On the Trade-off of Power Consumption and Time Synchronization Quality in Wireless Sensor Networks

被引：0
|
作者：
Briff, Pablo [1 ]
Lutenberg, Ariel [1 ]
Rey Vega, Leonardo [2 ]
Vargas, Fabian [3 ]
机构：
[1] Univ Buenos Aires, Fac Engn, Embedded Syst Lab, 850 Paseo Colon Ave, Buenos Aires, DF, Argentina
[2] Univ Buenos Aires, Fac Engn, Signal Proc & Communicat Lab, Buenos Aires, DF, Argentina
[3] Catholic Univ PUCRS, Fac Engn, Signals & Syst Comp Grp, BR-6681 Porto Alegre, RS, Brazil
来源：
2012 IEEE SENSORS PROCEEDINGS | 2012年
关键词：
wireless sensor networks; clock estimation; time synchronization; outage probability; wireless channel fading;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this work we find a lower bound on the energy required for synchronizing a Wireless Sensor Network (WSN) based on clock estimation techniques. The energy required for synchronizing a WSN is specified by both the transmit power and the required number of messages in order to achieve a desired estimation error level. This paper brings two main contributions: 1. A general relationship between the energy spent in the transmission and the clock offset estimation error by means of the number of transmitted messages, for both large-scale and small-scale wireless channel fading. 2. An optimal lower bound on the required energy and the number of messages by minimizing their product.
引用
收藏
页码：1927 / 1930
页数：4
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