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<p>This paper details the design of a two-port MIMO antenna, shaped like a mechanical bearing, featuring a T-stub and utilizing a modified ground plane to cater to multi-standard wireless applications. It is fabricated on FR4 glass-epoxy material with an ε = 4.4 and a thickness of 1.6&#xa0;mm. The antenna demonstrates an impedance bandwidth of 6.31&#xa0;GHz and 6.24&#xa0;GHz within the frequency range of 2.37&#xa0;GHz to 8.68&#xa0;GHz and 9.84&#xa0;GHz to 16.08&#xa0;GHz, respectively. These results are achieved with a partial ground plane and T stub, showcasing performance characteristics in the specified start and stop frequency bands of 1&#xa0;GHz and 17&#xa0;GHz. Due to its improved impedance bandwidth (BW), the antenna emerges as a viable option for various IOT and multimedia applications, including 5G New Radio (NR) frequency bands such as N77/N78/N79 (3.30–5.00&#xa0;GHz), LTE band (5.15–5.93&#xa0;GHz), European Union (EU) 5G band spanning 5.90 to 6.4&#xa0;GHz, RFID (2.4&#xa0;GHz/5.4&#xa0;GHz), Wi-Fi (2.40–2.49&#xa0;GHz), Bluetooth (2.40&#xa0;GHz), WLAN (2.40–2.48&#xa0;GHz/5.15–5.36&#xa0;GHz/5.72–5.83&#xa0;GHz), Wi-MAX (3.20–3.85&#xa0;GHz), C-band downlink-uplink (3.72–4.20&#xa0;GHz/5.93–6.43&#xa0;GHz), ITU band (7.80–8.40&#xa0;GHz), and TV telecasting (7.91–8.62&#xa0;GHz).</p>

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A Mechanical Bearing Shaped, Two-Port MIMO Antenna with Defected Ground and T-Stub for Multi-Standard Wireless Applications

  • 期刊论文

  • 发表日期：

    2026年5月4日

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  • Jagtar Singh Sivia,
  • Sumeet Singh Bhatia,
  • Amandeep Kaur Sarao,
  • Sukhwinder Singh Mann

摘要

This paper details the design of a two-port MIMO antenna, shaped like a mechanical bearing, featuring a T-stub and utilizing a modified ground plane to cater to multi-standard wireless applications. It is fabricated on FR4 glass-epoxy material with an ε = 4.4 and a thickness of 1.6 mm. The antenna demonstrates an impedance bandwidth of 6.31 GHz and 6.24 GHz within the frequency range of 2.37 GHz to 8.68 GHz and 9.84 GHz to 16.08 GHz, respectively. These results are achieved with a partial ground plane and T stub, showcasing performance characteristics in the specified start and stop frequency bands of 1 GHz and 17 GHz. Due to its improved impedance bandwidth (BW), the antenna emerges as a viable option for various IOT and multimedia applications, including 5G New Radio (NR) frequency bands such as N77/N78/N79 (3.30–5.00 GHz), LTE band (5.15–5.93 GHz), European Union (EU) 5G band spanning 5.90 to 6.4 GHz, RFID (2.4 GHz/5.4 GHz), Wi-Fi (2.40–2.49 GHz), Bluetooth (2.40 GHz), WLAN (2.40–2.48 GHz/5.15–5.36 GHz/5.72–5.83 GHz), Wi-MAX (3.20–3.85 GHz), C-band downlink-uplink (3.72–4.20 GHz/5.93–6.43 GHz), ITU band (7.80–8.40 GHz), and TV telecasting (7.91–8.62 GHz).