Sparse antenna array based positional modulation design with a low-complexity metasurface

Abstract

Positional modulation (PM) has been introduced recently where a given modulation pattern can only be received at certain desired positions. To achieve it, the multi-path effect is exploited for positional modulation with the aid of metasurface acting as a low-cost flexible reflecting surface. In this paper, sparse antenna array based positional modulation design is proposed for the first time; to reduce the implementation complexity of the metasurface, the number of active units is also minimised for a given PM design requirement. Design examples are provided to show the effectiveness of the proposed design.

Metadata

Authors/Creators:	Zhang, B. Liu, W. https://orcid.org/0000-0003-2968-2888 Ma, J. Qi, Z. Zhang, J. Han, L. Li, Y. Zhao, X. Zhang, C. Wang, C.
Copyright, Publisher and Additional Information:	© 2020 The Author(s). This work is licensed under a Creative Commons Attribution 4.0 License. For more information, see https://creativecommons.org/licenses/by/4.0/
Keywords:	Positional modulation; directional modulation; metasurface; sparse antenna array
Dates:	Accepted: 21 September 2020 Published (online): 28 September 2020 Published: December 2020
Institution:	The University of Sheffield
Academic Units:	The University of Sheffield > Faculty of Engineering (Sheffield) > Department of Electronic and Electrical Engineering (Sheffield)
Depositing User:	Symplectic Sheffield
Date Deposited:	12 Oct 2020 14:16
Last Modified:	12 Oct 2020 14:16
Status:	Published
Publisher:	Institute of Electrical and Electronics Engineers (IEEE)
Refereed:	Yes
Identification Number:	https://doi.org/10.1109/access.2020.3027285

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Sparse antenna array based positional modulation design with a low-complexity metasurface

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