NDLI: Interference aware (IA) MAC: an enhancement to IEEE802.11b DCF

Content Provider	IEEE Xplore Digital Library
Author	Cesana, M. Maniezzo, D. Bergamo, P. Gerla, M.
Copyright Year	2004
Description	Author affiliation: Dipartimento di Elettronica e Informazione, Politecnico di Milano, Italy (Cesana, M.)
Abstract	The IEEE802.11 has been devised explicitly for low mobility and single access point scenarios, so its effectiveness is impaired in conditions with not negligible interference in ad hoc and/or in infrastructure modes. Well known problems typical of these scenarios are the so called hidden and exposed terminals. In this paper we propose and test a novel MAC layer for wireless LANs, able to improve the performance of IEEE802.11 DCF (distributed coordination function) in environments with high interference levels. The key point is to insert information about received power and interference levels into MAC control packets. By computing an estimation of the interference increasing due to an eventual transmission (forbidden with IEEE802.11 because blocked by the virtual carrier sensing), the number of parallel transmissions can grow significantly.
Starting Page	2799
Ending Page	2803
File Size	270451
Page Count	5
File Format	PDF
ISBN	0780379543
ISSN	10903038
DOI	10.1109/VETECF.2003.1286110
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-10-06
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Interference Physical layer Spread spectrum communication Wireless sensor networks Media Access Protocol Quadrature phase shift keying Access protocols Computer science Testing Wireless LAN
Content Type	Text
Resource Type	Article

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