JP2009164863A (en
JP4926080B2 (en
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Priority to JP2008000248A priority Critical patent/JP4926080B2/en
Priority claimed from JP2008000248A external-priority patent/JP4926080B2/en
Publication of JP2009164863A publication Critical patent/JP2009164863A/en
Publication of JP2009164863A5 publication Critical patent/JP2009164863A5/ja
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Claims (4)

送信側移動局から送信された信号を基地局経由の移動局間通信チャネルで受信し、前記送信側移動局から送信された信号を移動局間の直接通信チャネルで受信する受信側移動局を含む無線通信システムであって、
前記受信側移動局は、基地局経由の移動局間通信では、前記基地局から前記受信側移動局への下り方向の前記移動局間通信チャネルで受信し、
移動局間直接通信では、前記直接通信チャネルで受信し、
前記受信側移動局は待ち受け時に、前記移動局間通信チャネルと前記直接通信チャネルによる信号の受信の有無を周期的に交互に確認することを特徴とする、無線通信システム。 Including a receiving mobile station that receives a signal transmitted from a transmitting mobile station via a communication channel between mobile stations via a base station and receives a signal transmitted from the transmitting mobile station via a direct communication channel between mobile stations A wireless communication system,
In the inter-mobile station communication via the base station, the receiving-side mobile station receives the mobile station communication channel in the downlink direction from the base station to the receiving-side mobile station ,
In direct communication between mobile stations, it is received via the direct communication channel ,
During waiting said recipient mobile station, characterized in that it checks for the reception of a signal by the direct communication channel with the inter-mobile station communication channels regularly alternately, a wireless communication system. 前記送信側移動局は、前記基地局の通信圏内での所在の有無の情報を送信信号とともに送信し、
前記受信側移動局は、前記基地局の通信圏外に所在する前記送信側移動局からの信号は前記移動局間の直接通信チャネルを用いて受信し、前記基地局の通信圏内に所在する前記送信側移動局からの信号は前記基地局経由の移動局間通信チャネルを用いて受信することを特徴とする、請求項１に記載の無線通信システム。 The transmitting mobile station transmits information on presence / absence of the base station within the communication area together with a transmission signal,
The receiving mobile station, signals from the transmitting mobile stations located outside the communication range of the base station receives using direct communication cinch Yaneru between said mobile station, located in the communication distance of the base station the signal from the transmitting mobile station characterized by receiving with the mobile station during communication cinch Yaneru via the base station, a radio communication system according to claim 1. 前記送信側移動局は、前記基地局の通信圏内での所在の有無の情報を送信信号とともに送信し、
前記受信側移動局は、前記移動局間の直接通信チャネルの信号の電界と前記基地局経由の移動局間通信チャネルの信号の電界とを計測し、
前記受信側移動局は、前記基地局の通信圏外に所在する前記送信側移動局からの信号は前記移動局間の直接通信チャネルを用いて受信し、前記基地局の通信圏内に所在する前記送信側移動局からの信号は、前記計測結果に基づいて前記移動局間の直接通信チャネルと前記基地局経由の移動局間通信チャネルとを選択して受信することを特徴とする、請求項１に記載の無線通信システム。 The transmitting mobile station transmits information on presence / absence of the base station within the communication area together with a transmission signal,
The receiving mobile station measures a field of direct communication cinch Yaneru signal field and the mobile station during communication cinch Yaneru signal via the base station of between said mobile station,
The receiving mobile station, signals from the transmitting mobile stations located outside the communication range of the base station receives using direct communication cinch Yaneru between said mobile station, located in the communication distance of the base station the signal from the transmitting mobile station, characterized by selecting and receiving directly through cinch Yaneru and the mobile station during communication cinch Yaneru via the base station between the mobile station based on the measurement result of The wireless communication system according to claim 1. 送信側移動局から送信された信号を基地局経由の移動局間通信チャネルで受信し、前記送信側移動局から送信された信号を移動局間の直接通信チャネルで受信する移動局において、In a mobile station that receives a signal transmitted from a transmitting-side mobile station on a communication channel between mobile stations via a base station, and receives a signal transmitted from the transmitting-side mobile station on a direct communication channel between mobile stations
前記移動局は、基地局経由の移動局間通信では、前記基地局からの下り方向の移動局間通信チャネルで受信し、  In the inter-mobile station communication via the base station, the mobile station receives on the downlink mobile station communication channel from the base station,
移動局間直接通信では、前記直接通信チャネルで受信し、  In direct communication between mobile stations, it is received via the direct communication channel,
待ち受け時に前記移動局間通信チャネルと前記直接通信チャネルによる信号の受信の有無を周期的に交互に確認することを特徴とする、移動局。  A mobile station characterized by periodically checking alternately whether or not a signal is received through the inter-mobile-station communication channel and the direct communication channel during standby.
JP2008000248A 2008-01-07 2008-01-07 Wireless communication system and mobile station Expired - Fee Related JP4926080B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008000248A JP4926080B2 (en) 2008-01-07 2008-01-07 Wireless communication system and mobile station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008000248A JP4926080B2 (en) 2008-01-07 2008-01-07 Wireless communication system and mobile station

Publications (3)

Publication Number Publication Date
JP2009164863A JP2009164863A (en) 2009-07-23
JP2009164863A5 true JP2009164863A5 (en) 2010-08-19
JP4926080B2 JP4926080B2 (en) 2012-05-09

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Family Applications (1)

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JP2008000248A Expired - Fee Related JP4926080B2 (en) 2008-01-07 2008-01-07 Wireless communication system and mobile station

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JP (1) JP4926080B2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4769334B1 (en) * 2010-12-27 2011-09-07 パナソニック株式会社 Wireless communication terminal device and wireless communication method
JP5363529B2 (en) * 2011-05-19 2013-12-11 株式会社エヌ・ティ・ティ・ドコモ Mobile communication system
US9549427B2 (en) 2011-11-14 2017-01-17 Kyocera Corporation Transmission of device to device sounding reference signals using macrocell communication resources
US20160143080A1 (en) * 2013-07-09 2016-05-19 Sharp Kabushiki Kaisha Communication control method, terminal device, and base station apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000333246A (en) * 1999-05-20 2000-11-30 Fujitsu General Ltd Radio communication system
JP2002281557A (en) * 2001-03-19 2002-09-27 Fujitsu General Ltd Digital mobile communication system
JP2004254058A (en) * 2003-02-20 2004-09-09 Hitachi Kokusai Electric Inc Mobile wireless unit and digital mobile communication system employing the same

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