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CN 34-1054/N

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A method of interference mitigation for GPS signal in cyclic spectral domain

  • 1.

    State Key Laboratory of Satellite Navigation System & Equipment Technology, Shijiazhuang 050002, China

  • 2.

    School of Electronics & Electrical Engineering, Chuzhou University, Chuzhou 239000, China

Cite this:
https://doi.org/10.3969/j.issn.0253-2778.2018.09.004
  • Received Date: 12 March 2018
  • Accepted Date: 27 September 2018
  • Rev Recd Date: 27 September 2018
  • Publish Date: 30 September 2018
    Abstract

  • Abstract

    Aiming at the complicated strong interference overlapped on the weak GPS signal in time and frequency domains, and motivated by the idea of signal cancellation, a method for mitigating the strong interference in the cyclic spectral domain is proposed. First, the cyclic frequencies (CFs) of the interference are obtained by the cyclic spectral analysis; then with the obtained CFs and the adaptive FREquency SHift (FRESH) filter, a detailed process of mitigating the strong interference by the FRESH filtering is formed; finally by implementing the FRESH filtering with the adaptive least mean square (LMS) algorithm, the strong overlapped interference can be effectively mitigated. Simulations on the acquisition and tracking of performance of the separated GPS signal after the interference mitigation under different circumstances validate the proposed method.

