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    • 2. 发明授权
    • Point-to-point repair request mechanism for point-to-multipoint transmission systems
    • 点对多点传输系统的点对点修复请求机制
    • US07590922B2
    • 2009-09-15
    • US10903489
    • 2004-07-30
    • Ramakrishna VedanthamDavid LeonIgor CurcioRod Walsh
    • Ramakrishna VedanthamDavid LeonIgor CurcioRod Walsh
    • H03M13/00
    • H04L1/1819H04L1/1628H04L1/1816H04L69/164H04L2001/0093
    • This invention relates to a method, system, transmitter, network element, receiver and software application for a system capable of point-to-multipoint transmission, where one or more data packets are transmitted from a transmitter to one or more receivers, where at least at one specific receiver of said receivers, a reception of repair data packets is required, where repair information is signaled to a repair server in order to trigger a transmission of the repair data packets, and where the repair information comprises information related to the number of transmitted data packets correctly received at the specific receiver. The system may for instance be the 3GPP Multimedia Broadcast Multicast System, the transmission of data packets may for instance be controlled by the File Delivery Over Unidirectional Transport protocol and the signaling of the repair information may for instance be controlled by the Hypertext Transfer Protocol.
    • 本发明涉及能够进行点对多点传输的系统的方法,系统,发射机,网络单元,接收机和软件应用,其中一个或多个数据分组从发射机发射到一个或多个接收机,其中至少 在所述接收机的一个特定接收机处,需要修复数据分组的接收,其中修复信息被发送到维修服务器以触发修复数据分组的传输,并且其中修复信息包括与 在特定接收机处正确接收到的数据分组。 该系统可以例如是3GPP多媒体广播多播系统,数据分组的传输可以例如由文件传送单向传输协议控制,并且修复信息的信令例如可以由超文本传输​​协议来控制。