Table 2 Performance comparison between the proposed and other reported works. (N.A.U represents not applicable or unspecified).
From: A frequency and beamwidth reconfigurable antenna based on liquid crystal for 5G millimeter waves
Reconfigurability | ||||||
|---|---|---|---|---|---|---|
Ref. | Tuning element | Fre. tunable range (GHz) | -3dB beamwidth tunable range (deg) | No. of feeding port | Antenna Configuration | Effective size (\(\hbox {mm}^{2}\)) |
varactor diodes | 2.15 - 2.99 | 50 - 58 | 1 | Single antenna | \(80\times 240\) | |
LC | 28.8 - 31.8 | N.A.U | 1 | Single antenna | \(12.9\times 12\) | |
p-i-n diodes | 0.79 - 0.96 1.71 - 5 and 27.5 - 28.35 | N.A.U | 4 | Single antenna with Passive element | \(34\times 8\) | |
LC | 19.5 - 27.7 | N.A.U | 1 | Single antenna | \(25\times 25\) | |
p-i-n diodes | 23.7 - 24.7 24.3 - 25.5 and 25.4 - 27.25 and 26.6 - 29.5 | N.A.U | 1 | Antenna array | \(34\times 32\) | |
p-i-n diodes | 26 - 30 | N.A.U | 1 | Single antenna | \(35\times 20\) | |
Proposed | LC | 27.1 - 31.78 | 53.5 - 81 and 47 - 92 | 1 | Single antenna | \(22\times 30\) |
