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Integrating Sensing and Communications in 6G? Not Until It Is Secure to Do So
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Integrating Sensing and Communications in 6G? Not Until It Is Secure to Do So
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Integrated Sensing and Communication (ISAC) is emerging as a cornerstone technology for forthcoming 6G systems, significantly improving spectrum and energy efficiency. However, the commercial viability of ISAC hinges on addressing critical challenges surrounding security, privacy, and trustworthiness. These challenges necessitate an end-to-end framework to safeguards both communication data and sensing information, particularly in ultra-low-latency and highly connected environments. Conventional solutions, such as encryption and key management, often fall short when confronted with ISAC's dual-functional nature. In this context, the physical layer plays a pivotal role: this article reviews emerging physical-layer strategies, including artificial noise (AN) injection, cooperative jamming, and constructive interference (CI), which enhance security by mitigating eavesdropping risks and safeguarding both communication data and sensing information. We further highlight the unique privacy issues that ISAC introduces to cellular networks and outline future research directions aimed at ensuring robust security and privacy for efficient ISAC deployment in 6G.
Forward citations
Cited by 7 Pith papers
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Sensing-Assisted Secure Communication in MA-Aided ISAC: CRB Analysis and Robust Design
A two-stage MA-aided ISAC scheme senses eavesdropper AoDs via CRB-optimized positions then applies robust beamforming and MA repositioning to maximize secrecy rate under angle uncertainty.
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Unconsented Sensing: A Sociotechnical Governance Framework for 6G ISAC
This position paper claims that 6G ISAC trustworthiness requires mandatory regulatory and sociotechnical compliance via purpose-bound sensing, citizen transparency, and algorithmic accountability to avoid conflicts wi...
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Multi-Domain Security for 6G ISAC: Challenges and Opportunities in Transportation
The paper outlines ISAC-induced security challenges in three domains for 6G transportation and proposes an integrated multi-domain security framework leveraging ISAC measurements.
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Integrating Sensing into Covert Communications: Opportunities and Challenges
Sensing can shift covert communications from passive concealment to state-aware designs but introduces exposure and resource challenges, illustrated via a low-altitude network case study.
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ISAC Privacy: Challenges and Solutions for 6G
This review organizes ISAC privacy challenges in 6G into location/environment, behavioral, and physiological sensing levels and outlines solution directions.
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Secure Integrated Sensing and Communication: Information Theory Offers Insights
A survey organizing information-theoretic literature on secure ISAC by protected functionality and adversary models, covering formulations, metrics, and fundamental limits on tradeoffs among communication, sensing, an...
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The Role of ISAC in 6G Networks: Enabling Next-Generation Wireless Systems
The tutorial reviews the evolution, core principles, enabling technologies, challenges, and future directions of integrated sensing and communication (ISAC) in 6G networks.
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