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''Design of RF Front End for Multi-Band Multi-System GNSS Receiver''
Högskolan i Gävle, Institutionen för teknik och byggd miljö.
2008 (engelsk)Independent thesis Advanced level (degree of Magister), 20 poäng / 30 hpOppgave
Abstract [en]

The up growing wireless communication field always need such a system which is simple but more reliable for multiple applications. To fulfill these demands the modern receiver RF frontend can play an important role. A successful design could be a better solution, not only simple but also modern receiver architecture topology is necessary.The main objective of this dissertation is to design a simple RF-Front end for both multi-band multi-systems Global Navigation Satellite System (GNSS i.e. GPS and Galileo) receiver which

will provide civil signals on multiple frequencies, similar to those currently available for only military purpose and finally implement and test the receiver front end. Different topologies have been investigated and finally the direct digitization RF front end receiver topology is chosen for simplicity, cost and performance. The entire RF front receiver consists of a broad band LNA, a broad band pass filter and a band stop filter. This kind of receiver needs a minimum feasible sampling frequency which is 434 MHz for designed methodology.A simple receiver RF front end for GNSS application is designed to demonstrate and it has been implemented and tested. The receiver is yield the minimum power consumption which is 26mA

current from 3V power supply.Although, there are no such a specifications for combined future GPS/Galileo receiver, the

simple design performance is satisfactory and it will be an interesting future work from commercial point of view.

sted, utgiver, år, opplag, sider
2008. , s. 63
Emneord [en]
123456
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URN: urn:nbn:se:hig:diva-310OAI: oai:DiVA.org:hig-310DiVA, id: diva2:119860
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Tilgjengelig fra: 2008-02-08 Laget: 2008-02-08

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