Abstract:

The popularity of video sites,like YouTube,Youku and XunleiKankan which are based on streaming media technology announced the era of streaming media.However,since the mobile telecommunication network's transmission environment is uncertain,it cannot sustain consistently effective bandwidth and guarantee overall high performance of the streaming media service.Based on the standards of streaming media service,this piece of study aims to deliver a methodology that could inform the streaming media service platform with the mobile network wireless link real-time bandwidth based on mobile core network signaling protocol.Then streaming media platform can adjust the encoding rate of streaming media according to current bandwidth,in order to save net resources and improve users' experience.

Key words: streaming media, bandwidth adaptation, mobile communication network