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Energy Behavior in Ad Hoc Network Minimizing the Number of Hops and Maintaining Connectivity of Mobile Terminals Which Move from One to the Others

Author(s): Kohei Arai, Lipur Sugiyanta

Journal: International Journal of Computer Networks
ISSN 1985-4129

Volume: 2;
Issue: 6;
Start page: 190;
Date: 2011;
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Keywords: Multi-Hops | Energy | Connectivity | Metric

Wireless ad-hoc network is a special kind of network, where all of the nodesmove in time. The topology of the network changes as the nodes are in theproximity of each other. Ad-hoc networks are generally self-configuring no stableinfrastructure takes a place. In this network, each node should help relayingpackets of neighboring nodes using multi-hop routing mechanism. Thismechanism is needed to reach far destination nodes to solve problem of deadcommunication. This multiple traffic hops within a wireless ad-hoc networkcaused dilemma. Wireless ad-hoc network that contain multiple hops becomeincreasingly vulnerable to problems such as energy degradation and rapidincreasing of overhead packets. This paper provides a generic routing frameworkthat balances energy efficient broadcast schemes in Wireless Ad-Hoc Networkand maintaining connectivity of nodes (mobile terminals). Typically, each node’sactivities will consume energy, either for sending packets, receiving orpreparing/processing packets. Number of hops, distance of nodes, and size ofpacket will determine the consumption of energy. The framework is based on theprinciple that additional relay nodes with appropriate energy and routing metricbetween source and final destination significantly reduces the energyconsumption necessary to deliver packets in Wireless Ad-Hoc Network whilekeep the connectivity of dynamic nodes. Using the framework, the averagenetwork connectivity is kept 18% higher and the lifetime of network lasting morethan 2.38% compared with network with Link State Routing mechanism. Thesimulation notes that the end-to-end delay may increase rapidly if relay nodesare more than five.
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