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Communication unit with over the air programming

  • US 5,754,954 A
  • Filed: 10/25/1996
  • Issued: 05/19/1998
  • Est. Priority Date: 04/04/1991
  • Status: Expired due to Term
First Claim
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1. In a communication system, having a plurality of subscriber units and a control resource, at least one of the subscriber units comprising:

  • bootstrap means having a bootstrap mode for providing the subscriber unit with limited communication with the central controller and no communication with other subscriber units without any operating system program in order to request and receive an operating system program prior to requesting and receiving authorization for using the subscriber unit;

    non-volatile storage means coupled to the bootstrap means for storing information on how to request operating program from the control resource;

    transmitter means for initiating a programming request to the control resource, the transmitter coupled to the bootstrap means for transmitting the control resource a request for an operating program;

    receiver means for receiving the operating program from the control resource; and

    controller means, coupled to the transmitter means and the receiver means, for installing the operating program in the subscriber unit in order to allow the subscriber unit to function beyond the bootstrap mode using the operating program acquired in the bootstrap mode such that the subscriber unit could communicate with other subscriber units.

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