Performance of multichannel wireless ad hoc networks

Asis Nasipuri; Samir Ranjan Das

doi:10.1504/ijwmc.2006.012555

Performance of multichannel wireless ad hoc networks

Asis Nasipuri
, Samir Ranjan Das

Computer Science

University of North Carolina at Charlotte

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

7 Scopus citations

Abstract

This paper addresses the design of MediumAccess Control(MAC) protocols for wireless ad hoc networks that derive benefits from using multiple orthogonal channels for data transmission. Each node is assumed to have a single half-duplex transceiver that can dynamically select the best channel for transmitting data.We showthat even with the same total bandwidth, multichannelMAC protocols can improve the throughput due to two factors - reduction of the number of backoffs during channel access, and increase of the probability of success of transmitted data packets by selecting channels to minimise co-channel interference.We propose multichannel MAC protocols with signal-power based channel selection for achieving these goals and present performance results that show that the proposed protocols can provide significantly higher throughput than that obtained by using the IEEE 802.11 MAC.

Original language	English
Pages (from-to)	191-203
Number of pages	13
Journal	International Journal of Wireless and Mobile Computing
Volume	1
Issue number	3-4
DOIs	https://doi.org/10.1504/ijwmc.2006.012555
State	Published - 2006

Keywords

Ad hoc networks
Dynamic channel selection
Medium Access Control (MAC)
Multichannel MAC

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10.1504/ijwmc.2006.012555

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AB - This paper addresses the design of MediumAccess Control(MAC) protocols for wireless ad hoc networks that derive benefits from using multiple orthogonal channels for data transmission. Each node is assumed to have a single half-duplex transceiver that can dynamically select the best channel for transmitting data.We showthat even with the same total bandwidth, multichannelMAC protocols can improve the throughput due to two factors - reduction of the number of backoffs during channel access, and increase of the probability of success of transmitted data packets by selecting channels to minimise co-channel interference.We propose multichannel MAC protocols with signal-power based channel selection for achieving these goals and present performance results that show that the proposed protocols can provide significantly higher throughput than that obtained by using the IEEE 802.11 MAC.

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JO - International Journal of Wireless and Mobile Computing

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Performance of multichannel wireless ad hoc networks

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Keywords

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