A Modified Anti-Jamming Method Using Dual-Polarized Ellipsoid Minimum Variance Distortionless Response to Predict the Coverage Ratio of Global Positioning System Signal

Hao, Chuanhui; Liu, Yidong; Wang, Xiao Hui; Sun, Xu-Bao

doi:10.1109/jsen.2021.3121492

Cited by 7 publications

(2 citation statements)

References 16 publications

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“…If the receiver has been conducted, the hardware modules can't be changed, and only the software can be improved. Therefore, with the wide application of satellite navigation systems, anti-jamming technology has also been developed rapidly [25][26][27]. According to the number of antennas, anti-jamming technology can be divided into single-antenna anti-jamming technology and array antenna anti-jamming technology [28][29][30][31].…”

Section: Introductionmentioning

confidence: 99%

Distortionless 1/2 Overlap Windowing in Frequency Domain Anti-Jamming of Satellite Navigation Receivers

Song

Huang

et al. 2022

Remote Sensing

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Frequency-domain anti-jamming technology is a common anti-jamming method for satellite navigation receivers. 1/2 overlapping windowing can effectively solve the spectrum leakage in the frequency domain conversion process, but the traditional window function will cause the loss of signal energy. This paper proposes a window function design method with no loss of signal energy, which can effectively solve the signal energy loss caused by the window function. The feasibility of the proposed method is theoretically deduced, and the effectiveness of the proposed method is verified by simulation and measured data. Compared with the traditional window function, the signal-to-noise ratio improvement of the method proposed in this paper is better than 0.5 dB. The frequency domain anti-jamming processing is optimized, the signal-to-noise ratio loss caused by the anti-jamming processing is reduced, and the anti-jamming performance is indirectly improved. This plays an important role in the performance optimization of satellite navigation system links.

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Section: Introductionmentioning

confidence: 99%

Distortionless 1/2 Overlap Windowing in Frequency Domain Anti-Jamming of Satellite Navigation Receivers

Song

Huang

et al. 2022

Remote Sensing

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“…Under the premise of constraining the expected signal direction gain to be 1, the MVDR algorithm takes the minimum array output power as the criterion [11,12], and is a classic algorithm used by multi-beam anti-jamming receivers [13]. The algorithm performs quite well in high-power suppression jamming in the radar and navigation field [14][15][16][17], and through algorithm improvement, it has better performance [18]. Proposed an adaptive anti-jamming dualpolarized ellipsoid minimum variance distortionless response (EMVDR) method, while improving the anti-interference performance, the GPS coverage ratio can keep from 60% to 70% [19].…”

Section: Introductionmentioning

confidence: 99%

Performance analysis of repeater spoofing suppression based on GNSS multi-beam receiver

Ren

Chen²,

Ni³

et al. 2022

Front. Phys.

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In order to analyze the anti-spoofing performance of the Global Navigation Satellite System (GNSS) multi-beam anti-jamming receiver in the presence of direct repeater spoofing, this paper deduces the theoretical formulas of the output real signal and the direct repeater spoofing signal power of the multi-beam anti-jamming receiver using the minimum variance distortionless response (MVDR) algorithm, when the number of snapshots is limited. The influence of the power of the spoofing signal reaching the surface of the antenna array on the output power of the real signal and the spoofing signal is analyzed in detail. The analysis shows that no matter how the power of the direct repeater spoofing signal is set, the multi-beam anti-jamming receiver using the MVDR algorithm can always suppress the spoofing below the real signal power level, and the suppression effect is more significant when the spoofing signal-to-noise ratio is high. Finally, the correctness of the conclusion is verified by simulation.

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Enhanced robustness in constant modulus blind beamforming through L1-regularized state estimation with variable-splitting Kalman smoother and IEKS

HAO,

ZHANG,

SNU

2024

Chinese Journal of Aeronautics

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A Modified Anti-Jamming Method Using Dual-Polarized Ellipsoid Minimum Variance Distortionless Response to Predict the Coverage Ratio of Global Positioning System Signal

Cited by 7 publications

References 16 publications

Distortionless 1/2 Overlap Windowing in Frequency Domain Anti-Jamming of Satellite Navigation Receivers

Distortionless 1/2 Overlap Windowing in Frequency Domain Anti-Jamming of Satellite Navigation Receivers

Performance analysis of repeater spoofing suppression based on GNSS multi-beam receiver

Enhanced robustness in constant modulus blind beamforming through L1-regularized state estimation with variable-splitting Kalman smoother and IEKS

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