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The demand for real-time communication over wireless LANs is increasing. In the infrastructure mode of IEEE 802.11, wireless terminals, or stations (STAs), share one access point (AP). Since TCP congestion control increases the congestion window size until packet loss occurs, TCP communication takes excessive bandwidth from other communications. Then, TCP communication affect the communication quality...
Transport Control Protocol (TCP), the mostly used transport protocol, performs well over wired networks. As much as wireless network is deployed, TCP should be modified to work for both wired and wireless networks. Since TCP is designed for congestion control in wired networks, it cannot clearly detect non-congestion related packet loss from wireless networks. TCP-Westwood presents one solution to...
Nowadays, it is very important to study the behavior of the wireless networks due to the variety of applications that make use of this technology. These applications frequently require a minimum QoS in order to work properly and guarantee a good service to the user. This paper aims to find a relationship between signal to noise ratio (SNR) and a 802.11g networkpsilas QoS in terms of latency, packet...
Throughput unfairness in TCP between upflows over an IEEE 802.11 WLAN is a well known issue. However, this holds true only if the network has no or very little packet loss. The packet loss rate in a wired network is, in fact, not negligible. We quantitatively evaluated the effect of TCP data packet loss in a wired network connected to a wireless LAN. The simulation results show that an increase in...
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