计算机科学 ›› 2016, Vol. 43 ›› Issue (9): 156-159.doi: 10.11896/j.issn.1002-137X.2016.09.030
陶雯,金玲,白光伟,沈航
TAO Wen, JIN Ling, BAI Guang-wei and SHEN Hang
摘要： 结合基于优先级的ACK回复策略,提出网络编码感知的无线机会路由性能分析模型。该模型探讨多个中继节点时无线信道丢包对网络性能的影响。为此,建立二维马尔科夫链模型对802.11 DCF信道接入机制进行数学建模分析,从而得到数据包成功投递概率和网络吞吐量公式。数学分析结果表明:结合机会路由和网络编码,通过增加中继节点数量,可以提高数据包的投递概率和网络吞吐量。
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