NDLI: A MAC Layer Protocol for Sensor Networks Using Directional Antennas

Content Provider	IEEE Xplore Digital Library
Author	Budhwani, S. Sarkar, M. Nagaraj, S.
Copyright Year	2010
Abstract	Using directional antenna in ad hoc networks, offer many benefits in contrast to their classical omni-directional counterparts. The most important benefits are the significant improvement in spatial reuse, reduction of the radio interference, increase in coverage range and subsequently an increase in network capacity on the whole. On the other hand, directional transmission increases the hidden terminal problem and the problem of deafness. To best utilize directional antennas, a suitable Medium Access Control (MAC) protocol must be designed. Current MAC protocols, such as the IEEE 802.11 standard for Wireless LANs, assume the omni-directional antenna at its Physical layer and thus does not fully exploit the capabilities of a directional antenna. In this paper, we propose a MAC protocol for wireless ad hoc networks which fully exploits the potentials of directional antennas. We evaluate our work through simulation studies performed on the network simulator – NS2. Numerical results show that our protocol offers significant improvement in throughput when compared to the performance of traditional 802.11 MAC protocol and D-MAC which is a Directional MAC protocol for ad hoc networks.
Starting Page	261
Ending Page	267
File Size	628676
Page Count	7
File Format	PDF
ISBN	9781424470877
e-ISBN	9781424470884
DOI	10.1109/SUTC.2010.11
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-07
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless Deafness Wireless LAN Wireless application protocol Access protocols Physical layer Ad hoc networks Directional Antenna MAC Electromagnetic interference Directional antennas Ad-hoc network Directive antennas Media Access Protocol
Content Type	Text
Resource Type	Article

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