A combined iCEEMDAN and VMD method for mitigating the impact of ionospheric scintillation on GNSS signals

Abstract Severe amplitude and phase scintillation induced by the ionospheric plasma density irregularities degrades the performance of global navigation satellite system (GNSS) receivers. Scintillation typically has adverse effects at the tracking process and thus adversely affects the raw GNSS meas...
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Autor*in:	Dey, Abhijit [verfasserIn] Chhibba, Rohan [verfasserIn] Ratnam, Devananboyina Venkata [verfasserIn] Sharma, Nitin [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2021

Schlagwörter:	Global navigation satellite system (GNSS) Ionospheric scintillation CEEMDAN Variational mode decomposition (VMD) Detrended fluctuation analysis (DFA)

Anmerkung:	© Institute of Geophysics, Polish Academy of Sciences & Polish Academy of Sciences 2021

Übergeordnetes Werk:	Enthalten in: Acta geophysica - Warsaw : De Gruyter Open, 2006, 69(2021), 5 vom: 01. Juli, Seite 1933-1948
Übergeordnetes Werk:	volume:69 ; year:2021 ; number:5 ; day:01 ; month:07 ; pages:1933-1948

Links:	Volltext

DOI / URN:	10.1007/s11600-021-00629-y

Katalog-ID:	SPR045183929

Internformat


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245	1	2	\|a A combined iCEEMDAN and VMD method for mitigating the impact of ionospheric scintillation on GNSS signals
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520			\|a Abstract Severe amplitude and phase scintillation induced by the ionospheric plasma density irregularities degrades the performance of global navigation satellite system (GNSS) receivers. Scintillation typically has adverse effects at the tracking process and thus adversely affects the raw GNSS measurements used in a number of applications. Hence, it is important to develop robust methodologies for detecting and mitigating ionospheric effects on the GNSS signals. In this paper, we propose a novel method based on the combination of improved complete ensemble empirical mode decomposition with adaptive noise (iCEEMDAN) and variational mode decomposition (VMD) methods. The proposed method employs a detrended fluctuation analysis (DFA)-based metric for robust thresholding between the scintillation-free and amplitude scintillated GNSS signals. The major contribution of the proposed method is development of novel approaches for selection of intrinsic mode functions (IMFs) based on DFA and optimised selection of [K, %${\alpha }%$] parameters of the VMD. The performance of the proposed method was evaluated and was observed that it is better than existing ionospheric scintillation effects mitigation algorithms for both simulated and real-time GPS scintillation datasets. The proposed method can denoise approximately 9.23–15.30 dB scintillation noise from the synthetic and 0.2–0.48 from the real scintillation index (%$S_{4}%$) values. Therefore, the proposed (iCEEMDAN-VMD) method is appropriate for mitigating the ionospheric scintillation effects on the GNSS signals.
650		4	\|a Global navigation satellite system (GNSS) \|7 (dpeaa)DE-He213
650		4	\|a Ionospheric scintillation \|7 (dpeaa)DE-He213
650		4	\|a CEEMDAN \|7 (dpeaa)DE-He213
650		4	\|a Variational mode decomposition (VMD) \|7 (dpeaa)DE-He213
650		4	\|a Detrended fluctuation analysis (DFA) \|7 (dpeaa)DE-He213
700	1		\|a Chhibba, Rohan \|e verfasserin \|4 aut
700	1		\|a Ratnam, Devananboyina Venkata \|e verfasserin \|4 aut
700	1		\|a Sharma, Nitin \|e verfasserin \|4 aut
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912			\|a GBV_ILN_74
912			\|a GBV_ILN_90
912			\|a GBV_ILN_95
912			\|a GBV_ILN_100
912			\|a GBV_ILN_105
912			\|a GBV_ILN_110
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912			\|a GBV_ILN_138
912			\|a GBV_ILN_150
912			\|a GBV_ILN_151
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912			\|a GBV_ILN_161
912			\|a GBV_ILN_170
912			\|a GBV_ILN_171
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912			\|a GBV_ILN_224
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912			\|a GBV_ILN_2010
912			\|a GBV_ILN_2011
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952			\|d 69 \|j 2021 \|e 5 \|b 01 \|c 07 \|h 1933-1948

