异构无线网络中基于非合作博弈论的资源分配和接入控制

对异构无线网络中无线资源分配和呼叫接入控制进行研究.基于非合作博弈理论,提出了不同无线资源的带宽和连接数量分配的理论模型.结合网络连接的效用函数,对非合作博弈的无线资源分配中的纳什均衡点的存在性和唯一性进行论证.而且,进一步对业务量与阻塞率之间的关系进行分析,提出了能够保证通信可靠性的接入控制算法.仿真结果表明,基于非合作博弈论的无线资源分配机制能够有效地解决带宽和连接数量的分配问题,并能在整体上保证分配的合理性和公平性.接入控制算法根据需要能够动态地调整在某一区域分配的连接数量,从而保证通信的可靠性.

Resource Allocation and Admission Control Based on Non-Cooperation Game in Heterogeneous Wireless Networks

Radio resource allocation and call admission control are studied in heterogeneous wireless network. A theoretical model of allocating bandwidth and connections is proposed on basis of non-cooperation game theory. Combining with the utility function of network connections, the existence and uniqueness of Nash equilibrium in the processes of non-cooperation game allocating is proved. Furthermore, a call admission algorithm is presented to ensure communication reliability based on the analysis of relationship of traffic intensity and block probability. Simulation results reveal that the allocated mechanism resolves the issues of allocated bandwidth and connections. And it ensures the reasonableness and fairness in general. In addition, the results also show that the call admission control algorithm could guarantee the communication reliability by dynamic adjusting allocated number of connections.