A Design of Anti-jamming Method Based on Spectrum Sensing and GNSS Software Defined Radio

A Design of Anti-jamming Method Based on Spectrum Sensing and GNSS Software Defined Radio

This paper presents result of new approach for anti-jamming using a method based on cognitive radio. To detect and get center frequency and bandwidth of jamming, a spectrum sensing based on multi-channel energy detector is implemented on the SDR. The SDR and a universal software radio peripheral is...

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Main Authors: Park Kwi Woo, Lee Min Joon, Park Chansik
Format: Article
Language:English
Published: EDP Sciences 2019-01-01
Series:E3S Web of Conferences
Online Access:https://www.e3s-conferences.org/articles/e3sconf/pdf/2019/20/e3sconf_isgnss2018_03004.pdf
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spelling doaj-43880030fad14caebb6952a58ef586d52021-03-02T09:59:49ZengEDP SciencesE3S Web of Conferences2267-12422019-01-01940300410.1051/e3sconf/20199403004e3sconf_isgnss2018_03004A Design of Anti-jamming Method Based on Spectrum Sensing and GNSS Software Defined RadioPark Kwi Woo0Lee Min Joon1Park Chansik2Chungbuk National University, Dept. of Electronics Eng.Agency for Defense DevelopmentChungbuk National University, Dept. of Electronics Eng.This paper presents result of new approach for anti-jamming using a method based on cognitive radio. To detect and get center frequency and bandwidth of jamming, a spectrum sensing based on multi-channel energy detector is implemented on the SDR. The SDR and a universal software radio peripheral is used to support real-time channel reconfiguration. And detected center frequency and bandwidth is used to select LO frequency to avoid jamming and receive GNSS signal. Then the receiver is reconfigured by the selected LO frequency. To verify the feasibility of the proposed anti-jamming process, position, carrier to noise ratio of each channel are measured using a test scenario that is consist of GPS and Beidou with a CW jamming. As a results, by switching of LO frequency, GNSS signal that is not affected by jamming can be received with the same performance as non-jamming.https://www.e3s-conferences.org/articles/e3sconf/pdf/2019/20/e3sconf_isgnss2018_03004.pdf
collection DOAJ
language English
format Article
sources DOAJ
author Park Kwi Woo
Lee Min Joon
Park Chansik
spellingShingle Park Kwi Woo
Lee Min Joon
Park Chansik
A Design of Anti-jamming Method Based on Spectrum Sensing and GNSS Software Defined Radio
E3S Web of Conferences
author_facet Park Kwi Woo
Lee Min Joon
Park Chansik
author_sort Park Kwi Woo
title A Design of Anti-jamming Method Based on Spectrum Sensing and GNSS Software Defined Radio
title_short A Design of Anti-jamming Method Based on Spectrum Sensing and GNSS Software Defined Radio
title_full A Design of Anti-jamming Method Based on Spectrum Sensing and GNSS Software Defined Radio
title_fullStr A Design of Anti-jamming Method Based on Spectrum Sensing and GNSS Software Defined Radio
title_full_unstemmed A Design of Anti-jamming Method Based on Spectrum Sensing and GNSS Software Defined Radio
title_sort design of anti-jamming method based on spectrum sensing and gnss software defined radio
publisher EDP Sciences
series E3S Web of Conferences
issn 2267-1242
publishDate 2019-01-01
description This paper presents result of new approach for anti-jamming using a method based on cognitive radio. To detect and get center frequency and bandwidth of jamming, a spectrum sensing based on multi-channel energy detector is implemented on the SDR. The SDR and a universal software radio peripheral is used to support real-time channel reconfiguration. And detected center frequency and bandwidth is used to select LO frequency to avoid jamming and receive GNSS signal. Then the receiver is reconfigured by the selected LO frequency. To verify the feasibility of the proposed anti-jamming process, position, carrier to noise ratio of each channel are measured using a test scenario that is consist of GPS and Beidou with a CW jamming. As a results, by switching of LO frequency, GNSS signal that is not affected by jamming can be received with the same performance as non-jamming.
url https://www.e3s-conferences.org/articles/e3sconf/pdf/2019/20/e3sconf_isgnss2018_03004.pdf
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