Table 2 Performance of existing improved spectrum sensing schemes
From: I3S: Intelligent spectrum sensing scheme for cognitive radio networks
Spectrum sensing scheme | SNR(dB) | P f | P d |
|---|---|---|---|
FLD scheme[5] | −10 | 0.0001 | 0.97 |
DFT filter bank-based two-stagespectrum sensing[6] | 12 | 0.1 | 0.85 |
SNR-based adaptive spectrumsensing[7] | −10 | 0.1 | 0.75 |
High-speed two-stage detector[8] | −16 | 0.1 | 0.9 |
Two-stage spectrum sensing forCRs[9] | −10 | 0.1 | 0.99 |
Fast two-stage spectrum detectorfor CRs[10] | −11 | 0.1 | 0.93 |
Combined energy detector andone order cyclostationary detector[11] | 10 | 0.1 | 0.94 |
A two-stage spectrum sensingtechnique for dynamic spectrum[12] | 6 | 0.1 | 0.99 |