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    • 3. 发明申请
    • IMPROVING TRANSMISSION OF MEDIA STREAMS OF BROADCAST SERVICES IN A MULTIMEDIA BROADCAST TRANSMISSION SYSTEM
    • 在多媒体广播传输系统中改进广播业务媒体流的传输
    • US20110116491A1
    • 2011-05-19
    • US13000839
    • 2008-06-23
    • Akos KovacsIstvan Godor
    • Akos KovacsIstvan Godor
    • H04J3/00
    • H04N21/64322H04N21/234327H04N21/25891H04N21/4621H04N21/4756H04N21/6181H04N21/6373
    • In multimedia broadcast transmission a system a method and a device for improving transmission are provided. The optimization is achieved by the combination of a Virtual Time-Slice (VTS) solution within a broadcast service in which time-slice corresponding to a layered broadcast service and a feedback channel through a wireless access network. The VTS allows the system to set the layer content within a broadcast service time-slice according to the user's feedbacks. An optimization algorithm selects the appropriate number of enhancement layers mapped into VTSs. The users provide feedback information based on their own receiving capabilities or on subscription limitations. If a time-division multiplex multimedia broadcast network, e.g. DVB-H network is deployed next to the wireless access network, e.g. a 3G network, then these feedback information can be signaled via this network.
    • 在多媒体广播传输中,提供了一种用于改善传输的方法和装置。 优化是通过组合广播业务中的虚拟时间片(VTS)解决方案来实现的,其中与分层广播业务相对应的时间片和通过无线接入网络的反馈信道。 VTS允许系统根据用户的反馈将层内容设置在广播服务时间片内。 优化算法选择映射到VTS中的适当数量的增强层。 用户根据自己的接收能力或订阅限制提供反馈信息。 如果时分复用多媒体广播网络,例如, DVB-H网络被部署在无线接入网络的旁边,例如, 一个3G网络,那么这些反馈信息就可以通过这个网络发信号。
    • 4. 发明申请
    • Method and Apparatus for Stream Adaption in a Packet Switched Network
    • 用于分组交换网络中的流适配的方法和装置
    • US20100202456A1
    • 2010-08-12
    • US12670038
    • 2007-07-23
    • Istvan GodorAkos KovacsFranz Kalleitner
    • Istvan GodorAkos KovacsFranz Kalleitner
    • H04L12/56
    • H04L12/66H04L47/70H04L47/724H04L47/805
    • A method is disclosed for use in a packet switched network, comprising carrying descriptor information relating to options for stream adaptation, for example media stream adaptation, in the packet switched network using at least one of the Next Step in Signalling, NSIS, and Resource Reservation Protocol, RSVP, signalling protocols. Carrying the descriptor information may comprise receiving (S120), processing (S130), generating (S110), distributing (S140), transmitting (S140) or using the descriptor information in any way. The method aims to provide a generally applicable solution for cross-layer information forwarding, with one realization of the general solution using the Layer Independent Descriptor as the forwarded information. Specific NSIS and RSVP object formats are also proposed.
    • 公开了一种在分组交换网络中使用的方法,包括使用下一步信令,NSIS和资源预留中的至少一个,在分组交换网络中携带涉及用于流适配的选项的描述符信息,例如媒体流适配 协议,RSVP,信令协议。 携带描述符信息可以包括以任何方式接收(S120),处理(S130),生成(S110),分发(S140),发送(S140)或使用描述符信息。 该方法旨在为跨层信息转发提供一个普遍适用的解决方案,通过使用层独立描述符作为转发信息的一般解决方案的一个实现。 还提出了特定的NSIS和RSVP对象格式。