CELLULAR NETWORK TRAFFIC PREDICTION USING EXPONENTIAL SMOOTHING METHODS

Abstract

Wireless traffic prediction plays an important role in network planning and management, especially for real-time decision making and short-term prediction.Systems require high accuracy, low cost, and low computational complexity prediction methods.Although exponential smoothing is an effective method, there is a lack of use with cellular networks and research on data traffic.The accuracy and suitability of this method need to be evaluated using several types of traffic.Thus, this study introduces the application of exponential smoothing as a method of adaptive forecasting of cellular network traffic for cases of voice (in Erlang) and data (in megabytes or gigabytes).Simple and Error, Trend, Seasonal (ETS) methods are used for exponential smoothing.By investigating the effect of their smoothing factors in describing cellular network traffic, the accuracy of forecast using each method is evaluated.This research comprises a comprehensive analysis approach using multiple case study comparisons to determine the best fit model.Different exponential smoothing models are evaluated for various traffic types in different time scales.The experiments are implemented on real data from a commercial cellular network, which is divided into a training data part for modeling and test data part for forecasting comparison.

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