Abstract
Driven by the rapid advancement of both cellular network technologies and mobile devices, mobile social network (MSN) services significantly facilitate personal and business communications and therefore inevitably consume substantial network resources and potentially affect the network stability. Despite of their huge user base and popularity, little work has been done to characterize the service model of MSN services. Thus, in light of many works on MSN services focusing on their various different aspects, this paper aims to provide a deep understanding of the service model of MSN services from different levels. In order to reach credible conclusions, our research is based on a large-scale data set collected inside a province wide 4G cellular data network in China. Specially, we choose WeChat Moments (WM) as a case study since it is one of the most popular MSN services in China with 600 millions of active users per month.
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