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Author

Xian-Xiang Yu

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2026

Robust NLoS Sensing for RIS-Assisted FMCW Radar With Discrete Phase Constraints and Imperfect CSI

This article investigates robust sensing for reconfigurable intelligent surface (RIS)-assisted frequency-modulated continuous-wave (FMCW) radar operating under nonline-of-sight (NLoS) conditions. Practical performance is fundamentally constrained by finite-resolution RIS phase quantization and imperfect cascaded channe...

Tuan-Wei Tian, Ji-Xuan Wang, Xing-Wang Li et al. · 0 citations
2026

Waveform-Encrypted LPI Radar Framework: Joint Sequence Design, Robust Decryption, and Analysis

In the presence of sophisticated electronic reconnaissance, low probability of intercept (LPI) property is a key enabler for improving radar survivability. Many existing LPI waveform designs improve intercept resistance by suppressing signal features in specific domains or by countering particular reconnaissance functi...

Pei-Jie Zhu, Tao Fan, Xian-Xiang Yu et al. · 0 citations
2026

Combating Compound Interference in Radar-Communication Spectral Overlap: A Cognitive Framework via Multi-Null Spectral Masks

In spectrum-congested environments, radar systems may simultaneously suffer from interrupted sampling repeater jamming (ISRJ) generated by digital radio frequency memory techniques and spectrally overlapping communication interference. To address this compound-interference problem, this paper proposes a joint transmit–...

Hui Qiu, Xian-Xiang Yu, Tao Fan et al. · 0 citations

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