Asynchronous energy-efficient mac protocols for wireless sensor networks

被引：0
|
作者：
Ren, Qingchun [1 ]
Liang, Qilian [1 ]
机构：
[1] Univ Texas, Dept Elect Engn, Arlington, TX 76019 USA
来源：
MILCOM 2005 - 2005 IEEE MILITARY COMMUNICATIONS CONFERENCE, VOLS 1-5 | 2005年
关键词：
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
In this paper, we propose two asynchronous energy-efficient MAC protocols: A-MAC and ASCEMAC, from contention- and schedule-based perspectives correspondingly. Through applying free-running method, novel rescheduling and time-slot allocation schemes, A-MAC and ASCEMAC do not require network time synchronization any more, which is necessary in existing energy-efficient MAC protocols. So, our algorithms are more suitable for the system which is difficult to ensure perfect network time synchronization. Moreover, We present a traffic-intensity - and network-density-based model to compute essential algorithm parameters: power on/off duration, interval of schedule broadcast, as well as super-time-slot size and sequence.
引用
收藏
页码：1850 / 1856
页数：7
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