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    • 10. 发明申请
    • OPTIMISING CONTENT DELIVERY VIA UNICAST AND MULTICAST SERVICES OF A PUBLIC LAND MOBILE NETWORK
    • 通过公共陆地移动网络的新闻稿和多媒体服务优化内容传送
    • WO2013182247A1
    • 2013-12-12
    • PCT/EP2012/060858
    • 2012-06-08
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)DAMOLA, AyodeleLARSSON, ConnyZHANG, Shunliang
    • DAMOLA, AyodeleLARSSON, ConnyZHANG, Shunliang
    • H04W72/00
    • H04W72/005H04L65/4076H04W4/06H04W4/08H04W4/18H04W76/40
    • A method of delivering streaming media from a media source to a group of user terminals where those user terminals are located within a given cell of a Public Land Mobile Network. The method comprises delivering said streaming media from said media source to the user terminals via respective unicast sessions and, at said media source, monitoring the number and capabilities of user terminals within said group. The method further comprises, in dependence upon the number and capabilities of user terminals within said group, at said media source initiating a switch from said unicast sessions to a Multimedia Broadcast/Multicast Service, MBMS, broadcast session by signalling to a Broadcast-Multicast Service Centre, BM-SC, and, at said BM-SC, signalling to said user terminals to cause the user terminals to switch from receiving media via the respective unicast sessions to receiving media via said broadcast session, and commencing delivery of the streaming media via the MBMS broadcast session.A switch from MBMS multicast to unicast sessions is als provided for.
    • 一种将流媒体从媒体源传送到这些用户终端位于公共陆地移动网络的给定小区内的一组用户终端的方法。 该方法包括经由相应的单播会话将所述流媒体从所述媒体源传送到用户终端,并且在所述媒体源处监视所述组内的用户终端的数量和能力。 该方法还包括根据所述组内的用户终端的数量和能力,在所述媒体源处,通过向广播组播服务发送信令,发起从所述单播会话切换到多媒体广播/组播服务MBMS广播会话 中心,BM-SC,并且在所述BM-SC处,向所述用户终端发信号,以使用户终端经由相应的单播会话从接收媒体经由所述广播会话切换到接收媒体,并且开始传送流媒体经由 MBMS广播会话。提供从MBMS多播到单播会话的切换。