What is a mobile core network?

One of the most critical parts of a mobile network is its core network which is also sometimes referred to as the mobile core. Mobile networks are complex and consist of various key entities in their architecture. Depending on the network technology, e.g. GSM, UMTS, LTE, NR, etc., the architecture can look different. These network …

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What is the difference between smartphones and cellphones?

There was a time, not that long ago when most people used to have mobile phones primarily manufactured by companies like Nokia, Sony Ericsson, Motorola and some others. While phones from these companies are still available (except Sony Ericsson phones now replaced by Sony phones), we do have a lot more choices. There are new …

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Are picocell, femtocell and microcell types of small cells?

Small cells have been a hot topic in the mobile communications industry for many years. Mobile operators often use small cells as a way to extend their network coverage. However, small cells are not just about the additional coverage; they can also allow mobile operators to offer additional capacity to their customers. So what exactly …

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What is the difference between GSM, UMTS and LTE?

GSM, UMTS and LTE are three mobile communications technologies that provide cellular connectivity to a large number of mobile networks across the globe. While GSM and UMTS started their journey primarily in Europe, they are now the leading mobile communications technologies worldwide alongside LTE. GSM, UMTS and LTE are cellular technologies that enable second (2G), …

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