Wan-Hsun Hu

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With the launching of 4G services and evolving in mobile technology, data-hungry applications are ubiquitous and embraced by more and more customers. It is obvious that customers are more likely to run out of their monthly data allowance when using these applications. Therefore, network operators introduce many feasible upselling products for customers to(More)
—Long Term Evolution (LTE) has been widely adopted by many 4G network operators. Many countries in America, Europe, and Asia have started LTE services since 2010. In the meantime, some countries (such as Taiwan and China) are in the process of transferring from 3G or Worldwide Interoperability for Microwave Access (WiMAX) to 4G services. In this paper, we(More)
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