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This paper concerns the congestion control problem for local wireless sensor networks. A novel design strategy for time-delay compensation without the consideration of delay estimation is proposed. With the aid of this method, a time-varying delay can be compensated and a congestion controller combined with this compensator is designed. The approach is fully verified by the network simulator NS2.
In order to improve the performance of existing multicast congestion control mechanisms applied to wireless networks, in this paper, we propose an expert-control-based intelligent multicast congestion control mechanism for wireless networks, termed ECMCC. ECMCC detects the network congestion state according to network relative queuing delay and packet loss, feedbacks information to multicast source...
In this paper, a novel approach is proposed to deal with network delay, based on new Smith predictor combined with generalized predictive control (GPC) for wireless networked control systems (WNCS). Because new Smith dynamic predictor hides predictor model of the network delay into real data transmission process, further the network delay no longer need to be measured, identified or estimated on-line...
With the emergence of high bandwidth-delay product and heterogeneous wired / wireless networks, the standard TCP appears to be too conservative to offer reasonable performance. The use of parallel TCP connections has been suggested in such environments. We have demonstrated that, with the same level of aggressiveness, this approach can outperform the single-connection based approach. However, this...
Many applications require fast data transfer in high speed wireless networks. A representative example is that EAST experiment data are retrieved by some physics researchers using the TCP (transmission control protocol). However, due to the limitation in its conservative congestion control algorithm, TCP can not effectively utilize the network capacity. Furthermore, TCP assumes that every packet loss...
In real-time application area for ad hoc wireless network (AHWN), the node responds in time on requirements so that a data channel between the nodes must offer guaranteed service. End-to-end delay jitter with an upper bound is one of guaranteed services, whether or not the upper bound on end-to-end delay jitter can obtain guarantee is a key to implement effectively routing, congestion control and...
In this demo, we showcase DiffQ - a congestion control protocol inspired by theoretical cross-layer optimization approaches. DiffQ can support congestion control for network flows that use either single-path or opportunistic multi-path routing. Our demo will focus on the performance in single-path routing environments, where contemporary end-point congestion control algorithms like TCP face severe...
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