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System and method for tuning PTT over LTE according to QoS parameters

  • US 10,110,342 B2
  • Filed: 10/06/2016
  • Issued: 10/23/2018
  • Est. Priority Date: 10/06/2015
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving, by a push-to-talk (PTI) server in a core network (CN), a request from a user equipment (UE) to initiate a PTI call, the UE connected to a radio access network (RAN);

    accessing, by the PTI server, a first bearer defining data flow between the CN and the RAN, the first bearer associated with first quality of service (QoS) parameters, the first bearer existing prior to receiving the request from the UE to access the PTI server;

    communicating, by the PTI server, initiation traffic for the PTI call with the UE according to the first bearer;

    establishing, by the PTI server, a second bearer defining data flow between the CN and the RAN, the second bearer being different from the first bearer;

    determining, by the PTI server, second QoS parameters for the second bearer, the second QoS parameters being different from the first QoS parameters, wherein the second QoS parameters include at least one of a physical layer parameter, a media access control layer parameter, a radio link control layer parameter, and a packet data convergence protocol layer parameter for the RAN;

    associating, by the PTI server, the second QoS parameters with the second bearer; and

    communicating, by the PTI server, media traffic for the PTI call with the UE according to the second bearer.

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