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Authors: O. Caytan, I. L. de Paula, L. Bogaert, J. Van Kerrebrouck, A. Moerman, M. Muneeb, G. Torfs, J. Bauwelinck, P. Demeester, G. Roelkens, S. Lemey, H. Rogier
Title: Co-Design Strategies for AFSIW-Based Remote Antenna Units for RFoF
Format: International Conference Proceedings
Publication date: 3/2023
Journal/Conference/Book: European Conference on Antennas and Propagation, EuCAP
Location: Florence, Italy
DOI: 10.23919/EuCAP57121.2023.10133123
Citations: 1 ( - last update: 14/7/2024)
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This contribution discusses several recently proposed remote antenna units (RAUs) based on air-filled substrate-integrated-waveguide technology, specifically focusing on the co-design between antenna elements and optoelectronic transducers. These include two passive sub-6 GHz transmit RAUs and one active mmWave transmit RAU. It is concluded that the RAU's performance benefits from a thorough co-design, aiming for a conjugate-match between both components, when compared to a diakoptic design procedure, optimizing both components separately. Specifically, this approach resulted in a significant miniaturization of the sub-6 GHz RAU, while in case of the mmWave RAU, the efficiency was improved.

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