A 20ch TDC/ADC Hybrid SoC for 240×96-Pixel 10%-Reflection <0.125%-Precision 200m-Range Imaging LiDAR with Smart Accumulation Technique

📋 论文概要

本文提出了一款20通道TDC/ADC混合SoC，用于240×96像素的成像LiDAR系统，实现了200米测距范围、10%反射率下小于0.125%的精度。通过智能累积技术解决了长距离高精度LiDAR中的信噪比和精度问题。

💡 主要创新点

• 提出TDC/ADC混合架构，结合时间数字转换与模数转换，兼顾高精度与长距离测距。
• 采用智能累积（Smart Accumulation）技术，提升信噪比和测量精度。
• 集成20通道并行处理，实现240×96像素分辨率的高效成像。

🏷 关键词

📄 原文摘要

Satoshi Kondo1, Tuan Thanh Ta1, Hidenori Okuni1, Kaori Watanabe1, Yoshinari Ojima1, Katsuyuki Kimura1, Sohichiroh Hosoda1, Yutaka Oota1, Tomohiro Koizumi1, Naoyuki Kawabe1, Yasuhiro Ishii1, Yoichiro Iwagami1, Seitaro Yagi1, Isao Fujisawa2, Nobuo Kano1, Tomohiro Sugimoto1, Daisuke Kurose1, Naoya Waki1, Yumi Higashi2, Tetsuya Nakamura1, Yoshikazu Nagashima1, Hirotomo Ishii1, Akihide Sai1, Nobu Matsumoto1 Toshiba, Kawasaki, Japan; 2Toshiba Memory, Kawasaki, Japan 1 Long-range and high-pixel-resolution LiDAR systems, using Time-of-Flight (ToF) information of the reflected photon from the target, are essential upon launching safe and reliable self-driving programs of Level 4 and above. 200m long-range distance measurement (DM) is required to sense proceeding vehicles and obstacles as fast as possible in a highway situation. To realize safe and reliable self-driving in city areas, LiDAR systems uniting wide angle-of-view and high pixel resolution

👥 作者与机构

Kentaro Yoshioka1, Hiroshi Kubota1, Tomonori Fukushima1,