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This study has analyzed the effect of shadow fading and used extensive geometric and probability analysis in modeling the coverage area of a WLAN cell. Thus, presents a realistic and novel model with an attempt to ensure optimal handover as a mobile node (MN) traverses a heterogeneous wireless environment. In the proposed HNE approach, the dwell time is being estimated along with the threshold values to ensure an optimal handover decision by the MN, while the probability of unnecessary handover and handover failure are kept within tolerable bounds. Simulations have been carried out to show the behavior of the proposed HNE and HTCE models considering five performance attributes (Cost, Delay, Data rates, Dwell Time, QoS) Results were validated by comparing the proposed models with existing works.
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Md. Taslim Arefin obtained his MSc. in Electrical Engineering from Blekinge Institute of Technology (BTH),Sweden in 2008. He is a Ph.D research fellow at Jahangirnagar University at present and working at Daffodil International University as Assistant Professor in the Department of ETE.Mr. Abukar Mohamed osman received his Msc. in ETE from DIU.
