目前随着交通复杂程度的不断增大,当前的交通通信系统无法满足车辆间远程、及时通信的要求,降低了行车安全性;为此,设计一种基于基于ARM920T的嵌入式远程及时通信系统,介绍了系统需实现的功能,以ARM920T芯片为核心,利用通信管理机完成数据交换,结合嵌入式系统平台完成系统硬件设计;基于ARM920T的车辆通信子系统通过车辆通信对车辆的行驶进行及时的路线跟踪、碰撞提醒,状态监测以及历史轨迹显示回放;对通信子系统进行设计,子系统分别为车辆定位系统以及车辆调度系统,构建车辆通信模型,进一步实现车辆精准远程通信,并结合蚁群算法对车辆通信模型进行求解;实验结果表明,所设计通信系统不仅通信精度高,而且成本较低,实时性优.%At present,with the increasing complexity of traffic,the current traffic and communication system can not meet the requirements of remote and timely communication between vehicles,and reduce traffic safety.Therefore,based on the design of a embedded remote timely communication system based on ARM920T,introduced the system to achieve the function,use ARM920T chip as the core,to complete the data exchange using the communication management machine,combined with the embedded system platform to complete the system hardware design.The vehicle communication subsystem based on ARM920T carries out the vehicle route tracking,collision warning,status monitoring and historical track display and playback of vehicle through vehicle communication.The design of communication subsystem,subsystem for vehicle positioning system and vehicle scheduling system,construct the vehicle communication model,to achieve accurate vehicle remote communication,combined with the ant colony algorithm to solve the vehicle communication model.The experimental results show that the designed communication system not only has high communication accuracy,but also has low cost and good real-time performance.
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