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1. 发明申请

WO2012068969A1 SUBSET CODING FOR COMMUNICATION SYSTEMS 审中-公开
标题翻译：通信系统的SUBS编码
公开(公告)号：WO2012068969A1
公开(公告)日：2012-05-31
申请号：PCT/CN2011/082365
申请日：2011-11-17
申请人： THE CHINESE UNIVERSITY OF HONG KONG , YANG, Shenghao , YEUNG, Raymond Wai Ho
发明人： YANG, Shenghao , YEUNG, Raymond Wai Ho
IPC分类号： H04W92/10
CPC分类号： H03M13/3761 , H03M13/1191 , H03M13/2906 , H03M13/293 , H03M13/616 , H04L1/0076 , H04L2001/0097
摘要： A method for data encoding and associated decoding is based on the concept of batches that allows transmission of a large data file from a source node to multiple destination nodes through communication networks that may employ network coding wherein sparse matrix codes are employed in a network setting. A batch is a set of packets generated by a subset of the input packets using sparse matrix encoder. A sparse matrix encoder can be called repeatedly to generate multiple batches. The batches are generally independent of one another. During the transmission in a communication network, network coding can be applied to packets belonging to the same batch to improve the multicast throughput. A decoder recovers all or at least a fixed fraction of the input packets using received batches. The input packets can be pre-coded using a pre-code before applying sparse matrix codes. The data file can then be reconstructed by further decoding the pre-code.
摘要翻译：用于数据编码和相关解码的方法基于允许通过可能采用网络编码的通信网络从源节点向多个目的地节点传送大数据文件的批次的概念，其中在网络设置中采用稀疏矩阵码。批处理是使用稀疏矩阵编码器由输入分组的子集生成的一组分组。可以重复调用稀疏矩阵编码器来生成多个批次。这些批次通常彼此独立。在通信网络的传输过程中，网络编码可以应用于属于同一批次的数据包，以提高组播吞吐量。解码器使用接收的批次恢复所有或至少固定分数的输入分组。在应用稀疏矩阵码之前，可以使用预编码对输入分组进行预编码。然后可以通过进一步解码预代码来重构数据文件。

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