Simulation of Space and Ground-Based Aviation Surveillance Systems Functioning

Q3 Mathematics SPIIRAS Proceedings Pub Date : 2018-12-01 DOI:10.15622/SP.61.2
Ya. A. Skorokhodov
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引用次数: 1

Abstract

At present, the orbital constellations of satellites with the possibility of receiving, processing and relaying the ADS-B («Automatic Dependent Surveillance — Broadcast») system signals that ensure globality and continuity of the air traffic monitoring are being created and gradually enhanced. In accordance with the concept of ADS-B technology usage , each air traffic participant broadcasts its identity, location, and status parameters in broadcast mode. Due to the fact that the system was not designed to receive signals onboard the satellite, there are certain problems related to their energy availability, the presence of collisions of messages from different sources, the effect of Doppler effect and other factors. Developed simulation model of aviation surveillance systems based on the reception of signals containing identification and navigation information and transmitted over the air in the broadcasting mode. Software-implemented simulation algorithms allow to set various constraints and assumptions (radiation sources distribution, aviation communication systems signals receiving points, information transmitting channel, signals frequency and duration distribution models) and obtain the target indicators estimates of the space and ground-based aviation surveillance systems functioning, taking into account various spatial and energy factors and conditions for the radio signals propagation, and controlled objects actual placement and their movement dynamics in the world airspace. Simulation model use methods and examples for calculating the space and ground aviation surveillance systems functioning target indicators are presented.
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空间和地面航空监视系统功能模拟
目前,能够接收、处理和转发ADS-B(“自动相关监视-广播”)系统信号的轨道卫星群正在建立并逐步增强,以确保空中交通监测的全球性和连续性。根据ADS-B技术使用的概念,每个空中交通参与者以广播方式广播自己的身份、位置和状态参数。由于该系统不是为接收卫星上的信号而设计的,因此存在与能量可用性、不同来源的信息碰撞、多普勒效应和其他因素有关的某些问题。建立了基于接收包含识别和导航信息的信号并以广播方式在空中传输的航空监视系统仿真模型。软件实现的仿真算法允许设置各种约束和假设(辐射源分布、航空通信系统信号接收点、信息发射信道、信号频率和持续时间分布模型),并获得空间和地面航空监视系统功能的目标指标估计,同时考虑到无线电信号传播的各种空间和能量因素和条件。以及被控制对象在世界空域中的实际位置和运动动态。给出了空间和地面航空监视系统功能目标指标的仿真模型、计算方法和算例。
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来源期刊
SPIIRAS Proceedings
SPIIRAS Proceedings Mathematics-Applied Mathematics
CiteScore
1.90
自引率
0.00%
发文量
0
审稿时长
14 weeks
期刊介绍: The SPIIRAS Proceedings journal publishes scientific, scientific-educational, scientific-popular papers relating to computer science, automation, applied mathematics, interdisciplinary research, as well as information technology, the theoretical foundations of computer science (such as mathematical and related to other scientific disciplines), information security and information protection, decision making and artificial intelligence, mathematical modeling, informatization.
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