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Wireless Sensor Networks: A New Regime for Time Synchronization (2002)
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| Venue: | IN PROCEEDINGS OF THE FIRST WORKSHOP ON HOT TOPICS IN NETWORKS (HOTNETS-I |
| Citations: | 197 - 9 self |
BibTeX
@INPROCEEDINGS{Elson02wirelesssensor,
author = {Jeremy Elson and Kay Römer},
title = {Wireless Sensor Networks: A New Regime for Time Synchronization },
booktitle = {IN PROCEEDINGS OF THE FIRST WORKSHOP ON HOT TOPICS IN NETWORKS (HOTNETS-I},
year = {2002},
publisher = {}
}
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Abstract
Wireless sensor networks (WSNs) consist of large populations of wirelessly connected nodes, capable of computation, communication, and sensing. Sensor nodes cooperate in order to merge individual sensor readings into a high-level sensing result, such as integrating a time series of position measurements into a velocity estimate. The physical time of sensor readings is a key element in this process called data fusion. Hence, time synchronization is a crucial component of WSNs. We argue that time synchronization schemes developed for traditional networks such as NTP [21] are ill-suited for WSNs and suggest more appropriate approaches.
Keyphrases
time synchronization wireless sensor network new regime velocity estimate crucial component sensor reading physical time traditional network appropriate approach key element time series high-level sensing result position measurement time synchronization scheme large population individual sensor reading data fusion sensor node cooperate
