Webinar 9 things you should know about centimeter-level GNSS accuracy
Webinar agenda 9 things you should know about centimeter-level GNSS accuracy 1. High precision GNSS challenges 2. u-blox F9 technology overview 3. Bringing accuracy down to the centimeter-level 4. New technology concept & background 5. Key performance drivers in specific applications 6. Performance comparisons 7. GNSS correction data services 8. Multi-band (L1/L2/L5) and multi-constellation (GPS, GLONASS, Galileo, Beidou) capabilities 9. Dead Reckoning and Real Time Kinematic (RTK) options Christina Bjorkander Product Communication Karin Steinhauser Product Communication, Positioning Questions and answers with presenter 2 Peter Fairhurst Product Strategy, Positioning
House-keeping This webinar will be recorded, the presentation will be available as.pdf Desktop software Feel free to ask questions, Q/A at the end Your sales contact will also receive your question Instant join viewer 3
Our speaker Peter Fairhurst Director Product Line Management (High Precision), Product Center Positioning at u-blox Joined u-blox in 2015 as responsible for u-blox s high precision GNSS product line Came from Leica Geosystems where his focus was on high precision GNSS surveying technology 4
u-blox F9 takes GNSS precision to the next level Centimeter-level accuracy Fast TTFF Multi-constellation and multi-band High precision is the next frontier Global coverage Dead reckoning Highest security in positioning for mass markets, with industrial and automotive applications in need of a robust and versatile high precision positioning solution Commercial UAV Ground robotics navigation Lane-level navigation Heavy machine navigation Industrial navigation and tracking 5
Building Building Building Building Challenges for high-accuracy GNSS Next generation mass market navigation applications require more automation & control Higher accuracy, more affordable, more versatile & globally deployable than existing solutions Performance of existing navigation applications in multipath & limited sky view environments Multipath Lane Level Navigation Unobstructed sky view Limited Sky View Urban sky view 6
SSR-RTK Multi constellation u-blox F9 technology There is no single technology capable of providing the required position accuracy in all environments u-blox F9 uses a tight combination of core GNSS technologies: for a large number of direct line-of-sight measurements 3D Dead Reckoning to smooth multipath effects, bridge obstructions maintain positioning in tunnels & parking garages in automotive navigation for fast convergence & reconvergence of high precision positions Multi-band delivering down to centimeter-level accuracies 7
u-blox F9 takes GNSS precision to the next level Delivers accuracy down to the centimeter-level Paves the way for high precision navigation, augmented reality, and unmanned vehicles Fast time to first fix and robust performance with multi-band, multi-constellation reception Compatible with leading correction services for global coverage and versatility Dead Reckoning option for reliable performance in urban environments Advanced jamming and spoofing detection for highest security 8
GNSS system overview Standalone GNSS system consists of: Multi-band, multi-constellation GNSS receiver Enables meter-level performance High Precision GNSS system consists of: Multi-band, multi-constellation GNSS receiver GNSS correction service Internet connection / L-band receiver Enables centimeter-level performance GNSS High Precision GNSS System Cellular Communication satellite SSR/RTK correction service u-blox F9 platform is capable of supporting both standalone & high precision GNSS systems 9
u-blox F9 Delivers accuracy down to the centimeter-level u-blox F9 without corrections with corrections Type Stand-alone GNSS Stand-alone RTK / SSR-RTK GNSS GPS, GLONASS, BeiDou, Galileo, QZSS, NAVIC, SBAS Bands L1 and L5 L1 and L2/L5 Corrections SBAS, Sapcorda Basic SBAS, SSR, RTCM 3.x Accuracy (1-sigma) <1.0m w/ SBAS <1.0m w/ SBAS <0.03m (RTCM 3.x) <0.20m (SSR *) ) Dead Reckoning optional optional Safety features no no Security features yes yes *) Conservative estimate. Can be <10cm with high quality SSR service 10
u-blox F9 Multi-band, Multi-constellation capabilities u-blox F9 capable of tracking all civil GNSS signal bands Multi-band enables fast time to first fix and robust performance by mitigating ionosphere errors Multi-constellation enables receiver to track a high number of GNSS observations Option B Option B Option A Option A B2A 11
u-blox F9 multi-band, multi-constellation Importance to maximize number of signals in urban areas Multi-constellation, multiband RTK / SSR-RTK is crucial for centimeter-level performance Option A (L1, L2 and L5) maximizes satellite visibility for RTK / SSR-RTK GPS & GLONASS: readily available in L2C/L2OC Galileo: full E5b constellation by ~2020 BeiDou: B2I available until migration to B2a Option B (L1 and L5) maximizes satellite visibility for Standalone GNSS dependent on Beidou migration to B2a Does not become useful for RTK / SSR-RTK until 2021 12
No. of Visibile Satellites u-blox F9 multi-band, multi-constellation Importance to maximize number of signals in urban areas 14 Satellite visibility in typ. urban environments 12 10 8 6 4 Minimum for (SSR-) RTK Minimum for Standalone GNSS 2 0 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 Option A Option B u-blox F9 platform capable to maximize satellite visibility in urban environments for both High Precision and Standalone GNSS use cases 13
