基于网络编码的认知无线电网络报文重传技术研究
Research on Network Coding based Packet Retransmission Technology in Cognitive Radio Wireless Networks
本文基于随机网络编码技术研究了认知无线电网络中出错报文重传问题。提出了多信道报文重传问题MC-PRTP(Multi Channel Packet ReTransmission Problem)的定义及其六元模型，并根据不同方面的需求特点提出了MC-PRTP问题的几种数学模型及其解决方案，提出了MC-PRTP问题的整数规划模型的渐近整定算法和贪婪算法。通过仿真实验比较分析了各方案性能特点。仿真结果还表明，整数规划的渐近整定算法的结果与理想结果基本一致，而基于网络编码技术的方案明显优于非网络编码技术的方案。
Wireless packet retransmission problem in cognitive radio wireless networks is analyzed basing on random network coding technology. Firstly, the MC-PRTP(Multi Channel Packet ReTransmission Problem) problem is defined and its 6-element model is proposed. Then, considering different requirements, several integer programming models and resolve schemes for MC-PRTP problems are proposed. To resolve the integer programming models, asymptotically variable fixing algorithm and greedy-based algorithm are proposed. Simulation results show that the solutions found by the asymptotically variable fixing algorithm are generally identical to idealized solutions. Simulation results also confirm the efficiency and superiority of using network coding technology in resolving MC-PRTP problems in cognitive radio wireless networks.
刘胜、马千里、赵蕴龙、高振国
无线通信通信
无线报文重传认知无线电网络随机网络编码
wireless packet retransmissioncognitive radio wireless networksrandom network coding
刘胜,马千里,赵蕴龙,高振国.基于网络编码的认知无线电网络报文重传技术研究[EB/OL].(2009-05-21)[2025-08-18].http://www.paper.edu.cn/releasepaper/content/200905-535.点此复制
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