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    • 3. 发明申请
    • A METHOD AND APPARATUS FOR STREAMING SCALABLE MULTIMEDIA DATA STREAMS
    • 用于流动可扩展多媒体数据流的方法和装置
    • WO2009058118A1
    • 2009-05-07
    • PCT/US2007/023079
    • 2007-11-01
    • THOMSON LICENSINGWU, ZhenyuLIU, ZhengyeSTEIN, Alan, Jay
    • WU, ZhenyuLIU, ZhengyeSTEIN, Alan, Jay
    • H04L1/18H04L1/00
    • H04L1/1887H04L1/1812H04L2001/0093H04N19/31H04N19/61H04N19/89H04N21/234327H04N21/2662H04N21/4621H04N21/6375H04N21/6405H04N21/6583
    • A method and apparatus are described including receiving a coded packet of content associated with a layer, receiving feedback information regarding channel conditions and applying hybrid automatic repeat request to deliver the packet based on said feedback information. The method and apparatus wherein applying hybrid automatic repeat request layer-wise further includes determining if a resource is exhausted, scheduling delivery of layered coded content packets for a layer, if the resource has not been exhausted, determining if all layered coded content packets for the layer have been transmitted, proceeding to the first determining step, if all layered coded content packets for a layer have not been transmitted, determining if an acknowledgement message has been received from a user device, determining if the resource is exhausted, if no acknowledgement has not been received and scheduling delivery of layered coded forward error correction packets, if the resource has not been exhausted.
    • 描述了一种方法和装置,包括接收与层相关联的内容的编码分组,接收关于信道条件的反馈信息,并且基于所述反馈信息应用混合自动重传请求以递送分组。 分层应用混合自动重复请求的方法和装置还包括确定资源是否耗尽,如果资源尚未用尽,则调度分层编码内容分组的传送,确定是否所有分层编码内容分组为 如果没有发送用于一层的所有分层编码内容分组,则确定是否已经从用户设备接收到确认消息,确定资源是否已用尽,如果没有确认已经被发送,则进行到第一确定步骤 如果资源尚未用尽,则未被接收并且分配编码的前向纠错分组的调度传递。
    • 5. 发明申请
    • PROTOCOL BOOSTER FOR SCTP IN MUTICAST NETWORKS
    • 静音网络中的SCTP协议增强器
    • WO2011071474A1
    • 2011-06-16
    • PCT/US2009/006490
    • 2009-12-10
    • THOMSON LICENSINGWU, ZhenyuLI, Dekai
    • WU, ZhenyuLI, Dekai
    • H04L1/00
    • H04L1/1607H04L12/1836H04L12/184H04L12/1854H04L12/189H04L29/08045H04L65/1016H04L65/4076H04L69/326H04L2001/0093
    • A traffic optimizer facilitates communication of data packets using a unicast protocol between a server and at least one of a plurality of clients through a multicast network. The traffic optimizer includes a communication processor and a packet processor. The communication processor receives both data including association data and the data packets using the unicast protocol from the server. The association data includes IP addresses of the server and IP addresses of at least one of a plurality of clients available for communication. The packet processor processes the data packets to optimize data transfer in response to an analysis of the data packets, and forwards the processed data packets to at least one of the plurality of clients at respective ones of the received IP addresses through a multicast network using the unicast protocol.
    • 流量优化器促进通过多播网络在服务器与多个客户端中的至少一个之间使用单播协议的数据分组的通信。 流量优化器包括通信处理器和分组处理器。 通信处理器使用来自服务器的单播协议接收包括关联数据和数据分组的数据。 关联数据包括服务器的IP地址和可用于通信的多个客户端中的至少一个的IP地址。 分组处理器响应于数据分组的分析处理数据分组以优化数据传输,并且通过多播网络将处理后的数据分组转发到接收到的各个IP地址中的至少一个客户端,使用 单播协议
    • 9. 发明申请
    • APPLICATION OF UNEQUAL ERROR PROTECTION RATELESS CODES IN MULTIMEDIA STREAMING OVER MULTI-PATH NETWORKS
    • 在多路径网络中的多媒体流中应用不平等错误保护无效码
    • WO2012018339A1
    • 2012-02-09
    • PCT/US2010/044571
    • 2010-08-05
    • THOMSON LICENSINGWU, Zhenyu
    • WU, Zhenyu
    • H04L1/00H04L1/18
    • H04L1/0041H03M13/356H03M13/3761H04L1/005H04L1/0057H04L1/007H04L1/1819H04L1/1845H04L2001/0093H04L2001/0097
    • A method and apparatus are described including retrieving a block of source data, organizing the block of source data into layers of source symbols, encoding the layers of source symbols using fountain codes, wherein the fountain codes have an unequal protection property such that the fountain encoded layers of source symbols have different protection strengths and streaming the fountain encoded source symbols to a multicast group of client devices over a path of any of a plurality of multiple paths in a wireless networks. Also described are a method and apparatus including receiving unequal error protection fountain encoded data from a path of any of a plurality of wireless networks, retrieving payload data from the received unequal error protection fountain encoded data to obtain payload data, adding the payload data to a current codeword and decoding the current codeword to obtain a block of source data.
    • 描述了一种方法和装置,包括检索源数据块,将源数据块组织成源符号层,使用喷泉代码编码源符号层,其中喷泉代码具有不相等的保护属性,使得喷泉编码 源符号层具有不同的保护强度,并且通过无线网络中的多个多个路径中的任一个的路径将墨斗编码的源符号流传送到客户端设备的多播组。 还描述了一种方法和装置,包括从多个无线网络中的任何一个的路径接收不相等的错误保护池编码数据,从接收到的不相等的错误保护池编码数据中检索有效载荷数据以获得有效载荷数据,将有效载荷数据添加到 当前码字并解码当前码字以获得源数据块。