Fig. 6From: Demonstrability of Narrowband Internet of Things technology in advanced metering infrastructureThe RSRP of the devices in different propagation environment. The RSRP of 81 selected test points in our measurements. Legend: the RSRP of indoor (3rd, 4th, and 5th floor) test points (blue); the RSRP of indoor (1st and 2nd floor) test points (red); the RSRP of outdoor test points (green); the RSRP of deep indoor test points (basement) (purple)Back to article page