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An integrated overlay architecture based multi-GNSS front-end

: Rügamer, A.; Urquijo, S.; Eppel, M.; Milosiu, H.; Görner, J.; Rohmer, G.


Institute of Electrical and Electronics Engineers -IEEE-; IEEE Aerospace and Electronic Systems Society -AESS-; Institute of Navigation -ION-, Manassas/Va.:
IEEE/ION Position, Location and Navigation Symposium, PLANS 2012. Proceedings : Myrtle Beach, South Carolina, USA, 23 - 26 April 2012
Piscataway, NJ: IEEE, 2012
ISBN: 978-1-4673-0387-3
ISBN: 978-1-4673-0385-9
ISBN: 978-1-4673-0386-6
Position Location and Navigation Symposium (PLANS) <2012, Myrtle Beach/S.C.>
Fraunhofer IIS ()

This paper presents the overall architecture, first test structure implementations, and measurement results of an integrated GNSS front-end based on intentional path overlay. The front-end ASIC supports simultaneous multiband, multi-system GNSS reception of GPS L5 / Galileo E5 / GLONASS G3 and GPS L1 / Galileo E1 / GLONASS G1 signals with up to 52 MHz bandwidth while using only one common baseband path thanks to an intentional analog signal overlay. Test structures of the RF and baseband parts were realized in a 1.8V, 150nm RF-CMOS technology packaged in a QFN48 housings with full ESD protection. Both chips are described in detail regarding their design and their actual measurement results.