Interference detection and localization within the GNSS Environmental Monitoring System (GEMS) - System update and latest field test results

Ediz Cetin, Ryan J. R. Thompson, Matthew Trinkle, Andrew G. Dempster

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contributionpeer-review

9 Citations (Scopus)

Abstract

Modern infrastructure increasingly relies on the positioning and timing capabilities provided by the Global Navigation Satellite Systems (GNSS) in particular GPS, making GNSS itself a critical infrastructure. Given their low received signal power levels, GNSS signals are vulnerable to unintentional and intentional interference, hence the detection, localization and elimination of interference to GNSS is of paramount importance. The GNSS Environmental Monitoring System (GEMS) II provides the capability to detect and localize interferers in real time in a given area. The system consists of a number of spatially distributed sensor nodes incorporating antenna arrays connected to a central processing unit. Interference is localized using hybrid Angle-of-Arrival (AOA) and Time-Difference-of-Arrival (TDOA) techniques. In this paper we provide a system update and report on the latest field test trials, detailing and evaluating the performance of the GEMS II system in detecting and localizing different types and powers of interferers in real time.

Original languageEnglish
Title of host publication27th International Technical Meeting of the Satellite Division of the Institute of Navigation
Subtitle of host publication(ION GNSS 2014)
Place of PublicationRed Hook, NY
PublisherInstitute of Navigation
Pages3449-3460
Number of pages12
Volume4
ISBN (Electronic)9781634399913
Publication statusPublished - 2014
Externally publishedYes
Event27th International Technical Meeting of the Satellite Division of the Institute of Navigation, ION GNSS 2014 - Tampa, United States
Duration: 8 Sep 201412 Sep 2014

Other

Other27th International Technical Meeting of the Satellite Division of the Institute of Navigation, ION GNSS 2014
CountryUnited States
CityTampa
Period8/09/1412/09/14

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