On the Coverage Extension and Capacity Enhancement of Inband Relay Deployments in LTE-Advanced Networks

Table 1

Propagation Models.

Channel Models
Distance	𝑅 [km]
Scenario 1 (Sc1)
	eNB-UE Link
	PL = 128.1 + 37.6 log10(R)
	RN-UE Link
	PL = 140.7 + 36.7 log10(𝑅)
	eNB–RN Link
	PL = 124.5 + 37.6 log10(𝑅)
Scenario 2 (Sc2)
	eNB-UE Link
	PL = 128.1 + 37.6 log10(R)
	RN-UE Link
	PL = Prob(LOS) PL(LOS) + [1−Prob(LOS)] PL(NLOS)
	PL(LOS): 103.8 + 20.9 log10(R), PL(NLOS): 145.4 + 37.5 log10(R)
	ISD 500 m-Urban Model
	Prob(LOS) = 0.5 – min(0.5, 5 exp(−0.156/R))
	+ min(0.5, 5 exp(−R/0.03))
	ISD 1732 m-Rural Model
	Prob(LOS) = 0.5 – min(0.5, 3 exp(−0.3/R))
	+ min(0.5, 3 exp(−R/0.095))
	eNB-RN Link
	PL = 124.5 + 37.6 log10(R)
Scenario 3 (Sc3)
	eNB-UE Link
	PL(LOS): 103.4 + 24.2 log10(R), PL(NLOS): 131.1 + 42.8 log10(R)
	ISD 500 m-Urban Model
	Prob(LOS) = min(0.018/R, 1)(1− exp(−R/0.063))
	+ exp(−R/0.063)
	ISD 1732 m-Suburban Model
	Prob (LOS) = exp(−(R − 0.01)/0.2)
	RN-UE Link
	PL(LOS): 103.8 + 20.9 log10(R), PL(NLOS): 145.4 + 37.5 log10(R)
	ISD 500 m-Urban Model
	Prob(LOS) = 0.5 − min(0.5, 5 exp(−0.156/R))
	+ min(0.5, 5 exp(−R/0.03))
	ISD 1732 m-Suburban Model
	Prob(LOS) = 0.5 − min(0.5, 3 exp(−0.3/R))
	+ min(0.5, 3 exp(−R/0.095))
	eNB-RN Link
	PL(LOS): 100.7 + 23.5 log10(R), PL(NLOS): 125.2 + 36.3 log10(R)
	ISD 500 m-Urban Model
	Prob(LOS) = min(0.018/R, 1)(1− exp(−R / 0.072))
	+ exp(−R/0.072)
	ISD 1732 m-Suburban Model
	Prob(LOS) = exp(−(R − 0.01)/0.23)