数字喷泉码及网络喷泉码的最新进展

数字喷泉码和网络编码都是提高网络传输效率的有效技术方法，两者的有机结合形成的网络喷泉码具有重要的理论意义和应用价值。本文首先对数字喷泉码的最新研究进展进行了综述，分别介绍了几类常见的数字喷泉码的相关研究工作；其次对当前网络喷泉码的研究现状进行了系统的总结，重点介绍了同构网络喷泉码、异构网络喷泉码和无线网络喷泉码的相关理论及其最新研究成果，并分析了研究中存在的问题；最后对网络喷泉码的相关理论及其应用的发展趋势进行了分析和展望。

Recent Research Progress on Digital Fountain Codes and Network Fountain Codes

Both digital fountain codes and network coding are efficient technologies for improving transmission efficiency of the networks. Network fountain codes, which are the combination of these two technologies, are of great importance in both theories and applications. In this paper, the development of digital fountain codes and network fountain codes are overviewed. Firstly, the recent research progress of digital fountain codes is surveyed, and the researches of some typical types of digital fountain codes are introduced. Secondly, the current researches on network fountain codes are summarized. The related theories and the latest research achievements of homogeneous network fountain codes, heterogeneous network fountain codes and wireless network fountain codes are introduced, while the existing problems of current researches are discussed. Finally, the development trend of network fountain codes concerning both theories and applications are analyzed and expected.