Research Article
Analysis and Design of a High Gain Multiband Antenna Based on Metamaterials for RFID Applications
Table 5
Comparison of the proposed antenna with other recent multiband antennas for similar applications.
| | Year of pub | Ref | Antenna dimensions (mm3) | Electrical size () | Operating bands (GHz) | Realized gain (dB) | Eff (%) | Applications | Techniques |
| | 2019 | [3] | | — | 920-925/2.45 | 4.37 | | RFID | Slots | | 2020 | [5] | | — | 1.3/2.6 | 1.85/1.89 | — | — | Slots | | 2021 | [7] | | — | 0.8/2.4/2.8/6.2 | 1.4/2.16/2.54 | — | IoT/Wi-Fi | Change the antenna shape | | 2021 | [10] | | | 2.45/5.5 | 2.28/4.42 | 97/98 | WLAN | Change the antenna shape | | 2022 | [11] | | | 0.915/2.45/5.8 | 2/5.1/5.7 | | RFID | Multilayer | | 2020 | [14] | | — | 2.4/5.95 | 5/4.7 | — | RFID/5G/sub-6GHz/WLAN | Multilayer | | 2020 | [16] | | — | 915/2.45 | 5 | — | RFID | Stacked patches | | 2023 | [17] | | — | 2.34–2.56/5.07–5.90 | 3.89/4.88
5.79/7.18 | 87
73 | WLAN | Stacked patches | | 2020 | [26] | | | 2.65–3.25/5–7 | 2.18/3.25 | 97/99 | WLAN | MTM | | — | This work | | | 0.915/2.45/5.8 | 1.8/7/7 | 97/98//95 | Triband RFID | MTM |
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