Cross-Layer Adaptive Feedback Scheduling of Wireless Control Systems

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dc.creatorXia, Feng
dc.creatorMa, Longhua
dc.creatorPeng, Chen
dc.creatorSun, Youxian
dc.creatorDong, Jinxiang
dc.date2008-09-29
dc.date.accessioned2026-07-07T10:06:08Z
dc.date.available2026-07-07T10:06:08Z
dc.descriptionThere is a trend towards using wireless technologies in networked control systems. However, the adverse properties of the radio channels make it difficult to design and implement control systems in wireless environments. To attack the uncertainty in available communication resources in wireless control systems closed over WLAN, a cross-layer adaptive feedback scheduling (CLAFS) scheme is developed, which takes advantage of the co-design of control and wireless communications. By exploiting cross-layer design, CLAFS adjusts the sampling periods of control systems at the application layer based on information about deadline miss ratio and transmission rate from the physical layer. Within the framework of feedback scheduling, the control performance is maximized through controlling the deadline miss ratio. Key design parameters of the feedback scheduler are adapted to dynamic changes in the channel condition. An event-driven invocation mechanism for the feedback scheduler is also developed. Simulation results show that the proposed approach is efficient in dealing with channel capacity variations and noise interference, thus providing an enabling technology for control over WLAN.
dc.description17 pages, 12 figures; Open Access at http://www.mdpi.org/sensors/papers/s8074265.pdf
dc.identifierhttps://arxiv.org/abs/0809.4924
dc.identifierhttp://arxiv.org/abs/0809.4924
dc.identifierSensors, 8(7): 4265-4281, 2008
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/170222
dc.subjectNetworking and Internet Architecture
dc.subjectC.2.1; C.3
dc.titleCross-Layer Adaptive Feedback Scheduling of Wireless Control Systems
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