Reducing Routing Overhead For Multimedia Traffic in Manet Using Rebroadcast Probability
Journal Title: International Journal of Advanced Research in Computer Engineering & Technology(IJARCET) - Year 2013, Vol 2, Issue 1
Abstract
Mobile ad hoc networks (MANET) have been proposed for a variety of applications where support for real-time multimedia services will be necessary. Due to high mobility of nodes in mobile ad hoc networks, there exist frequent link breakages which lead to frequent path failures and route discoveries. Traditional routing protocols in Mobile Ad hoc Network (MANET) send periodic messages to realize the changes in topology. Sending periodic messages cause overhead. Broadcasting can cause broadcast storm problem .To discover the route better than broadcasting methodology rebroadcast can done with the help of neighbor knowledge methods. In this paper, we propose reducing routing overhead for multimedia traffic in MANET using rebroadcast probability. In order to effectively exploit the neighbor coverage knowledge, we propose a novel rebroadcast delay to determine the rebroadcast order, and then we can obtain the more accurate additional coverage ratio by sensing neighbor coverage knowledge. We also define a 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 also improve the routing performance. The performance evaluation based on NS simulations shows that reduce the routing overhead for multimedia traffic due to the neighbor coverage knowledge and the probabilistic mechanism. It can also improve the performance of routing in mobile ad hoc networks
Authors and Affiliations
Sivakumar. P , ivaranjan. i. R , Technology,Puducherr , Srilakshmi. G , ubashini. R,
Keywords
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