MANET: A Mobile Had Hoc Network

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Abstract— Energy efficiency is an important concern in wireless mobile ad hoc networks, because the mobile nodes in ad hoc networks communicate without an aid of an infrastructure on limited battery capacity. Here a new routing algorithm called Position Based Hybrid Routing (PBHRA) describes effective use of bandwidth and extend the battery life of the mobile nodes. This is done, by reducing the computational time in the proposed algorithm. The mobile nodes in MANETS do not have a centralized Administration. Hence in PBHRA, the central node for controlling the route determination acts as Master node which directs and controls the other nodes. The performance evaluation of the algorithm will be carried out with the existing routing algorithm.
Keywords: Ad hoc, Wireless routing, PBHRA. 1. INTRODUCTION

A mobile Ad hoc network (MANET) is a collection of wireless mobile nodes self-configured to form an infra-structure less network. It is important that the routing protocol should be able to find routes that have a high degree of mobility. The challenges to the routing protocol design are the lack of dedicated routing infrastructure. Routing is the process of finding a path from a source to some arbitrary destination on the network. Existing routing protocols can be classified either as proactive or reactive. Routing in MANET is an important issue as it involves sending messages to a destination node in a network. As each node move arbitrarily in MANET, it cause
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