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未来无线通信系统将融合多种异构无线接入网络以提供泛在业务.为了表达用户在不同系统中占用的资源,为异构无线网络提出了等效带宽的概念,在此基础上将等效带宽用到异构网络切换控制中,同时将马尔科夫决策过程引入切换算法.仿真结果表明本算法相对于门限切换法有较好的期望收益.“,”Future wireless telecommunication system will integrate heterogeneous wireless access networks and provide ubiquitous services.The concept of equivalent bandwidth for heterogeneous wireless networks was proposed to describe the resource occupation of users.This concept was adopted in the vertical handoff control algorithm with the Markov de-cision process model.The simulation results show that the proposed algorithm leads to larger revenue compared with the threshold based handoff algorithms.