Impact of DME/TACAN on GNSS L5/E5a Receiver

被引：7
|
作者：
Garcia-Pena, Axel [1 ]
Macabiau, Christophe [1 ]
Julien, Olivier [2 ]
Mabilleau, Mikael [3 ]
Durel, Pierre [3 ]
机构：
[1] ENAC, Toulouse, France
[2] U Blox AG, Thalwil, Switzerland
[3] GSA, Washington, DC USA
来源：
PROCEEDINGS OF THE 2020 INTERNATIONAL TECHNICAL MEETING OF THE INSTITUTE OF NAVIGATION | 2020年
关键词：
D O I：
10.33012/2020.17207
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
GNSS L5/E5a interference environment is dominated by DME/TACAN and JTIDS/MIDS pulses causing a degradation of the effective C/N0 observed by the receiver. A time-domain blanker is implemented to mitigate their impact. RTCA DO-292 proposes a model to compute the C/N0 degradation of the received useful signal by the increase of the noise PSD. This paper focuses on the impact of DME/TACAN RFI signals. Simulated results as well as predicted results are presented for US and Europe scenarios. The predicted results are calculated from an updated C/N0 degradation formula with respect to RTCA DO-292 proposed formula. The impact of GNSS receiver RFFE filter bandwidth and blanker threshold are evaluated.
引用
收藏
页码：207 / 221
页数：15
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