A Compact Dual-Band Self-Diplexing MIMO Patch Antenna for ISM and X-Band Communications
AUTOR(ES)
Babu, B. Anil; Madhav, B. T. P.; Srilatha, K.; Sriram, B. M. S.; Hemanth, A. V.
FONTE
Journal of Microwaves, Optoelectronics and Electromagnetic Applications
DATA DE PUBLICAÇÃO
2022
RESUMO
Abstract A compact, dual-band, and self-diplexing MIMO patch antenna with a shared aperture is presented for Industrial scientific medical (ISM) band and X-band communications. The structure consists of two orthogonal feed lines and a rectangular slot in a square patch. The size of the FR4 substrate is 50 × 50 × 1.6 mm3. The designed structure operates at 5.8 (ISM) and 8 GHz (X-band) frequencies independently with a simulated peak gain of 5.46 and 3.59 dBi respectively. A 13 dB of isolation is obtained for the two orthogonal ports. The obtained frequency ratio range is 1.20-1.33 over the reflection bandwidth. The design structure is fabricated and validated experimentally. The compactness and promising performance in terms of low ECC (Envelope Correlation Coefficient) (<0.1), high peak gain can make the proposed antenna a choice for current wireless devices.
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