Fig. 6

Visualization and statistical properties of RF channels under different conditions. (a) Path loss heatmap in urban crossroad scenario with sub-6 GHz frequency band. (b) Path loss heatmap in urban crossroad scenario with mmWave frequency band. (c) Propagation paths in mountain road scenario under SISO. (d) Propagation paths in mountain road scenario under MIMO. (e) Propagation paths in mountain road scenario under massive MIMO. (f) SCCFs in mountain road scenario with sub-6 GHz and mmWave frequency bands under MIMO and massive MIMO conditions. (g) Path loss heatmap in urban crossroad scenario on sunny days. (h) Path loss heatmap in urban crossroad scenario on rainy days. (i) Path loss heatmap in urban crossroad scenario on snowy days.