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Optimal TCP Segment Size for Mobile Contents Server Access over Wireless Links of Cellular Networks  

Lee, Goo-Yeon (Dept. of Computer Eng. Kangwon National University)
Jeong, Choong-Kyo (Dept. of Computer Eng. Kangwon National University)
Kim, Hwa-Jong (Dept. of Computer Eng. Kangwon National University)
Lee, Yong (Samsung Electronics, TN R&D Center)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.43, no.12, 2006 , pp. 31-41 More about this Journal
Abstract
Internet access from mobile phones over cellular networks suffer from severe bandwidth limitations and high bit error rates over wireless access links. Tailoring TCP connections to best fit the characteristics of this bottleneck link is thus very important for overall performance improvement. In this work, we propose a simple algorithm in deciding the optimal TCP segment size to maximize the utilization of the bottleneck wireless TCP connection for mobile contents server access, taking the dynamic TCP window variation into account. The proposed algorithm can be used when the product of the access rate and the propagation time is not large. With some numerical examples, it is shown that the optimal TCP segment size becomes a constant value when the TCP window size exceeds a threshold. One can set the maximum segment size of a wireless TCP connection to this optimal segment size for mobile contents server access for maximum efficiency on the expensive wireless link.
Keywords
optimal segment size; cellular network; mobile contents server access;
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