This chapter will address the drivers and motivation for 5G. It will also provide insights into 5G use cases, requirements from various sources (i.e. International Telecommunication Union-Radio Sector (ITU-R), regional, global requirements) and its ability to enable new services. In addition, it will touch on the business models enabled with the new radio and architecture principles. Furthermore, it will provide insights into the Standards Developing Organization (SDOs) and organizations involved in developing 5G radio and architecture.