×

Rural radiotelephone system

  • US 4,972,456 A
  • Filed: 02/10/1989
  • Issued: 11/20/1990
  • Est. Priority Date: 02/10/1989
  • Status: Expired due to Term
First Claim
Patent Images

1. A remote coverage system whereby a mobile telecommunications switching office receives an inbound signal transmitted on an F2 frequency set, from a radiotelephone mobile unit via a master cellular mobile radiotelephone cell, the master cell being located at a site having a predetermined coverage area, with the mobile unit being at a location outside said predetermined coverage area, comprising:

  • (a) a satellite transceiver having a coverage area encompassing the location of the mobile unit and configured to receive the inbound signal transmitted by the mobile unit on the F2 frequency set;

    (b) a satellite translator configured to translate all inbound signals received by the satellite transceiver on the F2 frequency set and to simultaneously rebroadcast the signals on the F3 frequency set;

    (c) a master relay transceiver located at the site of the master cell and configured to receive the inbound signal on the F3 frequency set; and

    (d) a master translator located at the site of the master cell and configured to receive the inbound signal from the master relay transceiver and to transmit it on the F2 frequency set.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×