Scalable ESPRIT Processor for Direction-of-Arrival Estimation of Frequency Modulated Continuous Wave Radar

The estimation of signal parameters via rotational invariance techniques (ESPRIT) is an algorithm that uses the shift-invariant properties of the array antenna to estimate the direction-of-arrival (DOA) of signals received in the array antenna. Since the ESPRIT algorithm requires high-complexity ope...
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Autor*in:	Yongchul Jung [verfasserIn] Hohyub Jeon [verfasserIn] Seongjoo Lee [verfasserIn] Yunho Jung [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2021

Schlagwörter:	direction-of-arrival (DOA) estimation of signal parameters via rotational invariance techniques (ESPRIT) Jacobi method multiple invariances (MI)-ESPRIT uniform linear array (ULA)

Übergeordnetes Werk:	In: Electronics - MDPI AG, 2013, 10(2021), 6, p 695
Übergeordnetes Werk:	volume:10 ; year:2021 ; number:6, p 695

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/electronics10060695

Katalog-ID:	DOAJ023992379

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520			\|a The estimation of signal parameters via rotational invariance techniques (ESPRIT) is an algorithm that uses the shift-invariant properties of the array antenna to estimate the direction-of-arrival (DOA) of signals received in the array antenna. Since the ESPRIT algorithm requires high-complexity operations such as covariance matrix and eigenvalue decomposition, a hardware processor must be implemented such that the DOA is estimated in real time. Additionally, the ESPRIT processor should support a scalable number of antenna configuration for DOA estimation in various applications because the performance of ESPRIT depends on the number of antennas. Therefore, we propose an ESPRIT processor that supports two to eight scalable antenna configuration. In addition, since the proposed ESPRIT processor is based on multiple invariances (MI) algorithm, it can achieve a much better performance than the existing ESPRIT processor. The execution time is reduced by simplifying the Jacobi method, which has the most significant computational complexity for calculating eigenvalue decomposition (EVD) in ESPRIT. Moreover, the ESPRIT processor was designed using hardware description language (HDL), and an FPGA-based verification was performed. The proposed ESPRIT processor was implemented with 10,088 slice registers, 18,207 LUTs, and 80 DSPs, and the slice register, LUT, and DSP were reduced by up to 71.45%, 54.5%, and 68.38%, respectively, compared to the existing structure.
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allfields	10.3390/electronics10060695 doi (DE-627)DOAJ023992379 (DE-599)DOAJ76f9627963d6479db86d48efcaf84d58 DE-627 ger DE-627 rakwb eng TK7800-8360 Yongchul Jung verfasserin aut Scalable ESPRIT Processor for Direction-of-Arrival Estimation of Frequency Modulated Continuous Wave Radar 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The estimation of signal parameters via rotational invariance techniques (ESPRIT) is an algorithm that uses the shift-invariant properties of the array antenna to estimate the direction-of-arrival (DOA) of signals received in the array antenna. Since the ESPRIT algorithm requires high-complexity operations such as covariance matrix and eigenvalue decomposition, a hardware processor must be implemented such that the DOA is estimated in real time. Additionally, the ESPRIT processor should support a scalable number of antenna configuration for DOA estimation in various applications because the performance of ESPRIT depends on the number of antennas. Therefore, we propose an ESPRIT processor that supports two to eight scalable antenna configuration. In addition, since the proposed ESPRIT processor is based on multiple invariances (MI) algorithm, it can achieve a much better performance than the existing ESPRIT processor. The execution time is reduced by simplifying the Jacobi method, which has the most significant computational complexity for calculating eigenvalue decomposition (EVD) in ESPRIT. Moreover, the ESPRIT processor was designed using hardware description language (HDL), and an FPGA-based verification was performed. The proposed ESPRIT processor was implemented with 10,088 slice registers, 18,207 LUTs, and 80 DSPs, and the slice register, LUT, and DSP were reduced by up to 71.45%, 54.5%, and 68.38%, respectively, compared to the existing structure. direction-of-arrival (DOA) estimation of signal parameters via rotational invariance techniques (ESPRIT) Jacobi method multiple invariances (MI)-ESPRIT uniform linear array (ULA) Electronics Hohyub Jeon verfasserin aut Seongjoo Lee verfasserin aut Yunho Jung verfasserin aut In Electronics MDPI AG, 2013 10(2021), 6, p 695 (DE-627)718626478 (DE-600)2662127-7 20799292 nnns volume:10 year:2021 number:6, p 695 https://doi.org/10.3390/electronics10060695 kostenfrei https://doaj.org/article/76f9627963d6479db86d48efcaf84d58 kostenfrei https://www.mdpi.com/2079-9292/10/6/695 kostenfrei https://doaj.org/toc/2079-9292 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 10 2021 6, p 695