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hierarchy_sort_str	2021
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publishDate	2021
allfields	10.1007/s11600-021-00629-y doi (DE-627)SPR045183929 (SPR)s11600-021-00629-y-e DE-627 ger DE-627 rakwb eng 550 ASE 38.70 bkl Dey, Abhijit verfasserin aut A combined iCEEMDAN and VMD method for mitigating the impact of ionospheric scintillation on GNSS signals 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Institute of Geophysics, Polish Academy of Sciences & Polish Academy of Sciences 2021 Abstract Severe amplitude and phase scintillation induced by the ionospheric plasma density irregularities degrades the performance of global navigation satellite system (GNSS) receivers. Scintillation typically has adverse effects at the tracking process and thus adversely affects the raw GNSS measurements used in a number of applications. Hence, it is important to develop robust methodologies for detecting and mitigating ionospheric effects on the GNSS signals. In this paper, we propose a novel method based on the combination of improved complete ensemble empirical mode decomposition with adaptive noise (iCEEMDAN) and variational mode decomposition (VMD) methods. The proposed method employs a detrended fluctuation analysis (DFA)-based metric for robust thresholding between the scintillation-free and amplitude scintillated GNSS signals. The major contribution of the proposed method is development of novel approaches for selection of intrinsic mode functions (IMFs) based on DFA and optimised selection of [K, %${\alpha }%$] parameters of the VMD. The performance of the proposed method was evaluated and was observed that it is better than existing ionospheric scintillation effects mitigation algorithms for both simulated and real-time GPS scintillation datasets. The proposed method can denoise approximately 9.23–15.30 dB scintillation noise from the synthetic and 0.2–0.48 from the real scintillation index (%$S_{4}%$) values. Therefore, the proposed (iCEEMDAN-VMD) method is appropriate for mitigating the ionospheric scintillation effects on the GNSS signals. Global navigation satellite system (GNSS) (dpeaa)DE-He213 Ionospheric scintillation (dpeaa)DE-He213 CEEMDAN (dpeaa)DE-He213 Variational mode decomposition (VMD) (dpeaa)DE-He213 Detrended fluctuation analysis (DFA) (dpeaa)DE-He213 Chhibba, Rohan verfasserin aut Ratnam, Devananboyina Venkata verfasserin aut Sharma, Nitin verfasserin aut Enthalten in Acta geophysica Warsaw : De Gruyter Open, 2006 69(2021), 5 vom: 01. Juli, Seite 1933-1948 (DE-627)51061843X (DE-600)2231673-5 1895-7455 nnns volume:69 year:2021 number:5 day:01 month:07 pages:1933-1948 https://dx.doi.org/10.1007/s11600-021-00629-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GGO SSG-OPC-GEO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_266 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.70 ASE AR 69 2021 5 01 07 1933-1948
spelling	10.1007/s11600-021-00629-y doi (DE-627)SPR045183929 (SPR)s11600-021-00629-y-e DE-627 ger DE-627 rakwb eng 550 ASE 38.70 bkl Dey, Abhijit verfasserin aut A combined iCEEMDAN and VMD method for mitigating the impact of ionospheric scintillation on GNSS signals 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Institute of Geophysics, Polish Academy of Sciences & Polish Academy of Sciences 2021 Abstract Severe amplitude and phase scintillation induced by the ionospheric plasma density irregularities degrades the performance of global navigation satellite system (GNSS) receivers. Scintillation typically has adverse effects at the tracking process and thus adversely affects the raw GNSS measurements used in a number of applications. Hence, it is important to develop robust methodologies for detecting and mitigating ionospheric effects on the GNSS signals. In this paper, we propose a novel method based on the combination of improved complete ensemble empirical mode decomposition with adaptive noise (iCEEMDAN) and variational mode decomposition (VMD) methods. The proposed method employs a detrended fluctuation analysis (DFA)-based metric for robust thresholding between the scintillation-free and amplitude scintillated GNSS signals. The major contribution of the proposed method is development of novel approaches for selection of intrinsic mode functions (IMFs) based on DFA and optimised selection of [K, %${\alpha }%$] parameters of the VMD. The performance of the proposed method was evaluated and was observed that it is better than existing ionospheric scintillation effects mitigation algorithms for both simulated and real-time GPS scintillation datasets. The proposed