NDLI: An uninterrupted collision-free channel access scheme over IEEE 802.11 WLANs

Content Provider	IEEE Xplore Digital Library
Author	Tuysuz, M.F. Mantar, H.A. Celik, G. Celenlioglu, M.R.
Copyright Year	2013
Description	Author affiliation: Dept. of Comput. Eng., Gebze Inst. of Technol. Istanbul, Gebze, Turkey (Tuysuz, M.F.; Mantar, H.A.; Celik, G.; Celenlioglu, M.R.)
Abstract	IEEE 802.11 distributed coordination function, (DCF), provides contention-based distributed channel access for stations to share the wireless medium. However, Performance of IEEE 802.11 DCF protocol, in terms of delay and throughput, degrades dramatically as the number of active stations increases, especially when each station transmits in its saturated state. Therefore, development of an efficient Medium Access Control (MAC) protocol providing both high throughput for data traffic and quality of service (QoS) for real-time applications has become a major focus in WLAN research. In this paper, we propose an adaptive collision-free MAC adaptation. Proposed scheme prevents collisions and allows stations to enter an uninterrupted collision-free state, regardless of the traffic types (saturated or unsaturated) and the number of stations on the medium. Simulation results indicate that proposed scheme dramatically enhances the overall throughput and supports QoS maintaining real-time services at high level over 802.11-based WLANs.
Starting Page	386
Ending Page	391
File Size	585693
Page Count	6
File Format	PDF
ISBN	9781467359382
ISSN	15253511
e-ISBN	9781467359399
e-ISBN	9781467359375
DOI	10.1109/WCNC.2013.6554595
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-04-07
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Throughput Time division multiple access IEEE 802.11 Standards Maximum likelihood estimation Media Access Protocol Radiation detectors QoS MAC CSMA/CA TDMA WLANs
Content Type	Text
Resource Type	Article

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