Interference detection, characterization and location in a wireless communications or broadcast system

摘要

A Wide Area Sensor Network (WASN) is disclosed that utilizes wideband software defined radios (SDRs) to monitor RF energy over a wide frequency range, detect when critical frequencies are being jammed or otherwise interfered with, and locate the source of the interference so that the interference can be eliminated. The WASN may use one or more geolocation techniques In addition, the WASN may detect and locate unauthorized transmitters as well as estimate the transmitted power of authorized transmitters to assure they are not transmitting more power than authorized.

主权项

1. A method for detecting, classifying and locating radio frequency (RF) emitters in a wide area wireless communications network comprising a plurality of software defined radios, comprising:
detecting a presence of an interfering RF signal; characterizing a received power of said interfering RF signal; determining a bandwidth of said interfering RF signal; locating the source of said interfering RF signal; and synchronizing time and frequency between said software defined radios.