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Radio communication system, mobile terminal and radio communication method

  • US 20050148320A1
  • Filed: 12/27/2004
  • Published: 07/07/2005
  • Est. Priority Date: 12/26/2003
  • Status: Active Grant
First Claim
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1. A radio communication system comprising:

  • a plurality of mobile terminals and a management apparatus communicating with the plurality of mobile terminals via a communication network;

    the mobile terminal including a radio communication portion having a radio communication function, a location acquisition portion acquiring a locating information of the mobile terminal, and a first control portion making the radio communication portion transmit at least the locating information when receiving a request from the management apparatus;

    the management apparatus including a storing portion storing a position information of each mobile terminal based on the locating information transmitted from the plurality of mobile terminals, and a second control portion transmitting the request to the plurality of mobile terminals, judging whether the locating information has been received or not from all the mobile terminals that were transmitted with the request, and specifying a position of any mobile terminal from which the locating information has been received based on the position information stored in the storing portion when not receiving all locating information.

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