Stability analysis of wireless network with improved fluid model

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Abstract

Wireless communication is easily disturbed by unfortunate factors which drive the wireless environment unstable and complicated. Therefore, it is essential to consider these factors in stability analysis of the wireless network. However, wireless channel characteristics and packets collisions are neglected in the classical fluid model. A wireless TCP fluid model (WTFM) for stability analysis of wireless network is proposed based on cross layers, which not only makes the congestion control based on random early detection (RED) available for wireless network, but also provides a more accurate model to analyze the stability of wireless system theoretically. In the proposed model, active queue management, abnormality of wireless channels and packets collisions are taken into consideration. The comparisons between evaluating results from the WTFM and the practical performance from NS2 simulations validate the accuracy of the proposed WTFM in the perspectives of delay, dropping probability, throughput, sliding window size and queue length. A set of comparisons among the proposed WTFM, the classical fluid model and the convex optimization model are conducted. The results demonstrate that the proposed WTFM model performs better than other schemes in comprehensive aspects on capturing the characteristic of the wireless network and computing complexity.

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APA

Zhou, Z., Xiao, Y., & Wang, D. (2015). Stability analysis of wireless network with improved fluid model. Journal of Systems Engineering and Electronics, 26(6), 1149–1158. https://doi.org/10.1109/JSEE.2015.00125

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