IEEE Internet Computing
Mobile Next-Generation Networks
IEEE MultiMedia
IEEE Wireless Communications
Toward seamless internetworking of wireless lan and cellular networks - Guest Editorial
IEEE Wireless Communications
Hotspot wireless LANs to enhance the performance of 3G and beyond cellular networks
IEEE Communications Magazine
Policy-based QoS-management architecture in an integrated UMTS and WLAN environment
IEEE Communications Magazine
A framework for an evolutionary path toward 4G by means of cooperation of networks
IEEE Communications Magazine
A user friendly authentication scheme with anonymity for wireless communications
Computers and Electrical Engineering
A secure user-friendly authentication scheme with anonymity for wireless communications
Proceedings of the 7th International Conference on Ubiquitous Information Management and Communication
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WLAN services are inexpensive and have a high bandwidth, while UMTS services provide wider coverage area and high mobility. Based on intelligent deduction, this study presents a novel service scheduling scheme for WLAN/UMTS dual-mode networks. The proposed system, Distributed Multi-Agent System (DMAS), consists of a set of problem-solving agents that autonomously process their own tasks and interoperate with one another by a shared database to reach a suitable schedule for dual-mode network services. A two-level control mechanism comprising local-control and meta-control is presented to achieve a high degree of goodness in service scheduling. Simulation results indicate that the Quality of Service (QoS) of the proposed discipline in terms of average delay and jitter is better than that of the pure UMTS network by 25% and 10%, respectively. The scheduling discipline can improve the service quality in multiple-mode networks.