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An Enhanced Transmission Power Controlled MAC Protocol for Ad Hoc Networks

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Author(s): P.Sivanesan | Dr.S.Thangavel

Journal: International Journal on Computer Science and Engineering
ISSN 0975-3397

Volume: 3;
Issue: 9;
Start page: 3304;
Date: 2011;
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Keywords: Component | Mobile ad hoc networks | MAC protocols | transmission power control

ABSTRACT
In mobile ad hoc networks (MANETs), every node overhears every data transmission occurring in its vicinity and thus consumes energy unnecessarily. Although lots of research has been done on energy efficiency remains it is an open problem. However, transmission power control (TPC) has been extensively used not only to save energy, but also to improve the network throughput. In this paper, we propose an enhanced transmission power controlled protocol, ETPMAC, which can improve the network throughput significantly using a single channel and a single transceiver. ETPMAC can enable several concurrent transmissions without interfering with each other by controlling the transmission power. Moreover, it does not introduce any additional control overhead. We show by simulation that ETPMAC can improve the network throughput by up to 71% compared to IEEE 802.11 in a random topology.
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