Patent ID: 9674812
Date: 2017-06-06
CPC Classifications: B65B,B65D,G01C,G01S,G05D,G06K,G06Q,G08B,G16H,H04B,H04H,H04L,H04W,Y02D

Claim:
1. An improved method for locating a particular one of a plurality of nodes in a wireless node network having a server, the method comprising: instructing a first other of the nodes and a second other of the nodes to detect any message broadcast from the particular one node over a time period; receiving, by the server, a first indication from the first other node, the first indication related to a characteristic of all messages broadcast from the particular one node that are detected by the first other node during the time period; receiving, by the server, a second indication from the second other node, the second indication related to the characteristic of all messages broadcast from the particular one node that are detected by the second other node during the time period; determining a location of the particular one node based upon a difference in the first indication and the second indication; and receiving, by the server, at least one of a first updated location from the first other node and a second updated location received from the second other node; and refining the location of the particular one node based upon at least one of the received first updated location received from the first other node and the received second updated location received from the second other node.