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Table 1 Potential parametrization of a 5G radio access network using different frequency bands

From: 5G transport network requirements for the next generation fronthaul interface

Parameter Symbol Unit 4G 5G
LTE Sub-6 Low mmWave High mmWave
 Carrier frequency f C GHz 2 2 30 70
 Channel size BW MHz 20 100 250 500
 Sampling rate f S MHz 30.72 150 375 750
 # antennas N A 4 96 128 256
 # ADC/DAC chains/layers N L 4 16 12 10
 Overhead (control, line coding) γ 1.33 1.33 1.33 1.33
 Quantizer resolution time domain N Q,T bit 15 15 12 10
 Quantizer resolution frequency domain N Q,F bit 9 9 8 7
 Modulation order M MCS 64 1024 256 64
 Max. code rate R C,MCS 0.85 0.85 0.85 0.85
 Frame duration T F ms 1 1 1 1
 FFT size N FFT 2048 2048 2048 2048
 # active subcarriers N SC,act 1200 1300 1300 1300
 # data symbols per frame N Sy 14 70 150 300
 Peak utilization μ 1 1 1 1
Resulting requirements
 Channel coherence time at v = 3 km/h (2) T C,3 ms 76.17 76.17 5.08 2.18
 Channel coherence time at v = 50 km/h (2) T C,50 ms 4.57 4.57 0.30 0.13
 Channel coherence time at v = 500 km/h (2) T C,500 ms 0.46 0.46 0.03 0.01
 Delay accuracy (3) T J ns 65 13.33 5.33 2.67
 Peak data rate split A (1) D A Gbps 4.9 95.8 143.6 199.5
 Peak data rate split B (4) D B Gbps 1.6 34.9 49.8 72.6
 Peak data rate split C (5) D C Gbps 0.46 16.5 21.2 26.5