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EURASIP Journal on Advances in Signal Processing

Table 2 Spectrum occupancy: the ISM band

From: Removing non-stationary noise in spectrum sensing using matrix factorization

 

Energy detection (ITU-based)

AGC removal (step 1)

AGC removal (step 2)

2400–2483.5 MHz

34.92%

32.77%

21.85%

Channel 1

37.36%

35.02%

24.53%

Channel 6

37.45%

35.00%

23.79%

Channel 11

37.13%

35.17%

24.46%

  1. The occupancy results for the 2.4 GHz ISM band. The results show that the occupancy based on the energy detection (ITU recommended threshold) method provides an overestimation of the spectrum usage.
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