Vehloc
Hardware and software platform for designing and evaluating vehicle-localization solutions
Vehloc is Leti’s localization solution designed to support the next generation of Intelligent Transport System (ITS) applications and services. It includes:
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Ground truth: tactical-grade navigation unit with associated post-processing software providing centimeter-level accuracy.
- Dual-frequency RTK-GNSS receiver, Dual antenna for true heading and fusion with tactical grade IMU
- Position accuracy: 2 cm / attitude accuracy: 0.03 deg
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Target platform: a flexible embedded platform for vehicle localization that integrates:
- Standard and high-accuracy GNSS receivers
- Consumer and tactical grade IMU
- An impulse radio-ultra-wideband (IR-UWB) transceiver
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Localization algorithms: advanced navigation and localization algorithm libraries
- State-of-the-art GNSS-IMU loose & tight coupling fusion
- Cooperative algorithms, including GNSS, IMU and IR-UWB*
What's new?
A complete vehicle test platform, including a ground-truth system
- Hardware comes with extensive know-how to carry out in-the-field performance tests and related metrology tasks. This includes database management, performance-indicator selection and automated algorithm optimization.
Flexibility and modularity of validation procedures - Localization scenarios can be recorded in log files for consumer metrics and high-end components. Fusion algorithms can then be fine-tuned offline.
- Sensor choice and dimensioning may be selected based on application performance specifications and final product implementation constraints.
- Multiple levels of cooperative deployment are supported, from pure standalone to vehicle-to-vehicle (V2V) in VANETs or even vehicle-to-infrastructure (V2I) (with various infrastructure densities).
Unique possibility to evaluate most innovative localization approaches and advanced technologies in a realistic vehicular context, such as: - Accurate V2V/V2I IR-UWB ranging under representative mobility
- Context-aware multi-sensor fusion
- V2V/V2I cooperation
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What’s Next?
Future developments will include:
- Localization-oriented optimization of ITS messages and protocols, anticipating the emergence of new vehicular wireless communication standards
- Application of the most demanding location-based features of autonomous driving (e.g., cooperative mapping, decentralized fleet control and platoon/group coordination, trajectories synchronization…)
- Extension to other emerging localization and navigation fields: smart road, drone and fleets of drones
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