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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...
A network measurement and feedback scheme (MFS) for call admission control channel and resources predictive control in cellular networks is presented in the paper. MFS enhances the wireless resource utilization rate in cellular networks. Compared with normalized resource reservation schemes, MFS reduces the call dropping probability (CDP) and call blocking probability (CBP). Moreover, considering...
A new variable bandwidth scheme (VBS) for channel resources predictive control and call admission control in cellular networks is presented in the paper. VBS mainly aims to the QoS enhancement of cellular networks. Compared with the time-based channel predictive control (TCPC) schemes, VBS has a good performance in call dropping probability (CDP) and call blocking probability (CBP). Moreover, considering...
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