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http://dx.doi.org/10.7837/kosomes.2021.27.6.808

Analysis of the Suitability of Japan's Regional Navigation Satellite System for Domestic Navigation  

PARK, Sang Hyun (Maritime PNT Research Office)
LEE, Jong Cheol (National Maritime PNT Office)
Publication Information
Journal of the Korean Society of Marine Environment & Safety / v.27, no.6, 2021 , pp. 808-814 More about this Journal
Abstract
The International Maritime Organization (IMO) explicitly stipulates the required performance of satellite based radio-navigation systems available for navigational purposes. Until 2019, the IMO had only recognized systems that could be serviced globally for satellite based radio-navigation. However, India's regional navigation satellite system has been approved recently, and other regional navigation satellite systems have also been made available for maritime navigation. Thus far, the IMO has approved the use of a total of five satellite navigation systems, such as the GPS, GLONASS, Galileo, BeiDou, and NavIC. In Korea, in addition to the four satellite based radio-navigation systems that are used excluding NavIC, Japan's regional navigation satellite system that has not yet been approved can be received. Japan has requested the IMO to recognize the QZSS as a WWRNS to formalize its use for ocean navigations. Given that the service coverage of the QZSS is not limited to Japanese territorial waters and also includes Korean waters, the suitability analysis of the QZSS for domestic navigation is important for maritime safety. This study aims to analyze the suitability of using the QZSS for domestic navigation. Accordingly, this work explores the status and plans of the QZSS as well as the performance required by the IMO for recognition as a WWRNS. The methods and environmental conditions examined in this work are described, and the analyzed results are presented in terms of positioning accuracy and availability.
Keywords
Regional navigation satellite system; QZSS; International Maritime Organization; Positioning accuracy; Availability;
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Times Cited By KSCI : 1  (Citation Analysis)
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