The Effect of Station Mobility on The Performance of Wireless Ad hoc-based LAN 


Vol. 35,  No. 6, pp. 141-148, Jun.  2010


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  Abstract

This paper analyzed the effect of mobility on the TCP connection and wireless LAN load performance. Mobility is hidden from the higher layers int the network, and TCP interprets disconnection and reconnection due to mobility as congestion. Hence it multiplicatively decreases its congestion window size. After reconnection, TCP takes unnecessary longer time to recover the congestion window to a size that matches the available bandwidth. So it is assumed that two clients and one server will run an FTP(File Transfer Protocol) application and all the FTP sessions will be only “Send” from the clients to the server. This paper evaluated the wireless LAN load with the unit of bps in each client. It also analyzed congestion window size for TCP connection with the unit of bytes in each client and FTP server received bytes from each client. It specially describes the role of the RTS(Request To Send) and CTS(Clear To Send) frames in avoiding the hidden node problem usually induced by node mobility in wireless LAN.

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  Cite this article

[IEEE Style]

H. c. Lee, "The Effect of Station Mobility on The Performance of Wireless Ad hoc-based LAN," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 6, pp. 141-148, 2010. DOI: .

[ACM Style]

Ha cheol Lee. 2010. The Effect of Station Mobility on The Performance of Wireless Ad hoc-based LAN. The Journal of Korean Institute of Communications and Information Sciences, 35, 6, (2010), 141-148. DOI: .

[KICS Style]

Ha cheol Lee, "The Effect of Station Mobility on The Performance of Wireless Ad hoc-based LAN," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 6, pp. 141-148, 6. 2010.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880