RSU利用3G网络收集其管理域内所有车辆的消息收发记录，汇总整理得到该

RSU uses the 3G network to collect the message sending and receiving records of all vehicles in its management domain, summarizes and organizes the overall performance of periodic safety message communication of all vehicles in the management domain, and starts automatically at any time according to needs (either triggered by performance deterioration or triggered periodically and unconditionally). Adaptation strategies;

RSU uses the 3G network to collect the messaging records of all vehicles in its management domain, summarizes and organizes the overall performance of periodic safety message communications for all vehicles in the management domain, and initiates adaptive adjustment strategies at any time as needed (performance degradation triggers or periodic unconditional triggers two ways);

RSU uses 3G network to collect the message sending and receiving records of all vehicles in its management domain, summarizes and collates the overall performance of periodic safety message communication of all vehicles in the management domain, and starts the adaptive adjustment strategy at any time according to the needs (performance deterioration trigger or periodic unconditional trigger);<br>