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- W4313124570 abstract "Spectrum sharing between radar and communication systems has attracted substantial recent research attention. In order to avoid the mutual interference, source separation of the aliasing signal is a promising solution for joint communication and radar (JCR) sensing. However, most of the existing source separation methods are very sensitive to wide-band signals with rapidly varying instantaneous amplitude (IA) and not applicable to scenarios with complex overlapping subsignals. To overcome the above limitations, a data-driven sparsity-based source separation method is proposed. Without depending on signal parameters, a sparse signal observation model of the received signal is established. Then, source separation is transformed into estimation of the IA and instantaneous frequency (IF), and an iterative method is developed. Moreover, the Cramér-Rao lower bound (CRLB) of the source separation error (SSE) variance is derived based on the CRLB of IA and IF. Simulation results demonstrate that our proposed method is superior to the benchmark schemes and is robust to noise and initial IF errors." @default.
- W4313124570 created "2023-01-06" @default.
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- W4313124570 date "2023-02-01" @default.
- W4313124570 modified "2023-10-15" @default.
- W4313124570 title "Data-Driven Sparsity-Based Source Separation of the Aliasing Signal for Joint Communication and Radar Systems" @default.
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- W4313124570 doi "https://doi.org/10.1109/tvt.2022.3212408" @default.
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