无线移动网络节点发包概率的演化博弈模型  

Evolutionary Game Model for Probability of Sending Packets at Nodes in Wireless Mobile Network

作　　者：毛剑琳[1] 向凤红[1] 付丽霞[1] 郭宁[1] 段绍米[1] 

机构地区：[1]昆明理工大学信息工程与自动化学院,昆明650500

出　　处：《计算机工程》2014年第6期25-28,共4页Computer Engineering

基　　金：国家自然科学基金资助项目(61163051);云南省应用基础研究计划基金资助项目(2009ZC050M)

摘　　要：针对大规模无线移动网络中节点对信道资源的群体性随机博弈问题,在载波侦听多路访问/冲突避免(CSMA/CA)的机制下,建立一种节点发包概率的演化博弈模型。考虑节点成功发送数据包的收益、监听、退避和冲突等成本因素,给出并证明该模型的演化稳定策略(ESS),推导节点发包概率演化的复制动态方程。数值仿真结果表明,该模型能提供更强的ESS,保证在多个移动节点干扰时演化稳定点的鲁棒性。Channel resource allocation between nodes in wireless mobile network is a random game problem of big population. An evolutionary game model is built, where the profit of success sending packet and the cost of overhearing/backoff/collision are considered. The Evolutionary Stable Strategy（ESS） is discussed and proved, and the replicator dynamics of MAC competition evolving is given. Numerical simulation result shows that the model can provide stronger evolutionary stable point concept ESS, it assures the robustness of evolutionary stable point between multi disturbing mobile nodes.

关 键 词：载波侦听多路访问 冲突避免 发包概率 演化博弈 演化稳定策略 复制动态 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]