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Forward Reconciliation for Covert Key Generation

By Ishaque Ashar Kadampot and Matthieu R. Bloch

Abstract

International audienceWe propose a forward reconciliation algorithm for covert key generation based on pulse-position modulation (PPM) and multilevel coding (MLC) with multistage decoding (MSD). This multilevel scheme not only allows one to concentrate the diffuse information content of the sparse signals used for covertness but also enables the use of independent codes at each level designed for stationary channels. In particular, we show that polar codes offer a low-complexity reconciliation-capacity achieving solution

Topics: Modulation, Random variables, Conferences, Polar codes, Noise measurement, [SPI]Engineering Sciences [physics]
Publisher: 'Institute of Electrical and Electronics Engineers (IEEE)'
Year: 2019
DOI identifier: 10.1109/ITW44776.2019.8989274
OAI identifier: oai:HAL:hal-02880865v1
Provided by: HAL-CentraleSupelec
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