Table 8 Mean deviations δ_mean and standard deviations σ of the different predictions and measurements for the wireless testbed

${\text{PL}}_{\text{pred}}^{\text{2}\text{.5}\text{m}}$ - PL_SA

PL_testbed - PL_SA

PL_testbed - ${\text{PL}}_{\text{pred}}^{\text{2}\text{.5}\text{m}}$