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Group trigger method, apparatus, and system

  • US 10,575,141 B2
  • Filed: 03/12/2018
  • Issued: 02/25/2020
  • Est. Priority Date: 09/27/2012
  • Status: Active Grant
First Claim
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1. A group trigger system, comprising:

  • an interworking function (IWF) entity;

    a broadcast/multicast service center (BM-SC);

    a server capability server (SCS);

    a home subscriber server (HSS);

    wherein the SCS is configured to send a group message request to the IWF entity, wherein the group message request comprises external group identifier information, location information, and a group trigger payload for enabling the IWF entity to send a subscriber information verification request message to the HSS to perform subscriber information verification;

    wherein the HSS is configured to;

    after receiving the subscriber information verification request message sent by the IWF entity, determine to perform a trigger operation of the SCS, and when the HSS determines to perform the trigger operation of the SCS;

    map the external group identifier information to internal group identifier information of an operator, andadd the internal group identifier information of the operator and an indication of a determined group trigger delivery manner to a subscriber information verification response message to send to the IWF entity;

    wherein the interworking function (IWF) entity is configured to;

    transmit the trigger delivery request to the BM-SC, wherein the trigger delivery request comprises an internal group identifier information of an operator and location information, wherein the internal group identifier is a group ID associated with more than one user equipment, andselect a group trigger delivery manner according to an indication of the trigger delivery manner and/or a local policy to send the trigger delivery request to the corresponding entity that has a group trigger function; and

    wherein the BM-SC is configured to;

    after receiving the trigger delivery request sent by the IWF entity, transmit a trigger delivery acknowledgement message to the IWF entity,receive a group trigger payload sent by the IWF entity after transmitting the trigger delivery acknowledgement message, andtransmit an acquired group trigger payload to the more than one user equipments according to the trigger delivery request.

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