A Review of Analytical Models Evaluating Performance of 802.11 DCF Networks
Journal Title: International Journal of engineering Research and Applications - Year 2017, Vol 7, Issue 9
Abstract
Network parameters such as throughput, delay, collision probability, loss of packets are the key indicators that determine the performance of 802.11 DCF. Analytical models facilitate in predicting the value of these parameters based on what-if analysis. These models, based on certain assumptions, give accurate solutions. The key design aspect of these models is the analysis of exponential backoff algorithm among the contending nodes. This survey paper starts by giving an overview of 802.11 protocol. We explore various solutions based on Discrete Markov Chains, Fixed Point Analysis, Petri Nets and Mean Value theory for both saturated and nonsaturated networks. The paper critically examines the assumptions, methodologies, and deficits of the proposed models. The objective is to provide the thorough summary of the available literature to enable the research community to address the challenges associated with these mathematical tools. In our knowledge, this is the first survey addressing the above objectives.
Authors and Affiliations
Neeraj Gupta
Keywords
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