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Routing Protocols in Mobile Ad Hoc Networks

Author Affiliations

  • 1 Baba Banarasi Das University, Lucknow, UP, INDIA

Res. J. Engineering Sci., Volume 1, Issue (6), Pages 36-39, December,26 (2012)

Abstract

With recent performance advancements in computer and wireless communications technologies, advanced mobile wireless computing is expected to see increasingly widespread use and application, much of which will involve the use of the Internet Protocol (IP) suite. The vision of mobile ad hoc networking is to support robust and efficient operation in mobile wireless networks by incorporating routing functionality into mobile nodes. Such networks are envisioned to have dynamic, sometimes rapidly-changing, random, multihop topologies which are likely composed of relatively bandwidth-constrained wireless links. The design of network protocols for MANETs is a complex issue. These networks need efficient distributed algorithms to determine network organization (connectivity), link scheduling, and routing. An efficient approach is to consider routing algorithms in which network connectivity is determined in the process of establishing routes. Message routing in a decentralized environment where network topology fluctuates is not a well-defined problem. While the shortest path (based on a given cost function) from a source to a destination in a static network is usually the optimal route, this idea is not easily extended to MANETs. Factors such as power expended, variable wireless link quality, propagation path loss, fading, multiuser interference, and topological changes, become relevant issues Some applications of MANET technology could include industrial and commercial applications involving cooperative mobile data exchange. In addition, mesh-based mobile networks can be operated as robust, inexpensive alternatives or enhancements to cell-based mobile network infrastructures. A MANET protocol should function effectively over a wide range of networking contexts--from small, collaborative, ad hoc groups to larger mobile, multihop network.

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