Bilgisayar Mühendisliği Bölümü Yayın Koleksiyonu
Permanent URI for this collectionhttps://hdl.handle.net/20.500.12416/253
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Article Behavior Analysis Of Routing Protocols For A Health Decision Support System(2014) Alyeksyeyenkov, Yuriy; Abdullah, Mohammed Najm; Tareq Nafea, MustafaMobile ad-hoc network (MANET) is an infrastructure less network, that is a collection of mobile devices connected together without centralized infrastructure that can be configured at any time and any where, it gives the network dynamic topology. The most important thing in MANETs is a routing protocol. MANETs have a three major routing protocols proactive, reactive and hybrid. In this work, the performance of reactive routing protocol Ad hoc on demand Distance Vector (AODV) and proactive routing protocol Destination Sequenced Distance Vector (DSDV) for a health decision support system (HDSS) were evaluated. The major goal of this work is to analyze the performance of well-known MANETs routing protocol in mobility case under low, medium and high density scenario. Hence it becomes important to study the performance of these routing protocols. The performance is analyzed with respect to Average End-to-End Delay, drop packets, Packet Delivery ratio (PDR) and Throughput. Simulation results verify that AODV gives better performance as compared to DSDV.Article Calculation of signal sources coordinates in 2D and 3D space(Çankaya Üniversitesi, 2008) Alyeksyeyenkov, YuriyMethods of calculations of coordinate of signal sources which are inaccessible and direct measurement of their properties is impossible are analyzed. Cases of 2D – 3D spaces and single – multiple sources of signal are investigated separately. Recommendations and necessary mathematical equations for practical applications are given. Advantage of sources coordinate measurement using signal parameters in frequency domain is shown. Experimental analysis of methods on the base of MATLAB modeling demonstrates full coincidence of theory and practice