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Table 1 Summary of signal variability (complete distribution)

From: Enhancing RFID indoor localization with cellular technologies

Tech. \( {\mu}_{\Pr \mathrm{x}}^{\mathrm{complete}} \) (dBm) \( {\sigma}_{\Pr \mathrm{x}}^{\mathrm{complete}} \) (dB) \( {N}_{\mathrm{IDSrx}}^{\mathrm{complete}} \) (number)
RFID −58.2 7.3 30
UMTS −97.1 4.1 7
GSM −75.1 7.5 4