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Soft QoS-Based Vertical Handover Scheme for WLAN and WCDMA Networks Using Dynamic Programming Approach

Sung H. KimContact Information and Yeong M. JangContact Information

(6)  School of Computer Science, Duksung Women’s University, Korea
(7)  School of Electrical Engineering, Kookmin University, Korea
Abstract
We propose a call flow for vertical handover procedure and a soft QoS scheme using dynamic programming (DP) approach for an efficient radio resource management in an environment where several different radio access networks (e.g., WLAN and WCDMA) coexists. We compare the soft QoS scheme with hard QoS scheme and propose a greedy and a DP approach for resource allocation scheme under a vertical handover situation. The proposed scheme is a promising approach for QoS support under the heterogeneous radio access networks. This work is supported by Korea Telecom.

Contact Information Sung H. Kim
Email: shkim@namhae.duksung.ac.kr

Contact Information Yeong M. Jang
Email: yjang@kookmin.ac.kr
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