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https://hdl.handle.net/2183/48843 Direct Antenna Multi-Modulation with Time-Modulated Arrays
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R. Maneiro-Catoira, J. Brégains, J. A. García-Naya and L. Castedo, "Direct Antenna Multi-Modulation with Time-Modulated Arrays," 2024 IEEE International Symposium on Antennas and Propagation and INC/USNC‐URSI Radio Science Meeting (AP-S/INC-USNC-URSI), Firenze, Italy, 2024, pp. 2273-2274, doi: 10.1109/AP-S/INC-USNC-URSI52054.2024.10687227
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[Abstract]: We present a novel approach to Direct Antenna Multi-Modulation (DAMM) leveraging Time-Modulated Array (TMA) technology, employing a simplified and cost-effective feeding network equipped with 2-bit phase shifters and digitally controlled Variable Gain Amplifiers (VGAs). This technique enables direct implementation of FSK, PSK and QAM modu-lation schemes within the antenna by utilizing periodic linear-phase time-modulating waveforms. Furthermore, in contrast to conventional phased arrays equipped with high-resolution Variable Phase Shifters (VPSs), but still subject to quantized phases, the TMA can deliver Beam Steering (BS) with virtually continuous angular resolution.
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Presented at: 2024 IEEE International Symposium on Antennas and Propagation and INC/USNC‐URSI Radio Science Meeting (AP-S/INC-USNC-URSI), 14-19 July 2024, Firenze, Italy
© 2024 IEEE. This version of the article has been accepted for publication, after peer review. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The Version of Record is available online at: https://doi.org/10.1109/AP-S/INC-USNC-URSI52054.2024.10687227
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