US 12,232,074 B2
Correcting for antennae spatial distortions in radio frequency (RF) localizations
David A. Maluf, Mountain View, CA (US); Huy Phuong Tran, Santa Clara, CA (US); Avinash Kalyanaraman, San Jose, CA (US); and Paul Anthony Polakos, Marlboro, NJ (US)
Assigned to Cisco Technology, Inc., San Jose, CA (US)
Filed by Cisco Technology, Inc., San Jose, CA (US)
Filed on May 3, 2022, as Appl. No. 17/735,694.
Prior Publication US 2023/0362875 A1, Nov. 9, 2023
Int. Cl. H04W 64/00 (2009.01); G01S 13/76 (2006.01)
CPC H04W 64/003 (2013.01) [G01S 13/76 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A method comprising:
receiving a plurality of actual locations associated with a plurality of radios;
receiving a plurality of signal strengths associated with the plurality of radios;
creating, based on the plurality of signal strengths, a model that models a plurality of inference errors respectively corresponding to the plurality of radios between a plurality of inferred locations respectively corresponding to the plurality of radios and the plurality of actual locations, wherein the model models the plurality of inference errors as a convolution of a partial individual error contribution by each of the plurality of radios; and
using the model in determining a location of a device.