| 基于SMAC的无线传感器网络MAC协议的分析与优化 |
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| 引用本文： | 赵雪莹.基于SMAC的无线传感器网络MAC协议的分析与优化[J].现代电子技术,2011,34(19):46-48. |
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| 作者姓名： | 赵雪莹 |
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| 作者单位： | 北京工业大学耿丹学院,北京,101301 |
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| 摘 要： | 首先对MAC协议进行了相关介绍。然后重点介绍了一种基于竞争的无线传感器网络MAC层协议S-MAC协议。其核心是提出了一种新的无线传感器网络的MAC协议设计方案。基于动态调整占空比的思想,提出了ATC-SMAC协议。该协议在S-MAC协议的基础上改进了固定占空比的劣势,根据每个节点上的数据包的平均延迟调整占空比。通过动态地调整每个节点的占空比,使不同流量的节点拥有不同的工作时间,协议根据不同节点的流量情况自适应地对其占空比进行调整。经过仿真试验,得到ATC-MAC在网络端对端延迟、能量消耗以及吞吐量方面较S-MAC协议都有比较明显的提高。
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| 关 键 词： | 无线传感器网路 MAC协议 动态占空比 ATC-SMAC协议 |
Analysis and Optimization of MAC Protocol of SMAC-based Wireless Sensor Network |
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| ZHAO Xue-ying.Analysis and Optimization of MAC Protocol of SMAC-based Wireless Sensor Network[J].Modern Electronic Technique,2011,34(19):46-48. |
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| Authors: | ZHAO Xue-ying |
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| Affiliation: | ZHAO Xue-ying(Gengdan Institute,Beijing University of Technology,Beijing 101301,China) |
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| Abstract: | The MAC protocol is introduced.A wireless sensor network MAC layer protocol based on competition named S-MAC protocol is analyzed.The core of this paper is the design scheme of MAC protocol of a new wireless sensor network,and the ATC-SMAC protocol based on the dynamic adjustment of duty cycle is proposed.This protocol improved the disadvantages of fixed duty cycle of S-MAC,and used the strategy of adjusting the duty cycle according to average packet delay on one node.Nodes with different traffic owned diff... |
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| Keywords: | wireless sensor network MAC protocol dynamic duty-cycle ATC-SMAC |
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