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A Study on Automatic Surveillance System using VHF Data Link Protocol  

장동원 (한국전자통신연구원)
조평동 (한국전자통신연구원)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.6, no.7, 2002 , pp. 1026-1031 More about this Journal
Abstract
In this Paper, We analysed the technical characteristics of a automatic identification system that will introduce in aviation and marine radio stations. IMO's Marine Safety Committee approved revision of chapter V of the Safety of Life at Sea(SOLAS) Convention in 73rd meeting. According to this, AIS will become a mandatory carriage requirement by 01 July 2002. AIS as a surveillance system continuously receives its own position from the GNSS and then repeatedly broadcasts it on a W:.u data link for avoiding traffic conflicts and possible disasters. VHF data link is organized so that a specified number of time slots make up a repeatable frame. Each radio station can autonomously allocate and deallocate slots within the frame using selection algorithm which is called SOTDMA(Self-Organized Time Division Multiple Access). The results can be an aid in the continued of understanding technical characteristics for AIS as a broad surveillance system.
Keywords
SOTDMA; AIS; SOLAS;
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  • Reference
1 Rikard Kjellberg, Capacity and Throughput using a Self-organized Time Division Multiple Access VHF Data Link in Surveillance Applications, Royal Institute of Technology, Sweden, 2000
2 장동원 외, SOLAS AIS의 기술적 특성 분석 연구, 한국해양정보통신학회 춘계발표회, 2002
3 IEC 61993-Part 2, Universal Shipborne Automatic Identification System (AIS) - Operational and performance requirements, methods of testing and required test results, 2001
4 Recommendation ITU-R M.1371, Technical characteristics for a universal shipborne automatic identification system using time division multiple access in the VHF maritime mobile band, 2000