Volume : I, Issue : XI, August - 2012

Energy–Efficient MAC Layer Protocols in Ad hoc Networks

Ajay Shah, Hitesh Gupta, Mukesh Baghel

Abstract :

A mobile ad hoc network (MANET) is defined as an autonomous system of mobile routers (and their associated hosts) connected by wireless links the union of which forms an arbitrary graph. It is characterized by fast deployment, dynamic multi–hop topology, self–organization without typical infrastructure support, etc. These properties are desirable in situations such as battlefields, where network connectivity is temporarily needed, or fixed infrastructures are unavailable, expensive, or infeasible to deploy.Wireless networks can be classified in two types: First, infrastructure network which consists of a network with fixed and wired gateways. Second, infrastructure less (ad–hoc) networks. In ad–hoc networks all nodes are mobile and can be connected dynamically in an arbitrary manner. All nodes of these networks behave as routers and take part in discovery and maintenance of routes to other nodes in the network. Some challenges that ad–hoc networking faces are limited wireless transmission range, hidden terminal problems, packet losses due to transmission errors, mobility induced route changes, and battery constraints. Resources required during data transmission may not be available in large amount. This may interrupt overall working of network. Ad hoc mode is easily deployable. Network can be established any time any where. Popularity of such network is increasing day by day. Battery power is one of the main issues in working of Ad hoc mode. Overall working and lifetime of Ad hoc network is totally dependent on power available at a node. Power consumption in data transmission depends on distance between two nodes. Large distance may consume lot of battery power. Route selection, Network information distribution and retransmission of data also consumes noticeable amount of battery power. If a node spends very large part of its battery power in few data transmission then it may no longer be available to other nodes in the network. Such types of node are excluded from network path. In this paper it has been analyzed that data transmission depends on the routing protocol using which data transmitted. We work on different routing protocol and then last we work on MAC Layer of Network.

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Article: Download PDF   DOI : 10.36106/ijar  

Cite This Article:

Ajay Shah, Hitesh Gupta, Mukesh Baghel Energy-Efficient MAC Layer Protocols in Ad hoc Networks Indian Journal of Applied Research, Vol.I, Issue.XI August 2012

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