Design of high gain base station antenna array for mm-wave cellular communication systems

Sehrai, Daniyal Ali, Khan, Jalal, Abdullah, Mujeeb, Asif, Muhammad, Alibakhshikenari, Mohammad, Virdee, Bal Singh, Shah, Wahab Ali, Khan, Salahuddin, Ibrar, Muhammad, Jan, Saeedullah, Ullah, Amjad and Falcone, Francisco (2023) Design of high gain base station antenna array for mm-wave cellular communication systems. Scientific Reports, 13 (4907). pp. 1-8. ISSN 2045-2322


Millimeter wave (mm-Wave) wireless communication systems require high gain antennas to overcome path loss effects and thereby enhance system coverage. This paper presents the design and analysis of an antenna array for high gain performance of future mm-wave 5G communication systems. The proposed antenna is based on planar microstrip technology and fabricated on 0.254 mm thick dielectric substrate (Rogers-5880) having a relative permittivity of 2.2 and loss tangent of 0.0009. The single radiating element used to construct the antenna array is a microstrip patch that has a configuration resembling a two-pronged fork. The single radiator has a realized gain of 7.6 dBi. To achieve the gain required by 5G base stations, a 64-element array antenna design is proposed which has a bore side gain of 21.2 dBi at 37.2 GHz. The 8 × 8, 8 × 16, and 8 × 32 antenna array designs described here were simulated and optimized using CST Microwave Studio, which is a 3D full-wave electromagnetic solver. The overall characteristics of the array in terms of reflection-coefficient and radiation patterns makes the proposed design suitable for mm-Wave 5G and other communication systems.

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