Institut for Forretningsudvikling og Teknologi

Ramjee Prasad

Effects of Propagation Models on AODV in Mobile Ad-hoc Networks

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Mobile ad-hoc networks (MANET) operate like self organizing entity. The mobile nodes are operate in a host as well as in a router and dynamic topology. In MANET every network node operates autonomously. It has limited resources like power, bandwidth and storage capacity. Selection of a propagation model plays the vital role of application possibilities in MANET. In this paper, calculations have been performed for three propagation models: Two-ray ground, COST 231 and Okumura–Hata model. The paper shows the impact of these propagation models based on Ad-hoc on-demand distance vector (AODV) protocol at 1.5 GHz frequency, varying transmitted power and number of nodes. This paper also studies effects of the propagation models with the conclusion of choosing the most accurate propagation model. Okumura–Hata propagation model shows better results at 1.5 GHz frequency as compared to COST 231 and Two-ray ground model in open space using Network Simulator (NS 2.35). Two-ray ground propagation model shows better results with varying transmitted power and number of nodes as compared to COST 231 and Okumura–Hata model.

OriginalsprogEngelsk
TidsskriftWireless Personal Communications
Vol/bind79
Nummer1
Sider (fra-til)389-403
Antal sider15
ISSN0929-6212
DOI
StatusUdgivet - 1 jan. 2014
Eksternt udgivetJa

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