本文针对无线传感网络在智能农业低消息延迟、低占空比要求的应用场景下，对几种信道访问控制技术进行了研究，着重分析了分布式MD协议对于此场景下作为无线传感网络信道访问控制协议的可行性。%This paper reviews several wireless MAC protocols for wireless sensor network in intelligent agriculture which has characteristics of low duty cycle and high tolerance for latency. Distributed MD protocol is analyzed specifically, and key parameters under the application of intelligent agriculture are given. It is concluded that the Distributed MD protocol is a feasible solution.
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