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| Title | An Efficient Dielectric Resonator Antenna For Dual-Band Dual-Polarized Rfeh Applications In Smart City Environment |
|---|---|
| ID_Doc | 7832 |
| Authors | Surender D.; Halimi M.A.; Khan T.; Talukdar F.A. |
| Year | 2022 |
| Published | Proceedings - 2022 IEEE Silchar Subsection Conference, SILCON 2022 |
| DOI | http://dx.doi.org/10.1109/SILCON55242.2022.10028861 |
| Abstract | This work presents a dual-polarized dielectric resonator antenna (DRA) operating over two frequency bands that cover LTE1800 and LTE2500 bands for radio frequency energy harvesting (RFEH) applications. An Eccostock HIK K10 material with a dielectric constant of 10 is used to create a DRA. The dimension of DRA is 9×16.1×5.5 mm3 placed over the 1.6 mm thick FR4 substrate (ϵr=4.4). The area of the substrate material is optimized as 60×50 mm2. A Bow-tie-shaped slot is created into the ground plane to help bring down the resonant frequency to 1.95 GHz and also helps in increasing the reflection coefficient performance. One more resonance is observed by placing a reflecting plane having an equal dimension to the antenna substrate at a gap of 20 mm from the antenna ground plane. In addition to this, an improvement in the antenna gain is also observed with a reflecting surface. The reflecting plane helps to increase the gain value. The maximum possible gain value is 8.36 dB at 2.6 GHz frequency. The proposed antenna exhibits omnidirectional radiation properties, thus it is suitable to harvest ambient EM energies available at LTE bands. © 2022 IEEE. |
| Author Keywords | Bow-tie shape of a slot; dielectric resonator antenna (DRA); radio frequency energy harvesting (RFEH); reflecting plane |
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