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Passive GNSS-Based SAR Resolution Improvement Using Joint Galileo E5 Signals

Hui Ma, Michail Antoniou, Mikhail Cherniakov
2015 IEEE Geoscience and Remote Sensing Letters  
CONCLUSION This letter has put forward a resolution improvement proposal for passive Galileo-based SAR.  ...  This letter investigates the feasibility of improving range resolution in GNSS-based SAR using the Galileo satellites, which may also tackle limitations in BSAR resolution in other research studies [18  ... 
doi:10.1109/lgrs.2015.2417594 fatcat:mqjtfvkednhqpk3kgtusnbofoe

Passive GNSS-based SAR imaging and opportunities using Galileo E5 signals

Hui Ma, Michail Antoniou, Mikhail Cherniakov
2015 Science China Information Sciences  
This paper investigates the feasibility of Galileo navigation satellites as transmitters of opportunity in passive bistatic synthetic aperture radar (SAR) systems from the perspectives of signal processing  ...  Experimental images obtained using a single Galileo channel, E5a or E5b, are presented and analyzed.  ...  In this paper, the focus is on GNSS-based passive SAR.  ... 
doi:10.1007/s11432-015-5335-5 fatcat:urcr3yozfrbbbidcocpogl34vy

A Novel Range Compression Algorithm for Resolution Enhancement in GNSS-SARs

2017 Sensors  
In this paper, a novel range compression algorithm for enhancing range resolutions of a passive Global Navigation Satellite System-based Synthetic Aperture Radar (GNSS-SAR) is proposed.  ...  Both theoretical analysis and simulation results have demonstrated that significant range resolution improvement in GNSS-SAR images can be achieved by the proposed range compression algorithm, compared  ...  For instance, in joint Galileo E5 signal receiver-based GNSS-SARs (where the original range resolution is 3 m [14, 15] ), the range resolution can be potentially obtained at a level less than 1 m using  ... 
doi:10.3390/s17071496 pmid:28672830 pmcid:PMC5539786 fatcat:47kzuiuwcrd7ppk6w47z5a77qu

An Improved Pre-processing Algorithm For Resolution Optimization In Galileo Based Bistatic SAR

Zhangfan Zeng, Zhiming Shi, Yanling Zhou, Yuzhang Chen, Yongcai Pan
2019 IEEE Access  
Galileo based bistatic synthetic aperture radar (Galileo-BiSAR) is a subclass of passive radar, where the Galileo satellite is used as the transmitter and the receiver can be mounted on a moving vehicle  ...  Aimed at improving range resolution, this article proposes a new pre-processing algorithm for Galileo-BiSAR.  ...  However, using only Galileo satellite single band signal E5a or E5b, the corresponding bandwidth is 20MHz and range resolution is 15m [25] .  ... 
doi:10.1109/access.2019.2938238 fatcat:64s4qzew3rfi3ahl6mjbac377e

An Image Formation Algorithm for Bistatic SAR using GNSS Signal with Improved Range Resolution

Yue Fang, Jie Chen, Pengbo Wang, Xinkai Zhou
2020 IEEE Access  
Passive synthetic aperture radar (SAR) using Global Navigation Satellite System (GNSS) signals as the illuminators of opportunity has a relative coarse range resolution due to the narrow bandwidth of the  ...  Compared with the traditional GNSS-based passive SAR imaging algorithm, the results of the proposed method show that the imaging performance can be improved for better range resolution and lower side-lobes  ...  OVERVIEW OF GNSS-BASED PASSIVE SAR GNSS-based passive SAR utilizes GNSS satellites as the transmitters of opportunity, including GPS, GALILEO, GLONASS and BeiDou.  ... 
doi:10.1109/access.2020.2990622 fatcat:v4g6tlgfrvdz5j2hnndtbgeyfa

Decimetre Level Range Resolution for Beidou B3I Signal Based Passive SAR Imaging – Proof-of-Concept Experimental Demonstrations

Yu Zheng, Zhuxian Zhang, Peng Wu, Peidong Zhu
2021 IEEE Access  
This reveals that decimetre level range resolution can be achieved for Beidou B3I-SAR on the basis of proposed methods, in contrast to the current best result of meters level in passive GNSS-based SAR  ...  Accordingly, studies of passive Beidou B3I signal-based synthetic aperture radar (Beidou B3I-SAR) are very meaningful in terms of promoting the rapid development of the Beidou technique.  ...  To improve range resolution, in 2015, the researchers [20] utilized full bandwidth Galileo E5 signal (i.e. joint Galileo E5a/b) to obtain the range resolution to 3 m level.  ... 
doi:10.1109/access.2021.3056666 fatcat:tnhy4qadpfd3bglyobzsmo3esy

Spatial Resolution Improvement in GNSS-Based SAR Using Multistatic Acquisitions and Feature Extraction

Fabrizio Santi, Marta Bucciarelli, Debora Pastina, Michail Antoniou, Mikhail Cherniakov
2016 IEEE Transactions on Geoscience and Remote Sensing  
Index Terms-passive SAR, GNSS-based SAR, bistatic SAR, multistatic SAR, feature extraction, CLEAN I.  ...  CONCLUSIONS This paper addresses a passive multistatic SAR system based on GNSS transmission.  ... 
doi:10.1109/tgrs.2016.2583784 fatcat:bkt4adqgdfaabbqwdli2yunaau

D3.6 Gap analysis highlighting the technical and operational requirements of the European Polar Research Programme for satellite applications

