Patent ID: 9374672
Filing Date: 2016-06-21
CPC Classification: G06Q,H04L,H04W

Claim Text:
1. A method for determining an unauthorized device, the method comprising: receiving, by one of more computer processors, detection information from a computing device, wherein the detection information includes a broadcast transmission from one or more devices that are beacons associated with an indoor positioning system; creating, by one or more computer processors, a state trajectory map based on the received detection information, wherein the state trajectory map identifies connections between at least the computing device and a first device of the one or more devices and the computing device and a second device of the one or more devices; retrieving, by one or more computer processors, a baseline state trajectory map from memory wherein the baseline state trajectory map is based on a location of identified devices and a physical layout of a building within the indoor positioning system; performing, by one or more computer processors, a comparison of the created state trajectory map to the baseline state trajectory map; determining, by one or more computer processors, whether at least one state anomaly is present within the created state trajectory map based on the comparison, wherein the at least one state anomaly includes one or more of: a single state anomaly and a multiple state anomaly; identifying, by one or more computer processors, a connection within the created state trajectory map associated with the determined at least one state anomaly; adding, by one or more computer processors, the identified connection associated with the determined state anomaly to a suspicious state list; responsive to determining at least one state anomaly is present within the created state trajectory map based on the comparison, parsing, by one or more computer processors, the created state trajectory map into one or more sub-trajectories that identify individual connections within the created state trajectory map; identifying, by one or more computer processors, the parsed one or more sub-trajectories that do not include the at least one determined state anomaly; determining, by one or more computer processors, whether the identified one or more sub-trajectories that do not include the at least one determined state anomaly include a transitional anomaly; adding, by one or more computer processors, a sub-trajectory associated with the transitional anomaly to the suspicious state list; analyzing, by one or more computer processors, the suspicious state list for one or more of the following: high frequency of occurrence of a universally unique identifier, and multiple connections with multiple state changes associated with a universally unique identifier; determining, by one or more computer processor, an unauthorized device based on the analyzed suspicious state list; and reporting, by one or more computer processors, the determined unauthorized device.