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Table 4 The total energy in each subband with the three CWSS methods and the values of EDPER, when there are two active bands and the sub-sampling ratio is 0.30

From: Enhanced compressive wideband frequency spectrum sensing for dynamic spectrum access

 

1

2

3

4

5

6

7

8

9

Real PSD

0.0000

0.0000

0.0000

0.7918

0.0000

0.0000

0.0000

0.6107

0.0000

BPDN-CWSS

0.1710

0.0736

0.1733

0.5836

0.2742

0.1907

0.2341

0.6021

0.2565

VLBS-CWSS

0.0000

0.0000

0.0000

0.7768

0.2151

0.0000

0.0000

0.5907

0.0000

EVLBS-CWSS

0.0000

0.0000

0.0000

0.7697

0.0012

0.0000

0.0000

0.6387

0.0000

R1

100%

100%

100%

33.10%

21.55%

100%

100%

−1.89%

100%

R2

100%

100%

100%

19.60%

74.93%

100%

100%

6.08%

100%