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Compact 4 × 4 Butler matrix design-based switch beamforming antenna array for 5G applications
  • +4
  • Ali Abdulateef Abdulbari,
  • Sharul Kamal Abdul Rahim,
  • Tan KIM GEOK,
  • Amna shibib kamel,
  • Raya adil kamil,
  • Hatem Oday Hanoosh,
  • Mustafa Mohammed Jawad
Ali Abdulateef Abdulbari
University of Technology- Iraq, Baghdad

Corresponding Author:[email protected]

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Sharul Kamal Abdul Rahim
Universiti Teknologi Malaysia Wireless Communication Centre
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Multimedia University Faculty of Engineering and Technology
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Amna shibib kamel
Al-Turath University College
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Raya adil kamil
Al-Turath University College
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Hatem Oday Hanoosh
Imam Ja'afar Al-Sadiq University
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Mustafa Mohammed Jawad
Al-Turath University College
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This paper, presents a 4×4 BM based on four direction switch BM antenna array. The proposed design operated at 3.5 GHz. The use of multi-beam antennas or switched-beam antenna arrays (SAAs) promised users of high-gain and large coverage areas for 5G technologies. The BM was implemented by combining 3-dB BLC, two crossovers, and 45 o phase shifters fabricated on the RT5880LZ substrate, with using a triangular slot and T-shape based on the BM design. The proposed design focused on the miniaturization and enhancement of the bandwidth. The return loss and isolation were better than -15 dB at all the ports, according to the simulated and measured result showed that with excellent insertion loss -6.1 ± 2 dB. A fractional bandwidth of 49.7% and the overall dimension were reduced to 56% as compared to the conventional BLC and crossover. Hence, the proposed design of BM performed an excellent size reduction of 80% and improvement bandwidth up to 836 MHz compared to the traditional BM. The switched beam directions were measured at -34 o, -40 o, +32 o and +35 o at 3.5 GHz for each input port of 1-4 excitation. The proposed design BM is suitable of 5G application.
03 May 2023Submitted to International Journal of Numerical Modelling: Electronic Networks, Devices and Fields
03 May 2023Submission Checks Completed
03 May 2023Assigned to Editor
03 May 2023Review(s) Completed, Editorial Evaluation Pending
04 May 2023Reviewer(s) Assigned
28 Jun 2023Editorial Decision: Revise Major
07 Sep 20231st Revision Received
19 Sep 2023Submission Checks Completed
19 Sep 2023Assigned to Editor
19 Sep 2023Review(s) Completed, Editorial Evaluation Pending
19 Sep 2023Reviewer(s) Assigned
26 Oct 2023Editorial Decision: Revise Major
31 Oct 20232nd Revision Received
31 Oct 2023Submission Checks Completed
31 Oct 2023Assigned to Editor
31 Oct 2023Review(s) Completed, Editorial Evaluation Pending
02 Nov 2023Reviewer(s) Assigned