Review Article
Smart Home IoT System by Using RF Energy Harvesting
Table 1
Comparison between the proposed harvesting system and related technologies.
| Work | (GHz) | Antenna size (mm3) | Max gain (dBi) | Rectenna eff. (%) | Structure | Technology | Polarization type |
| [5] | 5.05-7.45 | | 12 | 61 @ 5.82 GHz | Two layers | HSMS 2860 | Circular | [18] | 2.3-2.9 | | 3 | 59.5 @ 2.45 GHz | One layer | SMS7630 | Circular | [19] | 0.908-2 and 2.35-2.5 | | 5.41 and 7.94 | 43 @ 0.9 GHz and 39 @ 2.45 GHz | Multilayers | SMS7630 | Circular | Proposed rectenna | 1.7-3 | | 9.902 | 60 | One layer | SMS7630 | Circular |
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