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Journal of Control Science and Engineering
Volume 2017, Article ID 4015143, 10 pages
Research Article

Optimal Sensor Communications in Presence of Transmission Delays and Bandwidth Limitations

Department of Electrical and Computer Engineering, Abbaspour Faculty of Engineering, Shahid Beheshti University, Tehran, Iran

Correspondence should be addressed to M. M. Share Pasand;

Received 5 August 2016; Revised 5 November 2016; Accepted 27 November 2016; Published 31 January 2017

Academic Editor: Xiao He

Copyright © 2017 M. M. Share Pasand and M. Montazeri. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


In a distributed sensor (and actuator) network, several sensors may be lumped to a single transmitter or communicate via a remote terminal unit. Due to bandwidth limitations in the network, the transmitter/remote terminal should decide on the communication sequence according to which it sends sensor data. This decision must be based on an appropriate performance criterion. In this paper, we formulize this problem and propose a convex optimization scheme to optimize the estimation variance via choosing the most appropriate communication sequence. The derived communication sequence is then used for designing a Kalman filter to estimate states of the underlying system. Both cases of Zero-Order Hold and Reset To Zero output policies are investigated and compared in the simulation.