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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Hao Wang Wei Wei Yanhua Li Chenda Liao Yan Qiao Zuohua Tian |
| Copyright Year | 2010 |
| Abstract | Most of the existing congestion control schemes cannot guarantee the quality of service in wide-area networks with large round trip time (RTT). Aiming at the above problem, a two-degree-of-freedom congestion control strategy (named TCC) is proposed for improving the stability and robustness of the TCP/AQM system. TCC employs a modified Smith predictor with two additional controllers to compensate for the RTT delay. The feedback controller is designed by the internal model control theory for fast set-point tracking. The disturbance rejection controller is derived from frequency-domain analysis to reject external disturbance. Simulation results in NS2 demonstrate that TCC can effectively overcome the negative influence cased by time delay and disturbance. Compared with other congestion control schemes, our proposed method is superior in stabilizing the queue length with small jitters and rejecting disturbances. |
| Starting Page | 1 |
| Ending Page | 5 |
| File Size | 407014 |
| Page Count | 5 |
| File Format | |
| ISBN | 9781424456369 |
| ISSN | 1930529X |
| e-ISBN | 9781424456383 |
| e-ISBN | 9781424456376 |
| DOI | 10.1109/GLOCOM.2010.5683122 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2010-12-06 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Delay Robustness Adaptive control Delay effects Algorithm design and analysis Control theory Predictive models |
| Content Type | Text |
| Resource Type | Article |
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