    Abstract

    Aiming at the complicated strong interference overlapped on the weak GPS signal in time and frequency domains, and motivated by the idea of signal cancellation, a method for mitigating the strong interference in the cyclic spectral domain is proposed. First, the cyclic frequencies (CFs) of the interference are obtained by the cyclic spectral analysis; then with the obtained CFs and the adaptive FREquency SHift (FRESH) filter, a detailed process of mitigating the strong interference by the FRESH filtering is formed; finally by implementing the FRESH filtering with the adaptive least mean square (LMS) algorithm, the strong overlapped interference can be effectively mitigated. Simulations on the acquisition and tracking of performance of the separated GPS signal after the interference mitigation under different circumstances validate the proposed method.
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    • References(18)
  • [1]
    Navstar GPS space segment/navigation user interface. IS-GPS-200H-003[S]. Navstar GPS Joint Program Office, December 2015: 16-21.
    [2]
    IOANNIDES R T, PANY T, GIBBONS G. Known vulnerabilities of global navigation satellite systems, status, and potential mitigation techniques[J]. Proceedings of the IEEE, 2016, 104(6): 1174-1194.
    [3]
    RAASAKKA J, OREJAS M. Analysis of notch filtering methods for narrowband interference mitigation[C]//2014 Position, Location and Navigation Symposium. Monterey, USA: IEEE/ION Press, 2014: 1282-1292.
    [4]
    AMIN M G, WANG X, ZHANG Y D, et al. Sparse arrays and sampling for interference mitigation and DOA estimation in GNSS[J]. Proceedings of the IEEE, 2016, 104(6): 1302-1317.
    [5]
    AMIN M G, BORIO D, ZHANG Y D, et al. Time-frequency analysis for GNSSs: from interference mitigation to system monitoring[J]. IEEE Signal Processing Magazine, 2017, 34(5): 85-95.
    [6]
    AVASTA S, PRESTI L L, RAO M. Interference mitigation in GNSS receivers by a time-frequency approach[J]. IEEE Transactions on Aerospace and Electronic Systems, 2013, 49(1): 415-438.
    [7]
    MUSUMECI L, DOVIS F, CURRAN J T. A comparative analysis of adaptive notch filtering and wavelet mitigation against jammers interference[J]. Navigation, 2016, 63(4): 533-550.
    [8]
    SHI B B, CHENG Z, QIAN L J, et al. Cyclostationarity based cascaded space-time anti jamming processor designed to appeal to GPS receivers[J]. Journal of Xidian University, 2010, 37(4): 743-750.
    [9]
    GARDNER W A. Cyclic Wiener filtering: theory and method[J]. IEEE Transactions on Communications, 1993, 41(1): 151-163.
    [10]
    ZHANG J, WONG K M, LUO Z Q, et al. Blind adaptive FRESH filtering for signal extraction[J]. IEEE Transactions on Signal Processing, 1999, 47(5): 1397-1402.
    [11]
    ROBERTS R S, BROWN W A, LOOMIS H H. Computationally efficient algorithms for cyclic spectral analysis[J]. IEEE Signal Processing Magazine, 1991, 8(2): 38-49.
    [12]
    ANTONI J, XIN G, HAMZAOUI N. Fast computation of the spectral correlation[J]. Mechanical Systems and Signal Processing, 2017, 92: 248-277.
    [13]
    NAPOLITANO A, PERNA I. Cyclic spectral analysis of the GPS signal[J]. Digital Signal Processing, 2014, 33: 13-33.
    [14]
    GARDNER W A. Measurement of spectral correlation[J]. IEEE Transactions on Acoustics, Speech, and Signal Processing, 1986, 34(5): 1111-1123.
    [15]
    RAMKUMAR B. Automatic modulation classification for cognitive radios using cyclic feature detection[J]. IEEE Circuits and Systems Magazine, 2009, 9(2): 27-45.
    [16]
    赵宇峰, 曹玉健, 纪勇, 等. 基于循环频率特征的单信道混合通信信号的调制识别[J]. 电子与信息学报, 2014, 36(5): 1202-1208.
    ZHAO Yufeng, CAO Yujian, JI Yong, et al. Modulation identification for single-channel mixed communication signals based on cyclic frequency features[J]. Journal of Electronics & Information Technology, 2014, 36(5): 1202-1208.
    [17]
    HU Y, SONG M, and MENG B. GPS signal availability augmentation utilizing the navigation signal retransmission via the GEO Comsat[J]. Wireless Personal Communications, 2015, 82(4): 2655-2671.
    [18]
    KAPLAN E D, HEGARTY C J. Understanding GPS: Principles and Applications[M]. 2ed, Boston, USA: Artech House Publishers, 2006: 153-200.
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    [1]
    Navstar GPS space segment/navigation user interface. IS-GPS-200H-003[S]. Navstar GPS Joint Program Office, December 2015: 16-21.
    [2]
    IOANNIDES R T, PANY T, GIBBONS G. Known vulnerabilities of global navigation satellite systems, status, and potential mitigation techniques[J]. Proceedings of the IEEE, 2016, 104(6): 1174-1194.
    [3]
    RAASAKKA J, OREJAS M. Analysis of notch filtering methods for narrowband interference mitigation[C]//2014 Position, Location and Navigation Symposium. Monterey, USA: IEEE/ION Press, 2014: 1282-1292.
    [4]
    AMIN M G, WANG X, ZHANG Y D, et al. Sparse arrays and sampling for interference mitigation and DOA estimation in GNSS[J]. Proceedings of the IEEE, 2016, 104(6): 1302-1317.
    [5]
    AMIN M G, BORIO D, ZHANG Y D, et al. Time-frequency analysis for GNSSs: from interference mitigation to system monitoring[J]. IEEE Signal Processing Magazine, 2017, 34(5): 85-95.
    [6]
    AVASTA S, PRESTI L L, RAO M. Interference mitigation in GNSS receivers by a time-frequency approach[J]. IEEE Transactions on Aerospace and Electronic Systems, 2013, 49(1): 415-438.
    [7]
    MUSUMECI L, DOVIS F, CURRAN J T. A comparative analysis of adaptive notch filtering and wavelet mitigation against jammers interference[J]. Navigation, 2016, 63(4): 533-550.
    [8]
    SHI B B, CHENG Z, QIAN L J, et al. Cyclostationarity based cascaded space-time anti jamming processor designed to appeal to GPS receivers[J]. Journal of Xidian University, 2010, 37(4): 743-750.
    [9]
    GARDNER W A. Cyclic Wiener filtering: theory and method[J]. IEEE Transactions on Communications, 1993, 41(1): 151-163.
    [10]
    ZHANG J, WONG K M, LUO Z Q, et al. Blind adaptive FRESH filtering for signal extraction[J]. IEEE Transactions on Signal Processing, 1999, 47(5): 1397-1402.
    [11]
    ROBERTS R S, BROWN W A, LOOMIS H H. Computationally efficient algorithms for cyclic spectral analysis[J]. IEEE Signal Processing Magazine, 1991, 8(2): 38-49.
    [12]
    ANTONI J, XIN G, HAMZAOUI N. Fast computation of the spectral correlation[J]. Mechanical Systems and Signal Processing, 2017, 92: 248-277.
    [13]
    NAPOLITANO A, PERNA I. Cyclic spectral analysis of the GPS signal[J]. Digital Signal Processing, 2014, 33: 13-33.
    [14]
    GARDNER W A. Measurement of spectral correlation[J]. IEEE Transactions on Acoustics, Speech, and Signal Processing, 1986, 34(5): 1111-1123.
    [15]
    RAMKUMAR B. Automatic modulation classification for cognitive radios using cyclic feature detection[J]. IEEE Circuits and Systems Magazine, 2009, 9(2): 27-45.
    [16]
    赵宇峰, 曹玉健, 纪勇, 等. 基于循环频率特征的单信道混合通信信号的调制识别[J]. 电子与信息学报, 2014, 36(5): 1202-1208.
    ZHAO Yufeng, CAO Yujian, JI Yong, et al. Modulation identification for single-channel mixed communication signals based on cyclic frequency features[J]. Journal of Electronics & Information Technology, 2014, 36(5): 1202-1208.
    [17]
    HU Y, SONG M, and MENG B. GPS signal availability augmentation utilizing the navigation signal retransmission via the GEO Comsat[J]. Wireless Personal Communications, 2015, 82(4): 2655-2671.
    [18]
    KAPLAN E D, HEGARTY C J. Understanding GPS: Principles and Applications[M]. 2ed, Boston, USA: Artech House Publishers, 2006: 153-200.
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