Transmitter Actions for Secure Integrated Sensing and Communication

• URL: http://arxiv.org/abs/2408.13635v1
• Date: Sat, 24 Aug 2024 17:37:23 GMT
• Title: Transmitter Actions for Secure Integrated Sensing and Communication
• Authors: Truman Welling, Onur Günlü, Aylin Yener,
• Abstract summary: This work models a secure integrated sensing and communication (ISAC) system as a wiretap channel with action-dependent channel states and channel output feedback. The transmitted message is split into a common and a secure message, both of which must be reliably recovered at the legitimate receiver. The secure message needs to be kept secret from the eavesdropper.
• Score: 23.322477552758237
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: This work models a secure integrated sensing and communication (ISAC) system as a wiretap channel with action-dependent channel states and channel output feedback, e.g., obtained through reflections. The transmitted message is split into a common and a secure message, both of which must be reliably recovered at the legitimate receiver, while the secure message needs to be kept secret from the eavesdropper. The transmitter actions, such as beamforming vector design, affect the corresponding state at each channel use. The action sequence is modeled to depend on both the transmitted message and channel output feedback. For perfect channel output feedback, the secrecy-distortion regions are provided for physically-degraded and reversely-physically-degraded secure ISAC channels with transmitter actions. The corresponding rate regions when the entire message should be kept secret are also provided. The results are illustrated through characterizing the secrecy-distortion region of a binary example.

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