Interference Study of 5G System on Civil Aircraft Airborne Beidou RDSS System in Takeoff and Landing Phase

被引:1
|
作者
Chen, Wantong [1 ,2 ]
Tian, Yuyin [2 ]
Sun, Shuguang [2 ]
Liu, Ruihua [2 ]
机构
[1] Civil Aviat Univ China, Key Lab Civil Aircraft Airworthiness Technol, Tianjin 300300, Peoples R China
[2] Civil Aviat Univ China, Sch Elect Informat & Automat, Tianjin 300300, Peoples R China
基金
中国国家自然科学基金;
关键词
BeiDou radio determination service; 5G base station; interference analysis; civil aviation security;
D O I
10.3390/aerospace11070522
中图分类号
V [航空、航天];
学科分类号
08 ; 0825 ;
摘要
Radio Determination Satellite Service (RDSS) is a characteristic service of BeiDou, which can provide users with short message communication services. Since the working frequency of an RDSS system is close to that of a 5G system, the RDSS system is very susceptible to interference from 5G out-of-band radiation. This paper analyzes the compatibility of 5G interference with an RDSS system from the perspective of the signal and the system. Firstly, the compatibility assessment is carried out from the perspective of the signal, the impact of interference on the capture and tracking performance of BeiDou is illustrated, and the safe coexistence distance of the two systems from the perspective of capture probability is obtained from the perspective of the signal. Subsequently, based on the link budget criterion, the interference of 5G base stations and 5G terminals to RDSS receivers under different frequency isolation and the required distance isolation for safe coexistence are analyzed from the system perspective. Finally, from the perspective of civil aviation safety, the aggregate interference is used as an evaluation index to evaluate the interference suffered by the aircraft during takeoff and landing and to obtain the interference suffered by the ground-based 5G base station during the takeoff and landing of the aircraft on different routes and in different 5G propagation environments. The simulation results show that when the airplane is closer to the ground, the ground 5G base stations will cause harmful interference to the RDSS receiver. In this study, the real flight data are combined with the simulation model to obtain the exact influence range of 5G interference on the RDSS system under different viewpoints.
引用
收藏
页数:19
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