Patent ID: 9557401
Date: 2017-01-31
CPC Classifications: G01S

Claim:
1. A computer program product comprising at least one non-transitory computer-readable storage medium having computer-executable program code instructions stored therein, the computer-executable program code instructions comprising program code instructions to: process one or more signals from one or more transmitters, the one or more signals captured at one or more devices to determine one or more frequencies of the one or more signals; determine transmitter location information of the one or more transmitters from a database; determine respective associations of the one or more signals and the one or more frequencies with the respective one or more transmitters; filter the one or more signals based on the one or more associated frequencies to generate one or more output signals; and determine device location information of the one or more devices based, at least in part, on the one or more frequencies, the transmitter location information, the respective associations of the one or more signals with the respective one or more transmitters, and the one or more output signals.