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Cellular high capacity mobile radiotelephone system with fleet-calling arrangement for dispatch service

  • US 4,399,555 A
  • Filed: 04/28/1980
  • Issued: 08/16/1983
  • Est. Priority Date: 04/28/1980
  • Status: Expired due to Term
First Claim
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1. In a cellular mobile radiotelephone communication system having a control office (30) for switchably interconnecting information messages through input/output connections of said control office to and from users of mobile units in different service regions of the system, the system being characterized in that there are provided in the control officea fan-out circuit (48, 49) having an input connection and plural output connections, one such output connection for each of a predetermined plurality of cells of said system,means (43, 46, 47) for coupling the fan-out circuit input connection to receive information message signals from a first input/output connection of the control office,means (32) for coupling the fan-out circuit output connections to apply information message signals to respective connections for providing control office outputs, andmeans (32), including at least a part (46) of the fan-out circuit input coupling means, for bidirectionally coupling information message signals through at least one additional input/output connection of said control office with said first input/output connection, said bidirectional coupling means including means for also coupling bidirectional coupling means information message signals, being coupled in either direction through said bidirectional coupling means, from said bidirectional coupling means to said fan-out circuit input connection.

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