Abstract
Modulated Wideband Converter (MWC) provides a sub-Nyquist sampling approach for wideband spectrum sensing. In previous studies, reconstruction algorithm, OMP (Orthogonal Matching Pursuit) is used in the CTF (continuous-to-finite) block of MWC for frequency support recovery. However, the percentage of correct support recovery is low at low SNR (Signal Noise Ratio) using OMP algorithm. In this paper, the reconstruction algorithm of CoSaMP (Compressive Sampling Matching Pursuit) is investigated to be used in the CTF block instead of OMP. Simulation results demonstrate that such a proposal can achieve higher percentage of correct support recovery than with OMP algorithm.
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Acknowledgments
This paper was supported by the National Natural Science Foundation of China (Grant No. 61561017 and Grant No. 61261024), National Science & Technology Pillar Program (Grant No. 2014BAD10B04), and Hainan Province Major Science & Technology Project (Grant No. ZDKJ2016015).
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© 2018 ICST Institute for Computer Sciences, Social Informatics and Telecommunications Engineering
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Tong, M., Bai, Y. (2018). Spectrum Sensing Based on Modulated Wideband Converter with CoSaMP Reconstruction Algorithm. In: Huang, M., Zhang, Y., Jing, W., Mehmood, A. (eds) Wireless Internet. WICON 2016. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 214. Springer, Cham. https://doi.org/10.1007/978-3-319-72998-5_15
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DOI: https://doi.org/10.1007/978-3-319-72998-5_15
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