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The impact of WPA2 security-bandwidth trade-off for IPv4 and IPv6 on wireless 802.11n network implementing Windows 7-Windows Server 2008 is investigated. The highest point of difference between open system and WPA2 for UDP was noticed at packet size 1408 bytes where IPv4 provided 31.48 Mbps and IPv6 provided 24.33 Mbps higher throughput in the open environment. The performance of IPv4 and IPv6 are...
Recently, wireless LANs have been used widely because they are flexible and easy to install. However, there are unfairness problems in wireless LANs, in that a small number of stations (STAs) may obtain a large throughput while other STAs hardly get any bandwidth. One of the unfairness problems occurs between upstream and downstream flows because the access point (AP) and each STA have the same transmission...
The explosive growth of the Internet has extended to the wireless domain. The number of Internet users and mobile devices with wireless Internet access is continuously increasing. However, the network resource is essentially limited, and fair service is a key issue in bandwidth allocation. In this research the focus is on the issue of fairness among stations having different number and direction of...
This paper focuses on TCP fairness over WLAN and proposes a new active queue management (TFBR) to solve the TCP unfairness between TCP upstream flows and downstream flows. The proposed TFBR modifies the drop tail, and controls the sender rate by setting the advertised receiver window of the packets in queue of the access point (AP) before executing drop tail program. The key point of the scheme is...
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