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Reconfigurable GNSS Receivers

2. OVERVIEW. Background For Reconfigurable ReceiversSolutions, Receiver TypesOverview of the DGCs SDROverview of Each Receiver BlockConclusions and Future Vision. 3. OVERVIEW. Background For Reconfigurable ReceiversSolutions, Receiver TypesOverview of the DGCs SDROverview of Each Receive

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Reconfigurable GNSS Receivers

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    1. Reconfigurable GNSS Receivers Kai Borre & Darius Plaušinaitis

    2. 2 OVERVIEW Background For Reconfigurable Receivers Solutions, Receiver Types Overview of the DGC‘s SDR Overview of Each Receiver Block Conclusions and Future Vision

    3. 3 OVERVIEW Background For Reconfigurable Receivers Solutions, Receiver Types Overview of the DGC‘s SDR Overview of Each Receiver Block Conclusions and Future Vision

    4. 4 Basic Facts Radio communication: multi-standard, multi-frequency communication in a single, compact device Less hardware components Re-usable hardware Intelligent radios

    5. 5 Basic Facts (GNSS Receivers) GNSS positioning is also becoming multi-standard and multi-frequency GPS II (Since 1980) GPS modernizations: M code and L2C, L5 signals Galileo (possibility to update signals on the fly?) GPS III GLONASS signals are getting updated QZSS (Japan), IRNSS (India), and Beidou (China) SBAS systems: EGNOS, WAAS, MSAS, GAGAN

    6. 6 Basic Facts (GNSS Receivers) Possibility to track signals using non-traditional methods for Multipath mitigation Weak signal tracking (indoor positioning) Fast signal acquisition Very good for prototyping Does not require to wait for a new hardware version

    7. 7 OVERVIEW Background For Reconfigurable Receivers Solutions, Receiver Types Overview of the DGC‘s SDR Overview of Each Receiver Block Conclusions and Future Vision

    8. 8 Solutions To use new hardware per signal Basic components, chips ASIC (Application Specific Integrated Circuit) To use reconfigurable hardware – FPGA (Field Programmable Gate Array), etc. To use DSP (Digital Signal Processor) To use GPP (General Purpose Processor) – x86, ARM 9, etc.

    9. 9 Comparison of Solutions

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