| CPC H04W 12/33 (2021.01) [H04W 12/08 (2013.01); H04W 12/63 (2021.01)] | 17 Claims |
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1. An electronic apparatus comprising:
a communication interface comprising communication circuitry; and
a processor configured to:
identify strength of a signal received from an external device through the communication interface, and
based on the strength of the signal being greater than or equal to a threshold value, unlock authorization restriction on the electronic apparatus, wherein the processor is further configured to:
based on the strength of the signal being less than the threshold value, maintain the authorization restriction, and
based on authentication of the electronic apparatus being completed after the signal is received, identify the strength of at least one signal received for a threshold time before the signal is received, and adjust the threshold value based on a distribution of the strength of the at least one signal.
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