Cargando…
Direction of Arrival Estimation of GPS Narrowband Jammers Using High-Resolution Techniques
GPS jamming is a considerable threat to applications that rely on GPS position, velocity, and time. Jamming detection is the first step in the mitigation process. The direction of arrival (DOA) estimation of jamming signals is affected by resolution. In the presence of multiple jamming sources whose...
Autores principales: | , , , , |
---|---|
Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2019
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6960665/ https://www.ncbi.nlm.nih.gov/pubmed/31847391 http://dx.doi.org/10.3390/s19245532 |
_version_ | 1783487825131339776 |
---|---|
author | Moussa, Mohamed Osman, Abdalla Tamazin, Mohamed Korenberg, Michael J. Noureldin, Aboelmagd |
author_facet | Moussa, Mohamed Osman, Abdalla Tamazin, Mohamed Korenberg, Michael J. Noureldin, Aboelmagd |
author_sort | Moussa, Mohamed |
collection | PubMed |
description | GPS jamming is a considerable threat to applications that rely on GPS position, velocity, and time. Jamming detection is the first step in the mitigation process. The direction of arrival (DOA) estimation of jamming signals is affected by resolution. In the presence of multiple jamming sources whose spatial separation is very narrow, an incorrect number of jammers can be detected. Consequently, mitigation will be affected. The ultimate objective of this research is to enhance GPS receivers’ anti-jamming abilities. This research proposes an enhancement to the anti-jamming detection ability of GPS receivers that are equipped with a uniform linear array (ULA) and uniform circular array (UCA). The proposed array processing method utilizes fast orthogonal search (FOS) to target the accurate detection of the DOA of both single and multiple in-band CW jammers. Its performance is compared to the classical method and MUSIC. GPS signals obtained from a Spirent GSS6700 simulator and CW jamming signals were used. The proposed method produces a threefold advantage, higher accuracy DOA estimates, amplitudes, and a correct number of jammers. Therefore, the anti-jamming process can be significantly improved by limiting the erroneous spatial attenuation of GPS signals arriving from an angle close to the jammer. |
format | Online Article Text |
id | pubmed-6960665 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2019 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-69606652020-01-23 Direction of Arrival Estimation of GPS Narrowband Jammers Using High-Resolution Techniques Moussa, Mohamed Osman, Abdalla Tamazin, Mohamed Korenberg, Michael J. Noureldin, Aboelmagd Sensors (Basel) Article GPS jamming is a considerable threat to applications that rely on GPS position, velocity, and time. Jamming detection is the first step in the mitigation process. The direction of arrival (DOA) estimation of jamming signals is affected by resolution. In the presence of multiple jamming sources whose spatial separation is very narrow, an incorrect number of jammers can be detected. Consequently, mitigation will be affected. The ultimate objective of this research is to enhance GPS receivers’ anti-jamming abilities. This research proposes an enhancement to the anti-jamming detection ability of GPS receivers that are equipped with a uniform linear array (ULA) and uniform circular array (UCA). The proposed array processing method utilizes fast orthogonal search (FOS) to target the accurate detection of the DOA of both single and multiple in-band CW jammers. Its performance is compared to the classical method and MUSIC. GPS signals obtained from a Spirent GSS6700 simulator and CW jamming signals were used. The proposed method produces a threefold advantage, higher accuracy DOA estimates, amplitudes, and a correct number of jammers. Therefore, the anti-jamming process can be significantly improved by limiting the erroneous spatial attenuation of GPS signals arriving from an angle close to the jammer. MDPI 2019-12-14 /pmc/articles/PMC6960665/ /pubmed/31847391 http://dx.doi.org/10.3390/s19245532 Text en © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Moussa, Mohamed Osman, Abdalla Tamazin, Mohamed Korenberg, Michael J. Noureldin, Aboelmagd Direction of Arrival Estimation of GPS Narrowband Jammers Using High-Resolution Techniques |
title | Direction of Arrival Estimation of GPS Narrowband Jammers Using High-Resolution Techniques |
title_full | Direction of Arrival Estimation of GPS Narrowband Jammers Using High-Resolution Techniques |
title_fullStr | Direction of Arrival Estimation of GPS Narrowband Jammers Using High-Resolution Techniques |
title_full_unstemmed | Direction of Arrival Estimation of GPS Narrowband Jammers Using High-Resolution Techniques |
title_short | Direction of Arrival Estimation of GPS Narrowband Jammers Using High-Resolution Techniques |
title_sort | direction of arrival estimation of gps narrowband jammers using high-resolution techniques |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6960665/ https://www.ncbi.nlm.nih.gov/pubmed/31847391 http://dx.doi.org/10.3390/s19245532 |
work_keys_str_mv | AT moussamohamed directionofarrivalestimationofgpsnarrowbandjammersusinghighresolutiontechniques AT osmanabdalla directionofarrivalestimationofgpsnarrowbandjammersusinghighresolutiontechniques AT tamazinmohamed directionofarrivalestimationofgpsnarrowbandjammersusinghighresolutiontechniques AT korenbergmichaelj directionofarrivalestimationofgpsnarrowbandjammersusinghighresolutiontechniques AT noureldinaboelmagd directionofarrivalestimationofgpsnarrowbandjammersusinghighresolutiontechniques |