Area-Efficient Universal Code Generator for GPS L1C and BDS B1C Signals

Recently, multi-frequency multi-constellation receivers have been actively studied, which are single receivers that process multiple global navigation satellite system (GNSS) signals for high accuracy and reliability. However, in order for a single receiver to process multiple GNSS signals, it requi...

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Autores principales:	Jiwoon Park, Minsu Kim, Gwanghee Jo, Hoyoung Yoo
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	universal code generator Legendre sequence multi-constellation GPS L1C BDS B1C Electronics TK7800-8360
Acceso en línea:	https://doaj.org/article/a751a80a3b1440a8a558a89c3d351376
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spelling	oai:doaj.org-article:a751a80a3b1440a8a558a89c3d3513762021-11-25T17:24:07ZArea-Efficient Universal Code Generator for GPS L1C and BDS B1C Signals10.3390/electronics102227372079-9292https://doaj.org/article/a751a80a3b1440a8a558a89c3d3513762021-11-01T00:00:00Zhttps://www.mdpi.com/2079-9292/10/22/2737https://doaj.org/toc/2079-9292Recently, multi-frequency multi-constellation receivers have been actively studied, which are single receivers that process multiple global navigation satellite system (GNSS) signals for high accuracy and reliability. However, in order for a single receiver to process multiple GNSS signals, it requires as many code generators as the number of supported GNSS signals, and this is one of the problems that must be solved in implementing an efficient multi-frequency multi-constellation receiver. This paper proposes an area-efficient universal code generator that can support both GPS L1C signals and BDS B1C signals. The proposed architecture alleviates the area problem by sharing common hardware in a time-multiplex mode without degrading the overall system performance. According to the result of the synthesis using the CMOS 65 nm process, the proposed universal code generator has an area reduced by 98%, 93%, and 60% compared to the previous memory-based universal code generator (MB UCG), the Legendre-generation universal code generator (LG UCG), and the Weil-generation universal code generator (WG UCG), respectively. Furthermore, the proposed generator is applicable to all Legendre sequence-based codes.Jiwoon ParkMinsu KimGwanghee JoHoyoung YooMDPI AGarticleuniversal code generatorLegendre sequencemulti-constellationGPS L1CBDS B1CElectronicsTK7800-8360ENElectronics, Vol 10, Iss 2737, p 2737 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	universal code generator Legendre sequence multi-constellation GPS L1C BDS B1C Electronics TK7800-8360
spellingShingle	universal code generator Legendre sequence multi-constellation GPS L1C BDS B1C Electronics TK7800-8360 Jiwoon Park Minsu Kim Gwanghee Jo Hoyoung Yoo Area-Efficient Universal Code Generator for GPS L1C and BDS B1C Signals
description	Recently, multi-frequency multi-constellation receivers have been actively studied, which are single receivers that process multiple global navigation satellite system (GNSS) signals for high accuracy and reliability. However, in order for a single receiver to process multiple GNSS signals, it requires as many code generators as the number of supported GNSS signals, and this is one of the problems that must be solved in implementing an efficient multi-frequency multi-constellation receiver. This paper proposes an area-efficient universal code generator that can support both GPS L1C signals and BDS B1C signals. The proposed architecture alleviates the area problem by sharing common hardware in a time-multiplex mode without degrading the overall system performance. According to the result of the synthesis using the CMOS 65 nm process, the proposed universal code generator has an area reduced by 98%, 93%, and 60% compared to the previous memory-based universal code generator (MB UCG), the Legendre-generation universal code generator (LG UCG), and the Weil-generation universal code generator (WG UCG), respectively. Furthermore, the proposed generator is applicable to all Legendre sequence-based codes.
format	article
author	Jiwoon Park Minsu Kim Gwanghee Jo Hoyoung Yoo
author_facet	Jiwoon Park Minsu Kim Gwanghee Jo Hoyoung Yoo
author_sort	Jiwoon Park
title	Area-Efficient Universal Code Generator for GPS L1C and BDS B1C Signals
title_short	Area-Efficient Universal Code Generator for GPS L1C and BDS B1C Signals
title_full	Area-Efficient Universal Code Generator for GPS L1C and BDS B1C Signals
title_fullStr	Area-Efficient Universal Code Generator for GPS L1C and BDS B1C Signals
title_full_unstemmed	Area-Efficient Universal Code Generator for GPS L1C and BDS B1C Signals
title_sort	area-efficient universal code generator for gps l1c and bds b1c signals
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/a751a80a3b1440a8a558a89c3d351376
work_keys_str_mv	AT jiwoonpark areaefficientuniversalcodegeneratorforgpsl1candbdsb1csignals AT minsukim areaefficientuniversalcodegeneratorforgpsl1candbdsb1csignals AT gwangheejo areaefficientuniversalcodegeneratorforgpsl1candbdsb1csignals AT hoyoungyoo areaefficientuniversalcodegeneratorforgpsl1candbdsb1csignals
_version_	1718412426304552960

Area-Efficient Universal Code Generator for GPS L1C and BDS B1C Signals

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