Controlling Communications Quality in V2V Platooning: a TSN-like Slot-Based Scheduler Approach
arxiv(2024)
摘要
Connected vehicles, facilitated by Vehicle-to-Vehicle (V2V) communications,
play a key role in enhancing road safety and traffic efficiency. However, V2V
communications primarily rely on wireless protocols, such as Wi-Fi, that
require additional collision avoidance mechanisms to better ensure bounded
latency and reliability in critical scenarios. In this paper, we introduce a
novel approach to address the challenge of message collision in V2V platooning
through a slotted-based solution inspired by Time-Sensitive Networking (TSN),
which is gaining momentum for in-vehicle networks. To this end, we present a
controller, named TSNCtl, operating at the application level of the vehicular
communications stack. TSNCtl employs a finite state machine (FSM) to manage
platoon formation and slot-based scheduling for message dissemination. The
reported evaluation results, based on the OMNeT++ simulation framework and INET
library, demonstrate the effectiveness of TSNCtl in reducing packet collisions
across various scenarios. Specifically, our experiments reveal a significant
reduction in packet collisions compared to the CSMA-CA baseline used in
traditional Wi-Fi-based protocols (e.g., IEEE 802.11p): for instance, with slot
lengths of 2 ms, our solution achieves an average collision rate under 1
compared to up to 50
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