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Subscriber unit and method of cell selection for a cellular communication system

  • US 6,584,325 B1
  • Filed: 11/15/1999
  • Issued: 06/24/2003
  • Est. Priority Date: 03/17/1999
  • Status: Expired due to Term
First Claim
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1. A subscriber unit for use in a cellular communication system having a plurality of base stations supporting at least said subscriber unit and transmitting a pilot signal and uplink characteristics information, the subscriber unit comprising:

  • receiving means for receiving the uplink characteristics information from a target set of base stations selected from said plurality of base stations;

    means for calculating, when in idle mode, a random access message transmit power level of a random access message in response to said uplink characteristics information;

    base station selection means for determining, when in idle mode, at least one serving base station in response to said calculated random access message transmit power level; and

    transmitting means for exiting idle mode by accessing the cellular communication system through said at least one serving base station by transmitting the random access message at the calculated random access message transmit power level.

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