spelling	10.3390/electronics10060695 doi (DE-627)DOAJ023992379 (DE-599)DOAJ76f9627963d6479db86d48efcaf84d58 DE-627 ger DE-627 rakwb eng TK7800-8360 Yongchul Jung verfasserin aut Scalable ESPRIT Processor for Direction-of-Arrival Estimation of Frequency Modulated Continuous Wave Radar 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The estimation of signal parameters via rotational invariance techniques (ESPRIT) is an algorithm that uses the shift-invariant properties of the array antenna to estimate the direction-of-arrival (DOA) of signals received in the array antenna. Since the ESPRIT algorithm requires high-complexity operations such as covariance matrix and eigenvalue decomposition, a hardware processor must be implemented such that the DOA is estimated in real time. Additionally, the ESPRIT processor should support a scalable number of antenna configuration for DOA estimation in various applications because the performance of ESPRIT depends on the number of antennas. Therefore, we propose an ESPRIT processor that supports two to eight scalable antenna configuration. In addition, since the proposed ESPRIT processor is based on multiple invariances (MI) algorithm, it can achieve a much better performance than the existing ESPRIT processor. The execution time is reduced by simplifying the Jacobi method, which has the most significant computational complexity for calculating eigenvalue decomposition (EVD) in ESPRIT. Moreover, the ESPRIT processor was designed using hardware description language (HDL), and an FPGA-based verification was performed. The proposed ESPRIT processor was implemented with 10,088 slice registers, 18,207 LUTs, and 80 DSPs, and the slice register, LUT, and DSP were reduced by up to 71.45%, 54.5%, and 68.38%, respectively, compared to the existing structure. direction-of-arrival (DOA) estimation of signal parameters via rotational invariance techniques (ESPRIT) Jacobi method multiple invariances (MI)-ESPRIT uniform linear array (ULA) Electronics Hohyub Jeon verfasserin aut Seongjoo Lee verfasserin aut Yunho Jung verfasserin aut In Electronics MDPI AG, 2013 10(2021), 6, p 695 (DE-627)718626478 (DE-600)2662127-7 20799292 nnns volume:10 year:2021 number:6, p 695 https://doi.org/10.3390/electronics10060695 kostenfrei https://doaj.org/article/76f9627963d6479db86d48efcaf84d58 kostenfrei https://www.mdpi.com/2079-9292/10/6/695 kostenfrei https://doaj.org/toc/2079-9292 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 10 2021 6, p 695
allfields_unstemmed	10.3390/electronics10060695 doi (DE-627)DOAJ023992379 (DE-599)DOAJ76f9627963d6479db86d48efcaf84d58 DE-627 ger DE-627 rakwb eng TK7800-8360 Yongchul Jung verfasserin aut Scalable ESPRIT Processor for Direction-of-Arrival Estimation of Frequency Modulated Continuous Wave Radar 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The estimation of signal parameters via rotational invariance techniques (ESPRIT) is an algorithm that uses the shift-invariant properties of the array antenna to estimate the direction-of-arrival (DOA) of signals received in the array antenna. Since the ESPRIT algorithm requires high-complexity operations such as covariance matrix and eigenvalue decomposition, a hardware processor must be implemented such that the DOA is estimated in real time. Additionally, the ESPRIT processor should support a scalable number of antenna configuration for DOA estimation in various applications because the performance of ESPRIT depends on the number of antennas. Therefore, we propose an ESPRIT processor that supports two to eight scalable antenna configuration. In addition, since the proposed ESPRIT processor is based on multiple invariances (MI) algorithm, it can achieve a much better performance than the existing ESPRIT processor. The execution time is reduced by simplifying the Jacobi method, which has the most significant computational complexity for calculating eigenvalue decomposition (EVD) in ESPRIT. Moreover, the ESPRIT processor was designed using hardware description language (HDL), and an FPGA-based verification was performed. The proposed ESPRIT processor was implemented with 10,088 slice registers, 18,207 LUTs, and 80 DSPs, and the slice register, LUT, and DSP were reduced by up to 71.45%, 54.5%, and 68.38%, respectively, compared to the existing structure. direction-of-arrival (DOA) estimation of signal parameters via rotational invariance techniques (ESPRIT) Jacobi method multiple invariances (MI)-ESPRIT uniform linear array (ULA) Electronics Hohyub Jeon verfasserin aut Seongjoo Lee verfasserin aut Yunho Jung verfasserin aut In Electronics MDPI AG, 2013 10(2021), 6, p 695 (DE-627)718626478 (DE-600)2662127-7 20799292 nnns volume:10 year:2021 number:6, p 695 https://doi.org/10.3390/electronics10060695 kostenfrei https://doaj.org/article/76f9627963d6479db86d48efcaf84d58 kostenfrei https://www.mdpi.com/2079-9292/10/6/695 kostenfrei https://doaj.org/toc/2079-9292 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 10 2021 6, p 695
