OFDM-based JCAS under Attack: The Dual Threat of Spoofing and Jamming in WLAN Sensing

• URL: http://arxiv.org/abs/2501.06798v1
• Date: Sun, 12 Jan 2025 12:41:17 GMT
• Title: OFDM-based JCAS under Attack: The Dual Threat of Spoofing and Jamming in WLAN Sensing
• Authors: Hasan Can Yildirim, Musa Furkan Keskin, Henk Wymeersch, Francois Horlin,
• Abstract summary: This study reveals the vulnerabilities of Wireless Local Area Networks (WLAN) sensing, under the scope of joint communication and sensing (JCAS) We show how deceptive jammers can manipulate the range-Doppler map (RDM) by altering signal integrity. Our findings propose several jamming strategies that vary in complexity and detectability.
• Score: 16.63099126704722
• License:
• Abstract: This study reveals the vulnerabilities of Wireless Local Area Networks (WLAN) sensing, under the scope of joint communication and sensing (JCAS), focusing on target spoofing and deceptive jamming techniques. We use orthogonal frequency-division multiplexing (OFDM) to explore how adversaries can exploit WLAN's sensing capabilities to inject false targets and disrupt normal operations. Unlike traditional methods that require sophisticated digital radio-frequency memory hardware, we demonstrate that much simpler software-defined radios can effectively serve as deceptive jammers in WLAN settings. Through comprehensive modeling and practical experiments, we show how deceptive jammers can manipulate the range-Doppler map (RDM) by altering signal integrity, thereby posing significant security threats to OFDM-based JCAS systems. Our findings comprehensively evaluate jammer impact on RDMs and propose several jamming strategies that vary in complexity and detectability.

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