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J. Andrew Zhang

3 papers indexed

arxiveess.SP2026-07-22

Ambiguity-Resolved Micro-Doppler Construction for Asynchronous Bistatic Sensing

Yiyi Xu, Zhongqin Wang, Kai Wu, J. Andrew Zhang

Integrated sensing and communications (ISAC) can turn wireless networks into pervasive sensing platforms, but bistatic deployments are impaired by transceiver clock asynchrony, which induces random phase fluctuations in channel state information (CSI). CSI-ratio sanitization intr…

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arxivcs.LGeess.SP2026-07-09

Federated Low-Rank Koopman Learning for Multivariate Time-Series Anomaly Detection in IoT Systems

Tung-Anh Nguyen, Van-Phuc Bui, Anh Tuyen Le, Kim Hue Ta, Minh Thuy Le, J. Andrew Zhang, et al.

Distributed IoT systems generate multivariate time-series streams for monitoring physical assets, servers, and embedded sensing platforms. Detecting abnormal temporal behavior is critical for fault diagnosis, predictive maintenance, and security. However, practical IoT anomaly de…

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