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Space-fed Array Variations of E-shape and U-slot cut Rectangular Microstrip Antennas using Modified Feed for Gain Enhancement

Amit A. Deshmukh et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · 2025

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Author / responsible party
Amit A. Deshmukh et al
Publisher
Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo
Year
2025
ISSN
2179-1074
ISSN
2179-1074
Language
English

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Abstract Space-fed array comprising of E-shape or U-slot cut rectangular microstrip antennas using the modified feed designs are proposed for higher gain and wider bandwidth. Modified feed optimally illuminates the edge space-fed elements to achieve a maximum gain. Amongst the two space-fed array variations, 7 x 7 E-shape space-fed array, excited using the feed comprising of gap-coupled and stacked E-shape patches provides bandwidth and gain of 2.085 GHz (48.97%) and 18.5 dBi, respectively. The antenna exhibits broadside radiation pattern across the complete bandwidth. An experimental validation has been carried out for the simulated results that show a close agreement.

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APA 7

al, A. A. D. E. (2025). Space-fed Array Variations of E-shape and U-slot cut Rectangular Microstrip Antennas using Modified Feed for Gain Enhancement. https://doi.org/10.1590/2179-10742025v24i1288106

MLA

al, Amit A. Deshmukh et. "Space-fed Array Variations of E-shape and U-slot cut Rectangular Microstrip Antennas using Modified Feed for Gain Enhancement." 2025. https://doi.org/10.1590/2179-10742025v24i1288106.

Chicago

al, Amit A. Deshmukh et. 2025. "Space-fed Array Variations of E-shape and U-slot cut Rectangular Microstrip Antennas using Modified Feed for Gain Enhancement.". https://doi.org/10.1590/2179-10742025v24i1288106.

Harvard

al, A. A. D. E. 2025, Space-fed Array Variations of E-shape and U-slot cut Rectangular Microstrip Antennas using Modified Feed for Gain Enhancement, Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo, available at: https://doi.org/10.1590/2179-10742025v24i1288106 [Accessed 7 Aug. 2026].

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Title
Space-fed Array Variations of E-shape and U-slot cut Rectangular Microstrip Antennas using Modified Feed for Gain Enhancement
Author / contributors
Amit A. Deshmukh et al
Publisher
Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo
Publication year
2025
ISSN
2179-1074
ISSN
2179-1074
Language
English

Subjects

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Broadband High gain microstrip antenna; E-shape Microstrip antenna; Spaced-fed microstrip antenna array; U-slot cut Rectangular microstrip antenna.
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