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Method for tracking a mobile device onto a remote displaying unit

  • US 9,148,757 B2
  • Filed: 05/23/2013
  • Issued: 09/29/2015
  • Est. Priority Date: 05/30/2012
  • Status: Active Grant
First Claim
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1. A method for tracking at least one mobile device on a remote displaying unit through a mobile switching center connected to the mobile device by a wireless communication network and through a head-end linked to the mobile switching center and connected to the displaying unit by a second communication network different from the wireless communication network, said mobile device being identified by a mobile device identifier, said remote displaying unit being identified by a remote displaying unit identifier and being provided with a module for processing messages coming from the head-end identified by a head-end identifier, said mobile device being provided with a locating unit able to determine a current location of the mobile device and with a communication unit for supporting an instant messaging service, said method comprising:

  • performing an initialization phase comprising;

    generating a key and encrypting the key with a password shared between the remote displaying unit and said mobile device; and

    storing, in a memory of said mobile device, a first record referring to the displaying unit identifier and comprising the head-end identifier and said key;

    performing an operating phase comprising;

    determining the current location of the mobile device and encrypting by the mobile device the current location by using the key;

    transmitting, by the mobile device, the mobile device identifier and the encrypted current location to the displaying unit by sending a message successively addressed to the mobile switching center, to the head-end and to the remote displaying unit by means of their respective identifiers; and

    decrypting the encrypted current location with the key and displaying said location on the remote displaying unit.

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