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Table 4 Simulation parameters

From: Cognitive radio frequency assignment with interference weighting and categorization

Parameter Value
Area under test 30 km × 30 km
Number of PUs (N PU) 15–40
Number of SUs (N SU) 10–50
Frequency band 2000 MHz
Channel bandwidth 3.5 MHz
Number of frequencies (M) 15–25
PU transmission range (dPU) 10 km
SU transmission range (dSU) 1–4 km
PU interference range 20 km
SU interference range 2–8 km
Modulation M-QAM M = [4, 16, 32, 64]
Maximal SU throughput (64 QAM) 16 Mbit/s