This chapter provides an overview of NR, its design principles, and the most important technology components.
NR; ultra-lean; forward compatibility; beam-centric
Fig. 5.1 outlines the timeline for the NR development within 3GPP. The technical work on NR was initiated in the spring of 2016 as a study item in 3GPP release 14, based on a kick-off workshop in the fall of 2015. During the study item phase, different technical solutions were studied, but given the tight time schedule, some technical decisions were taken already in this phase. The work continued into a work item phase in release 15, resulting in the first version of the NR specifications available by the end of 2017, before the closure of 3GPP release ...