Table 5.
References | No of Bands | Resonating Frequency (GHz) | Minimum Reflectance Response (S11) | Peak Gain (dB) |
---|---|---|---|---|
[44] | 5 | 4.4, 5, 5.8, 8.05 | −17, −31, −13, −17 | - |
4 | 2.9, 5.1, 5.95, 6.55, 8.3 | −25, −13, −22, −25, −21.5 | - | |
5 | 3.2, 5.5, 6, 6.6, 8.3 | −10, −17, −22, −12, −10 | - | |
[9] | 3 | 3.4, 5.7 | −20, −39 | - |
[35] | 5 | 5.3, 7.5, 9.8, 14.9, 19 | −13, −12, −10, −23, −21 | 8.5 |
[6] | 2 | 5.7, 10.3 | −22, −21 | 6.38 |
[28] | 3 | 4, 4.8, 9 | −26, −16.5, −35 | 3.24 |
Proposed CPIO and SWT structure | 7 | 3.33, 3.52, 4.04, 4.37, 4.72, 6.49, 7.89 | −24.78, −11.11, −20.11, −13.64, −13, −33.79, −11.17 | 8.57 |