allfieldsGer	10.3390/electronics10060695 doi (DE-627)DOAJ023992379 (DE-599)DOAJ76f9627963d6479db86d48efcaf84d58 DE-627 ger DE-627 rakwb eng TK7800-8360 Yongchul Jung verfasserin aut Scalable ESPRIT Processor for Direction-of-Arrival Estimation of Frequency Modulated Continuous Wave Radar 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The estimation of signal parameters via rotational invariance techniques (ESPRIT) is an algorithm that uses the shift-invariant properties of the array antenna to estimate the direction-of-arrival (DOA) of signals received in the array antenna. Since the ESPRIT algorithm requires high-complexity operations such as covariance matrix and eigenvalue decomposition, a hardware processor must be implemented such that the DOA is estimated in real time. Additionally, the ESPRIT processor should support a scalable number of antenna configuration for DOA estimation in various applications because the performance of ESPRIT depends on the number of antennas. Therefore, we propose an ESPRIT processor that supports two to eight scalable antenna configuration. In addition, since the proposed ESPRIT processor is based on multiple invariances (MI) algorithm, it can achieve a much better performance than the existing ESPRIT processor. The execution time is reduced by simplifying the Jacobi method, which has the most significant computational complexity for calculating eigenvalue decomposition (EVD) in ESPRIT. Moreover, the ESPRIT processor was designed using hardware description language (HDL), and an FPGA-based verification was performed. The proposed ESPRIT processor was implemented with 10,088 slice registers, 18,207 LUTs, and 80 DSPs, and the slice register, LUT, and DSP were reduced by up to 71.45%, 54.5%, and 68.38%, respectively, compared to the existing structure. direction-of-arrival (DOA) estimation of signal parameters via rotational invariance techniques (ESPRIT) Jacobi method multiple invariances (MI)-ESPRIT uniform linear array (ULA) Electronics Hohyub Jeon verfasserin aut Seongjoo Lee verfasserin aut Yunho Jung verfasserin aut In Electronics MDPI AG, 2013 10(2021), 6, p 695 (DE-627)718626478 (DE-600)2662127-7 20799292 nnns volume:10 year:2021 number:6, p 695 https://doi.org/10.3390/electronics10060695 kostenfrei https://doaj.org/article/76f9627963d6479db86d48efcaf84d58 kostenfrei https://www.mdpi.com/2079-9292/10/6/695 kostenfrei https://doaj.org/toc/2079-9292 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 10 2021 6, p 695
allfieldsSound	10.3390/electronics10060695 doi (DE-627)DOAJ023992379 (DE-599)DOAJ76f9627963d6479db86d48efcaf84d58 DE-627 ger DE-627 rakwb eng TK7800-8360 Yongchul Jung verfasserin aut Scalable ESPRIT Processor for Direction-of-Arrival Estimation of Frequency Modulated Continuous Wave Radar 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The estimation of signal parameters via rotational invariance techniques (ESPRIT) is an algorithm that uses the shift-invariant properties of the array antenna to estimate the direction-of-arrival (DOA) of signals received in the array antenna. Since the ESPRIT algorithm requires high-complexity operations such as covariance matrix and eigenvalue decomposition, a hardware processor must be implemented such that the DOA is estimated in real time. Additionally, the ESPRIT processor should support a scalable number of antenna configuration for DOA estimation in various applications because the performance of ESPRIT depends on the number of antennas. Therefore, we propose an ESPRIT processor that supports two to eight scalable antenna configuration. In addition, since the proposed ESPRIT processor is based on multiple invariances (MI) algorithm, it can achieve a much better performance than the existing ESPRIT processor. The execution time is reduced by simplifying the Jacobi method, which has the most significant computational complexity for calculating eigenvalue decomposition (EVD) in ESPRIT. Moreover, the ESPRIT processor was designed using hardware description language (HDL), and an FPGA-based verification was performed. The proposed ESPRIT processor was implemented with 10,088 slice registers, 18,207 LUTs, and 80 DSPs, and the slice register, LUT, and DSP were reduced by up to 71.45%, 54.5%, and 68.38%, respectively, compared to the existing structure. direction-of-arrival (DOA) estimation of signal parameters via rotational invariance techniques (ESPRIT) Jacobi method multiple invariances (MI)-ESPRIT uniform linear array (ULA) Electronics Hohyub Jeon verfasserin aut Seongjoo Lee verfasserin aut Yunho Jung verfasserin aut In Electronics MDPI AG, 2013 10(2021), 6, p 695 (DE-627)718626478 (DE-600)2662127-7 20799292 nnns volume:10 year:2021 number:6, p 695 https://doi.org/10.3390/electronics10060695 kostenfrei https://doaj.org/article/76f9627963d6479db86d48efcaf84d58 kostenfrei https://www.mdpi.com/2079-9292/10/6/695 kostenfrei https://doaj.org/toc/2079-9292 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 10 2021 6, p 695
