Invention Grant
- Patent Title: Methods for switching between a MBMS download and an HTTP-based delivery of DASH formatted content over an IMS network
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Application No.: US13994118Application Date: 2011-12-16
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Publication No.: US09887852B2Publication Date: 2018-02-06
- Inventor: Ozgur Oyman
- Applicant: Ozgur Oyman
- Applicant Address: US CA Santa Clara
- Assignee: INTEL CORPORATION
- Current Assignee: INTEL CORPORATION
- Current Assignee Address: US CA Santa Clara
- Agency: Thorpe North & Western
- International Application: PCT/US2011/065586 WO 20111216
- International Announcement: WO2013/022470 WO 20130214
- Main IPC: H04L12/18
- IPC: H04L12/18 ; H04W76/00 ; H04W56/00 ; H04W4/06 ; H04L29/08 ; H04L5/00 ; H04N21/845 ; H04N21/2343 ; H04N21/61 ; H04N21/647 ; H04L29/06 ; H04W4/00 ; H04W4/08 ; H04W72/00 ; H04W84/04

Abstract:
A method for switching 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 in an internet protocol (IP) multimedia subsystem (IMS) network is disclosed. The method can include a service control function (SCF) module receiving a session initiation protocol (SIP) re-invitation from a mobile device while the mobile device is receiving a MBMS download in a content delivery session including DASH formatted content. The SCF module can send a SIP invitation to an HTTP/SIP adapter to select an HTTP server for an HTTP-based delivery. The SCF module can receive a SIP acknowledgement from the HTTP/SIP adapter indicating a selection of the HTTP server for the content delivery session. The SCF module can forward the SIP acknowledgement to the mobile device indicating a switch to the HTTP server for the content delivery session.
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