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Delay analysis and improvement of IEEE 802.11e-based Soft-Real-Time Wireless Industrial Networks: Using an open-loop Spatial Multiplexing scheme

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3 Author(s)
Maadani, M. ; Dept. of Eng., Islamic Azad Univ., Tehran, Iran ; Motamedi, S.A. ; Noshari, M.M.

One of the main challenges in wireless industrial networks is the delay caused by shared, error-prone and non-deterministic behavior of wireless communication medium. In this paper, delay statistics of IEEE 802.11e prioritized MAC layer and the improvement caused by using a Spatial Multiplexing (SM) scheme for the IEEE 802.11e-based Soft-Real-Time Wireless Industrial Networks has been analyzed. Using this scheme, real-time traffic delay has been significantly reduced, compared with traditional IEEE 802.11e.

Published in:

Computer Networks and Distributed Systems (CNDS), 2011 International Symposium on

Date of Conference:

23-24 Feb. 2011