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Radio channel allocation based on location of mobile users

  • US 5,214,789 A
  • Filed: 11/17/1989
  • Issued: 05/25/1993
  • Est. Priority Date: 11/17/1989
  • Status: Expired due to Term
First Claim
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1. A method for allocating a communication channel in a broadcast communication system having a plurality of geographic zones, each zone having a corresponding transmit/receive station, the system having a control system for directing communication through broadcast communication channels with mobile radios, the method comprising the steps of:

  • determining a geographic location for a one of said mobile radios by apparatus located with said one mobile radio, said one mobile radio being a member of a user group restricted to a one of said zones,transmitting said determined geographic location by said one mobile radio to any of said stations for transfer to said control system, said control system having a geographic reference defining each of said zones,transmitting a request for a communication channel from said one mobile radio to a selected one of said transmit/receive stations, said one transmit/receive station not being the station corresponding to the zone in which said one mobile radio is restricted,said control system comparing said received geographic location to said geographic reference to determine if the requesting mobile radio is located in said restricted zone, andif said requesting mobile radio is located in said restricted zone, allocating to said one mobile radio a communication channel of the transmit/receive station corresponding to said restricted zone.

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