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首页> 外文期刊>Proceedings of the IEEE >Protecting GNSS Receivers From Jamming and Interference
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Protecting GNSS Receivers From Jamming and Interference

机译：保护GNSS接收器免受干扰和干扰

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摘要

Critical government and industry sectors (such as law enforcement, transportation, communication, and finance) are growing increasingly dependent on Global Navigation Satellite Systems (GNSS) for positioning, navigation, and timing. At the same time, the availability of low-cost GNSS jamming devices are presenting a serious threat to GNSS and increasing the likelihood of outages to infrastructures relying on GNSS. The attacks range from malicious parties intentionally jamming GNSS signals within a targeted geographical region to uninformed users causing accidental interference. This paper is an overview of different approaches adopted to date to mitigate GNSS disruption caused by intentional and unintentional jamming. The first approach outlined in this paper is the use of inertial systems to aid GNSS. The second and third approaches are the filtering of jamming/interference in the spatial and time-frequency domains, respectively. The fourth approach is vector tracking of GNSS signals in the receiver.
机译：关键的政府和行业部门（例如执法，运输，通信和金融）越来越依赖全球导航卫星系统（GNSS）进行定位，导航和授时。同时，低成本GNSS干扰设备的可用性对GNSS构成了严重威胁，并增加了依赖GNSS的基础设施中断的可能性。攻击的范围从恶意方故意将GNSS信号干扰到目标地理区域到不知情的用户造成意外干扰。本文概述了迄今为止为缓解有意和无意干扰造成的GNSS干扰而采用的不同方法。本文概述的第一种方法是使用惯性系统辅助GNSS。第二种方法和第三种方法分别是在空间和时频域中过滤干扰/干扰。第四种方法是在接收机中对GNSS信号进行矢量跟踪。

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