Multi-beam Conformal Transmitarray Synthesis for Advanced Wireless Systems

Publisher:
IEEE
Publication Type:
Conference Proceeding
Citation:
2023 17th European Conference on Antennas and Propagation (EuCAP), 2023, 00
Issue Date:
2023-05-31
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Multi-beam Conformal Transmitarray Synthesis for Advanced Wireless Systems.pdfAccepted version1.05 MB
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Multi beam conformal transmitarrays with a single feed antenna are synthesized using two different methods for the first time First a particle swarm optimization PSO algorithm is employed for phase only optimizations on a cylindrical transmitting surface producing a two beam radiation pattern at 30 in the circular cutting plane Second a superposition method is investigated to achieve the same objective showing a higher peak gain and lower sidelobe levels compared to the results from PSO Third the superposition method is further analyzed for a single feed quad beam conformal transmitarray As a proof of concept the prototype designed using the superposition method for two beams is manufactured and tested Good radiation performance is observed with two beams at 29 and 28 respectively The peak measured gain is 18 3 dBi and the gain difference of two beams is only 0 1 dB
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