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Routing of voice communication at a cell site in a land mobile radio system

  • US 5,557,606 A
  • Filed: 06/10/1994
  • Issued: 09/17/1996
  • Est. Priority Date: 06/10/1994
  • Status: Expired due to Term
First Claim
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1. A method for routing voice communications at a cell site in a land mobile radio communication system wherein the cell site has a plurality of repeaters each having a transmitter and a receiver, the method comprising the steps of:

  • producing a receive signal from each of a plurality of said receivers,digitizing at least a voice component of each said receive signal to produce a plurality of serial digital receive signals corresponding respectively to said receivers,combining said serial digital receive signals to produce a multiplex serial receive signal which has a plurality of time slots assigned respectively to said receivers,switching the data between said time slots of said serial digital receive signal to produce a multiplex serial transmit signal which has a plurality of time slots which are assigned respectively to said receivers,extracting the data from time slots of said multiplex serial transmit signal to produce a plurality of respective serial digital transmit signals corresponding respectively to said transmitters,converting each of said serial digital transmit signals into a corresponding analog transmit signal, andproviding said analog transmit signals to the corresponding respective ones of said transmitters.

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