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Design of a High-Gain 2 × 1 Array Antenna for S-Band Applications

World Journal of Engineering and Technology 2023年第2期11卷 293-302页

作者： Md. Imran Hossain Md. Ariful Islam Md. Tofail Ahmed Md. Humaun Kabir Department of Electrical Electronic and Communication Engineering Pabna University of Science and Technology Pabna Bangladesh Department of Electrical and Electronic Engineering Pabna University of Science and Technology Pabna Bangladesh Department of Information and Communication Engineering Pabna University of Science and Technology Pabna Bangla-desh Department of Computer Science and Engineering Bangamata Sheikh Fojilatunnesa Mujib Science & Technology University Jamalpur Bangladesh

Antennas are an indispensable element in wireless networks. For long-distance wireless communication, antenna gains need to be very strong (highly directive) because the signal from the antenna loses a lot of strength as it travels over long distances. This is true in the military with missile, radar, and satellite systems, etc. Antenna arrays are commonly employed to focus electromagnetic waves in a certain direction that cannot be achieved perfectly with a single-element antenna. The goal of this study is to design a rectangular microstrip high-gain 2 × 1 array antenna using ADS Momentum. This microstrip patch array design makes use of the RT-DUROID 5880 as a substrate with a dielectric constant of 2.2, substrate height of 1.588 mm, and tangent loss of 0.001. To achieve efficient gain and return loss characteristics for the proposed array antenna, RT-Duroid is a good choice of dielectric material. The designed array antenna is made up of two rectangular patches, which have a resonance frequency of 3.3 GHz. These rectangular patches are excited by microstrip feed lines with 13 mm lengths and 4.8 mm widths. The impedance of the patches is perfectly matched by these transmission lines, which helps to get better antenna characteristics. At a resonance frequency of 3.3 GHz, the suggested antenna array has a directivity of 10.50 dB and a maximum gain of 9.90 dB in the S-band. The S parameters, 3D radiation pattern, directivity, gain, and efficiency of the constructed array antenna are all available in ADS Momentum.

关键词： Microstrip patch Antenna Array Antenna Microstrip Feed rectangular patch Gain Efficiency Directivity ADS

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