language	English
source	In Electronics 10(2021), 6, p 695 volume:10 year:2021 number:6, p 695
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topic_facet	direction-of-arrival (DOA) estimation of signal parameters via rotational invariance techniques (ESPRIT) Jacobi method multiple invariances (MI)-ESPRIT uniform linear array (ULA) Electronics
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callnumber-first	T - Technology
author	Yongchul Jung
spellingShingle	Yongchul Jung misc TK7800-8360 misc direction-of-arrival (DOA) misc estimation of signal parameters via rotational invariance techniques (ESPRIT) misc Jacobi method misc multiple invariances (MI)-ESPRIT misc uniform linear array (ULA) misc Electronics Scalable ESPRIT Processor for Direction-of-Arrival Estimation of Frequency Modulated Continuous Wave Radar
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topic_title	TK7800-8360 Scalable ESPRIT Processor for Direction-of-Arrival Estimation of Frequency Modulated Continuous Wave Radar direction-of-arrival (DOA) estimation of signal parameters via rotational invariance techniques (ESPRIT) Jacobi method multiple invariances (MI)-ESPRIT uniform linear array (ULA)
topic	misc TK7800-8360 misc direction-of-arrival (DOA) misc estimation of signal parameters via rotational invariance techniques (ESPRIT) misc Jacobi method misc multiple invariances (MI)-ESPRIT misc uniform linear array (ULA) misc Electronics
topic_unstemmed	misc TK7800-8360 misc direction-of-arrival (DOA) misc estimation of signal parameters via rotational invariance techniques (ESPRIT) misc Jacobi method misc multiple invariances (MI)-ESPRIT misc uniform linear array (ULA) misc Electronics
topic_browse	misc TK7800-8360 misc direction-of-arrival (DOA) misc estimation of signal parameters via rotational invariance techniques (ESPRIT) misc Jacobi method misc multiple invariances (MI)-ESPRIT misc uniform linear array (ULA) misc Electronics
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title	Scalable ESPRIT Processor for Direction-of-Arrival Estimation of Frequency Modulated Continuous Wave Radar
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title_full	Scalable ESPRIT Processor for Direction-of-Arrival Estimation of Frequency Modulated Continuous Wave Radar
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author_browse	Yongchul Jung Hohyub Jeon Seongjoo Lee Yunho Jung
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title_sort	scalable esprit processor for direction-of-arrival estimation of frequency modulated continuous wave radar
callnumber	TK7800-8360
title_auth	Scalable ESPRIT Processor for Direction-of-Arrival Estimation of Frequency Modulated Continuous Wave Radar
abstract	The estimation of signal parameters via rotational invariance techniques (ESPRIT) is an algorithm that uses the shift-invariant properties of the array antenna to estimate the direction-of-arrival (DOA) of signals received in the array antenna. Since the ESPRIT algorithm requires high-complexity operations such as covariance matrix and eigenvalue decomposition, a hardware processor must be implemented such that the DOA is estimated in real time. Additionally, the ESPRIT processor should support a scalable number of antenna configuration for DOA estimation in various applications because the performance of ESPRIT depends on the number of antennas. Therefore, we propose an ESPRIT processor that supports two to eight scalable antenna configuration. In addition, since the proposed ESPRIT processor is based on multiple invariances (MI) algorithm, it can achieve a much better performance than the existing ESPRIT processor. The execution time is reduced by simplifying the Jacobi method, which has the most significant computational complexity for calculating eigenvalue decomposition (EVD) in ESPRIT. Moreover, the ESPRIT processor was designed using hardware description language (HDL), and an FPGA-based verification was performed. The proposed ESPRIT processor was implemented with 10,088 slice registers, 18,207 LUTs, and 80 DSPs, and the slice register, LUT, and DSP were reduced by up to 71.45%, 54.5%, and 68.38%, respectively, compared to the existing structure.
