The first phase of 3GPP 5G R15 standards was released in early 2018 by 3GPP, and 5G should be fully defined in 2019. The first implementations of 5G will utilize the LTE control channel and core, and will focus on enhancing mobile broadband. commercial 5G deployments will follow in 2020. The standards will continue to evolve even after the technology is in the market. Q. Does 5G mean I should avoid investment in LTE technologies?