Method and apparatus for efficient and deterministic group alerting

  • US 9,294,888 B2
  • Filed: 04/20/2015
  • Issued: 03/22/2016
  • Est. Priority Date: 12/16/2004
  • Status: Active Grant
First Claim
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1. A method of alerting a group of recipients over a wireless network and providing acknowledged group messaging, each recipient comprising at least one mobile device capable of transmitting and receiving data, the method comprising the steps of:

  • storing data relating to recipients, groups and group members, in a memory device, the data comprising a recipient identifier for each of a plurality of recipients, one or more group identifiers corresponding to each of respective groups of recipients, the groups each comprising selected ones of the plurality of recipients, and group membership data comprising the recipient identifiers of the selected recipients corresponding to each of the group identifiers;

    providing the mobile device corresponding to each of the plurality of recipients with at least a subset of the data stored in the memory device comprising at least its corresponding recipient identifier;

    wirelessly transmitting a group message to the mobile device corresponding to each recipient in a selected group of recipients, each of the mobile devices being configured to receive the broadcast group message and send a response;

    monitoring for responses to the group message from the selected group of recipients; and

    storing acknowledgement data in the memory device for the recipients, the acknowledgement data comprising an indication of response for each of the recipients that indicates that the group message was received by that recipient, that the group message was read by that recipient, and a reply was sent by that recipient.

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