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Scanning receiver allocation method and apparatus for cellular radiotelephone systems

  • US 4,726,050 A
  • Filed: 07/13/1987
  • Issued: 02/16/1988
  • Est. Priority Date: 02/18/1986
  • Status: Expired due to Term
First Claim
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1. A method of scanning receiver allocation in a cellular radiotelephone system consisting of a plurality of remote telephone units at least one of which is engaged in two way commuications with another telephone unit via fixed equipment covering geographically distinct areas by radio, the engaged remote telephone unit requiring a handoff from serving fixed equipment in one area to fixed equipment in another area, comprising the steps of:

  • obtaining a voice channel transceiver identification from at least one link list;

    determining which voice channel transceiver of the fixed equipment may be available for use as a temporary scanning receiver in an area not serving the engaged remote telephone unit;

    selecting at least one said available voice channel transceiver; and

    instructing said selecting voice channel transceiver to tune to a radio frequency currently in use by the engaged remote telephone unit and to measure the received signal strength of the engaged remote unit on said radio frequency.

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