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随着无线传感器网络在工业测控,医疗监护和智能建筑等领域的迅速发展,使用单一信道和信道竞争的MAC层协议已经很难满足这些应用的低功耗、抗干扰、高可靠性和可预测可控制时延等要求.基于多信道的MAC层协议是满足这些应用要求的一个重要手段.本文提出了系统的对多信道MAC层协议的分类方法,并总结和比较了到目前为止在无线传感器网络多信道MAC层协议方面的主要研究工作和国际标准化协议的研究进展,最后提出了在这个领域的若干研究课题和发展方向.
With the rapid development of wireless sensor networks in the fields of industrial monitoring and control, medical monitoring and intelligent building, it is hard to meet the low power consumption, anti-interference, high reliability and predictability of MAC layer protocols using single channel and channel competition Can control the delay and so on.MAC layer protocol based on multi-channel is an important means to meet the requirements of these applications.This paper presents the classification of multi-channel MAC layer protocol in the system, and summarizes and compares the so far in the wireless sensor Network multi-channel MAC layer protocol research and international standardization agreement of the research progress, and finally proposed in this area a number of research topics and direction of development.