Study of Routing Protocols for Minimizing Energy Consumption Using Minimum Hop Strategy in MANETs

The design of efficient routing protocols is a fundamental problem in a Mobile Ad-Hoc Network (MANET). Many different protocols have been proposed in the literature, each one based on different characteristics and properties. Some of these protocols have been studied and their performances have been evaluated in detail focusing on aspects like routing transition, minimum hop and energy consumption. In this work we concentrated on the energy consumption issues of the routing protocols. The overall goal of this work was to measure and compare the energy consumption behaviour of the four analysed routing protocols. Our basic methodology consisted of first selecting the most representative parameters for a MANET. Then defining and simulating a basic scenario and finally, by varying the selected parameters, simulate and evaluate more scenarios. A Motion (mobile node velocity) is characterised by two factors: (a) the maximum speed and (b) total energy consumption. All the traffic sources used in our simulations generated constant bit rate (CBR) data traffic. The traffic structure is defined by varying two factors: (a) the sending rate and (b) the packets size. The total energy consumption is highly due to the receiving process. Receiving process includes two types of activities: receiving actual data and receiving neighbour’s data. Overhearing process highly depends on the radio range, thus, novelty protocols based on dynamically varying this radio could impact on the total amount of energy consumed. This paper is implemented by using reactive protocols such as DSR, AODV, modified DSR (Power DSR).

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