Abstract—The research on 5G systems is intensively conducted in order to deliver systems by 2020, driven by the exponentially increasing internet traffic, in addition to the emergence of new services and use cases with specific sets of requirements. This paper is a literature review on 5G requirements, use cases and standardization picture. It presents existing and new enabling technologies towards future mobile systems and discusses challenges they face following two aspects: wireless technologies and network technologies.

Index Terms—5G, key technologies, 3GPP standards, IMT-2020, advanced receivers.


Cite: Sanae El Hassani, Abdelfatteh Haidine, and Hayat Jebbar, “Road to 5G: Key Enabling Technologies,” Journal of Communications vol. 14, no. 11, pp. 1034-1048, 2019. Doi: 10.12720/jcm.14.11.1034-1048.