Analysis of Two Monopole Antennas Placement on Satellite for AIS Signal Reception

2019 IEEE International Conference on Aerospace Electronics and Remote Sensing Technology (ICARES) Pub Date : 2019-10-01 DOI:10.1109/ICARES.2019.8914340

Nurul Fadilah, I. Choiriyah, Nayla Najati

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引用次数: 2

Abstract

Receiving AIS (Automatic Identification System) signal using satellite makes it possible to track the seafaring vessels beyond coastal areas that cannot be covered by ground AIS receiver that have limitation in coverage. Based on IALA (International Association of Maritime Aids to Navigation and Lighthouse Authorities), AIS has a purpose to enhance the maritime safety and navigation efficiency, the marine environment protection. LAPAN-A2 and LAPAN-A3 have been constructed by LAPAN (National Institute of Aeronautics and Space). LAPAN-A2 and LAPAN-A3 carry AIS Receiver as one of the payloads to monitoring ship. Next-generation satellite of LAPAN will also carry AIS receiver as one of the payloads. This AIS receiver is an improvement from AIS Receiver that carried in LAPAN-A2 and LAPAN-A3. To improve the AIS reception in next-generation satellites, the satellite will carry two VHF antenna. This paper simulated the radiation pattern of the VHF antenna to know the direction of the radiated signal, the coverage of AIS signal reception by the satellite and the link budget to receive the AIS signal.

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卫星上放置双单极天线用于AIS信号接收的分析

利用卫星接收AIS(自动识别系统)信号，可以对覆盖范围有限的地面AIS接收机无法覆盖的沿海地区以外的航海船只进行跟踪。基于IALA(国际海上助航和灯塔当局协会)，AIS的目的是提高海上安全和航行效率，保护海洋环境。LAPAN- a2和LAPAN- a3由LAPAN(国家航空航天研究所)建造。LAPAN-A2和LAPAN-A3携带AIS接收机作为有效载荷之一到监视船。下一代LAPAN卫星也将携带AIS接收机作为有效载荷之一。该AIS接收机是在LAPAN-A2和LAPAN-A3机载AIS接收机基础上改进而成的。为了提高下一代卫星的AIS接收能力，卫星将携带两个甚高频天线。本文模拟了VHF天线的辐射方向图，了解了辐射信号的方向、卫星接收AIS信号的覆盖范围以及接收AIS信号的链路预算。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2019 IEEE International Conference on Aerospace Electronics and Remote Sensing Technology (ICARES)

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