Under equal physical aperture, 15 GHz FR3 measurements show higher spectral efficiency than 8 GHz due to more antenna elements overcoming increased sparsity, despite a 3 dB coverage deficit.
Angular spread statistics for 6.75 GHz FR1 (C) and 16.95 GHz FR3 mid-band frequencies in an indoor hotspot environment
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Measurement-Based Massive MIMO Channel Characterization and Performance Evaluation at FR3 (8 and 15 GHz) Under Equal Physical Aperture
Under equal physical aperture, 15 GHz FR3 measurements show higher spectral efficiency than 8 GHz due to more antenna elements overcoming increased sparsity, despite a 3 dB coverage deficit.