SO
S. Ostyk-Narbutt
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Radar-Inspired Defenses for Wi-Fi Sensing Privacy
A Survey of Radar Defenses and Their Applicability to Wi-Fi Sensing
Wi-Fi sensing poses a serious threat to privacy due to its passive and covert nature. Nonetheless, the field of defenses is largely underdeveloped. This survey draws from the vast field of radar systems and their state-of-the-art countermeasures to discover potentially new Wi-Fi sensing defenses. The study identifies four particularly promising approaches: false target generation for deceptive jamming, reconfigurable intelligent surfaces (RIS) for dynamic signal manipulation using metasurfaces, encrypted waveform design for secure transmission, and hybrid region-based techniques for spatial access control. By transferring insights from radar systems to the context of Wi-Fi sensing, this work lays the groundwork for the future development of practical and resilient privacy-preserving defenses.
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Wi-Fi sensing poses a serious threat to privacy due to its passive and covert nature. Nonetheless, the field of defenses is largely underdeveloped. This survey draws from the vast field of radar systems and their state-of-the-art countermeasures to discover potentially new Wi-Fi sensing defenses. The study identifies four particularly promising approaches: false target generation for deceptive jamming, reconfigurable intelligent surfaces (RIS) for dynamic signal manipulation using metasurfaces, encrypted waveform design for secure transmission, and hybrid region-based techniques for spatial access control. By transferring insights from radar systems to the context of Wi-Fi sensing, this work lays the groundwork for the future development of practical and resilient privacy-preserving defenses.