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以微波通信监控网科研任务为背景，提出一种保证远程、低速、负荷较重的通信网络性能的通信协议。该协议的制定参考了ＣＳＭＡ／ＣＤ协议，并根据信道的实际情况和任务需求作出合理的改进，最后给出采用８０３１单片机的实现方法。该协议效率高、安全可靠，解决了窄带远程通信网有实时性要求的突发性数据传输问题。
With the research task of microwave communication monitoring network as a background, a communication protocol is proposed to ensure the performance of long-distance, low-speed and heavy load communication networks. The agreement was made with reference to the CSMA / CD protocol and made reasonable improvements according to the actual situation of the channel and the task requirements. Finally, the implementation method using 8031 singlechip is given. The protocol is efficient, safe and reliable, and solves the problem of burst data transmission in narrowband telecommunication networks with real-time requirements.