abstractGer	The estimation of signal parameters via rotational invariance techniques (ESPRIT) is an algorithm that uses the shift-invariant properties of the array antenna to estimate the direction-of-arrival (DOA) of signals received in the array antenna. Since the ESPRIT algorithm requires high-complexity operations such as covariance matrix and eigenvalue decomposition, a hardware processor must be implemented such that the DOA is estimated in real time. Additionally, the ESPRIT processor should support a scalable number of antenna configuration for DOA estimation in various applications because the performance of ESPRIT depends on the number of antennas. Therefore, we propose an ESPRIT processor that supports two to eight scalable antenna configuration. In addition, since the proposed ESPRIT processor is based on multiple invariances (MI) algorithm, it can achieve a much better performance than the existing ESPRIT processor. The execution time is reduced by simplifying the Jacobi method, which has the most significant computational complexity for calculating eigenvalue decomposition (EVD) in ESPRIT. Moreover, the ESPRIT processor was designed using hardware description language (HDL), and an FPGA-based verification was performed. The proposed ESPRIT processor was implemented with 10,088 slice registers, 18,207 LUTs, and 80 DSPs, and the slice register, LUT, and DSP were reduced by up to 71.45%, 54.5%, and 68.38%, respectively, compared to the existing structure.
abstract_unstemmed	The estimation of signal parameters via rotational invariance techniques (ESPRIT) is an algorithm that uses the shift-invariant properties of the array antenna to estimate the direction-of-arrival (DOA) of signals received in the array antenna. Since the ESPRIT algorithm requires high-complexity operations such as covariance matrix and eigenvalue decomposition, a hardware processor must be implemented such that the DOA is estimated in real time. Additionally, the ESPRIT processor should support a scalable number of antenna configuration for DOA estimation in various applications because the performance of ESPRIT depends on the number of antennas. Therefore, we propose an ESPRIT processor that supports two to eight scalable antenna configuration. In addition, since the proposed ESPRIT processor is based on multiple invariances (MI) algorithm, it can achieve a much better performance than the existing ESPRIT processor. The execution time is reduced by simplifying the Jacobi method, which has the most significant computational complexity for calculating eigenvalue decomposition (EVD) in ESPRIT. Moreover, the ESPRIT processor was designed using hardware description language (HDL), and an FPGA-based verification was performed. The proposed ESPRIT processor was implemented with 10,088 slice registers, 18,207 LUTs, and 80 DSPs, and the slice register, LUT, and DSP were reduced by up to 71.45%, 54.5%, and 68.38%, respectively, compared to the existing structure.
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container_issue	6, p 695
title_short	Scalable ESPRIT Processor for Direction-of-Arrival Estimation of Frequency Modulated Continuous Wave Radar
url	https://doi.org/10.3390/electronics10060695 https://doaj.org/article/76f9627963d6479db86d48efcaf84d58 https://www.mdpi.com/2079-9292/10/6/695 https://doaj.org/toc/2079-9292
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author2	Hohyub Jeon Seongjoo Lee Yunho Jung
author2Str	Hohyub Jeon Seongjoo Lee Yunho Jung
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doi_str	10.3390/electronics10060695
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up_date	2024-07-03T20:36:52.100Z
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Scalable ESPRIT Processor for Direction-of-Arrival Estimation of Frequency Modulated Continuous Wave Radar

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