method can denoise approximately 9.23–15.30 dB scintillation noise from the synthetic and 0.2–0.48 from the real scintillation index (%$S_{4}%$) values. Therefore, the proposed (iCEEMDAN-VMD) method is appropriate for mitigating the ionospheric scintillation effects on the GNSS signals. Global navigation satellite system (GNSS) (dpeaa)DE-He213 Ionospheric scintillation (dpeaa)DE-He213 CEEMDAN (dpeaa)DE-He213 Variational mode decomposition (VMD) (dpeaa)DE-He213 Detrended fluctuation analysis (DFA) (dpeaa)DE-He213 Chhibba, Rohan verfasserin aut Ratnam, Devananboyina Venkata verfasserin aut Sharma, Nitin verfasserin aut Enthalten in Acta geophysica Warsaw : De Gruyter Open, 2006 69(2021), 5 vom: 01. Juli, Seite 1933-1948 (DE-627)51061843X (DE-600)2231673-5 1895-7455 nnns volume:69 year:2021 number:5 day:01 month:07 pages:1933-1948 https://dx.doi.org/10.1007/s11600-021-00629-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GGO SSG-OPC-GEO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_266 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.70 ASE AR 69 2021 5 01 07 1933-1948
allfields_unstemmed	10.1007/s11600-021-00629-y doi (DE-627)SPR045183929 (SPR)s11600-021-00629-y-e DE-627 ger DE-627 rakwb eng 550 ASE 38.70 bkl Dey, Abhijit verfasserin aut A combined iCEEMDAN and VMD method for mitigating the impact of ionospheric scintillation on GNSS signals 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Institute of Geophysics, Polish Academy of Sciences & Polish Academy of Sciences 2021 Abstract Severe amplitude and phase scintillation induced by the ionospheric plasma density irregularities degrades the performance of global navigation satellite system (GNSS) receivers. Scintillation typically has adverse effects at the tracking process and thus adversely affects the raw GNSS measurements used in a number of applications. Hence, it is important to develop robust methodologies for detecting and mitigating ionospheric effects on the GNSS signals. In this paper, we propose a novel method based on the combination of improved complete ensemble empirical mode decomposition with adaptive noise (iCEEMDAN) and variational mode decomposition (VMD) methods. The proposed method employs a detrended fluctuation analysis (DFA)-based metric for robust thresholding between the scintillation-free and amplitude scintillated GNSS signals. The major contribution of the proposed method is development of novel approaches for selection of intrinsic mode functions (IMFs) based on DFA and optimised selection of [K, %${\alpha }%$] parameters of the VMD. The performance of the proposed method was evaluated and was observed that it is better than existing ionospheric scintillation effects mitigation algorithms for both simulated and real-time GPS scintillation datasets. The proposed method can denoise approximately 9.23–15.30 dB scintillation noise from the synthetic and 0.2–0.48 from the real scintillation index (%$S_{4}%$) values. Therefore, the proposed (iCEEMDAN-VMD) method is appropriate for mitigating the ionospheric scintillation effects on the GNSS signals. Global navigation satellite system (GNSS) (dpeaa)DE-He213 Ionospheric scintillation (dpeaa)DE-He213 CEEMDAN (dpeaa)DE-He213 Variational mode decomposition (VMD) (dpeaa)DE-He213 Detrended fluctuation analysis (DFA) (dpeaa)DE-He213 Chhibba, Rohan verfasserin aut Ratnam, Devananboyina Venkata verfasserin aut Sharma, Nitin verfasserin aut Enthalten in Acta geophysica Warsaw : De Gruyter Open, 2006 69(2021), 5 vom: 01. Juli, Seite 1933-1948 (DE-627)51061843X (DE-600)2231673-5 1895-7455 nnns volume:69 year:2021 number:5 day:01 month:07 pages:1933-1948 https://dx.doi.org/10.1007/s11600-021-00629-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GGO SSG-OPC-GEO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_266 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.70 ASE AR 69 2021 5 01 07 1933-1948
allfieldsGer	10.1007/s11600-021-00629-y doi (DE-627)SPR045183929 (SPR)s11600-021-00629-y-e DE-627 ger DE-627 rakwb eng 550 ASE 38.70 bkl Dey, Abhijit verfasserin aut A combined iCEEMDAN and VMD method for mitigating the impact of ionospheric scintillation on GNSS signals 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Institute of Geophysics, Polish Academy of Sciences & Polish Academy of Sciences 2021 Abstract Severe amplitude and phase scintillation induced by the ionospheric plasma density irregularities degrades the performance of global navigation satellite system (GNSS) receivers. Scintillation typically has adverse effects at the tracking process and thus adversely affects the raw GNSS measurements used in a