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A Design of Anti-jamming Method Based on Spectrum Sensing and GNSS Software Defined Radio
2019
E3S Web of Conferences
This paper presents result of new approach for anti-jamming using a method based on cognitive radio. ...
And detected center frequency and bandwidth is used to select LO frequency to avoid jamming and receive GNSS signal. Then the receiver is reconfigured by the selected LO frequency. ...
Acknowledgments This work has been supported by the National GNSS Research Center program of Defense Acquisition Program Administration and Agency for Defense Development. ...
doi:10.1051/e3sconf/20199403004
fatcat:oviig2vccvhs7d3w5k3njpfzve
GNSS-ISE: Instruction Set Extension for GNSS Baseband Processing
2020
Sensors
The authors introduce improved mechanisms for instruction set generation focused on multi-channel processing. ...
The analytical approach used by the authors leads to the introduction of a GNSS-instruction set extension (ISE) for GNSS baseband processing. ...
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/s20020465
pmid:31947573
pmcid:PMC7027023
fatcat:ih7weplbn5hg5fgcoxshrrygny
The Use of Computer Models in the Software and Hardware Complex of Research Methods of Navigation Spacecrafts
2016
Journal of Siberian Federal University Engineering & Technologies
Keywords: GNSS Receiver, hardware-software complex, computer model, geostationary orbit. Citation: Bondarev V.N., Dmitriev D.D., Kremez N.N., Tyapkin V.N. ...
A description and capabilities developed computer models on research of methods developed highprecision navigation used in the software and hardware complex modeling processes positioning and measurement ...
Acknowledgment The work was supported by the Ministry of Education and Science of the Russian Federation (agreement № 14.575.21.0081, unique ID project RFMEFI57514X0081). ...
doi:10.17516/1999-494x-2016-9-3-302-309
fatcat:qdxbwlcnabcnlmrfloeswvnhd4
Heuristic search for multi‐distance measuring equipment station selection
2022
IET radar, sonar & navigation
Different from the existing station selection methods that have been proposed for DME/DME, a station selection method for multi-DME should be considered in order to prevent unnecessary emission of navigation ...
A station selection method for multi-DME is proposed based on the heuristic search. Meanwhile, the degradation of GNSS L5/E5a signal processing that is caused by DME signals is discussed. ...
CONFLICT OF INTEREST The authors have no conflicts of interest to declare.
DATA AVAILABILITY STATEMENT The data that support the findings of this study are available from EUROCONTROL. ...
doi:10.1049/rsn2.12206
fatcat:des66ukqqnfqxl5vn3d3bvsbiq
Interferometric Phase Error Analysis and Compensation in GNSS-InSAR: A Case Study of Structural Monitoring
2021
Remote Sensing
Global navigation satellite system (GNSS)-based synthetic aperture radar interferometry (InSAR) employs GNSS satellites as transmitters of opportunity and a fixed receiver with two channels, i.e., direct ...
The repeat-pass concept is adopted in GNSS-based InSAR to retrieve the deformation of the target area, and it has inherited advantages from the GNSS system, such as a short repeat-pass period and multi-angle ...
Acknowledgments: The authors would like to thank the editor and anonymous reviewers for their helpful comments and suggestions.
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/rs13153041
fatcat:gswxdtglsbarxesqdcnndey2x4
Advanced and versatile signal conditioning for GNSS receivers using the high‐rate DFT‐based data manipulator (HDDM)
2021
Navigation
Proper signal conditioning is crucial for reliable Global Navigation Satellite System (GNSS) navigation. ...
It emphasizes the benefits of a single architecture to simultaneously address several signal condition tasks, as opposed to separate structures requiring significantly more processing or poorer synergy ...
Surface acoustic wave (SAW) filters are commonly used for GNSS receivers due to their small size and excellent frequency selectivity. ...
doi:10.1002/navi.441
fatcat:il2kyrgacvcy7gauhwyzeslya4
Significant Wave Height Estimation Using Multi-Satellite Observations from GNSS-R
2021
Remote Sensing
This study proposes a significant wave height (SWH) retrieval method based on multi-satellite observations using Global Navigation Satellite System Reflectometry (GNSS-R). ...
The method is intended to improve the retrieval accuracy of SWH based on the GNSS-R technique, and to provide services for sea-state information monitoring and ship navigation. ...
dBi, and a GNSS-R receiver. ...
doi:10.3390/rs13234806
fatcat:diljudsxzbgtzoilemonzhmntq
Combining DCQGMP-Based Sparse Decomposition and MPDR Beamformer for Multi-Type Interferences Mitigation for GNSS Receivers
2017
Sensors
To combat multi-type interferences better for GNSS receivers, this paper proposes a cascaded multi-type interferences mitigation method combining improved double chain quantum genetic matching pursuit ...
