Table 5: Compare with the proposed model and the measurement results.

Distance (m)Measurement AreaMeasurement [dB]Free Space Loss modelCOST 231 modelProposed model 1Proposed model 2
Time RateTime Rate
1% 50%

200Indoor(A)73.4870.9871.2875.4874.7474.92
below
400(B)91.8086.2280.9188.0087.2786.98
below

200Outdoor(C)77.0074.0072.7977.4476.3276.44
below