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Every congestion-control protocol operating in wireless networks is potentially faced with two major challenges of performance degradation. These sources are: 1) the coupling of fairness and efficiency; and 2) not properly differentiating between congestion-caused loss associated with network buffering and error-caused loss associated with fading effects. In this paper, we provide a Variable-structure...
IEEE 802.11 is the most important standard for wireless local area networks (WLANs). In the IEEE 802.11 WLANs, distributed coordination function (DCF) is a fundamental medium access control (MAC) protocol, whose performance has been studied analytically in the literature. However, there is no research work that takes into account different incoming traffic load, network size, hidden terminal problem,...
We describe a cross-layer study that attempts at profiling the performance of end-to-end congestion control protocols in high BDP wireless networks. Packets transmitted over such networks are assumed to face temporally correlated random bit errors caused by fading and/or blocking. We utilize a finite-state Markov chain to model bit error characteristics and apply per packet link layer FEC codes in...
IEEE 802.11 is the most important standard for wireless local area networks (WLANs). In the IEEE 802.11 WLANs, distributed coordination function (DCF) is a fundamental medium access control (MAC) protocol, whose performance has been studied analytically in the literature. However, there is no research work that takes into account various incoming traffic load, network size, and the influence of transmission...
In this paper, we use a discrete Markov chain model to analyze the throughput of CSMA/CA protocol in a wireless local area network (WLAN) considering the capture phenomenon, which means the packet with the strongest power may capture the receiver even in the presence of other overlapping packets. The model of capture effect over the theoretical throughput of CSMA/CA protocol in the presence of Rayleigh...
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