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Signal to Interference Ratio Based Handoff Management for Next-Generation Wireless Systems

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Author(s): Debabrata Sarddar | Shovan Maity, | Tapas Jana, | Arnab Raha, | Utpal Biswas | M.K. Naskar

Journal: International Journal of Engineering and Technology
ISSN 0975-4024

Volume: 2;
Issue: 2;
Start page: 124;
Date: 2010;
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ABSTRACT
Next-generation wireless systems (NGWS) integrate different wireless networks, each of which is optimized for some specific services such as WLANs, WiMAX, General Packet Radio Service (GPRS) and Universal Mobile Telecommunications System (UMTS). The most important and challenging issue is seamless handoff management in NGWS to ensure the Quality of Service (QoS). In this paper, we propose a handoff management architecture using signal to interference ratio of the present and neighboring base stations. This handoff management scheme uses mobile’s speed, handoff signaling delay information and also the size of the present and neighboring cell to enhance the handoff performance. In our proposed work we use the signal to interferenceratio threshold values between present base station in which the mobile terminal is served and its neighboring stations. The simulation results show that our proposed mechanism supports mobility management in wireless IP networks and significantly enhances the handoff performance for both intra and intersystem handoffs reducing false handoff initiation and unnecessary call blocking probability.
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