NDIS-based four-layer architecture for IEEE 802.11b with a virtual scheduling algorithm |
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Authors: | Suk Lee Jee-Hun Park Kyoung-Nam Ha and Kyung-Chang Lee |
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Affiliation: | (1) School of Mechanical Engineering, Pusan National University, Geumjeonggu, Busan, 609-735, South Korea;(2) Department of Control and Automation Engineering, Pukyong National University, Namgu, Busan, 606-739, South Korea |
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Abstract: | This paper examines the feasibility of using the IEEE 802.11b protocol for wireless networked control systems (NCSs). The
IEEE 802.11b protocol is not suitable for industrial networking because the medium access control method is contention-based
CSMA/CA, which exhibits unstable performance with an unbounded delay distribution under heavy traffic. To avoid these limitations,
we present a four-layer architecture for IEEE 802.11b based on the network driver interface specification (NDIS) combined
with a virtual scheduling algorithm. We compared the performance of the NDIS-based wireless NCS to that of a conventional
wireless NCS. Experimental results showed that the NDIS-based four-layer architecture for IEEE 802.11b is a very promising
alternative for wireless industrial networking. |
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Keywords: | Wireless industrial network IEEE 802 11b wireless LAN Network drive interface specification Wireless networked control system Virtual scheduling algorithm |
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