Technology and market conditions toward a new competitive landscape in the wireless access market
IEEE Communications Magazine
International Journal of Business Data Communications and Networking
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The next generation of mobile wireless system is expected to allow a multimode terminal to simultaneously access multiple networks for a variety of services with an appropriate quality of service. To achieve such a goal, many technologies such as multimode terminals, QoS-based network selection, and mobility management should be effectively incorporated into wireless network systems. This article discusses the current progress in network architecture as well as the functionalities of a multimode terminal, and identifies the fundamental research issues for future work in such a heterogeneous wireless environment.