Table 1 Comparison of some indexes among several references with this work.
From: A digital SIW-slot antenna array with FPGA implementation of beamforming
References | Antenna | Dimensions (\(\mathrm{mm}^{3}\)) | Frequency (GHz) | Bandwidth (GHz) | Gain (dBi) | Efficiency (\(\%\)) | Beam characteristics |
|---|---|---|---|---|---|---|---|
Ref.23 | SIW-loaded patch array | 20 × 13.5 × 0.125 | 190–200 | 10 | Max 12.2 | Max 86 | Static beam |
Ref.22 | MTM- and SIW-inspired Bowtie Antenna | 30 × 16 × 0.8 | 30–37 | 7 | 5.5 | 66.5 | Static beam |
Ref.27 | A Simple Compact Reconfigurable Slot Antenna | 35 × 20 × 1.864 | 0.42–1.48 | 1.06 | Above –0.4 | – | Static beam |
Ref.26 | SIW antenna array | 75 × 61 × 1.575 | 2.45 | 0.08 | 3\(\sim\)6 | – | Switched beam |
Ref.33 | SIW Vivaldi antenna array | 85 × 70 × 1.6 | 8.88–10.02 | 1.14 | 13.3 | – | Static beam |
Ref.6 | Reflect array | 574 × 574 × 0.254 | 60.25 | 0.45 | 42 | 9.5 | Highly directive beam, electronical steering |
Ref.21* | Waveguide-fed aperture array | – | \(\sim\)21.5 | – | – | 38 | Directive or diverse beams electronical tuning |
This work | SIW slot antenna array | 145 × 120 × 1.524 | 5.75 | 0.1053(– 10dB) | 15 | 53.5 | FPGA controlled tunable beams |
