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New Generation 4-Channel GNSS Receiver: Design, Production, and Testing
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Space Technology.
2018 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Due to the current research needs and the lack of commercial multi-channel, multi-constellation GNSS receivers, a two-board solution has been developed so it can be mated with and take advantage of the processing power of the FPGA board branded as MicroZed.

In order to achieve the proposed goals, an initial phase for assessing and updating the older design, building, and testing of SiGe modules (including both the electronics and casings) has been carried out. The results included demonstrate performances at logging GPS-L1 data with similar C/N0 and AGC values as the previous versions of the modules and offering navigation solutions with accuracies of a few meters. Secondly, a first iteration and design proposal for the new generation receiver has been proposed for GPS and GLONASS L1 and L2, which has been manufactured and tested. Partial tests have been performed due to the flaws of the current revision of the MicroZed Board in regards to its communication peripherals, and the results have validated the receiver’s design provided certain modifications are considered for future iterations. Furthermore, voltage and frequency tests have provided results with an error of less than 7%, and signal tests have provided C/N0 values similar to those of the SiGe modules of around 47[dB-Hz] which will be a useful baseline for future iterations. Finally, a design proposal for an Interface Board used between the older NT1065_PMOD Board and other FPGA boards carrying the standardized FMC connectors has been added to the report and negotiations with manufacturers have been engaged.

Place, publisher, year, edition, pages
2018. , p. 90
Keywords [en]
gnss, gps, galileo, glonass, beidou, constellation, receiver, new generation, 4-channel, design, pcb, shield, front end, nt1065, biastee, bias t, bias tee, sma, saw filter, fpga, microzed, microheader, digital, analog, lvds, single end, agc, selector
National Category
Telecommunications Signal Processing Communication Systems
Identifiers
URN: urn:nbn:se:ltu:diva-67420OAI: oai:DiVA.org:ltu-67420DiVA, id: diva2:1178480
External cooperation
University of Colorado in Boulder
Subject / course
Student thesis, at least 30 credits
Educational program
Space Engineering, master's level (120 credits)
Presentation
2017-11-22, D1, Rymdcampus, 981 28 Kiruna, Sweden, Kiruna, 11:15 (English)
Supervisors
Examiners
Available from: 2018-02-02 Created: 2018-01-29 Last updated: 2018-02-02Bibliographically approved

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CiteExportLink to record
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Citation style
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