Hamidreza Taghvaee
Error Analysis of Programmable Metasurfaces for Beam Steering
Taghvaee, Hamidreza; Cabellos-Aparicio, Albert; Georgiou, Julius; Abadal, Sergi
Authors
Albert Cabellos-Aparicio
Julius Georgiou
Sergi Abadal
Abstract
Recent years have seen the emergence of programmable metasurfaces, where the user can modify the electromagnetic (EM) response of the device via software. Adding reconfigurability to the already powerful EM capabilities of metasurfaces opens the door to novel cyber-physical systems with exciting applications in domains such as holography, cloaking, or wireless communications. This paradigm shift, however, comes with a non-trivial increase of the complexity of the metasurfaces that will pose new reliability challenges stemming from the need to integrate tuning, control, and communication resources to implement the programmability. While metasurfaces will become prone to failures, little is known about their tolerance to errors. To bridge this gap, this paper examines the reliability problem in programmable metamaterials by proposing an error model and a general methodology for error analysis. To derive the error model, the causes and potential impact of faults are identified and discussed qualitatively. The methodology is presented and exemplified for beam steering, which constitutes a relevant case for programmable metasurfaces. Results show that performance degradation depends on the type of error and its spatial distribution and that, in beam steering, error rates over 20% can still be considered acceptable.
Citation
Taghvaee, H., Cabellos-Aparicio, A., Georgiou, J., & Abadal, S. (2020). Error Analysis of Programmable Metasurfaces for Beam Steering. IEEE Journal of Emerging and Selected Topics in Circuits and Systems, 10(1), 62-74. https://doi.org/10.1109/jetcas.2020.2970077
Journal Article Type | Article |
---|---|
Online Publication Date | Jan 28, 2022 |
Publication Date | 2020-03 |
Deposit Date | Jan 24, 2023 |
Publicly Available Date | Jan 27, 2023 |
Journal | IEEE Journal on Emerging and Selected Topics in Circuits and Systems |
Print ISSN | 2156-3357 |
Electronic ISSN | 2156-3365 |
Publisher | Institute of Electrical and Electronics Engineers |
Peer Reviewed | Peer Reviewed |
Volume | 10 |
Issue | 1 |
Pages | 62-74 |
DOI | https://doi.org/10.1109/jetcas.2020.2970077 |
Keywords | Electrical and Electronic Engineering |
Public URL | https://nottingham-repository.worktribe.com/output/13465514 |
Publisher URL | https://ieeexplore.ieee.org/document/8972463 |
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