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http://dx.doi.org/10.11003/JPNT.2021.10.4.353

Monitoring of the Jamming Environment in the GNSS L5 Band in Korea Region  

Lee, Hak-beom (Autonomous Navigation Lab, Inha University)
Song, Young-Jin (Autonomous Navigation Lab, Inha University)
Park, Dong-Hyuk (Autonomous Navigation Lab, Inha University)
Lee, Sanguk (KPS Satellite Navigation Research Center, Electronics and Telecommunications Research Institute)
Won, Jong-Hoon (Department of Electrical Engineering, Inha University)
Publication Information
Journal of Positioning, Navigation, and Timing / v.10, no.4, 2021 , pp. 353-361 More about this Journal
Abstract
This paper presents the jamming effect on the L5 band of Global Navigation Satellite System (GNSS) by analyzing real data collected via measurement campaigns in Korea region. In fact, the L5 band is one of the dedicated bands for various satellite navigation systems such as Global Positioning System (GPS), Galileo, BeiDou (BDS), and Quasi Zenith Satellite System (QZSS). And this band is also allocated along with various systems used for aeronautical radio navigation systems (ARNS). Among ARNS, the Distance Measuring Equipment (DME) and the Tactical Air Navigation System (TACAN) are systems that transmit and receive strong power pulse signals, which may cause unintentional jamming in the reception of GNSS signals. In this paper, signals in the main lobe of GPS L5, Galileo E5a, BDS B2a, and QZSS L5 are collected in Korean region to confirm whether the jamming effect exists in the band. And then, the pulse blanking technique, which is a simple signal processing technique capable of responding to pulsed jamming, is applied to analyze the jamming effect of DME/TACAN on the L5 band.
Keywords
GNSS; L5; DME/TACAN; jamming;
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