Fig. 8: The wireless communication experiments to demonstrate the proposed selectivity in both frequency and spatial domains of the filtering RIS. | Nature Communications

Fig. 8: The wireless communication experiments to demonstrate the proposed selectivity in both frequency and spatial domains of the filtering RIS.

From: A filtering reconfigurable intelligent surface for interference-free wireless communications

Fig. 8

a–e Five cases with different frequencies and coding sequences. f The SNR spectra in relation to the radiated power from the transmitting antennas in the five cases. g The SNR spectrum in Case 3 with the radiated power of 0 dBm.

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