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Modelling of SPAD-based time-of-flight measurement techniques

: Beer, Maik; Schrey, Olaf; Hosticka, Bedrich J.; Kokozinski, Rainer


Institute of Electrical and Electronics Engineers -IEEE-:
European Conference on Circuit Theory and Design, ECCTD 2017 : Catania, Italy, September 4-6, 2017
Piscataway, NJ: IEEE, 2017
ISBN: 978-1-5386-3974-0
ISBN: 978-1-5386-3975-7
4 pp.
European Conference on Circuit Theory and Design (ECCTD) <2017, Catania>
Conference Paper
Fraunhofer IMS ()
light detection and ranging (LIDAR); SPAD; Time-of-Flight (ToF); range imaging

For applications like autonomous driving a fast and reliable monitoring of the vehicle's environment is essential. With the possibility of fabricating single-photon avalanche diodes in standard CMOS processes, small and cost-efficient time-of-flight sensors can be realized. To estimate the performance of such a sensor a general theoretical model taking into account the properties of the light source, the sensor, and the environment is of key importance. In this paper we will present a model to predict the performance parameters like achievable range and precision of different time-of-flight measurement techniques.