基于单片机的嵌入式多节点网络通信系统设计Design of embedded multi-node network communication system based on single chip microcomputer
杨娜
摘要(Abstract)：
为解决传统网络通信系统存在数据传输速度慢、传输能耗高及稳定性差的问题,提出一种基于单片机的嵌入式多节点网络通信系统设计。将C8051F020高速8位单片机作为嵌入式多节点网络通信系统的主控芯片,采用HCNR200线性光耦对运放电路滤波以及调节,根据低压差线性稳压器对电源输出电压进行转换,将主控芯片与系统各组成模块进行连接,通过双频结构实现对节点数据传输能耗的控制。在系统的软件部分设计中设定一个阈值,当簇群中的通信距离与簇群间的通信距离小于该阈值时,通信信道为休眠状态;当簇群中的通信距离与簇群间的通信距离大于该阈值时,则信道立即执行任务,由此完成网络通信系统的设计。实验结果证明,所提方法提升了系统的稳定性,降低了网络通信节点的传输能耗,且提高了数据的传输速度。
关键词(KeyWords)： 传输能耗;嵌入式;多节点;稳压器;阈值;网络通信系统
基金项目(Foundation): 河南省科技厅科技攻关计划项目(152102210001)~~
作者(Author): 杨娜
DOI: 10.16652/j.issn.1004-373x.2018.11.004
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