GAMMA-A Galileo Receiver for Mass Market Applications in the Automotive Area Project Outcomes Project Outcomes 31.08.2011 31.08.2011 The The The The 4 2 5 4 2 5 4 2 5 4 2 5 4 2 5 Company Ltd Company Ltd Company Ltd Company Ltd
Outline • Project Overview • Motivation • Applications and Requirements • System Overview • Core Technologies (excerpt) – Acquisition and tracking – Assisted and differential GNSS – Signal authentication – Multipath mitigation – Real-time kinematic technology • Receiver Development • Conclusion and Outlook GAMMA-A – Project Outcomes 2 31/08/2011
Project Overview Applications and Requirements System Overview Core Technology Receiver Development Conclusion Objectives of the Project • Contributes to the future market introduction of Galileo services and products in automotive applications • Designed, developed, and tested a new 3-frequency Galileo/EGNOS/GPS satellite navigation receiver prototype • Analysed potential solutions featuring future automotive applications • Addressed new challenging applications in secondary domains e.g. rail, maritime, emergency services, and demanding location based services (LBS) GAMMA-A – Project Outcomes 3 3 31/08/2011
Project Overview Applications and Requirements System Overview Core Technology Receiver Development Conclusion GAMMA-A Project Team • Development of PVT software • Project Coordination • • Development of fusion and Definition of Application Scenarios & • Receiver Hardware Development mitigation algorithms User Requirements • • • Receiver Integration Dissemination, webpage Communication Link • Dissemination • • Tracking Algorithms Analysis for • Research on RTK solution for Development of Highly Integrated RF • Quality Management automotive environment CBOC/TMBOC/AltBOC Signals Front End ASIC The The The The 4 2 5 4 2 5 4 2 5 4 2 5 4 2 5 Company Ltd Company Ltd Company Ltd Company Ltd • Assisted and Differential GNSS • Communication & Broadcasting • Strategies • Antenna Design Development of Fast and • Analysing Position Authentication • Sensitive Acquisition Development of Antenna • • Algorithms Market and Business Study Prototype Counter Signal Spoofing Technique GAMMA-A – Project Outcomes GAMMA-A – Project Outcomes 4 31/08/2011
Project Overview Applications and Requirements System Overview Core Technology Receiver Development Conclusion Work Breakdown Structure GAMMA-A (L1/L5/E5 GPS/EGNOS/GALILEO Receiver) WPG 5000 WPG 1000 WPG 3000 WPG 4000 WPG 6000 WPG 2000 Integration and System Integration & Project Identification of Market Core Technology Development of Validation of GNSS Management Segment Development Receiver Prototype Test Prototype Receiver FhG-IIS OCN FhG-IIS OCN IMST FhG-IIS WP 4510 WP 5100 WPG 1100 WP 2100 WP 3100 WP 3600 WP 4100 WP 6100 Fast & Sensitive Receiver Integration Project Application Correlation & Fast & Robust RTK Definition of System Test & Validation Planning Management Scenarios Tracking of CBOC & Solution Architecture Acquisition Module Planning TMBOC FhG-IIS FhG-IIS VW/OCN FhG-IIS OCN inP FhG-IIS EPFL WP 4200 WP 5200 WP 3710 WP 4520 WP 6200 WPG 1200 WP 2200 Integrated Dual Integration of Assisted & Diff. Robust Tracking Terminal Integration WP 3200 Quality & IP User Requirements Frequency Antenna Functional Receiver Low Cost Receiver GNSS Module FhG-IIS Management Design on a FPGA Platform Integration FhG-IIS OCN TAS-F Bosch FhG-IIS TPI FhG-IIS WP 6300 Appl. Development WP 2300 WP 3720 WP 4600 Study of relevant Communication & Processor Module WP 5300 WP 3300 WP 4300 OCN ASIC Design of Specification of Mass Market Highly Integrated Broadcasting (SoC) Verification and Test Segments Dual Frequency Strategies L1 & L5/E5a & E5b FhG-IIS WP 6400 Frontend Low Noise RF- OCN Integration in Car 425Co TAS-F Frontends Platform IMST WP 4700 RTOS & System IMST WP 5400 WP 2400 WP 3810 OCN Software Receiver Integration Development of Signal Authentication WP 3400 & Test adaquate Business Fast & Sensitive & Integrity (GNSS) WP 4400 FhG-IIS WP 6500 Models Acquisition and RF Frontend Module FhG-IIS TAS-F Test & Validation Reacquisition 425Co IMST WP 4800 Campaign Robust PVT Solution UniBO WP 3820 OCN (Dual Frequency, Assessment of the WP 4500 Multi-Standard) WP 3500 position Digital Baseband WP 6600 Dual Frequency authentication Processing (Low TCA Assisted & Diff. Data Based Ionospheric Implementation TAS-F Server Corrections Losses) TAS-F TCA FhG-IIS WP 3900 Multipath & Interfer- WP 6700 ence Cancellation WP 3510 Dissimination INS Coupling TCA/UniBO TPI TCA GAMMA-A – Project Outcomes GAMMA-A – Project Outcomes 5 5 31/08/2011
