Multiband 5G NR-over-Fiber System Using Analog Front Haul

This paper reports the performance evaluation and realization of fifth generation (5G) new radio (NR) multiband signals employing Analog Radio-over-Fiber based optical link as a front haul. The proposed 5G NR signals comprise of 3 GHz flexible waveforms and 23 GHz–400 MHz bandwidth. The EVM performance for the system meets the 3GPP Release 16. Furthermore, EVM performance for received optical power is evaluated up to 400 MHz bandwidth. Besides, we perform an evaluation for coexisting 5G and 4G systems with cleaner and lower EVM in limits for offset greater than 15 MHz.