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. 2020 Apr 20;20(8):2336. doi: 10.3390/s20082336

Table 2.

Signal quality measurements for different transmission and scanning interval configurations. RSSI: received signal strength indicator.

Detection Frequency [Scanning Interval, Idle Time]
Transmission Interval Signal Quality High [500 ms, 100 ms] Medium Frequency [1000 ms, 500 ms] Low Frequency [2000 ms, 1500 ms]
100 ms RSSI Average −85.96 dB −79.45 dB −82.33 dB
Standard Deviation 2.53 2.75 2.27
RSSI Signal Fluctuation 1 13 11 10
250 ms RSSI Average −84.78 dB −76.23 dB −78.55 dB
Standard Deviation 2.67 1.22 2.85
RSSI Signal Fluctuation 1 11 4 12
350 ms RSSI Average −81.91 dB −81.47 dB −80.89 dB
Standard Deviation 4.65 2.8 2.13
RSSI Signal Fluctuation 1 19 11 8
450 ms RSSI Average −85.59 dB −77.73 dB −80.55 dB
Standard Deviation 5.47 1.84 1.09
RSSI Signal Fluctuation 1 21 9 3

1 RSSI signal fluctuation is the difference between the maximum and minimum RSSI value.