Table 2 Comparison of the proposed scheme with existing improved local sensing techniques
From: Improved local spectrum sensing for cognitive radio networks
Spectrum sensing scheme | Average SNR (dB) | P f | P d |
|---|---|---|---|
Proposed FLD scheme | −15 | 0.0001 | 0.50 |
−10 | 0.0001 | 0.97 | |
PU detection in a multiple antenna CR [9] | 0 | 0.01 | 0.45 |
15 | 0.01 | 1 | |
A two-stage sensing technique for dynamic spectrum access [12] | 6 | 0.1 | 0.99 |
Two-stage spectrum sensing for CRs [13] | −10 | 0.1 | 0.99 |
Combined energy detection and one-order cyclostationary detection [14] | 10 | 0.1 | 0.94 |
Energy detector with bi-thresholds [15] | 10 | 0.1 | 0.85 |
Improved energy detector [16] | 0 | 0.1 | 0.62 |
10 | 0.1 | 0.99 | |
Advanced sensing techniques of energy detection [17] | −5 | 0.1 | 0.72 |
−5 | 0.6 | 0.95 |