Redundant data transmission in control/estimation over wireless networks

In wireless networks the probability of successful communication can be significantly increased by transmitting multiple copies of a same packet. Communication protocols that exploit this by dynamically assigning the number of transmitted copies of the same data can significantly improve the control...

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Bibliographic Details
Main Authors: Mesquita, A.R., Hespanha, J.P., Nair, G.
Format: Conference Proceeding
Language:English
Subjects:
Communication system control
Control systems
Data communication
Frequency diversity
Networked control systems
Probability
Processor scheduling
Protocols
Stability
Wireless networks
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Description
Summary:In wireless networks the probability of successful communication can be significantly increased by transmitting multiple copies of a same packet. Communication protocols that exploit this by dynamically assigning the number of transmitted copies of the same data can significantly improve the control performance in a networked control system with only a modest increase in the total number of transmissions. In this paper we develop techniques to design communication protocols that exploit multiple packets transmissions while seeking a balance between stability/estimation performance and communication rate. An average cost optimality criterion is employed to obtain optimal protocols. Optimal protocols are also obtained for networks whose nodes are subject to limited computation.
ISSN:0743-1619
2378-5861
DOI:10.1109/ACC.2009.5160585