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In this research, a low-profile metamaterial-inspired dual-band antenna is proposed for 5G communication which covers n78 band of Laptop and Mobile Terminal applications and 5G IOT Wireless Avionics Intra Communication (WAIC) applications. The designed antenna consists of rectangular Split Ring Resonator (SRR) as radiating element and partial rectangular ground plane with defected ground structure (DGS) is achieved by Complementary Split Ring Resonator (CSRR). It has been designed on Rogers RO4350 substrate which has a thickness of 0.8 mm, with the relative dielectric constant value Ɛr = 3.66 and with the loss tangent value tan δ = 0.004. The results indicate that metamaterial structure improves the gain, bandwidth and radiation efficiency of the antenna. The simulated 10 dB impedance bandwidth covers 5G-n78 band with the center frequency of 3.5 GHz and WAIC band with the center frequency of 4.3 GHz. The proposed antenna operates with high radiation efficiency, better gain and covered required bandwidth with linear polarisation. A reduced dimension of 0.25λ0 × 0.35λ0 × 0.009λ0 is achieved.

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Offset-Fed Defected Ground Structure (DGS)-Based Metamaterial-Inspired Asymmetric SRR for 5G Terminal Applications

  • 会议论文

  • 发表日期：

    2025年

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  • B. Meenambal,
  • K. Vasudevan,
  • G. Uma Maheshwari,
  • J. Sherene

摘要

In this research, a low-profile metamaterial-inspired dual-band antenna is proposed for 5G communication which covers n78 band of Laptop and Mobile Terminal applications and 5G IOT Wireless Avionics Intra Communication (WAIC) applications. The designed antenna consists of rectangular Split Ring Resonator (SRR) as radiating element and partial rectangular ground plane with defected ground structure (DGS) is achieved by Complementary Split Ring Resonator (CSRR). It has been designed on Rogers RO4350 substrate which has a thickness of 0.8 mm, with the relative dielectric constant value Ɛr = 3.66 and with the loss tangent value tan δ = 0.004. The results indicate that metamaterial structure improves the gain, bandwidth and radiation efficiency of the antenna. The simulated 10 dB impedance bandwidth covers 5G-n78 band with the center frequency of 3.5 GHz and WAIC band with the center frequency of 4.3 GHz. The proposed antenna operates with high radiation efficiency, better gain and covered required bandwidth with linear polarisation. A reduced dimension of 0.25λ0 × 0.35λ0 × 0.009λ0 is achieved.