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Methods and systems for determining a location of a container

  • US 9,368,007 B2
  • Filed: 09/13/2013
  • Issued: 06/14/2016
  • Est. Priority Date: 03/17/2011
  • Status: Active Grant
First Claim
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1. A method for determining a location of a container by tracking the location of a subscriber identity module (SIM) card associated with the container, the method comprising:

  • receiving, by a location processor associated with the container, location information from at least one location source comprising a set of communication towers in a cellular network;

    receiving a cellular tower identifier from one of the communication towers;

    storing the cellular tower identifier on the SIM card;

    determining, by the location processor, the location of the SIM card based on the cellular tower identifier stored on the SIM card;

    receiving, by a modem associated with the container, information corresponding to the location of the SIM card from the location processor;

    retrieving, by the modem, identification information from the SIM card, the identification information identifying the SIM card and indicating that the SIM card is associated with one or more additional SIM cards, wherein each of the additional SIM cards is associated with a respective additional container;

    retrieving, by the modem, information regarding at least one environmental condition in the container;

    retrieving, by the modem, information regarding a condition of goods within the container; and

    transmitting, by the modem, the location information, the identification information, the information regarding the at least one environmental condition in the container, and the information regarding the condition of goods within the container to a remote server via short message service (SMS).

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