Wireless Technology Evolution Towards 5G: 3GPP Release 13 to Release 15 and Beyond

3GPP has had a strong history of defining the technologies that drive the largest mobile wireless ecosystems from GSM to HSPA and now to LTE which has for the first time has brought together the entire global ecosystem for mobile networks to a single technology. The success of LTE since its early definition in Rel-8 and Rel-9 has driven continued enhancements through LTE-Advanced in Rel-10 through Rel-12, and now through LTE-Advanced Pro in Rel-13, which was just completed in March-June of 2016.  This white paper has provided a detailed discussion on the key feature enhancements that were included in 3GPP Rel-13 such as enhancements to support active antennas, LTE in unlicensed spectrum (LAA), aggregation of LTE and WLAN (LWA and LWIP), low power / wide area coverage for IoT applications through NB-IoT, as well as enhancements to previously introduced LTE technologies such as advanced MIMO, SON, Carrier Aggregation and Dual Connectivity (DC), and Proximity Services and Device-to-Device Communication for Public Safety.

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