Reducing Interference Effect on GPS Navigation System Using Evolutionary Notch Filter

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ABBASI M.; MOSAVI M.R.

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Journal Paper

Paper Information

Journal: JOURNAL OF ELECTRONIC AND CYBER DEFENCE Year:2021 | Volume:8 | Issue:4 (32) Page(s): 95-106

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Information Journal Paper

Title

Reducing Interference Effect on GPS Navigation System Using Evolutionary Notch Filter

Author(s)

ABBASI M. | MOSAVI M.R. | Issue Writer Certificate

Keywords

GPSQ1

JammingQ1

Adaptive Notch FilterQ1

Evolutionary AlgorithmQ1

Abstract

As nowadays the GPS navigation system has more usage in different areas, increasing its efficiency and accuracy has gained more importance. The transmitted signal travels a long distance from the satellites to reach the receivers on the ground, so its power fades. This faded signal can easily be affected by intentional noises, the so-called Jamming, or unintentional noises. One of the most destructive kinds of Jamming is the continuous wave (CW) Jamming. The most favored method for countering this Jamming is the notch filter. Therefore, in this paper, an Adaptive Notch Filter (ANF) with a narrow response in proposed to reduce the effects of CW Jamming. A kind of PSO Evolutionary Algorithm called the improved particle swarm optimization algorithm (IPSO) is used to adapt the filter’ s coefficients according to the power and frequency of the Jamming signal. Evolutionary Algorithms are used in problems without any straight forward answer, and that is why we chose this method for designing the filter. It also reduces the complexity of solving such mathematical problems. Finally, the efficiency of the proposed method is compared to other similar solutions, showing a significant improvement in the similarity of recovered signal to the original signal (up to 99%), as well as an increase in the number of observed satellites up to 6, and error reduction in determining the user coordinates which is the primary goal of the GPS system.

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APA: Copy

ABBASI, M., & MOSAVI, M.R.. (2021). Reducing Interference Effect on GPS Navigation System Using Evolutionary Notch Filter. JOURNAL OF ELECTRONIC AND CYBER DEFENCE, 8(4 (32) ), 95-106. SID. https://sid.ir/paper/386745/en

Vancouver: Copy

ABBASI M., MOSAVI M.R.. Reducing Interference Effect on GPS Navigation System Using Evolutionary Notch Filter. JOURNAL OF ELECTRONIC AND CYBER DEFENCE[Internet]. 2021;8(4 (32) ):95-106. Available from: https://sid.ir/paper/386745/en

IEEE: Copy

M. ABBASI, and M.R. MOSAVI, “Reducing Interference Effect on GPS Navigation System Using Evolutionary Notch Filter,” JOURNAL OF ELECTRONIC AND CYBER DEFENCE, vol. 8, no. 4 (32) , pp. 95–106, 2021, [Online]. Available: https://sid.ir/paper/386745/en

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