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本文针对ECMA-368标准第二版的媒体访问控制(MAC)协议,在介绍帧格式、超帧结构的基础上,分析总结了MAC子层的信标机制、PCA协议、DRP协议和能量管理等主要内容。作为一种全分布式的MAC协议标准,ECMA-368可以有效地管理和控制设备,为上层提供灵活的数据通信服务,非常适合无中心的高速无线个域网络。文章最后也指出了协议在具体应用方面的若干不足。
In this paper, based on the introduction of the frame format and super-frame structure of Media Access Control (MAC) protocol of the second edition of ECMA-368, the beacon mechanism, PCA protocol, DRP protocol and energy management of MAC sublayer are analyzed and summarized main content. As a fully distributed MAC protocol standard, the ECMA-368 can efficiently manage and control devices, provide flexible data communication services for upper layers, and are ideally suited for decentralized high-speed wireless personal area networks. Finally, the article also pointed out the agreement in the specific application of several deficiencies.