TCP Congestion Control based on Context Switch in Heterogeneous Wireless Networks 


Vol. 32,  No. 7, pp. 700-709, Jul.  2007


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  Abstract

The heterogeneous wireless access networks has been envisioned to characterize the future wireless networks. In such environments, TCP(Transmission Control Protocol) has to experience poor end-to-end performance because bandwidth and link delay change suddenly when a mobile node moves over different types of wireless networks, which is called vertical handoff. In this paper, we propose a new TCP which maintains each set of congestion control variables, which we call TCP context, for each type of wireless network. The proposed TCP can switch the TCP context against vertical handoff in order to adjust quickly to a newly arrived network. In simulations, the proposed TCP has higher throughput than TCP SACK(Selective Acknowledgment Options) due to its great features to vertical handoff situations.

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  Cite this article

[IEEE Style]

W. Seok, Y. Choi, G. Park, J. Na, S. Kim, "TCP Congestion Control based on Context Switch in Heterogeneous Wireless Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 7, pp. 700-709, 2007. DOI: .

[ACM Style]

Woojin Seok, Younghwan Choi, Guisoon Park, Jee-Hyeon Na, and SangHa Kim. 2007. TCP Congestion Control based on Context Switch in Heterogeneous Wireless Networks. The Journal of Korean Institute of Communications and Information Sciences, 32, 7, (2007), 700-709. DOI: .

[KICS Style]

Woojin Seok, Younghwan Choi, Guisoon Park, Jee-Hyeon Na, SangHa Kim, "TCP Congestion Control based on Context Switch in Heterogeneous Wireless Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 7, pp. 700-709, 7. 2007.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880