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The exponential growth of wireless technologies attracted many research to improve the quality of service (QoS) of global wireless networks such as 802.11 and 802.16. In specific, research targeted the physical layer (PHY) parameters and medium access control (MAC) mechanisms to improve QoS. In this paper we provide a simple yet efficient model to maintain the quality of service for wireless networks...
In wireless networks, most of the TCP variants interpret the occurrence of losses is only due to congestion. This is because of their inability to distinguish between wireless link losses and congestion losses. Subsequently, the flow rate of the TCP segments is decreased, which reduces the throughput and good put. Hence, to improve the performance of TCP in wireless networks, an efficient scheme called...
A throughput analysis of the Persistent Relay Carrier Sensing Multiple Access (PRCSMA) protocol is presented in this paper. The protocol has been designed to execute a cooperative ARQ (C-ARQ) scheme in wireless networks. The model herein presented takes into account the contention time among the relays. This time consists in wasted time due to both backoff deferral periods and collisions occurred...
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