Handover decision algorithm for heterogeneous wireless network with approaches multi-attribute decision-making technique
by Sepide Memar Montazerin; Mohammadreza Soltanaghaei
International Journal of Wireless and Mobile Computing (IJWMC), Vol. 24, No. 3/4, 2023

Abstract: Vertical handover is the most critical component of the new generation of heterogeneous wireless networks. Extensive research has been developed based on multi-metric techniques to improve it, whose main goal is to provide the required quality of service (QoS) and provide roaming across network different technologies. Although these methods provide continuity of user's connectivity with high quality, they increase energy consumption over time. In this paper, based on the development of the TOPSIS technique, an energy-efficient multi-metric decision algorithm is proposed to vertical handover in heterogeneous networks that interface three Universal Mobile Telecommunications System (UMTS), Worldwide Interoperability for Microwave Access (WiMAX) and Wireless Local Area Network (WLAN). In addition to improving the quality of handover, the proposed method is also effective in optimising energy consumption. Simulation results using NS-2 show the superiority of the proposed method in improving delay metrics, unnecessary handover, failures and energy consumptions compared to similar methods.

Online publication date: Tue, 06-Jun-2023

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