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Table 1 Optimal values of normalized global threshold for varying values of normalized local threshold

From: Threshold optimization of a finite sample-based cognitive radio network using energy detector

Sample no.

SNR (dB)

Total prob. of error

Normalized local threshold

Normalized global threshold

   

λ n

λ 0 n

1

-10

0.4630

0.0

4.4

2

-10

0.4672

1.0

4.4

3

-10

0.4778

2.0

4.4

4

-10

0.4901

3.0

4.4

5

-10

0.4967

4.0

4.4

6

0

0.2493

0.0

5.6

7

0

0.2647

1.0

5.6

8

0

0.3057

2.0

5.6

9

0

0.3642

3.0

5.6

10

0

0.4218

4.0

5.6

11

10

0.0118

0.0

10.4

12

10

0.1462

1.0

10.4

13

10

0.2286

2.0

10.4

14

10

0.0359

3.0

10.4

15

10

0.0534

4.0

10.4