Project Overview Applications and Requirements System Overview Core Technology Receiver Development Conclusion Motivation • Automotive industry demands: – High accuracy, reliability, integrity and continuity – Low cost • Only high priced receivers available – Costs as much as a middle class car • But automotive market is mass market – Chance to start ASIC-development GAMMA-A – Project Outcomes 6 31/08/2011
Project Overview Applications and Requirements System Overview Core Technology Receiver Development Conclusion Applications • Automatic driving • Lane departure warning • Automatic lane keeping • Green driving • Service- / E-Call • Ghost driver emergency stop • Along track guidance GAMMA-A – Project Outcomes 7 31/08/2011
Project Overview Applications and Requirements System Overview Core Technology Receiver Development Conclusion Requirements E-Call Ghost driver Automatic Green Emergency stop driving driving 20 m 1 m 0,2 m 2 m Accuracy X X Authentication X X X Integrity 3 � 10 -5 5 � 10 -4 5 � 10 -4 3 � 10 -5 Continuity 1 Hz 1 Hz 10 Hz 1 Hz Update rate 15 s 15 s 10 s 10 s Acquisition Cold 5 s 1 s 5 s 5 s Hot GAMMA-A – Project Outcomes 8 31/08/2011
Project Overview Applications and Requirements System Overview Core Technology Receiver Development Conclusion Business Models and Market Segments • Study of relevant mass market segments – Prediction of market – Business drivers • Development of adequate business models – Estimate costs and prices – Business viability • All applications viable • Total business very large • Significant competition in some applications • Transfer of technology planned – Sensitivity analysis GAMMA-A – Project Outcomes 9 31/08/2011
Project Overview Applications and Requirements System Overview Core Technology Receiver Development Conclusion System Overview: Signals Carrier Frequency Required Bandwidth GNSS Signal Modulation [MHz] [MHz] GPS L1 C/A 1575.42 BPSK(1) 2 EGNOS 1575.42 BPSK(1) 2 Galileo E1 bc 1575.42 CBOC(6,1,1/11) 14 Galileo E5a 1176.45 BPSK(10) 24 GPS L5 1176.45 BPSK(10) 24 Galileo E5b 1207.14 BPSK(10) 24 GAMMA-A – Project Outcomes 10 31/08/2011
Project Overview Applications and Requirements System Overview Core Technology Receiver Development Conclusion System Overview: Schematic Combined L1/E5 antenna Frequency Selection GAMMA-A – Project Outcomes 11 31/08/2011
Project Overview Applications and Requirements System Overview Core Technology Receiver Development Conclusion Acquisition • Code Acquisition is notoriously the basic operation in all GNSS applications • Directly impacts on the Time To Fix and on the system QoS • Goal : Identify the Code Epoch ( τ ) and the Frequency Offsets (fe) of a specific satellite signal • Uncertainty Region ( UR ) is discretized into Time Slots Δτ , and the frequency domain is discretized into Frequency Bins Δ f : – Two-dimensional matrix must be scanned to find Correct Hypothesis (H1 ) – A large number of Incorrect Hypotheses (H0 ) GAMMA-A – Project Outcomes GAMMA-A – Project Outcomes 12 12 31/08/2011
Project Overview Applications and Requirements System Overview Core Technology Receiver Development Conclusion Acquisition • Two different search strategies can be defined: – Serial search (i.e. schemes based on one or more correlators) • Consecutive time/frequency tests – Parallel acquisition strategies (i.e. FFT/IFFT schemes) • Simultaneously tests all the possible code phases (frequency tests are required) Serial Search Scheme GAMMA-A – Project Outcomes GAMMA-A – Project Outcomes 13 13 31/08/2011
Project Overview Applications and Requirements System Overview Core Technology Receiver Development Conclusion Acquisition Hardware: FFT-based Coarse Search: Fine Search GPS: GAMMA-A – Project Outcomes 14 31/08/2011
Project Overview Applications and Requirements System Overview Core Technology Receiver Development Conclusion Acquisition Hardware: FFT-based Coarse Search: Fine Search Galileo: GAMMA-A – Project Outcomes 15 31/08/2011
Recommend
More recommend
