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Authors: Reem Melki 1 ; Hassan Noura 2 and Ali Chehab 1

Affiliations: 1 Department of Electrical and Computer Engineering, American University of Beirut, Beirut, Lebanon ; 2 Department of Computer Science, Arab Open University, Beirut, Lebanon

Keyword(s): Physical Layer Security, Security and Performance Analysis, FBMC.

Abstract: Future mobile systems support heterogeneous devices with diverse requirements and hence require flexible and efficient allocation of available time-frequency resources. A promising multi-carrier modulation scheme considered for 5G systems is the filter bank multi-carrier (FBMC) scheme. FBMC offers better spectral characteristics compared to conventional orthogonal frequency division multiplexing (OFDM) by combining individual or groups of sub-carriers and applying a shaping filter to achieve better spectral containment. While current research on FBMC has mainly focused on reducing the signal processing complexity associated with FBMC as well as coping with the issue of the increased symbol period, analysis of the security aspects of FBMC systems remains largely unattempted. In this paper, we take the first step in this direction and propose a new cipher scheme to guard against adversaries, while preserving the promised performance of FBMC. The proposed cipher scheme is based on dynam ic permutation of time-domain symbols, and a dynamic key approach that generates session keys by exploiting the randomness of the underlying physical communication channel. The randomness of the channel-dependent dynamic key ensures robustness of the cipher solution. The cipher scheme is shown to be highly efficient since it requires only one iteration with one simple operation. Experimental simulations demonstrate that the proposed scheme strikes a good balance between performance and security. (More)

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Paper citation in several formats:
Melki, R.; Noura, H. and Chehab, A. (2020). An Efficient and Secure Cipher Scheme for Filter Bank Multi-Carrier Systems. In Proceedings of the 17th International Joint Conference on e-Business and Telecommunications - WINSYS, ISBN 978-989-758-445-9; ISSN 2184-2825, pages 133-141. DOI: 10.5220/0009852701330141

@conference{winsys20,
author={Reem Melki. and Hassan Noura. and Ali Chehab.},
title={An Efficient and Secure Cipher Scheme for Filter Bank Multi-Carrier Systems},
booktitle={Proceedings of the 17th International Joint Conference on e-Business and Telecommunications - WINSYS,},
year={2020},
pages={133-141},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0009852701330141},
isbn={978-989-758-445-9},
issn={2184-2825},
}

TY - CONF

JO - Proceedings of the 17th International Joint Conference on e-Business and Telecommunications - WINSYS,
TI - An Efficient and Secure Cipher Scheme for Filter Bank Multi-Carrier Systems
SN - 978-989-758-445-9
IS - 2184-2825
AU - Melki, R.
AU - Noura, H.
AU - Chehab, A.
PY - 2020
SP - 133
EP - 141
DO - 10.5220/0009852701330141

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