Journal Title : International Journal of Modern Trends in Engineering and Science

Author’s Name : P.Thirumoorthi , Dr.K.Venkatachalam

Volume 01 Issue o5  Year 2014  

ISSN no:  2348-3121

Page no: 97-102

Abstract—In Mobile Adhoc Networks (MANETs) due to high mobility of nodes there exist frequent link breakages which lead to frequent path failures and route discoveries. The overhead of a route discovery cannot be neglected. In this paper, A Neighbor Coverage based Probabilistic Rebroadcast (NCPR) protocol for reducing routing overhead in MANETs is proposed and analysed. In order to effectively exploit the neighbor coverage knowledge, a novel rebroadcast delay, technique to determine the rebroadcast order, and for accurate additional coverage ratio by sensing neighbor coverage knowledge is considered. NCPR protocol also defines  the connectivity factor to provide the node density adaptation. This approach can significantly decrease the number of retransmissions so as to reduce the routing overhead, and can also improve the routing performance. Good Node Detection Algorithm(GNDA) is also considered to reduce the routing overhead with NCPR protocol in MANETs.

Keywords— Mobile Ad-hoc Networks (MANETs), Neighbor Coverage based Probabilistic Rebroadcast (NCPR), Good Node Detection Algorithm(GNDA),Routing Overhead.


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