number of applications. Hence, it is important to develop robust methodologies for detecting and mitigating ionospheric effects on the GNSS signals. In this paper, we propose a novel method based on the combination of improved complete ensemble empirical mode decomposition with adaptive noise (iCEEMDAN) and variational mode decomposition (VMD) methods. The proposed method employs a detrended fluctuation analysis (DFA)-based metric for robust thresholding between the scintillation-free and amplitude scintillated GNSS signals. The major contribution of the proposed method is development of novel approaches for selection of intrinsic mode functions (IMFs) based on DFA and optimised selection of [K, %${\alpha }%$] parameters of the VMD. The performance of the proposed method was evaluated and was observed that it is better than existing ionospheric scintillation effects mitigation algorithms for both simulated and real-time GPS scintillation datasets. The proposed method can denoise approximately 9.23–15.30 dB scintillation noise from the synthetic and 0.2–0.48 from the real scintillation index (%$S_{4}%$) values. Therefore, the proposed (iCEEMDAN-VMD) method is appropriate for mitigating the ionospheric scintillation effects on the GNSS signals. Global navigation satellite system (GNSS) (dpeaa)DE-He213 Ionospheric scintillation (dpeaa)DE-He213 CEEMDAN (dpeaa)DE-He213 Variational mode decomposition (VMD) (dpeaa)DE-He213 Detrended fluctuation analysis (DFA) (dpeaa)DE-He213 Chhibba, Rohan verfasserin aut Ratnam, Devananboyina Venkata verfasserin aut Sharma, Nitin verfasserin aut Enthalten in Acta geophysica Warsaw : De Gruyter Open, 2006 69(2021), 5 vom: 01. Juli, Seite 1933-1948 (DE-627)51061843X (DE-600)2231673-5 1895-7455 nnns volume:69 year:2021 number:5 day:01 month:07 pages:1933-1948 https://dx.doi.org/10.1007/s11600-021-00629-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GGO SSG-OPC-GEO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_266 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.70 ASE AR 69 2021 5 01 07 1933-1948
allfieldsSound	10.1007/s11600-021-00629-y doi (DE-627)SPR045183929 (SPR)s11600-021-00629-y-e DE-627 ger DE-627 rakwb eng 550 ASE 38.70 bkl Dey, Abhijit verfasserin aut A combined iCEEMDAN and VMD method for mitigating the impact of ionospheric scintillation on GNSS signals 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Institute of Geophysics, Polish Academy of Sciences & Polish Academy of Sciences 2021 Abstract Severe amplitude and phase scintillation induced by the ionospheric plasma density irregularities degrades the performance of global navigation satellite system (GNSS) receivers. Scintillation typically has adverse effects at the tracking process and thus adversely affects the raw GNSS measurements used in a number of applications. Hence, it is important to develop robust methodologies for detecting and mitigating ionospheric effects on the GNSS signals. In this paper, we propose a novel method based on the combination of improved complete ensemble empirical mode decomposition with adaptive noise (iCEEMDAN) and variational mode decomposition (VMD) methods. The proposed method employs a detrended fluctuation analysis (DFA)-based metric for robust thresholding between the scintillation-free and amplitude scintillated GNSS signals. The major contribution of the proposed method is development of novel approaches for selection of intrinsic mode functions (IMFs) based on DFA and optimised selection of [K, %${\alpha }%$] parameters of the VMD. The performance of the proposed method was evaluated and was observed that it is better than existing ionospheric scintillation effects mitigation algorithms for both simulated and real-time GPS scintillation datasets. The proposed method can denoise approximately 9.23–15.30 dB scintillation noise from the synthetic and 0.2–0.48 from the real scintillation index (%$S_{4}%$) values. Therefore, the proposed (iCEEMDAN-VMD) method is appropriate for mitigating the ionospheric scintillation effects on the GNSS signals. Global navigation satellite system (GNSS) (dpeaa)DE-He213 Ionospheric scintillation (dpeaa)DE-He213 CEEMDAN (dpeaa)DE-He213 Variational mode decomposition (VMD) (dpeaa)DE-He213 Detrended fluctuation analysis (DFA) (dpeaa)DE-He213 Chhibba, Rohan verfasserin aut Ratnam, Devananboyina Venkata verfasserin aut Sharma, Nitin verfasserin aut Enthalten in Acta geophysica Warsaw : De Gruyter Open, 2006 69(2021), 5 vom: 01. Juli, Seite 1933-1948 (DE-627)51061843X (DE-600)2231673-5 1895-7455 nnns volume:69 year:2021 number:5 day:01 month:07 pages:1933-1948 https://dx.doi.org/10.1007/s11600-021-00629-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GGO SSG-OPC-GEO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_266 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.70 ASE AR 69 2021 5 01 07 1933-1948
