Opportunistic-Target-Measurement-Based Narrowband Statistical Modeling of Civil Aviation Surveillance Signal at 1090 MHz

Opportunistic-Target-Measurement-Based Narrowband Statistical Modeling of Civil Aviation Surveillance Signal at 1090 MHz
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基于机会目标测量的 1090 MHz 民航监视信号窄带统计建模

DOI:
10.1109/tap.2019.2949365
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发表时间:
2020
影响因子:
5.7
通讯作者:
MIYAZAKI Hiromi
MIYAZAKI Hiromi
中科院分区:
计算机科学2区
文献类型:
--
作者:
NAGANAWA Junichi;MIYAZAKI Hiromi

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自动相关监视广播(ADS-B)是用于空中交通管制的下一代航空监视系统之一。ADS-B要求飞机定期向其他飞机和地面站广播自己的位置,从而实现高性能监视。在这项研究中,测量了ADS-B信号的接收信号强度(RSS),并对机会性飞行进行了表征。单个飞机的RSS分布被建模为三个分量的总和:标称RSS、等效各向同性辐射功率(EIRP)的偏差和衰落。考虑到不同飞机的EIRP偏差和衰落参数不同,定义了多架飞机的RSS分布。为此,采用了复合分布,其参数是从偏差和衰落统计中估计的。在此基础上,给出了该模型的一个实用近似。该模型适用于大规模数据,能够实现逐机分析。此外,它还可以对RSS分布的形成机制提供清晰的解释。
Automatic dependent surveillance-broadcast (ADS-B) is one of the next-generation aeronautical surveillance systems for air traffic control. ADS-B requires an aircraft to periodically broadcast its own position to other aircraft and ground stations, thereby enabling high-performance surveillance. In this study, the received signal strength (RSS) of the ADS-B signal was measured and characterized for opportunistic flights. The RSS distribution for a single aircraft was modeled as a sum of three components: nominal RSS, bias in the equivalent isotropically radiated power (EIRP), and fading. Then, the RSS distribution for multiple aircraft was defined, considering that the EIRP bias and fading parameter are different for different aircraft. To this end, a composite distribution was employed, the parameters of which were estimated from the bias and fading statistics. Furthermore, a practical approximation of the model was proposed. The proposed model is suitable for large-scale data, enabling the realization of aircraft-by-aircraft analysis. Also, it can provide a clear explanation of the mechanism by which the RSS distribution is formed.
利用空中UAT/ADS-B信号模拟3D航空天气信息
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