Interference in wireless ad hoc networks with smart antennas

Ibrahim Alabdulmohsin

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations


In this paper, we show that the use of directional antennas in wireless ad hoc networks can actually increase interference due to limitations of virtual carrier sensing. We derive a simple mathematical expression for interference in both physical and virtual carrier sense networks, which reveals counter-intuitively that receivers in large dense networks with directional antennas can experience larger interference than in omnidirectional networks unless the beamwidth is sufficiently small. Validity of mathematical analysis is confirmed using simulations.
Original languageEnglish (US)
Title of host publication2014 International Wireless Communications and Mobile Computing Conference (IWCMC)
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Number of pages6
ISBN (Print)9781479909599
StatePublished - Aug 2014


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