Study on TCP Performance Improvement in Dynamic Spectrum Access Networks Based on Spectrum Switch Estimation

DOI

10.2991/isci-15.2015.261How to use a DOI?

Keywords

Dynamic Spectrum Access; TCP; throughput.

Abstract

Dynamic Spectrum Access (DSA) is supposed to be the key technology to improve wireless communication. And at the other hand, Transport Control Protocol (TCP) will be used in DSA networks, considering it's the de-facto standard in wired communication and also has been widely deployed in wireless networks. However, TCP may suffer significant decrease in end-to-end throughput performance caused by spectrum switches in typical DSA networks. In this paper, TCP DSA is proposed to mitigate this issue. This is achieved by monitoring the RTT and throughput periodically, and using them to indicate the spectrum switches. We also calculate the optimal congestion windows of different channels, and use them to adjust TCP congestion window. Thus, we can fully utilize the channel capacity, and obtain higher throughput. TCP DSA is evaluated through simulation and the result shows significant improvement in throughput performance.

Copyright

© 2015, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Peng Zhang
AU  - Kai Shi
AU  - Sheng Lin
AU  - Jinsong Wang
AU  - Guangping Xu
PY  - 2015/01
DA  - 2015/01
TI  - Study on TCP Performance Improvement in Dynamic Spectrum Access Networks Based on Spectrum Switch Estimation
BT  - Proceedings of the 2015 International Symposium on Computers & Informatics
PB  - Atlantis Press
SP  - 1987
EP  - 1994
SN  - 2352-538X
UR  - https://doi.org/10.2991/isci-15.2015.261
DO  - 10.2991/isci-15.2015.261
ID  - Zhang2015/01
ER  -