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2024-05-24
Reduction of Specific Absorption Rate Using a-Shaped Electromagnetic Band Gap for Quad Port MIMO Antenna
By
Progress In Electromagnetics Research C, Vol. 143, 141-150, 2024
Abstract
This work designs an electromagnetic band gap structure-based quad port rectangular MIMO antenna to operate in the 5G new radio (NR) sub-6 GHz n79 band, with a frequency range of 4.3-5.0 GHz. To achieve optimal radiating element isolation with the least complexity, MIMO antennas' four radiating elements are oriented orthogonally using an A-shaped electromagnetic band gap (EBG) structure. The EBG structure is located between the human phantom model and the MIMO antenna. The MIMO antenna's measurements are 40 × 40 × 1.6 mm3, and it is implemented on an FR-4 substrate with whole ground. Due to EBG structure, the mutual coupling is improved to -26.0 dB. The ECC, DG, and CCL were also calculated. In addition, the SAR (specific absorption rate) value is reduced to 0.22 w/kg. The MIMO antenna is simulated using HFSS software. The vector network analyzer (VNA), model Anritsu MS 2037C is used to measure the various MIMO antenna parameters.
Citation
Govindarao Tamminaina, and Ramesh Manikonda, "Reduction of Specific Absorption Rate Using a-Shaped Electromagnetic Band Gap for Quad Port MIMO Antenna," Progress In Electromagnetics Research C, Vol. 143, 141-150, 2024.
doi:10.2528/PIERC24031202
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