A Novel Subcarrier-Level Spectrum Sensing Method by Utilizing Fine-Grained Channel State Information in Wireless Networks

<div>Spectrum wasting under channel-based sensing methods: (a) narrow-wide band technologies coexisting scenarios and (b) wide-wide band technologies coexisting scenarios.</div>

Wireless Communications and Mobile Computing

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Figure 1

Figure 1: A Novel Subcarrier-Level Spectrum Sensing Method by Utilizing Fine-Grained Channel State Information in Wireless Networks 