language	English
source	Enthalten in Acta geophysica 69(2021), 5 vom: 01. Juli, Seite 1933-1948 volume:69 year:2021 number:5 day:01 month:07 pages:1933-1948
sourceStr	Enthalten in Acta geophysica 69(2021), 5 vom: 01. Juli, Seite 1933-1948 volume:69 year:2021 number:5 day:01 month:07 pages:1933-1948
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Global navigation satellite system (GNSS) Ionospheric scintillation CEEMDAN Variational mode decomposition (VMD) Detrended fluctuation analysis (DFA)
dewey-raw	550
isfreeaccess_bool	false
container_title	Acta geophysica
authorswithroles_txt_mv	Dey, Abhijit @@aut@@ Chhibba, Rohan @@aut@@ Ratnam, Devananboyina Venkata @@aut@@ Sharma, Nitin @@aut@@
publishDateDaySort_date	2021-07-01T00:00:00Z
hierarchy_top_id	51061843X
dewey-sort	3550
id	SPR045183929
language_de	englisch
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author	Dey, Abhijit
spellingShingle	Dey, Abhijit ddc 550 bkl 38.70 misc Global navigation satellite system (GNSS) misc Ionospheric scintillation misc CEEMDAN misc Variational mode decomposition (VMD) misc Detrended fluctuation analysis (DFA) A combined iCEEMDAN and VMD method for mitigating the impact of ionospheric scintillation on GNSS signals
authorStr	Dey, Abhijit
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topic_title	550 ASE 38.70 bkl A combined iCEEMDAN and VMD method for mitigating the impact of ionospheric scintillation on GNSS signals Global navigation satellite system (GNSS) (dpeaa)DE-He213 Ionospheric scintillation (dpeaa)DE-He213 CEEMDAN (dpeaa)DE-He213 Variational mode decomposition (VMD) (dpeaa)DE-He213 Detrended fluctuation analysis (DFA) (dpeaa)DE-He213
topic	ddc 550 bkl 38.70 misc Global navigation satellite system (GNSS) misc Ionospheric scintillation misc CEEMDAN misc Variational mode decomposition (VMD) misc Detrended fluctuation analysis (DFA)
topic_unstemmed	ddc 550 bkl 38.70 misc Global navigation satellite system (GNSS) misc Ionospheric scintillation misc CEEMDAN misc Variational mode decomposition (VMD) misc Detrended fluctuation analysis (DFA)
topic_browse	ddc 550 bkl 38.70 misc Global navigation satellite system (GNSS) misc Ionospheric scintillation misc CEEMDAN misc Variational mode decomposition (VMD) misc Detrended fluctuation analysis (DFA)
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title	A combined iCEEMDAN and VMD method for mitigating the impact of ionospheric scintillation on GNSS signals
ctrlnum	(DE-627)SPR045183929 (SPR)s11600-021-00629-y-e
title_full	A combined iCEEMDAN and VMD method for mitigating the impact of ionospheric scintillation on GNSS signals
author_sort	Dey, Abhijit
journal	Acta geophysica
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author_browse	Dey, Abhijit Chhibba, Rohan Ratnam, Devananboyina Venkata Sharma, Nitin
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author-letter	Dey, Abhijit
doi_str_mv	10.1007/s11600-021-00629-y
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title_sort	combined iceemdan and vmd method for mitigating the impact of ionospheric scintillation on gnss signals
title_auth	A combined iCEEMDAN and VMD method for mitigating the impact of ionospheric scintillation on GNSS signals
abstract	Abstract Severe amplitude and phase scintillation induced by the ionospheric plasma density irregularities degrades the performance of global navigation satellite system (GNSS) receivers. Scintillation typically has adverse effects at the tracking process and thus adversely affects the raw GNSS measurements used in a number of applications. Hence, it is important to develop robust methodologies for detecting and mitigating ionospheric effects on the GNSS signals. In this paper, we propose a novel method based on the combination of improved complete ensemble empirical mode decomposition with adaptive noise (iCEEMDAN) and variational mode decomposition (VMD) methods. The proposed method employs a detrended fluctuation analysis (DFA)-based metric for robust thresholding between the scintillation-free and amplitude scintillated GNSS signals. The major contribution of the proposed method is development of novel approaches for selection of intrinsic mode functions (IMFs) based on DFA and optimised selection of [K, %${\alpha }%$] parameters of the VMD. The performance of the proposed method was evaluated and was observed that it is better than existing ionospheric scintillation effects mitigation algorithms for both simulated and real-time GPS scintillation datasets. The proposed method can denoise approximately 9.23–15.30 dB scintillation noise from the synthetic and 0.2–0.48 from the real scintillation index (%$S_{4}%$) values. Therefore, the proposed (iCEEMDAN-VMD) method is appropriate for mitigating the ionospheric scintillation effects on the GNSS signals. © Institute of Geophysics, Polish Academy of Sciences & Polish Academy of Sciences 2021
