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Advanced wireless networking technologies are expected to assist a human life comfortably. In this scenario, high quality real-time communication is important. This paper proposes a novel User Datagram Protocol (UDP) with rate-based congestion control to achieve Quality of Service (QoS) in wireless Ad-Hoc network.
The ability to provide various application services introduces more traffic and therefore the problem of data traffic congestion in a VANET (Vehicular Ad-Hoc Network), and hence the QoS (Quality of Service) of the application deteriorates. This paper studies an adaptive PI rate-controller to improve/restore the QoS. The controller controls the source sending rate based on the instantaneous queue length...
As wireless local area networks (WLAN) become ubiquitous and an integral part of data networks, they will also be increasingly used for applications ranging from standard Internet services like ftp to time bound multimedia applications, such as Voice (or Video) over IP (VoIP/VIP), HDTV etc. with strict latency, throughput or jitter restrictions. These applications on WLAN will also be more bandwidth...
Communication in VANETS needs consideration of high mobility, congestion, collision and reliability factors. The successful delivery of important messages needs high reliability in case of TCP traffic during high congestion. Reliability and performance of priority based traffic is better than for same priority traffic and produces different results. In this paper we have analyzed the performance of...
It is well-known that TCP has difficulty in achieving desirable levels of performance in multi-hop ad hoc networks. TCP implements a loss-based congestion control mechanism for adjusting traffic in the networks. However, when TCP reacts to a loss event in a multi-hop ad hoc network, contentions raised in the IEEE 802.11 MAC layer among nodes usually becomes excessive. This problem eventually induces...
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