Composite Generalized Quadratic Noise Modulation via Signal Addition: Towards Higher Dimensional Noise Modulations

Fuente: arXiv
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Autores principales: Zayyani, Hadi, Salman, Mohammad, de Figueiredo, Felipe A. P., de Souza, Rausley A. A.
Formato: Preprint
Publicado: 2025
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author Zayyani, Hadi
Salman, Mohammad
de Figueiredo, Felipe A. P.
de Souza, Rausley A. A.
author_facet Zayyani, Hadi
Salman, Mohammad
de Figueiredo, Felipe A. P.
de Souza, Rausley A. A.
contents This letter proposes superposing two Generalized Quadratic Noise Modulators (GQNM) by simply adding their outputs. It creates a 16-ary noise modulator that resembles QAM modulators in classical communication. It modulates the information bits on four different means and four different variances. It could also be applied to reach higher-order modulations than 16-ary schemes by adding the outputs of more than two modulators, which is not discussed in detail in this letter and left for future work. By selecting the parameters necessary for satisfying the theoretical distinguishability conditions provided in the paper, we can reach better performances in comparison to the Kirchhoff-Law Johnson Noise (KLJN) modulator and the GQNM modulator, which is verified by the simulations. The better result in terms of smaller Bit Error Probability (BEP) is achieved by increasing the complexity in the modulator, the transmitter, and the detectors in the receiver.
format Preprint
id arxiv_https___arxiv_org_abs_2510_01776
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Composite Generalized Quadratic Noise Modulation via Signal Addition: Towards Higher Dimensional Noise Modulations
Zayyani, Hadi
Salman, Mohammad
de Figueiredo, Felipe A. P.
de Souza, Rausley A. A.
Signal Processing
This letter proposes superposing two Generalized Quadratic Noise Modulators (GQNM) by simply adding their outputs. It creates a 16-ary noise modulator that resembles QAM modulators in classical communication. It modulates the information bits on four different means and four different variances. It could also be applied to reach higher-order modulations than 16-ary schemes by adding the outputs of more than two modulators, which is not discussed in detail in this letter and left for future work. By selecting the parameters necessary for satisfying the theoretical distinguishability conditions provided in the paper, we can reach better performances in comparison to the Kirchhoff-Law Johnson Noise (KLJN) modulator and the GQNM modulator, which is verified by the simulations. The better result in terms of smaller Bit Error Probability (BEP) is achieved by increasing the complexity in the modulator, the transmitter, and the detectors in the receiver.
title Composite Generalized Quadratic Noise Modulation via Signal Addition: Towards Higher Dimensional Noise Modulations
topic Signal Processing
url https://arxiv.org/abs/2510.01776