| | |
Summary: Ultra-Low Power Time Synchronization Using Passive
Radio Receivers
Yin Chen
Qiang Wang
Marcus Chang
Andreas Terzis
Computer Science Department
Dept. of Control Science and Engineering
Johns Hopkins University Harbin Institute of Technology
Baltimore, MD 21218, USA Harbin, P. R. China, 150001
{yinchen,mchang,terzis}@cs.jhu.edu wangqiang@hit.edu.cn
ABSTRACT
Considering its central importance to sensor networks, time syn-
chronization has received extensive attention by the research com-
munity. Nevertheless, we argue in this paper that existing ap-
proaches introduce undesirable trade-offs. For example, while GPS
offers excellent accuracy for outdoor deployments, the high cost
and power consumption of GPS receivers make them prohibitive
to many applications. Message-passing protocols, such as FTSP,
|
