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Correction: Mittelbach et al. Sensing-Assisted Secure Communications over Correlated Rayleigh Fading Channels. <i>Entropy</i> 2025, <i>27</i>, 225.

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Sensing-Assisted Secure Communications over Correlated Rayleigh Fading Channels.

Martin Mittelbach¹, Rafael F Schaefer¹, Matthieu Bloch²

¹Chair of Information Theory and Machine Learning, Technische Universität Dresden, 01062 Dresden, Germany.

Entropy (Basel, Switzerland)

|March 28, 2025

Summary

This summary is machine-generated.

This study introduces secure integrated sensing and communication (ISAC) methods for state-dependent wiretap channels. Our approach enhances communication security and sensing accuracy, even without statistical advantages for legitimate receivers.

Keywords:

correlated fading for the feedbacked wiretap channel physical layer security secure 6G secure feedbacked systems secure integrated sensing and communications sensing-assisted secure communications

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Area of Science:

Information Theory
Wireless Communications
Signal Processing

Background:

Investigates secure integrated sensing and communication (ISAC) in a state-dependent wiretap channel.
Models the channel using two state-dependent fast-fading channels with correlated Rayleigh fading and additive Gaussian noise.
Incorporates delayed channel outputs for improved communication and channel state estimation.

Purpose of the Study:

To establish and illustrate an achievable secrecy-distortion region for degraded secure ISAC channels under correlated Rayleigh fading.
To analyze the sufficiency of signal-to-interference-plus-noise as a statistic.
To derive practical design insights by evaluating the inner bound for various parameters.

Main Methods:

Developed a theoretical framework to define the achievable secrecy-distortion region.
Analyzed channel models with correlated Rayleigh fading and state-dependent characteristics.
Evaluated inner bounds across a wide parameter range to identify performance limits and practical insights.

Main Results:

Demonstrated that signal-to-interference-plus-noise is not a sufficient statistic in this ISAC scenario.
Identified parameter ranges where the secrecy capacity of traditional wiretap channels is exceeded.
Showcased scenarios where the channel capacity can be approached, indicating high efficiency.

Conclusions:

Secure ISAC methods can eliminate the need for legitimate receivers to possess a statistical advantage over eavesdroppers.
Achieved communication security with a minimal rate penalty, enhancing practical applicability.
Validated the effectiveness of the proposed secure ISAC framework for correlated Rayleigh fading channels.