Design of 1-Bit Digital Subwavelength Metasurface Element for Sub-6 GHz Applications

Kazim, J. u. R., Ur-Rehman, M. , Al-Hasan, M., Mabrouk, I. B., Imran, M. A. and Abbasi, Q. H. (2020) Design of 1-Bit Digital Subwavelength Metasurface Element for Sub-6 GHz Applications. In: 5th International Conference on the UK-China Emerging Technologies (UCET 2020), Glasgow, UK, 20-21 Aug 2020, ISBN 9781728194882 (doi:10.1109/UCET51115.2020.9205382)

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Abstract

This paper proposes a novel 1-bit, electronically reconfigurable, subwavelength metasurface unit cell for sub-6 GHz applications. 180° phase shift is achieved by integrating a single PIN diode in the structure. The unit cell incorporates three layers: The top layer is used for wave reflection, the bottom layer is used for PIN diode placement and DC biasing, and the middle layer acts as a ground plane. The resonance of the unit cell is kept around 3.3 GHz. The magnitude of the reflection coefficient is above 90%. Besides, a phase difference of 180°+20° is achieved over 200 MHz bandwidth. With these characteristics, the proposed unit cell can find its applications in programmable metasurface functions such as beam steering, beam focusing and beam scattering.

Item Type:Conference Proceedings
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Abbasi, Dr Qammer and Imran, Professor Muhammad and Kazim, Jalil Ur Rehman and Ur Rehman, Dr Masood
Authors: Kazim, J. u. R., Ur-Rehman, M., Al-Hasan, M., Mabrouk, I. B., Imran, M. A., and Abbasi, Q. H.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
College of Science and Engineering > School of Engineering > Systems Power and Energy
ISBN:9781728194882
Copyright Holders:Copyright © 2020 IEEE
Publisher Policy:Reproduced in accordance with the copyright policy of the publisher
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