Journal
FUTURE INTERNET
Volume 15, Issue 9, Pages -Publisher
MDPI
DOI: 10.3390/fi15090290
Keywords
5G; mobile network traffic; download; upload; forecasting; time series; ARIMA; SARIMA; Holt-Winters
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This paper analyzes the prediction of mobile network traffic profiles using SARIMA and Holt-Winters models. The study utilizes a dataset from a mobile network operator in Portugal and demonstrates that SARIMA model is suitable for download traffic prediction while Holt-Winters model is better for upload traffic prediction.
Fifth-generation (5G) networks require efficient radio resource management (RRM) which should dynamically adapt to the current network load and user needs. Monitoring and forecasting network performance requirements and metrics helps with this task. One of the parameters that highly influences radio resource management is the profile of user traffic generated by various 5G applications. Forecasting such mobile network profiles helps with numerous RRM tasks such as network slicing and load balancing. In this paper, we analyze a dataset from a mobile network operator in Portugal that contains information about volumes of traffic in download and upload directions in one-hour time slots. We apply two statistical models for forecasting download and upload traffic profiles, namely, seasonal autoregressive integrated moving average (SARIMA) and Holt-Winters models. We demonstrate that both models are suitable for forecasting mobile network traffic. Nevertheless, the SARIMA model is more appropriate for download traffic (e.g., MAPE [mean absolute percentage error] of 11.2% vs. 15% for Holt-Winters), while the Holt-Winters model is better suited for upload traffic (e.g., MAPE of 4.17% vs. 9.9% for SARIMA and Holt-Winters, respectively).
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