CP-OFDM Scheme Performance Evaluation Based on Measurements at 60 GHz for New Radio (NR-5G) Wireless Communications

Abstract

Millimeter-wave band between 30 - 300 GHz frequencies combined with Cycle Prefix Orthogonal Frequency Division-multiplexing Modulation (CP-OFDM) is promoted to be a potential technology enabler for the fifth Generation (5G) mobile network that is based on Physical Data Shared Channel (PDSCH) in the uplink and downlink. Thus, this work which conducted a Maximum Ratio Combining (MRC) scalable CP-OFDM modulation and was based on a measurement at 60 GHz is basically proposed for New Radio (NR)-5G system. Measurements are taken between three buildings under a non-line-of-sight (NLOS) scenario for a path length of 183 m. The measured impulse response has been used to evaluate the performance of NR-5G in terms of the BER. An MRC combiner is also used to maximize the instantaneous SNR at the output of Multi-Input Multi-Output (MIMO) schemes. The expected results are verified by an outdoor mm-wave link (60 GHz) under NLOS conditions for radio access transmission, where high transmission efficiency and data rates could be achieved. Therefore, these results would motivate the use of MRC-CP-OFDM waveform for mobile communication 5G-NR in the downlink.