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Hidayah M Adnan, Noor
International Islamic University Malaysia
Electrical & Electronics Engineering

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Designing Large-Scale Antenna Array Using Sub-Array Mukit, Naimul; Md. Rafiqul, Islam; Zahirul Alam, AHM; Abdullah, Khaizuran; Farihah Abdul Malek, Norun; Nibir, Rauful; Hidayah M Adnan, Noor; Osman, Eid
Bulletin of Electrical Engineering and Informatics Vol 8, No 3: September 2019
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v8i3.1529

Abstract

Antenna array of large scale have been examined for different applications including 5G technology. To get better data rate or a reliable link substantial number of antenna arrays have been utilized to provide high multiplexing gains as well as array gains with high directivity. In this paper a simple but efficient implementation technique of using sub-arrays for the improvement of large-sized uniform arrays. By repeating a small sub-array multiple times large arrays can be designed. This implication of utilizing small array simplifies the design of a larger array which allows the designer to concentrate on the smaller sub-array before assembling larger arrays. So, by investigating the sub arrays the performance and radiation characteristics of large arrays can be anticipated. The array-factor for a planar sub-array of 2x2 (4 elements) is analyzed using Mat-lab software and then a large array is formed by placing the 2x2 sub-array in  different configurations in a rectangular arrangements up to 8x8 planar array. And then the results are validated with CST (Computer simulation technology) simulation results. In this way the array-factors, directivities, HPBWs, and side lobes of the constructed large arrays are analyzed and associated with the small sub-array.
Co-Authors Abdullah, Khaizuran Farihah Abdul Malek, Norun Md. Rafiqul, Islam Mukit, Naimul Nibir, Rauful Osman, Eid Zahirul Alam, AHM