Secrecy Capacity of FBMC-OQAM Modulation over Frequency Selective Channel

Rottenberg, François;Philippe De Doncker;François Horlin;Louveaux, Jérôme
(2020) I E E E Wireless Communications Letters — Vol. 9, n° 8, p. 1230-1234 (2020)

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  • Rottenberg, Françoisorcid-logoUCLouvain
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  • Philippe De Doncker
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  • François Horlin
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  • Author
Abstract
This paper studies the information-theoretic secrecy capacity of an Offset-QAM-based filterbank multicarrier (FBMC-OQAM) communication over a wiretap frequency selective channel. The secrecy capacity is formulated as an optimization problem which has a closed-form solution in the high signal-to-noise ratio (SNR) regime. Two of the most common equalization strategies in FBMC-OQAM are considered, namely, single-tap and multi-tap equalization. For the sake of comparison, we also consider the secrecy capacity of a generic modulation and a cyclic prefix-orthogonal frequency division multiplexing (CP-OFDM) modulation. As a result, we find that FBMC-OQAM is particularly competitive for medium-to-long burst transmissions.
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Rottenberg, F., Philippe De Doncker, François Horlin, & Louveaux, J. (2020). Secrecy Capacity of FBMC-OQAM Modulation over Frequency Selective Channel. I E E E Wireless Communications Letters, 9(8), 1230-1234. https://doi.org/10.1109/LWC.2020.2986735 (Original work published 2020)