On Transmission Efficiency for Wireless Broadcast Using Network Coding and Fountain Codes
On Transmission Efficiency for Wireless Broadcast Using Network Coding and Fountain Codes
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DOI：
10.1109/lcomm.2011.031611.101189
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发表时间：
2011-05-01
期刊：
影响因子：
--
通讯作者：
Hong, Een-Kee
中科院分区：
文献类型：
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作者：
Nguyen, Hoang D. T.;Tran, Le-Nam;Hong, Een-Kee
本文研究了应用喷泉码（FC）在提高广播系统传输效率方面的好处。特别地，推导出使用FC的无线广播的传输效率的精确表达式。这个推导使我们能够比较喷泉码方法（FCA）和网络编码方法（NCA）在无线广播中的传输效率。数值结果表明，当用户数较多时，FCA算法的性能优于NCA算法，而当用户数较少时，NCA算法的性能优于FCA算法。
This paper investigates the benefits of applying fountain codes (FCs) in improving the transmission efficiency in broadcasting systems. Particularly, an exact expression of the transmission efficiency for wireless broadcast using FCs is derived. This derivation allows us to compare the transmission efficiency of the fountain code approach (FCA) and network coding approach (NCA) in wireless broadcast. The numerical results demonstrate that FCA achieves better performance than NCA when the number of users is large and vice versa when the number of users is small.