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This exploratory work introduces a new data analyzer system, called CNMA (Crowdsourced Network Measurements Analyzer). CNMA aims at addressing the root cause of the bad performance of typical internet applications such as video on demand streaming and web search considering the 3G/4G radio access network. In particular, we study the related physical radio access parameters to the timeout status of transport connections and application throughput using the "5Gmark" crowdsourcing full tests. Thus, we consider dataset of LTE technology collected via measurements from one of the major French mobile operators in Ile-de-France region. To perform the analysis, CNMA is composed of three different modules. The first one is the storage module for storing the Crowdsourced Network Measurements (CNMs) raw data of "5Gmark" tool. The second module is the batch unit. The last module consists on the …