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Author

Lu-Ping Xiang

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Preprint Sep 2026

Shaping Delay-Doppler Ambiguity in Practical OFDM-ISAC

Orthogonal frequency-division multiplexing (OFDM) is a key waveform for integrated sensing and communication (ISAC). Existing OFDM ambiguity analyses, however, typically assume fully occupied data-only waveforms, whereas practical frames contain direct-current and edge-guard nulls, fixed pilots, and random payload symb...

Cheng Luo, Lu-Ping Xiang, Kun Yang · 0 citations
Preprint Sep 2026

When Do Pilots Matter for OFDM Sensing? Pilot-Data Resource Design for ISAC

Practical OFDM-based integrated sensing and communication (ISAC) signals contain deterministic pilots and random data payloads, yet how these two types of resources jointly affect matched-filter sensing performance remains insufficiently understood. This paper establishes an analytical and optimization framework for pi...

Sheng-Cai Zhou, Lu-Ping Xiang, Yi Wang et al. · 0 citations

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