AutoCast: scalable infrastructure-less cooperative perception for distributed collaborative driving

AutoCast: scalable infrastructure-less cooperative perception for distributed collaborative driving
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AutoCast:可扩展的无基础设施的协作感知,用于分布式协作驾驶

DOI:
10.1145/3498361.3538925
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发表时间:
2022
期刊:
ACM MobiSys
影响因子:
--
通讯作者:
Govindan, Ramesh
Govindan, Ramesh
中科院分区:
--
文献类型:
--
作者:
Qiu, Hang;Huang, Po-Han;Asavisanu, Namo;Liu, Xiaochen;Psounis, Konstantinos;Govindan, Ramesh

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自动驾驶汽车使用3D传感器进行感知。协同感知使车辆能够彼此共享传感器读数,以提高安全性。先前的合作感知工作即使在基础设施的支持下也很差。AutoCast使用直接的车辆到车辆通信实现可扩展的无基础设施协作感知。它根据交通参与者之间的位置关系及其轨迹的时间演变仔细确定要共享的对象。它以分布式方式协调车辆并优化调度传输。在不同场景下的大量评估结果表明,与竞争方法不同,AutoCast可以避免在没有合作感知的情况下频繁发生的崩溃和未遂事件,其性能在密集交通场景中提供2- 4倍于现有合作感知方案的安全关键对象的可见性,其传输调度可以在真实的无线电测试平台上完成,并且其调度算法是接近最优的,具有可忽略的计算开销。
Autonomous vehicles use 3D sensors for perception. Cooperative perception enables vehicles to share sensor readings with each other to improve safety. Prior work in cooperative perception scales poorly even with infrastructure support. AutoCast enables scalable infrastructure-less cooperative perception using direct vehicle-to-vehicle communication. It carefully determines which objects to share based on positional relationships between traffic participants, and the time evolution of their trajectories. It coordinates vehicles and optimally schedules transmissions in a distributed fashion. Extensive evaluation results under different scenarios show that, unlike competing approaches, AutoCast can avoid crashes and near-misses which occur frequently without cooperative perception, its performance scales gracefully in dense traffic scenarios providing 2-4x visibility into safety critical objects compared to existing cooperative perception schemes, its transmission schedules can be completed on the real radio testbed, and its scheduling algorithm is near-optimal with negligible computation overhead.
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