BEAM BROADENED RADIAL LINE SLOT ARRAY ANTENNA FOR FIFTH GENERATION (5G) MOBILE BROADBAND COMMUNICATION

Ibrahim Maina; Tharek Abd Rahman; Mohsen Khalily; Solomon Iliya Zakwoi

doi:10.11113/jt.v78.8892

Authors

Ibrahim Maina Abubakar Tafawa Balewa University, P. M. B. 0248 Bauchi, Bauchi State, Nigeria
Tharek Abd Rahman Wireless Communication Center(WCC), Faculty of Electrical Engineering, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Malaysia
Mohsen Khalily Abubakar Tafawa Balewa University, P. M. B. 0248 Bauchi, Bauchi State, Nigeria
Solomon Iliya Zakwoi Abubakar Tafawa Balewa University, P. M. B. 0248 Bauchi, Bauchi State, Nigeria

DOI:

https://doi.org/10.11113/jt.v78.8892

Keywords:

Linear polarization, slot array antenna, broad beam, 5G, 28 GHz, beamwidth

Abstract

Radial line slot array antenna with broad beam is easily realized at frequencies in the lower part of super high frequency band. But emerging broadband mobile communication systems like the fifth generation target frequencies in the upper part of the band and beyond. Therefore, this paper presents the design of beam broadened radial line slot array antenna at 28 GHz for fifth generation broadband mobile communication system. Surface slot distribution synthesis was carried on beam squinted standard single layer radial line slot array design to achieve the broad beam. Using computer simulation technology microwave studio 2014 software, 85 mm radius antenna having polypropylene (É›_r = 2.33) as cavity material was realized. Simulated results shows a gain of 15.8 dB, impedance bandwidth of 1.6 GHz, radiation efficiency of 96 % and 3 dB half power beamwidth of up to 32.3^o.

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