, and the DCQGMP algorithm is extended to handle the multi-channel signals according to the correlation among the signals in different channels. ...
Characteristics of the GNSS signals for the second scenario.
Figure 8 .Figure 9 . 89 Characteristics of received signals in Channel 1. ...
doi:10.3390/s17040813
pmid:28394290
pmcid:PMC5422174
fatcat:nmhla5day5hhnaig4wmb32kpeq
Research on Improving Satellite Positioning Precision Based on Multi-Frequency Navigation Signals
2022
Sensors
This paper presents a method to improve positioning precision by using multi-frequency navigation signals. The observation data of CAPS and GPS system are used to simulate the experiment. ...
The research work can provide theoretical support and data reference for the future research of satellite positioning. ...
Conflicts of Interest: The authors declare no conflict of interest. Sensors 2022, 22, 4210 ...
doi:10.3390/s22114210
pmid:35684828
pmcid:PMC9185411
fatcat:ycni3fkdynf2rdzjnjrz4bmjzu
Recent progress in Bistatic SAR with illuminators of opportunity
2016
Science China Technological Sciences
In their BiSAR system, 5 echo antennas were emplaced vertically with a certain distance and multi-channel receiver was deployed to receive the signals from the direct signal antenna and echo antennas. ...
A multi-channel DEM generation method based on Markov Random Field (MRF) was proposed, where the amplitude data, iterative reconstruction results, and Maximum Likelihood (ML) results were jointly utilized ...
doi:10.1007/s11431-016-0746-8
fatcat:nyuf7lpnmrfj5i5olmhmpo25oe
Distributional loss for convolutional neural network regression and application to GNSS multi-path estimation
[article]
2022
arXiv
pre-print
The model takes advantage of the CNN feature representation and is able to carry out estimation from multi-channel input images. ...
To assess and illustrate the technique, the model is applied to Global Navigation Satellite System (GNSS) multi-path estimation where multi-path signal parameters have to be estimated from correlator output ...
DL methods to GNSS multi-path parameter estimation. ...
arXiv:2206.01473v1
fatcat:gcyqhnrakfgptd3ssr27avyemu
Spoofing and Anti-spoofing Technologies of Global Navigation Satellite System: A Survey
2020
IEEE Access
One speaks of full-channel FSA, which is a process in which a signal source performs multi-channel spoofing processing. ...
Multi-antenna receiver replay interference [6] High
Moderategood For a multi-antenna receiver, the direction of arrival angle can be detected by the antenna. ...
doi:10.1109/access.2020.3022294
fatcat:crv2g4ebpzbddkphu3i6mifk44
Carrier Phase Ranging with DTMB Signals for Urban Pedestrian Localization and GNSS Aiding
2023
Remote Sensing
Specifically, a solution is proposed, and a software-defined radio receiver is developed for wireless localization. ...
is only a limited number of visible satellites. ...
Acknowledgments: The authors would like to express their sincere gratitude to Chun Yang of QuNav company for his elaborate suggestions and reviews. ...
doi:10.3390/rs15020423
fatcat:ypetdqqfijdlfhfom3wb7kczp4
The Witch Navigator - A Low Cost GNSS Software Receiver for Advanced Processing Techniques
2010
Radioengineering
Various receiver architectures for this purpose have been introduced. RF front-end with FPGA universal correlators on ExpressCard connected directly to PC was selected and manufactured. ...
The developement of advanced GNSS signal processing algorithms such as multi-constellation, multi-frequency and multi-antenna navigation requires an easily reprogrammable software defined radio solution ...
Acknowledgements This publication was supported by the grant MSM 6840770014 "Research of the Prospective Information Technologies" of the Ministry of Education of the Czech Republic. ...
doaj:456e377627e94defac0a7910b6893588
fatcat:6p2su4ryejanpfy43776huwbi4
Implementation and Performance Analysis of Multi-GNSS Signal Collection System using Single USRP
2016
Journal of Positioning Navigation and Timing
of commercial receiver for GPS L1 C/A signals and 1 ~ 2 dB lower than that of commercial receiver for GLONASS G1 and BDS B1I. ...
In addition, a value of optimum local oscillator frequency was selected to sample signals from three systems with L1-band with a low sampling rate as much as possible. ...
ACKNOWLEDGMENTS This work has been supported by the National GNSS Research Center program of Defense Acquisition Program Administration and Agency for Defense Development. ...
doi:10.11003/jpnt.2016.5.1.011
fatcat:yiahuah2eva27fnpvdaj2g5kmy
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