Contribution for the Coexistence Analysis between 5G and 4G in the sub-1GHz Band

Abstract

This paper is regarding the preliminary experimental results on the coexistence evaluation between the fifth (5G) and fourth (4G) generations of mobile communications in the sub-1-GHz band. A coexistence scenario among the three following adjacent channels has been considered in the 700 MHz-band: a broadband signal aiming broadband LTE-A (Long Term Evolution-Advanced) systems; a narrowband signal for NB-IoT applications; another broadband signal intending 5G enhanced mobile broadband services. A peaceful downlink coexistence is demonstrated for providing a unified 4G and 5G network.