Time-Frequency Excision for GNSS Applications

Interference detection and mitigation in global navigation satellite systems (GNSSs) are important issues for both military and civilian applications. In this paper, a novel time-frequency algorithm for GNSS application is proposed. The use of infinite impulse-response notch filters for the interfer...

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Bibliographic Details
Published in:IEEE systems journal 2008-03, Vol.2 (1), p.27-37
Main Authors: Borio, D., Camoriano, L., Savasta, S., Lo Presti, L.
Format: Article
Language:English
Subjects:
Algorithms
Bandwidth
Computer simulation
Finite impulse response filter
Frequency estimation
Global navigation satellite system
Global Navigation Satellite System (GNSS)
Global Positioning System
GNSS
IIR filters
Interference
Mathematical analysis
Military
Notch filters
receiver operating characteristic (ROC)
Satellite navigation systems
signal acquisition
Signal analysis
Spread spectrum communication
Time frequency analysis
time-frequency (TF) analysis
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Summary:Interference detection and mitigation in global navigation satellite systems (GNSSs) are important issues for both military and civilian applications. In this paper, a novel time-frequency algorithm for GNSS application is proposed. The use of infinite impulse-response notch filters for the interference excision is introduced and analytical formulas for the detection of the disturbing signals are derived. The proposed method is tested by simulations and compared with time-frequency excision algorithms reported in literature, proving its effectiveness for interference removal.
ISSN:1932-8184
1937-9234
DOI:10.1109/JSYST.2007.914914