SYSTEM AND METHOD FOR NETWORK-ASSISTED ADAPTIVE STREAMING

摘要

A system, method and device are configured to guarantee bandwidth to adaptive streaming clients through negotiation with a network unit to achieve better quality of services in adaptive streaming that utilizes network bandwidth conditions more accurately than based on client estimations.

主权项

1. A method for requesting media content in a dynamic adaptive media streaming system over a transmission network, according to a media presentation description (MPD) comprising information identifying a plurality of media segments, the method comprising:
generating and transmitting, by a user device, a request for a guaranteed bitrate/bandwidth rate (GBR) to the network, receiving, at the user device, a response authorizing a GBR for the user device; selecting, at the user device, based on the authorized GBR and the MPD information, at least one of the plurality of media segments; generating and transmitting a request to a content server identifying the selected at least one of the plurality of media segments; and receiving from the content server the selected at least one of the plurality of media segments.