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

Young Bae Ko; Jong Mu Choi; Nitin H. Vaidya

doi:10.1002/wcm.526

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

Young Bae Ko, Jong Mu Choi, Nitin H. Vaidya

Research output: Contribution to journal › Article › peer-review

Abstract

Using 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.

Original language	English (US)
Pages (from-to)	783-795
Number of pages	13
Journal	Wireless Communications and Mobile Computing
Volume	8
Issue number	6
DOIs	https://doi.org/10.1002/wcm.526
State	Published - Aug 2008
Externally published	Yes

Keywords

Ad hoc networks
Directional antennas
Medium access control protocol

ASJC Scopus subject areas

Information Systems
Computer Networks and Communications
Electrical and Electronic Engineering

Online availability

10.1002/wcm.526

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AB - Using 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.

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

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Keywords

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