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Analysis of TCP performance over mobile ad hoc networks
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Proceedings of the 6th ACM international symposium on Mobile ad hoc networking and computing
TCP with adaptive pacing for multihop wireless networks
Proceedings of the 6th ACM international symposium on Mobile ad hoc networking and computing
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Proceedings of the 4th international conference on Mobile systems, applications and services
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On TCP throughput and window size in a multihop wireless network testbed
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IEEE Transactions on Mobile Computing
Adversarial testing of wireless routing implementations
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Adaptive multihop scheduling for IEEE 802.11s multiradio cognitive wireless mesh networks
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Wireless Personal Communications: An International Journal
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We introduce and evaluate a feasible end-to-end congestion control algorithm for overcoming the severe deficiencies of TCP in IEEE 802.11 multihop wireless networks. Our approach, which we denote as TCP with Adaptive Pacing (TCP-AP), implements rate-based scheduling of transmissions within the TCP congestion window. The TCP source adaptively sets its transmission rate using an estimate of the current out-of-interference delay and the coefficient of variation of recently measured round-trip times. TCP-AP retains the end-to-end semantics of TCP and neither relies on modifications at the routing or the link layer nor requires cross-layer information from intermediate nodes along the path. As opposed to previous proposals that build on network simulators, we implement and evaluate our approach in a real wireless mesh test-bed comprising 20 nodes. In a comprehensive comparative performance study using our test-bed, we show that, depending on the current network state and traffic patterns, TCP-AP achieves up to 10 times more goodput than TCP NewReno, provides excellent fairness, and is highly responsive to changing network traffic conditions.