EU-PolarNet Consortium
2018 Zenodo  
The task objective is to consider joint programming of infrastructure to enable bigger and more complex science projects.  ...  This report follows directly from deliverable D3.3 which described the existing uses of space assets by European polar operators.  ...  The Galileo constellation is a key enabler of the required E1/E5 dual frequency.  ... 
doi:10.5281/zenodo.5121461 fatcat:a2o2eb2vgva6hojiwrhvwjjf2u

The IEEE-SA Working Group on Spaceborne GNSS-R: Scene Study

Hugo Carreno-Luengo, Adriano Camps, Chris Ruf, Nicolas Floury, Manuel Martin-Neira, Tianlin Wang, Siri Jodha Khalsa, Maria Paola Clarizia, Jennifer Reynolds, Joel Johnson, Andrew O'Brien, Carmela Galdi (+13 others)
2021 IEEE Access  
CONVENTIONAL GNSS-R Conventional GNSS-R (cGNSS-R) (Fig. 4) [5, [14] [15] [16] [17] correlates coherently during Tc (typically 1 ms for GPS L1 C/A, L5 and Galileo E5; and 4 ms for Galileo E1 OS) the  ...  A1 Parameters of the most common GNSS signals used in GNSS-R: GPS L1 C/A, GPS L2 P(Y), GPS L2 C, Galileo E1 OS, GLONASS C/A L1 and L2, GLONASS L2 P, and BeiDou B3I.  ... 
doi:10.1109/access.2021.3089762 fatcat:4dx5adyg2fe7dnxeet62zjlcdi

GNSS IMAGING: A CASE STUDY OF TREE DETECTION BASED ON BEIDOU GEO SATELLITES

Songhua Yan, Hui Zhou, Jianya Gong
2018 Progress In Electromagnetics Research C  
Third, the entire signal processing, which uses a multi-correlator, is designed to improve the range resolution.  ...  Instead of using common Inclined Geosynchronous Orbit (IGSO)/Medium Earth Orbit (MEO) satellites in motion, a new global navigation satellite system (GNSS) imaging system based on Beidou geo synchronous  ...  They also studied the feasibility of improving range resolution by joint Galileo E5 signals [8] , multistatic acquisitions and feature extraction [9] [10] [11] .  ... 
doi:10.2528/pierc18032504 fatcat:4mexkwz6mzcddkjrmxbor6qfr4

GEROS-ISS: GNSS REflectometry, Radio Occultation, and Scatterometry Onboard the International Space Station

Jens Wickert, Estel Cardellach, Manuel Martin-Neira, Jorge Bandeiras, Laurent Bertino, Ole Baltazar Andersen, Adriano Camps, Nuno Catarino, Bertrand Chapron, Fran Fabra, Nicolas Floury, Giuseppe Foti (+19 others)
2016 IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing  
These geophysical parameters are derived using reflected GNSS signals (GNSS reflectometry, GNSS-R).  ...  Secondary mission goals include atmosphere/ionosphere sounding using refracted GNSS signals (radio occultation, GNSS-RO) and remote sensing of land surfaces using GNSS-R.  ...  Complementing the Earth observations from other current satellite missions, GEROS will especially pioneer the exploitation of GNSS remote sensing signals from the European Galileo system, thereby improving  ... 
doi:10.1109/jstars.2016.2614428 fatcat:7zfmpvdb2fhu3aj5wfcvwwghza

Principles of GNSS, inertial, and multisensor integrated navigation systems, 2nd edition [Book review]

Paul D. Groves
2015 IEEE Aerospace and Electronic Systems Magazine  
More complex subcarrier functions may also be used, such as the alternate BOC used for the Galileo E5 signal (see Section 6.4.2).  ...  Signals Galileo broadcasts 10 different navigation signals across three frequency bands: E5, E6, and E1-L1-E2 [8, 39] . The E5 band is 92.07 MHz (90 × 1.023 MHz) wide and centered at 1,191.795 MHz.  ...  GNSS C /N 0 measurement, and inertial navigation.  ... 
doi:10.1109/maes.2014.14110 fatcat:iwowfiidazbljiamuiyjv6363u

GNSS Integrity Monitoring assisted by Signal Processing techniques in Harsh Environments

Mattia Berardo, Letizia Lo Presti
2017
Figure taken from [9]. 1.3 GNSS Signals 17 • E5 (composite) signal. The E5a and E5b signals are modulated onto a single E5 carrier using a technique known as Alternative BOC (AltBOC).  ...  The E5a and E5b signals are part of the E5 signal in its full bandwidth. The Galileo system use a Code Division Multiple Access (CDMA) technique, as in case of GPS.  ...  based algorithms (velocities and clock drift) so that x k = [u k ,u k ] T . The interested reader can refer to [3, 106, 112] for more details.  ... 
doi:10.6092/polito/porto/2675456 fatcat:4gj6y5kzszd5hpyn5bqj7cj33i

Simplified modelling of printed circuit boards for spacecraft applications

Robin Alastair Amy, G.S. Aglietti, Guy Richardson
2009 Acta Astronautica  
Hongli Zhao, Beijing, China IAC-06-B3.2.09 A software based algorithm for demodulating BPSK telemetry signal Dr.  ...  Emilio Chuvieco, University of Alcalá de Henares, Alcalá de Henares, Spain Feasibility Study of Tsunami Detection using GNSS Reflections Dr.  ... 
doi:10.1016/j.actaastro.2009.01.037 fatcat:c3tgigxl3nanlhbaxvbng2zwyq