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MAC protocols using directional antennas in IEEE 802.11 based ad hoc networks

descriptionPublicationkeyboard_double_arrow_right Article 09 Jan 2007Publisher:WileyJournal:Wireless Communications and Mobile Computing, volume 8, pages 783-795 (issn: 1530-8669, eissn: 1530-8677,

Authors: Hamed M. K. Alazemi; R. Vijaykumar; A.K. Das; Sumit Roy;

doi: 10.1002/wcm.526 , 10.1002/wcm.527 , 10.1002/wcm.525 , 10.1002/wcm.523 , 10.1002/wcm.517 , 10.1002/wcm.514 , 10.1002/wcm.493 , 10.1002/wcm.506 , 10.1002/wcm.v8:6

MAC protocols using directional antennas in IEEE 802.11 based ad hoc networks

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Abstract

AbstractUsing directional antennas can be beneficial for wireless ad hoc networks consisting of a collection of wireless hosts. The most important benefit includes a reduction of the radio interference. Thus, it can significantly increase the spatial reuse, thereby improving the network throughput. 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, do not benefit when using directional antennas, because these protocols have been designed for omnidirectional antennas. In this paper, we present modified MAC protocols suitable for 802.11 based ad hoc networks using directional antennas. Our comprehensive simulation results demonstrate the performance improvement obtained with the proposed protocols. Copyright © 2007 John Wiley & Sons, Ltd.

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