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Methods and apparatus for acknowledging a paging message via a cellular network control channel

  • US 5,526,401 A
  • Filed: 10/31/1994
  • Issued: 06/11/1996
  • Est. Priority Date: 03/11/1994
  • Status: Expired due to Term
First Claim
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1. In or for a cellular mobile radiotelephone system (CMR) for communicating with cellular radiotelephones, a paging acknowledgment system for communicating paging messages and acknowledgments to confirm reception of said paging messages, said paging acknowledgment system comprising:

  • communication means, responsive to said paging messages, for preparing data messages corresponding to said paging messages and transmitting said data messages via a radiopaging communications path;

    a plurality of remote communications devices for receiving said data messages via said radiopaging communications path, each of said data messages containing an address that uniquely identifies one of said remote communications devices, each of said remote communications device responsive to a selected one of said data messages containing its associated address for transmitting via a cellular network control channel of said CMR system an acknowledgment message that confirms reception of said selected data message, said acknowledgment message formatted as an identification signal transmitted by one of said cellular radiotelephones when said cellular radiotelephone identifies itself to said CMR system; and

    at least one mobile switching center (MSC) for receiving said acknowledgment message via said cellular network control channel from each of said remote communications devices,said communications means further operative to receive said acknowledgment message from said MSC via a first communications link and to process said acknowledgment message to determine whether said acknowledgment message corresponds to a particular one of said data messages.

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