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<p>This work presents the development of a compact and efficient antenna designed for high-frequency applications, specifically targeting D-band (110–170 GHz) communication. A comprehensive link budget analysis was initially conducted for 100-m range and a target data rate of 25 Gbps at an operating frequency of 150 GHz. Key parameters, including transmission power, antenna gain, received power and signal-to-noise ratio, were evaluated. Based on these values, a novel rectangular microstrip patch antenna with dimensions of <InlineEquation ID="IEq1"> <EquationSource Format="TEX">\(1.48 \times 1.48 \times 0.3\, \text {mm}^{3}\)</EquationSource> <EquationSource Format="MATHML"><math> <mrow> <mn>1.48</mn> <mo>×</mo> <mn>1.48</mn> <mo>×</mo> <mn>0.3</mn> <mspace width="0.166667em" /> <msup> <mtext>mm</mtext> <mn>3</mn> </msup> </mrow> </math></EquationSource> </InlineEquation> was designed by incorporating a metamaterial-inspired complementary split ring resonator (CSRR) structure. The S-parameters of the unit cell were extracted using MATLAB, and the antenna performance was validated through simulations in the high-frequency structure simulator (HFSS). The proposed antenna achieves dual-band operation with enhanced bandwidths of 17 GHz and a peak gain of 17.49 dBi, making it highly suitable for D-band applications in terahertz (THz) communication systems.</p>

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Optimised CSRR-loaded antenna for high-efficiency THz communication: a link budget perspective

  • 期刊论文

  • 发表日期：

    2026年2月9日

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  • Selvakumar George,
  • M Ramesh,
  • Nirmal Jothi J,
  • Relin Francis Raj J,
  • Muthuramya C,
  • Santhana Krishnan R

摘要

This work presents the development of a compact and efficient antenna designed for high-frequency applications, specifically targeting D-band (110–170 GHz) communication. A comprehensive link budget analysis was initially conducted for 100-m range and a target data rate of 25 Gbps at an operating frequency of 150 GHz. Key parameters, including transmission power, antenna gain, received power and signal-to-noise ratio, were evaluated. Based on these values, a novel rectangular microstrip patch antenna with dimensions of \(1.48 \times 1.48 \times 0.3\, \text {mm}^{3}\) 1.48 × 1.48 × 0.3 mm 3 was designed by incorporating a metamaterial-inspired complementary split ring resonator (CSRR) structure. The S-parameters of the unit cell were extracted using MATLAB, and the antenna performance was validated through simulations in the high-frequency structure simulator (HFSS). The proposed antenna achieves dual-band operation with enhanced bandwidths of 17 GHz and a peak gain of 17.49 dBi, making it highly suitable for D-band applications in terahertz (THz) communication systems.