Reliable Lifespan Evaluation of a Remote Environment Monitoring System Based on Wireless Sensor Networks and Global System for Mobile Communications

Table 4

Package Error Ratio.

Indoor nodes	Rate (%)	Outdoor nodes	Rate (%)
LOS (end device)	0.97	LOS (end device)	0.98
LOS (router)	1	LOS (router)	1
NLOS (end device)	2.36	NLOS (end device)	1.3
NLOS (router)	2.6	NLOS (router)	1.4