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    Compact Multibeam Array with Miniaturized Butler Matrix for 5G Applications

    Suleiman A. Babale1, Muhammad K. Ishfaq2,*, Ali Raza2, Jamal Nasir3, Ahmad Fayyaz3, Umer Ijaz2

    CMC-Computers, Materials & Continua, Vol.72, No.1, pp. 925-937, 2022, DOI:10.32604/cmc.2022.024711

    Abstract This paper presents the design and implementation of a miniaturized beam steering network that produces broadside beams when it is fed with a compact antenna array. Butler Matrix (BM) was used as the beam steering network. It was completely built from a miniaturized 3 dB hybrid-couplers in planar microstrip technology. It was configured by feeding the BM with a Planar Inverted-E Antenna (PIEA) array separated at 0.3 λ as against the 0.5 λ separation. This makes the BM produce a major radiation pattern at the broadside. Apart from the miniaturization, no modification was made from the BM side. However, employing effective… More >

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