u-blox F9 multi-band benefits On High Precision products reduces convergence time increases ambiguity fixing rates increases overall cm-level position availability Typical convergence times NEO-M8P is typically < 60 s u-blox F9 is typically < 10 s 14
u-blox F9 test results Typical mixed scenario Focus area 15
Position Accuracy (m) u-blox F9 multi-band benefits Multi-band RTK delivers higher high precision availability and accuracy u-blox NEO-M8P (Single-band RTK) u-blox F9 (multi-band RTK) 4 2 0-2 -4 16 0 60 120 0 60 120 Time (min) NEO-M8P u-blox F9 NEO-M8N 50% plan error (m) 0.21 0.10 2.96 50% height error (m) 0.08 0.04 3.74 RMS plan error (m) 1.31 0.85 3.41 RMS height error (m) 1.70 1.00 4.80 Time (min)
Poll u-blox 17 AG, For internal use only
Position Accuracy (m) u-blox F9 multi-band benefits NEO-M8P (single-band RTK) vs u-blox F9 (multi-band RTK) NEO-M8P (Single-band RTK) u-blox F9 (multi-band RTK) 4 2 0-2 -4 0 2 4 0 2 4 Time (min) Time (min) Multi-band improves ambiguity fixing rates, convergence times and overall cm-level position availability 18
u-blox F9 - GNSS correction services Global coverage and versatility e.g. RTCM v 3.x Single Baseline or Network RTK (VRS) e.g. Sapcorda services 19
u-blox F9 - GNSS correction services Supported services u-blox F9 platform supports: Legacy OSR correction services supporting RTCM v 3.x VRS (i.e. Network RTK) Local u-blox & 3 rd party base stations supporting RTCM v 3.x (i.e. Single Baseline RTK) Sapcorda (i.e. modern SSR services) Enables deployment anywhere in the world when GNSS correction services are available Leica SmartNet & Trimble CenterPoint provide services for regions in Americas, EMEA & APAC QXWZ China based GNSS correction service provider Japan CLAS support Many regional GNSS correction service providers 20
u-blox F9 - dead reckoning Dead reckoning calculates position with sensor inputs and GNSS, even if GNSS signal is lost or degraded Combined with high precision GNSS we get down to centimeter-level accuracies, also in urban environments Acceleration, Gyroscope Vehicle Wheel Tick / direction u-blox ADR Gyroscope Accelerometer C 1 2 3 4 5 R 21
u-blox M8 standalone dead reckoning Automotive dead reckoning capabilities 22 Platform Sensor GNSS corrections High Precision u-blox M8 Single- Band Yes SBAS No
u-blox F9 dead reckoning Automotive dead reckoning capabilities 23 Platform Sensor GNSS corrections High Precision u-blox M8 Single- Band Yes SSR Yes
Results statistics Platform u-blox F9 (multi-band) u-blox M8 (single band) RTK type Ambiguity fixing No Sensor fusion (ADR) 1) Yes Yes 50% plan error (m) 0.13 2.96 50% height error (m) 0.24 3.77 1) Results with sensors include tunnels u-blox F9 with Integrated RTK and ADR achieves 0.13 m 2D accuracy even in urban environments 24, For internal use only
Security features Threats Principle Benefit Modifications to the way that u-blox and customers products work Changing the data as it flows around the system Taking control of u- blox products from unauthorised systems Secure Boot Secure Firmware Updates Secure interfaces; and APIs Secure Communications Transport Layer Secure against spoofing and jamming; robust against software attack u-blox GNSS receivers are secured against security threats originating from attacking the receiver behavior. u-blox GNSS receivers are protected against man-in-the-middle and replay attacks. u-blox AssistNow service cannot be used to attack u-blox GNSS receivers u-blox GNSS receivers are protected as good as possible against malicious attacks at the antenna side. 25
u-blox F9 Paves the way for high precision navigation Precise automated trajectories, quick convergence times & accurate geo-tagging for commercial UAVs Precise automated trajectories, quick convergence & wide scale deployment (i.e. Robotic Lawnmowers) Automotive locator, HUD, Augmented Reality lane level navigation Mass adoption of heavy vehicle guidance More accurate standalone position accuracy for smoother navigation experience 26
u-blox F9 multi-band GNSS receiver Generic configuration Dead reckoning configuration u-blox F9 Position, velocity, time IMU u-blox F9 Optional correction service u-blox F9 Wheel ticks Position, velocity, time, Optional Correction service receiver u-blox F9 Optional correction service Optional Correction service receiver Targeted at unmanned vehicle navigation Standalone Integrated RTK Targeted at automotive navigation applications Standalone with ADR Integrated RTK with ADR 27
Summary u-blox F9 platform - next generation GNSS platform for industrial & automotive applications Multi-band, multi-constellation GNSS receiver Optional integrated RTK, GNSS correction service support and dead reckoning Next step for u-blox is to deliver high precision GNSS to mass market applications Further webinars in April focusing on technical aspects of the u-blox F9 platform Antenna considerations, correction service, multi-band positioning techniques Automotive focus : Dead reckoning, multi-band & high precision techniques 28
Poll u-blox 29 AG, For internal use only
Questions & Answers 30
Thank you for your attention 31