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This work was supported by National Natural Science Foundation of China (Grant Nos. 61771263, 61371112), and Nantong University- Nantong Joint Research Center for Intelligent Information Technology (Grant No. KFKT2016B02).
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Zhang, S., Hu, Y., Zhang, L. et al. Novel spectrum sensing and access in cognitive radio networks. Sci. China Inf. Sci. 61, 089302 (2018). https://doi.org/10.1007/s11432-017-9282-2