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Method and apparatus to improve PSTN access to wireless subscribers using a low bit rate system

  • US 5,742,640 A
  • Filed: 03/07/1995
  • Issued: 04/21/1998
  • Est. Priority Date: 03/07/1995
  • Status: Expired due to Fees
First Claim
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1. A method of cellular communication among a subscriber unit, a base station and a switch controller comprising the steps of:

  • digitally encoding communications signals in the subscriber unit;

    generating radio forward error correction (FEC) in the subscriber unit to protect the encoded communications signals during transmission;

    transmitting the encoded communications signals together with the radio FEC by radio from the subscriber unit to the base station;

    error correcting the transmitted encoded communications signals in the base station using the radio FEC;

    generating wire FEC in the base station to protect the encoded communications signals during transmission;

    transmitting the encoded communications signals together with the wire FEC from the base station to the controller;

    error correcting the transmitted encoded communications signals in the controller using the wire FEC; and

    decoding the digitally encoded communications signals at the controller.

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