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Coexistence Analysis of LTE eMTC and 5G New Radio

The support for Internet of Things (IoT) has evolved over several successive releases of standard specifications in 3GPP. As a result, eMTC and NB-IoT are mature 4G wireless technologies that are seeing largescale deployment. Thus, even as 4G systems migrate to 5G New Radio (NR) technology, there is a strong motivation to continue to support eMTC devices through efficient deployment of eMTC within a 5G NR carrier. In 3GPP, studies are underway to identify and rectify issues related to coexistence between eMTC and NR systems. This paper presents an analysis of such coexistence considering various aspects. The analysis demonstrates that the issues affecting coexistence can generally be handled through implementation. The paper also discusses several mechanisms for achieving improved performance with coexistence.