NDLI: A Reservation-Based Multiple Access Protocol for OFDMA Networks with Adaptive Backoff Strategy

Content Provider	IEEE Xplore Digital Library
Author	Abdel-Hamid, Y. Gebali, F. Gulliver, T.A.
Copyright Year	2007
Description	Author affiliation: Victoria Univ., Victoria (Abdel-Hamid, Y.; Gebali, F.; Gulliver, T.A.)
Abstract	In this paper, a new wireless protocol is proposed for implementing a reservation window multiple access scheme in OFDMA networks. This scheme offers an improvement to a multichannel environment such as OFDMA by providing a controllable access scenario. A simple and practical backoff algorithm is introduced based on an adaptive backoff strategy. Each user maintains an estimate of its average traffic and adapts its backoff window size accordingly. A discrete time Markov chain analysis is applied to this protocol. Protocol performance measures such as throughput, packet acceptance probability and average energy are studied. The results obtained show that this scheme is a very effective multiple access protocol for point-to-multipoint (PMP) OFDMA applications such as IEEE 802.16d networks.
Starting Page	161
Ending Page	165
File Size	208928
Page Count	5
File Format	PDF
ISBN	9781424411894
DOI	10.1109/PACRIM.2007.4313202
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-08-22
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Access protocols Adaptive systems OFDM Bandwidth Downlink Portable media players Quality of service Base stations Computer networks Wireless application protocol
Content Type	Text
Resource Type	Article

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