机会式网络编码的系统中断性能

李世唐; 郑宝玉; 黄川; 崔景伍

doi:10.3724/SP.J.1146.2008.00667

机会式网络编码的系统中断性能

doi: 10.3724/SP.J.1146.2008.00667

李世唐^{①②;郑宝玉},
郑宝玉,
黄川,
崔景伍

基金项目:

国家自然科学基金(60372107)，江苏省自然科学基金重大项目(BK2007729)和江苏省高校自然科学基金重大项目(06KJ510001)资助课题

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出版历程
- 收稿日期: 2008-05-30
- 修回日期: 2009-04-27
- 刊出日期: 2009-09-19

Performance of System Outage Based on Opportunistic Network Coding

摘要

摘要: 该文在两用户通过一个中继节点的协作向基站传送数据的无线通信环境下，研究了基于网络编码的中继策略。与通常的用户到中继的信道是可靠的这一假设不同，该文假设所有的信道都存在衰落现象，比较了复制重传中继策略、确定性网络编码策略和机会式网络编码策略对系统中断概率的影响。仿真结果说明了机会式网络编码中继策略具有较好的性能。
- 网络编码; 中继; 系统中断概率
Abstract: This paper investigates the strategies of relaying based on network coding over wireless communication context with two users and one relay sending data to the base station. Differing from the assumption that the channels from users to relay are reliable, this paper supposes that all channels exit fading phenomenon. The effects on probability of system outage are compared among store-and-forwarding, deterministic network coding and opportunistic network coding. Results of numerical analysis indicate that opportunistic network coding is better than deterministic network coding.

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参考文献(1)

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