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IMS based P2P streaming and download services

  • US 9,398,498 B2
  • Filed: 09/30/2013
  • Issued: 07/19/2016
  • Est. Priority Date: 09/28/2012
  • Status: Active Grant
First Claim
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1. A service control function (SCF) module operable to switch from a multimedia broadcast multicast services (MBMS) download to a hypertext transfer protocol (HTTP) based delivery of dynamic adaptive streaming over HTTP (DASH) formatted content, the SCF having one or more processors and memory configured to:

  • receive a session initiation protocol (SIP) re-invitation at a service control function (SCF) module from a mobile device while the mobile device is receiving an MBMS download in a content delivery session that includes DASH formatted content from a broadcast multicast service center user plane sub-function (BM-SC.UPF) module operating on a host wireless mobile user device;

    send a SIP invitation from the SCF module to an HTTP/SIP adapter operating on the host wireless mobile user device to select an HTTP server operating on the host wireless mobile user device for an HTTP-based delivery to the mobile device;

    receive a SIP acknowledgement at the SCF module from the HTTP/SIP adapter indicating a selection of the HTTP server on the host wireless mobile user device for the content delivery session; and

    forward the SIP acknowledgement to the mobile device indicating a switch to the HTTP server for the content delivery session.

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