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Title: New integrated navigation scheme for the level 4 autonomous vehicles in dense urban areas
Authors: Hsu, LT 
Wen, W 
Issue Date: 2020
Source: 2020 IEEE/ION Position, Location and Navigation Symposium (PLANS), 20-23 April 2020, Portland, OR, USA, p. 297-305
Abstract: Accurate and globally referenced positioning is fatal to the safety-critical autonomous driving vehicles (ADV). Multi-sensor integration is becoming ubiquitous for ADV to guarantee the robustness and accuracy of the navigation system. Unfortunately, the existing sensor integration systems are still heavily challenged in urban canyons, such as Tokyo and Hong Kong. The main reason behind the performance degradation is due to the varying environmental conditions, such as tall buildings and surrounded dynamic objects. GNSS receiver is an indispensable sensor for ADV, which relies heavily on the environmental conditions. The performance of GNSS can be significantly affected by signal reflections and blockages from buildings or dynamic objects. With the enhanced capability of perception, fully or partially sensing the environment real-time becomes possible using onboard sensors, such as camera or LiDAR. Inspired by the fascinating progress in perception, this paper proposes a new integrated navigation scheme, the perception aided sensor integrated navigation (PASIN). Instead of directly integrating the sensor measurements from diverse sensors, the PASIN leverages the onboard and real-time perception to assist the single measurement, such as GNSS positioning, before it is integrated with other sensors including inertial navigation systems (INS). This paper reviews several PASIN, especially on the GNSS positioning. As an example, GNSS is aided by the perception of a camera or LiDAR sensors, are conducted in dense urban canyons to validate this novel sensor integration scheme. The proposed PASINS can also be extended to LiDAR- or visual- centered navigation system in the future.
Keywords: Autonomous driving vehicle
Camera
GNSS
LiDAR
PASIN
Perception
Positioning
Urban canyon
Publisher: Institute of Electrical and Electronics Engineers
ISBN: 978-1-7281-0244-3 (Electronic ISBN)
978-1-7281-9446-2 (Print on Demand(PoD) ISBN)
DOI: 10.1109/PLANS46316.2020.9109962
Rights: © 2020 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
The following publication Hsu, L. T., & Wen, W. (2020, April). New Integrated Navigation Scheme for the Level 4 Autonomous Vehicles in Dense Urban Areas. In 2020 IEEE/ION Position, Location and Navigation Symposium (PLANS) (pp. 297-305) is available at https://doi.org/10.1109/PLANS46316.2020.9109962
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