Patent ID: 9551774
Date: 2017-01-24
CPC Classifications: G01S,H04M,H04W

Claim:
1. A method to be executed by a user terminal for controlling one or more wireless devices that are located within an area in which the one or more wireless devices can wirelessly communicate with the user terminal, each of the one or more wireless devices periodically transmitting a beacon signal, the method comprising: detecting a number of the one or more wireless devices that are located within the area based on the beacon signals; determining a transmission period for transmitting subsequent beacon signals based on a correspondence between the number of the one or more wireless devices to one of a plurality of transmission periods defined in a transmission period data structure; instructing the one or more wireless devices that are located within the area to transmit the subsequent beacon signals in accordance with the determined transmission period; estimating locations of the one or more wireless devices based on the beacon signals; and list-displaying the estimated locations of the one or more wireless devices to a user.