NDLI: Evaluation of an enhanced intelligent DCA technique for unlicensed WLANs and PAWNs

Content Provider	IEEE Xplore Digital Library
Author	Marias, G. Frangiadakis, N. Hadjiefthymiades, S. Merakos, L.
Copyright Year	2003
Description	Author affiliation: Dept. of Informatics, Athens Univ., Greece (Marias, G.; Frangiadakis, N.; Hadjiefthymiades, S.; Merakos, L.)
Abstract	Over the last years, a number of mechanisms have been proposed for scheduling different types of traffic over base stations-oriented wireless and mobile systems. The majority of these mechanisms focus on access control in the base station-to-mobile units part of the wireless and mobile system. Recent proposals for the unlicensed spectrum in the 5GHz band have redefined the problem, since base stations, operated by different operators in overlapping geographical areas, need access resolution mechanisms to allocate wireless resources. This issue is addressed here, and a novel mechanism for dynamic channel allocation in unlicensed wireless LANs (WLANs) or public area wireless networks (PAWNs) environments is presented. The proposed method exploits the learning automata technique for the efficient allocation of wireless resources in a distributed manner. Nearby base stations that compete to access and reserve time on separate frequencies are driven by the output of a learning automaton, which determines the available carrier illustrating minimal competition. The paper discusses contention resolution disciplines while the learning automaton algorithm as well as its knowledge base structure are also discussed and evaluated.
Starting Page	1391
Ending Page	1396
File Size	377202
Page Count	6
File Format	PDF
ISBN	0780377001
ISSN	15253511
DOI	10.1109/WCNC.2003.1200577
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-03-16
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless LAN Learning automata Access control Base stations Channel allocation FCC Communication system traffic control Proposals Resource management Asynchronous transfer mode
Content Type	Text
Resource Type	Article

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