2019-02-262019-02-262017-03-14http://hdl.handle.net/10919/87800A method for estimating the location of a wireless terminal is disclosed that is based on using: the known location of one or more devices, empirical data that indicates the relative position of the wireless terminal to the devices, and empirical data that indicates the relative position of the wireless terminal (which is at an unknown location) relative to other wireless terminals that are also at unknown locations.application/pdfenPatenthttp://pimg-fpiw.uspto.gov/fdd/71/965/095/0.pdf14572070G01S5/0252H04B17/318H04W4/025H04W4/90H04W64/0039596571