Decision of Maximum Congestion Window Size for TCP Performance Improvement by Bandwidth and RTT Measurement in Wireless Multi-Hop Networks


In Huh, Jae Yong Lee, Byung Chul Kim, Journal of Information Processing Systems Vol. 2, No. 1, pp. 34-38, Feb. 2006  


Keywords: wireless multi-hop network, TCP, Congestion Window
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Abstract

In the wireless network, TCP performs poorly because it was originally designed for wired networks and does not take into consideration wireless characteristics such as mobility, high-loss probability, and hidden-terminal problems. In particular, in the wireless multi-hop networks, a large congestion window increases the probability of contention and packet losses, and TCP performance is degraded severely as a result. So, it is necessary to limit the TCP congestion window size in order keep the probability of contention loss in the system to a minimum. In this paper, we propose a new scheme for determining the maximum congestion window size based on the measured bandwidth and Round-Trip-Time (RTT). Using ns-2 simulation, we show that the proposed scheme reduces the probability of packet contention and improves TCP performance.


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Cite this article
[APA Style]
In Huh, Jae Yong Lee, & Byung Chul Kim (2006). Decision of Maximum Congestion Window Size for TCP Performance Improvement by Bandwidth and RTT Measurement in Wireless Multi-Hop Networks. Journal of Information Processing Systems, 2(1), 34-38. DOI: .

[IEEE Style]
I. Huh, J. Y. Lee and B. C. Kim, "Decision of Maximum Congestion Window Size for TCP Performance Improvement by Bandwidth and RTT Measurement in Wireless Multi-Hop Networks," Journal of Information Processing Systems, vol. 2, no. 1, pp. 34-38, 2006. DOI: .

[ACM Style]
In Huh, Jae Yong Lee, and Byung Chul Kim. 2006. Decision of Maximum Congestion Window Size for TCP Performance Improvement by Bandwidth and RTT Measurement in Wireless Multi-Hop Networks. Journal of Information Processing Systems, 2, 1, (2006), 34-38. DOI: .