Table 2 Partial RSSI interpolation data.

From: Research on indoor positioning method based on LoRa-improved fingerprint localization algorithm

Coordinate

RSSI-1

RSSI-2

RSSI-3

RSSI-4

(4.5,1.75)

− 67

− 91

− 111

− 126

(13.5,1.25)

− 68

− 78

− 96

− 105

(64.5,1.75)

− 99

− 101

− 88

− 55

(34.5,0.75)

− 74

− 63

− 73

− 83

(25.5,0.25)

− 72

− 64

− 92

− 103