Abstract | ||
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Active Queue Management (AQM) algorithms have been extensively studied in the literature in the context of wired networks. In this paper, we study AQM for wireless networks. Unlike a wired link, which is assumed to have a fixed capacity, a wireless link has a capacity that is time-varying due to fading. Thus, the controller is required to meet performance objectives in the presence of these capacity variations. We propose a robust controller design that maintains the queue length close to an operating point. We treat capacity variations as an external disturbance and design a robust controller using H control techniques. We also consider the effect of round-trip time in our model. Our method of incorporating the delay into the discretized model simplifies controller design by allowing direct use of systematic controller design methods and/or design packages. We demonstrate the robustness of the controller to changes in the load condition and in the round-trip time through ns -2 simulations. |
Year | DOI | Venue |
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2011 | 10.1109/TCST.2010.2081671 | IEEE Trans. Contr. Sys. Techn. |
Keywords | Field | DocType |
Telecommunication congestion control,Robust control,H infinity control,Wireless networks | Wireless network,Control theory,Control theory,Active queue management,Queue,Robustness (computer science),Control engineering,Queueing theory,Network congestion,Robust control,Mathematics | Journal |
Volume | Issue | ISSN |
19 | 6 | 1063-6536 |
Citations | PageRank | References |
10 | 0.59 | 14 |
Authors | ||
4 |
Name | Order | Citations | PageRank |
---|---|---|---|
Kanchan Chavan | 1 | 10 | 0.59 |
Ram G. Kumar | 2 | 10 | 0.59 |
Madhu N. Belur | 3 | 37 | 13.87 |
Abhay Karandikar | 4 | 217 | 31.29 |