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Promoting Fairness in Mobile Ad Hoc Networks

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Author(s): Jim Mathew

Journal: Bonfring International Journal of Research in Communication Engineering
ISSN 2250-110X

Volume: 01;
Issue: Inaugural Special Issue;
Start page: 34;
Date: 2011;
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Keywords: MANETs | Fairness | Wireless Communication

ABSTRACT
A Mobile Ad hoc Network (MANET) consists out of a collection of mobile nodes capable of sending and/or receiving wireless communications. MANETs are generally unstructured networks with no centralized administration. MANETs use routing algorithms to establish routes among nodes. This unstructured nature presents the opportunity for misbehaviour among nodes. Many routing protocols for MANETs do not promote a balanced use of resources among the participating nodes, since they are designed to optimize other criteria, such as the number of hops in the message path. This behavior is undesired in open MANETs, where all users cooperate to maintain connectivity and expect the system to promote a fair distribution of load. This paper presents a fairness monitoring service that rates the effort of each individual node with regard to the other nodes in its neighborhood, measured as the relative number of messages the node is required to forward. We show that this information can be captured by a service that monitors the packets exchanged in the network. Simulation results obtained using ns-2 network simulation platform show a 20-25% improvement in packet delivery ratio and average end-to-end delay.
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