Table 3.

Simulation parameters.

Parameter	Value/Setting
Cell layout	7 BSs, 1 RN connected to central BS
System bandwidth	5 MHz
Adjacent BS distance	500 m
Max IoT device power	23 dBm
Path loss	$128.1+37.6{\log }_{10}\left(R\right)$
Slow Fading	Log-normal shadowing, mean 0 dB, standard deviation 10 dB, correlation 1
Fast Fading	Jakes’ model
Noise per resource block	−120.447 dBm
Noise floor	9 dB
Power Control	Fractional, $\alpha$ = 0.6, $P_0$ = −58 dBm
Timer expiry $T_{max}$	9 ms
IoT message size	Constant (29) bytes including upper layers overhead
Message inter-transmission time	1 s (exponential)