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This paper presents a Cross-Layer scheme that tries to improve the performance of real-time traffic over TCP in 802.11e wireless networks. It is based on a well-known TCP-friendly, binomial algorithm at the Transport layer, which is jointly configured with the 802.11e protocol at the MAC layer. TCP-friendly schemes have shown to improve the quality of media transfer over wired and wireless networks...
Today's Internet uses the IP protocol suite that was primarily designed for the transport of data and provides best-effort data delivery. Thus, it does not guarantee the quality of voice transmission that is highly sensitive to error and delay. The situation is even more severe in wireless networks which experience even more distortion and attenuation. Therefore, enhancing the voice traffic quality...
Wireless networks and multimedia applications are two rapidly emerging technological trends. The IEEE 802.11e protocol has been developed to support QoS for such delay-sensitive applications in wireless networks. This protocol has also been extensively studied in the literature over the past few years, and several mechanisms to improve its performance have been proposed concentrating on ways to reinforce...
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...
Industry have adopted the Internet protocol (IP) standard to route data over their corporate networks, this enables them to maintain a single infrastructure, which in turn reduces their maintenance costs. The implementation of wireless fidelity (WiFi) networking has allowed users to access the corporate network whilst maintaining mobility. Voice over IP (VoIP) has primarily been used on wired networks,...
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