![]() Based on the results, five resonances for the transmission coefficient were achieved at frequencies of 2.896 GHz, 8.11 GHz, 9.76 GHz, 12.48 GHz and 13.49 GHz, including the S, X and Ku band satellite communication frequency bands through numerical simulation in a high-frequency electromagnetic simulator Computer Simulation Technology (CST) microwave studio. The dimension of the proposed unit cell is 9 × 9 × 1.524 mm 3, fabricated on a Rogers RT6002 (lossy) substrate material. ![]() Some parts of the outer square ring were extended to enlarge the electrical length which altered the inductance of the metamaterial unit cell. The proposed MDD-SRR unit cell comprises a square-shaped split-ring resonator and two dumbbell-shaped rings. Thus, this study modified the double dumbbell-shaped split-ring resonator (MDD-SRR) based negative permittivity for satellite communications. Metamaterial with negative permittivity demonstrate excellent performance in cutting-edge technology.
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