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    • 65. 发明公开
    • Caching of content
    • Zwischenspeicherung von Inhalt
    • EP2800387A1
    • 2014-11-05
    • EP14166478.9
    • 2014-04-29
    • Openwave Mobility, Inc.
    • Harrison, DeclanMcquillan, Eoin
    • H04N21/231H04N21/442H04N21/845H04N21/854
    • H04N21/64784H04N21/23106H04N21/4331H04N21/44209H04N21/8456H04N21/85406
    • There is described a system of operating a network entity to distribute a media stream in a communications network. A plurality of different versions of the media stream are available from a content source, each version having a respective quality level different to that of the other versions and each version of the media stream comprises a plurality of consecutive portions. A first request is received from a user device for a portion of a first one of the versions of the media stream stored at a content source and a caching procedure is performed in response to receiving the first request. The caching procedure comprises requesting from the content source at least one portion of at least one of the other versions of the media stream or at least one other portion of the first one of the versions of the media stream; receiving the requested at least one portion or the at least one other portion; and causing the received at least one portion or the at least one other portion to be cached at a cache in the communication network.
    • 描述了操作网络实体以在通信网络中分发媒体流的系统。 媒体流的多个不同版本可从内容源获得,每个版本具有与其他版本不同的相应质量级别,媒体流的每个版本包括多个连续部分。 从用户设备接收存储在内容源的媒体流的第一版本的一部分的第一请求,并且响应于接收到第一请求而执行高速缓存过程。 高速缓存过程包括从内容源请求媒体流的其他版本的至少一个的至少一部分或媒体流的第一个版本的至少一个其他部分; 接收所请求的至少一个部分或至少一个其他部分; 并且使得所接收的至少一个部分或至少一个其他部分被缓存在通信网络中的高速缓存上。
    • 69. 发明公开
    • Classified media quality of experience
    • KlassifizierteMedienerlebnisqualität
    • EP2770694A1
    • 2014-08-27
    • EP14169649.2
    • 2004-02-12
    • Core Wireless Licensing S.à.r.l.
    • Wang, Ye-Kui
    • H04L29/06H04N21/647H04N21/442
    • H04L65/80H04L65/4076H04L65/607H04L65/608H04N21/44209H04N21/643H04N21/647
    • This invention relates to a method for reporting a streaming quality, wherein at least one continuous media stream is streamed to a client (601), and wherein said streaming is controlled by a protocol (109) that is operated between said client (601) and a server (600), comprising selecting at least one quality metric and a quality metrics class from a pre-defined set of at least two quality metrics classes, and reporting to said server (600) the quality of said streaming based on said at least one selected quality metric and said selected quality metrics class. Said protocol (109) is preferably a Real-time Streaming Protocol RTSP in combination with a Session Description Protocol SDP in the context of the 3GPP Packet-Switched Streaming Service PSS. The invention further relates to a computer program, a computer program product, a system, a client, a server and a protocol.
    • 本发明涉及一种用于报告流媒体质量的方法,其中至少一个连续媒体流被传送到客户端(601),并且其中所述流传输由在所述客户机(601)和 服务器(600),包括从至少两个质量度量类别的预定义集合中选择至少一个质量度量和质量度量类别,并且至少基于所述至少两个质量度量标准类别向所述服务器(600)报告所述流式传输的质量 一个选择的质量度量和所选择的质量度量类。 所述协议(109)优选地是在3GPP分组交换流服务PSS的上下文中与会话描述协议SDP组合的实时流协议RTSP。 本发明还涉及计算机程序,计算机程序产品,系统,客户机,服务器和协议。