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arXiv · 1703.10804

An Approach for Spatial-temporal Traffic Modeling in Mobile Cellular Networks

Shuo Wang·Xing Zhang·Jiaxin Zhang·Jian Feng·Wenbo Wang·Ke Xin
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Abstract

The volume and types of traffic data in mobile cellular networks have been increasing continuously. Meanwhile, traffic data change dynamically in several dimensions such as time and space. Thus, traffic modeling is essential for theoretical analysis and energy efficient design of future ultra-dense cellular networks. In this paper, the authors try to build a tractable and accurate model to describe the traffic variation pattern for a single base station in real cellular networks. Firstly a sinusoid superposition model is proposed for describing the temporal traffic variation of multiple base stations based on real data in a current cellular network. It shows that the mean traffic volume of many base stations in an area changes periodically and has three main frequency components. Then, lognormal distribution is verified for spatial modeling of real traffic data. The spatial traffic distributions at both spare time and busy time are analyzed. Moreover, the parameters of the model are presented in three typical regions: park, campus and central business district. Finally, an approach for combined spatial-temporal traffic modeling of single base station is proposed based on the temporal and spatial traffic distribution of multiple base stations. All the three models are evaluated through comparison with real data in current cellular networks. The results show that these models can accurately describe the variation pattern of real traffic data in cellular networks.

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Shuo Wang, Xing Zhang, Jiaxin Zhang, Jian Feng, Wenbo Wang, Ke Xin. 2017-03-31. An Approach for Spatial-temporal Traffic Modeling in Mobile Cellular Networks. https://doi.org/10.1109/itc.2015.31

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