Channel Status based Sliding Contention Window (CS-SCW) algorithm: A Fuzzy Control Approach for Medium Access in Wireless Networks

The dynamic nature of IEEE802.11 Wireless LAN network poses several challenges in developing a contention resolution scheme. A contention control algorithm guarantees maximum channel throughput by reducing collisions and improves the fairness among competing nodes. Based on the local history and nei...

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Veröffentlicht in:Soft computing (Berlin, Germany) Germany), 2017-04, Vol.21 (8), p.1991-2004
Hauptverfasser: Nithya, B., Mala, C., Sivasankar, E.
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container_end_page 2004
container_issue 8
container_start_page 1991
container_title Soft computing (Berlin, Germany)
container_volume 21
creator Nithya, B.
Mala, C.
Sivasankar, E.
description The dynamic nature of IEEE802.11 Wireless LAN network poses several challenges in developing a contention resolution scheme. A contention control algorithm guarantees maximum channel throughput by reducing collisions and improves the fairness among competing nodes. Based on the local history and neighbouring station’ status, a new algorithm namely Channel Status based Sliding Contention Window (CS-SCW) algorithm is proposed in this paper to adopt the optimum contention window interval. In the proposed algorithm, a fuzzy controller is used to infer about the current channel condition and to regulate the random access in network. Simulation results confirm the enhanced performance of the proposed CS-SCW algorithm in terms of success rate, packet loss, fairness index and energy consumption.
doi_str_mv 10.1007/s00500-015-1894-z
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subjects Access control
Algorithms
Artificial Intelligence
Computational Intelligence
Control
Control theory
Energy consumption
Engineering
Fuzzy control
Fuzzy logic
Local area networks
Mathematical Logic and Foundations
Mechatronics
Methodologies and Application
Performance evaluation
Random access
Robotics
Sliding
Success
Wireless networks
title Channel Status based Sliding Contention Window (CS-SCW) algorithm: A Fuzzy Control Approach for Medium Access in Wireless Networks
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