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POSITION INFORMATION DISTRIBUTION SERVER, POSITION INFORMATION DISTRIBUTION METHOD, POSITION INFORMATION DISTRIBUTION PROGRAM, AND POSITION INFORMATION TRANSMISSION SYSTEM

  • US 20170238165A1
  • Filed: 05/03/2017
  • Published: 08/17/2017
  • Est. Priority Date: 01/26/2015
  • Status: Active Grant
First Claim
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1. A position information distribution server comprising:

  • a communication unit that receives identification information of a cellular phone and position information of the cellular phone from base transceiver stations, switching centers, VLRs, or an HLR; and

    a recording unit that records a first table including information to specify a server transmitting the position information among position information provision servers, for each identification information of the cellular phone, whereinthe position information distribution server is provided outside a core network including the switching centers and the HLR,the position information provision servers are servers that provide position information services for transmitting the position information transmitted from the position information distribution server to information terminals,when the communication unit receives the identification information and the position information of the cellular phone, the communication unit transmits the identification information and the position information of the cellular phone to a server shown in the first table among the position information provision servers,position information received by the position information distribution server in the position information includes latitude/longitude information of the cellular phone, identification information or latitude/longitude information of a base transceiver station performing communication with the cellular phone among the base transceiver stations, or identification information or latitude/longitude information of a base transceiver station area including the base transceiver station performing communication with the cellular phone among the base transceiver stations, andposition information transmitted from the position information distribution server to the position information provision servers in the position information includes the latitude/longitude information or an area name of the cellular phone, the latitude/longitude information or an area name of the base transceiver station performing communication with the cellular phone among the base transceiver stations, or the latitude/longitude information or an area name of the base transceiver station area including the base transceiver station performing communication with the cellular phone among the base transceiver stations.

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