Table 1 Comparison between this work and the conventional RISs
From: A filtering reconfigurable intelligent surface for interference-free wireless communications
Ref. | Type | f0 (GHz) | Operating BW (GHz) | BW3dB (GHz) | BW20dB (GHz) | BW/BW3dB | Q factor | K20dB |
|---|---|---|---|---|---|---|---|---|
This work | Rx. - Fun. - Tx. | 3.5 | 0.24 (6.9%) | 0.25 (7.1%) | 0.32 (9.1%) | 96% | 14 | 1.3 |
mmWave RIS (Simulated) | Rx. - Fun. - Tx. | 28.5 | 3.6 (12.6%) | 4.0 (14.0%) | 5.6 (19.6%) | 90.0% | 7.1 | 1.4 |
[41] | Rx. - Tx. | 5.0 | 0.5 (10.0%) | 1.0 (20.0%) | 2.0 (40.0%) | 50.0% | 5.0 | >2.0 |
[42] | Rx. - Tx. | 32.0 | 4.3 (13.4%) | 4.9 (15.3%) | 10 (31.2%) | 87.8% | 6.5 | 2.0 |
[46] | Stacked 5-Layers | 5.4 | 0.2 (3.7%) | 0.9 (16.7%) | 1.1 (20.4%) | 22.2% | 6.0 | 1.2 |
[46] | Stacked 5-Layers | 5.4 | 0.1 (1.9%) | 0.7 (13.0%) | 0.9 (16.7%) | 14.3% | 7.7 | 1.3 |