| Publisher | KTH - Royal Institute of Technology | ||
|---|---|---|---|
| Format | 263.3KB PDF | Date added | 16 May 2004 |
| Topics | TCP - IP, Mobile - Wireless Communications | ||
| Downloads | 12 | ||
Heterogeneous communication networks with their variety of application demands, uncertain time-varying traffic load, and mixture of wired and wireless links pose several challenging problem in modeling and control. The focus of this paper is on the Round-Trip Time (RTT), which is a particularly important variable for efficient end-to-end congestion control. Based on a simple aggregated model of the network, an algorithm combining a Kalman filter and a change detection algorithm is proposed for RTT estimation. It is illustrated on real data that this algorithm provides estimates of significantly better accuracy as compared to the RTT estimator currently used in TCP.
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