[1]李文艳,邵世祥. WSN中流量自适应的超低功耗MAC协议[J].计算机技术与发展,2017,27(03):113-116.
　LI Wen-yan,SHAO Shi-xiang. Traffic-aware Adaptive MAC Protocol with Ultra-low Power for WSN[J].,2017,27(03):113-116.
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 WSN中流量自适应的超低功耗MAC协议()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
27
期数:
2017年03期
页码:
113-116
栏目:
智能、算法、系统工程
出版日期:
2017-03-10

文章信息/Info

Title:
 Traffic-aware Adaptive MAC Protocol with Ultra-low Power for WSN
文章编号:
1673-629X（2017)03-0113-04
作者:
 李文艳; 邵世祥
 南京邮电大学
Author(s):
 LI Wen-yan; SHAO Shi-xiang
关键词:
 ; MAC协议; 无线通信模块; 休眠状态; 流量自适应; 超低功耗
Keywords:
 ; Media Access Control ( MAC) protocol; wireless communication module; sleep mode; traffic-aware; ultra-low power
分类号:
TN915
文献标志码:
A
摘要:
 为了减少无线传感网络中传感器节点的功耗,当有数据收发时,传感器节点就开启无线通信模块进行发送或侦听,如果没有数据收发时,传感器节点控制无线通信模块进入休眠状态.采用休眠方式最大的问题在于,节点休眠时无法接收数据.如果没有较好的协议设计,节点就会因休眠而无法及时唤醒进行数据接收,进而降低了整个网络的性能.针对此问题,提出了一种新的基于流量自适应的超低功耗MAC协议.该协议根据网络中的通信量来对节点休眠和唤醒的时间进行实时调度:当网络通信量低时,网络进入非调度阶段;当网络通信量高时,网络进入调度阶段.设计的MAC通信协议在保留了同步网络和异步网络的优点的基础上,对算法做了进一步改进,相对现有传统的MAC协议,大大地降低了传感器网络功耗和网络时延.
Abstract:
 In order to reduce the power consumption of the sensor nodes in WSN,when data is being transmitted or received,the wireless communication module of the nodes are supposed to start operation to send the data or listen to the channel,otherwise it enters a sleep mode. However,the biggest problem is that the sensor nodes are unable to receive data when being in the sleep mode. Without a better protocol designed,data will be failed to be received since the nodes are in sleep mode,and thus the entire network performance is re-duced. For this problem,a new traffic-aware adaptive MAC protocols with ultra-low power for WSN is proposed. In the designed MAC protocol,the sleeping time and wake-up time in real time of the nodes are scheduled based on the network traffic. If network traffic is low,it enters the phase of non-scheduling or else the phase of scheduling. In addition to the advantages of synchronous network and asyn-chronous network,the algorithm is further improved in this designed MAC protocol. Compared with the existing traditional MAC proto-cols,the power consumption and the delay of the sensor network is reduced greatly with the designed MAC protocol.

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更新日期/Last Update: 2017-05-18