Introduction to LTE Cellular Networks

Mobile communications have come a long way since the introduction of the first mobile telephone systems in the 1950s by German National Railway (Dahlman, Parkvall, & Skold, 2011). Aside from the fact that the user equipments (UEs) were bulky and power hungry, there were other serious issues such as frequency allocation and the transmitted power of the base station (BS). Therefore, these primitive services severely limited the number of active users to the number of channels assigned to a particular frequency zone (Sesia, Toufik, & Baker, 2011).

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