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<p>This article presents a wireless communication 5th Generation (5G) Ultrawideband (UWB) Multiple Input Multiple Output (MIMO) antenna, at Sub-6&#xa0;GHz frequencies for Internet of Things (IoT) applications, to address the requirement of high data rates at lower frequencies. The Artificial Magnetic Conductor (AMC) reflector and walls are used to enhance the gain and isolation, respectively, for the UWB MIMO Antenna. The fractional bandwidth (FBW) of 108.58% is below −&#xa0;10&#xa0;dB from 2.37 to 8&#xa0;GHz. A Dual Ring and Dual Band (DRDB) 5 × 8 AMC array is placed at a height 0.11 λ<sub>0</sub> (λ<sub>0</sub> at 2.37&#xa0;GHz) from the antenna to enhance the gain. The maximum enhanced peak gain achieved is 7 dBi from 2.3 dBi at 3&#xa0;GHz. Two 1 × 3 DRDB AMC array walls are incorporated to isolate the ports. The simulated isolation is &gt; 19.66&#xa0;dB from 2.37 to 8&#xa0;GHz. The size of the proposed antenna structure is 0.39 λ<sub>0</sub> × 0.63 λ<sub>0</sub> × 0.14 λ<sub>0</sub>, with ECC &lt; 0.0037, CCL &lt; 0.12 bits/s/Hz, TARC &lt; −&#xa0;10&#xa0;dB. The proposed antenna operates for the Sub-6&#xa0;GHz communication bands, WiFi/WiMax/Bluetooth/LTE Frequency, Mid Band, 5&#xa0;GHz band and WiFi-6E, which makes it advantageous for the IoT applications. In addition, the proposed antenna is integrated on a vehicle to study its radiation characteristics in the simulator.</p>

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Sub-6 GHz Ultrawideband Gain Enhanced Antenna for IoT Applications

  • 期刊论文

  • 发表日期：

    2025年7月24日

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  • Rohit Khandekar,
  • Deepika Sipal

摘要

This article presents a wireless communication 5th Generation (5G) Ultrawideband (UWB) Multiple Input Multiple Output (MIMO) antenna, at Sub-6 GHz frequencies for Internet of Things (IoT) applications, to address the requirement of high data rates at lower frequencies. The Artificial Magnetic Conductor (AMC) reflector and walls are used to enhance the gain and isolation, respectively, for the UWB MIMO Antenna. The fractional bandwidth (FBW) of 108.58% is below − 10 dB from 2.37 to 8 GHz. A Dual Ring and Dual Band (DRDB) 5 × 8 AMC array is placed at a height 0.11 λ0 (λ0 at 2.37 GHz) from the antenna to enhance the gain. The maximum enhanced peak gain achieved is 7 dBi from 2.3 dBi at 3 GHz. Two 1 × 3 DRDB AMC array walls are incorporated to isolate the ports. The simulated isolation is > 19.66 dB from 2.37 to 8 GHz. The size of the proposed antenna structure is 0.39 λ0 × 0.63 λ0 × 0.14 λ0, with ECC < 0.0037, CCL < 0.12 bits/s/Hz, TARC < − 10 dB. The proposed antenna operates for the Sub-6 GHz communication bands, WiFi/WiMax/Bluetooth/LTE Frequency, Mid Band, 5 GHz band and WiFi-6E, which makes it advantageous for the IoT applications. In addition, the proposed antenna is integrated on a vehicle to study its radiation characteristics in the simulator.