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ZigBee模块无线传输星形拓扑组网结构简介
2022-06-11 09:51:00 【成都亿佰特电子科技有限公司】
zigbee模块无线传输协议的星形拓补是其三种拓补中最简单的拓补结构,包括一个Co-ordinator(zigbee中央协调器)网络节点和多个enddevice(zigbee模块终端)网络节点。每个endevice(zigbee模块终端)网络节点只能与co-ordinator(zigbee模块协调器)网络节点链接通信,其他endevice(zigbee终端)网络节点不能链接。如果需要在两个endevice(终端)网络节点中间进行相互通信,必须通过链接co-ordinator(zigbeee模块协调器)网络节点接收和转发信息。

Zigbee模块无线传输技术的拓补结构存在一个缺陷:网络节点中间的无线传输模式仅有一个独一无二的路由。Co-ordinator(协调器)网络节点的状态可能成为整个网络的影响点。星形网络拓扑实现的网络不需要使用Zigbee模块的网络层无线传输协议,因为IEE802.15.4的协议层已经在星形拓补结构的基础上实现,但这增加了开发者在应用层中的更多工作,包括信息接收和转发。
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