Patent ID: 9534904
Date: 2017-01-03
CPC Classifications: G01C,H04W

Claim:
1. A navigation method for indoor escaping being executed by at least one processor of an electronic device, the method comprising: connecting the electronic device with at least three message transmitters fixed in a building around the electronic device; receiving messages from each message transmitter, the messages comprising location information of each message transmitter and a floor plan of the building; determining a current position of the electronic device according to the location information of each message transmitter and signal strength of each connection between the electronic device and each message transmitter, when receiving a fire alarm and a position of the fire; calculating an optimal escape route according to the floor plan of the building, the position of the electronic device, and the position of the fire; comparing the current position of the electronic device with the optimal escape route; prompting a next step in a default manner when the current position of the electronic device does not deviate from the optimal escape route; and prompting a right direction in a default manner when the current position of the electronic device deviates from the optimal escape route.