A High-Throughput Photon Processing Technique for Range Extension of SPAD-based LiDAR Receivers

Sarrah Patanwala, Istvan Gyongy, Hanning Mai, Andreas Assmann, Neale Dutton, Bruce R. Rae, Robert K. Henderson

Research output: Contribution to journalReview articlepeer-review

Abstract

There has recently been a keen interest in developing LiDAR systems using SPAD sensors. This has led to a variety of implementations in pixel combining techniques and TDC architectures for such sensors. This paper presents a comparison of
these approaches and demonstrates a technique capable of extending the range of LiDAR systems with improved resilience to background conditions. A LiDAR system emulator using a reconfigurable SPAD array and FPGA interface is used to compare these different techniques. A Monte Carlo simulation model leveraging synthetic 3D data is presented to visualize the sensor performance on realistic automotive LiDAR scenes.
Original languageEnglish
Pages (from-to)12-25
Number of pages14
JournalOpen Journal of the Solid-State Circuits Society
Volume2
Early online date11 Oct 2021
DOIs
Publication statusE-pub ahead of print - 11 Oct 2021

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