基于业务类型的异构无线网络选择算法

下一代异构无线网络环境下,用户的业务需求将更加多样化。根据3GPP对无线网络业务类型的划分,提出了一种基于业务类型的异构无线网络选择算法。该算法在无线多模终端中引入业务分析模块,考虑网络数据速率、时延、可靠性、安全性、价格等多种因素对不同业务的影响,采用模糊层次分析法,综合评价选出最佳网络接入。仿真结果证明,该算法能够根据业务类型有效地选择最佳网络,充分发挥异构网络的优势,有利于网络资源的优化调控。

An Algorithm of Heterogeneous Wireless Network Selection Based on Services

In the next generation of heterogeneous wireless networks,variety of services will be demanded.This paper proposes an algorithm of heterogeneous wireless network selection based on service,according to the wireless network service types classified by the 3GPP.A module for service analysis is introduced into the wireless multi-mode terminal,and a fuzzy analytic hierarchy process is used to evaluate the optimal network access,considering the influence on different services in terms of network data rates,time ...