[1]黄海利,王晓喃.基于IEEE802.15.4的动态自适应占空比方案[J].南京师大学报(自然科学版),2014,37(01):35.
　Huang Haili,Wang Xiaonan.A Dynamic Duty Cycle Adaption Scheme Based on IEEE802.15.4[J].Journal of Nanjing Normal University(Natural Science Edition),2014,37(01):35.
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基于IEEE802.15.4的动态自适应占空比方案()
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《南京师大学报（自然科学版）》[ISSN:1001-4616/CN:32-1239/N]

卷:
第37卷
期数:
2014年01期
页码:
35
栏目:
计算机科学
出版日期:
2014-03-30

文章信息/Info

Title:
A Dynamic Duty Cycle Adaption Scheme Based on IEEE802.15.4
作者:
黄海利1; 2; 王晓喃2
(1.中国矿业大学计算机科学与技术学院,江苏 徐州 221008) (2.常熟理工学院计算机科学与工程学院,江苏 常熟 215500)
Author(s):
Huang Haili1; 2; Wang Xiaonan2
(1.School of Computer Science and Technology,China University of Mining and Technology,Xuzhou 221008,China) (2.School of Computer Science and Engineering,Changshu Institute of Technology,Changshu 215500,China)
关键词:
IEEE802.15.4; 业务流量; 占空比; 能量消耗
Keywords:
IEEE802.15.4; duty cycle; energy consumption; transmission
分类号:
TP393
文献标志码:
A
摘要:
在无线传感器网络中,IEEE802.15.4协议采用固定的占空比机制,而网络流量却是动态变化的,所以固定的占空比机制不适合于动态的网络流量.因此,本文提出了一种动态自适应占空比方案DSBA(Dynamic Superframeorder Beaconorder Adaption),该方案通过感知网络流量动态调整节点占空比,即对比当前节点所能处理的数据帧数量和下一周期将要收到的数据帧数量,动态调整占空比使之适合网络流量传输从而提高网络性能.仿真结果表明该方案不仅减少了能量消耗,也降低了丢包率和传输延迟.
Abstract:
In wireless sensor networks,IEEE802.15.4 MAC adopts fixed(namely,Duty Cycle)scheme.However,network traffic changes dynamically,so the fixed duty cycle is unsuitable for dynamic network traffic.Therefore,this paper proposes a dynamic duty adaption scheme DSBA(Dynamic Superframeorder Beaconorder Adaption).In this scheme,the duty cycle is dynamically adjusted according to network traffic.Through comparing the number of current data frames with the one of data frames in the next period,two main parameters of duty cycle are dynamically adjusted in order to improve the transmission performance.The simulation results show that DSBA effectively reduces energy consumption,packet loss rate and transmission delay.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2013-10-20.
基金项目:国家自然科学基金(61202440).
通讯联系人:王晓喃,博士后,副教授,研究方向:计算机网络与应用.E-mail:wxn_2001@163.com
更新日期/Last Update: 2014-03-30