abstractGer	Abstract Severe amplitude and phase scintillation induced by the ionospheric plasma density irregularities degrades the performance of global navigation satellite system (GNSS) receivers. Scintillation typically has adverse effects at the tracking process and thus adversely affects the raw GNSS measurements used in a number of applications. Hence, it is important to develop robust methodologies for detecting and mitigating ionospheric effects on the GNSS signals. In this paper, we propose a novel method based on the combination of improved complete ensemble empirical mode decomposition with adaptive noise (iCEEMDAN) and variational mode decomposition (VMD) methods. The proposed method employs a detrended fluctuation analysis (DFA)-based metric for robust thresholding between the scintillation-free and amplitude scintillated GNSS signals. The major contribution of the proposed method is development of novel approaches for selection of intrinsic mode functions (IMFs) based on DFA and optimised selection of [K, %${\alpha }%$] parameters of the VMD. The performance of the proposed method was evaluated and was observed that it is better than existing ionospheric scintillation effects mitigation algorithms for both simulated and real-time GPS scintillation datasets. The proposed method can denoise approximately 9.23–15.30 dB scintillation noise from the synthetic and 0.2–0.48 from the real scintillation index (%$S_{4}%$) values. Therefore, the proposed (iCEEMDAN-VMD) method is appropriate for mitigating the ionospheric scintillation effects on the GNSS signals. © Institute of Geophysics, Polish Academy of Sciences & Polish Academy of Sciences 2021
abstract_unstemmed	Abstract Severe amplitude and phase scintillation induced by the ionospheric plasma density irregularities degrades the performance of global navigation satellite system (GNSS) receivers. Scintillation typically has adverse effects at the tracking process and thus adversely affects the raw GNSS measurements used in a number of applications. Hence, it is important to develop robust methodologies for detecting and mitigating ionospheric effects on the GNSS signals. In this paper, we propose a novel method based on the combination of improved complete ensemble empirical mode decomposition with adaptive noise (iCEEMDAN) and variational mode decomposition (VMD) methods. The proposed method employs a detrended fluctuation analysis (DFA)-based metric for robust thresholding between the scintillation-free and amplitude scintillated GNSS signals. The major contribution of the proposed method is development of novel approaches for selection of intrinsic mode functions (IMFs) based on DFA and optimised selection of [K, %${\alpha }%$] parameters of the VMD. The performance of the proposed method was evaluated and was observed that it is better than existing ionospheric scintillation effects mitigation algorithms for both simulated and real-time GPS scintillation datasets. The proposed method can denoise approximately 9.23–15.30 dB scintillation noise from the synthetic and 0.2–0.48 from the real scintillation index (%$S_{4}%$) values. Therefore, the proposed (iCEEMDAN-VMD) method is appropriate for mitigating the ionospheric scintillation effects on the GNSS signals. © Institute of Geophysics, Polish Academy of Sciences & Polish Academy of Sciences 2021
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container_issue	5
title_short	A combined iCEEMDAN and VMD method for mitigating the impact of ionospheric scintillation on GNSS signals
url	https://dx.doi.org/10.1007/s11600-021-00629-y
remote_bool	true
author2	Chhibba, Rohan Ratnam, Devananboyina Venkata Sharma, Nitin
author2Str	Chhibba, Rohan Ratnam, Devananboyina Venkata Sharma, Nitin
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isOA_txt	false
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doi_str	10.1007/s11600-021-00629-y
up_date	2024-07-03T14:18:58.242Z
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A combined iCEEMDAN and VMD method for mitigating the impact of ionospheric scintillation on GNSS signals

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