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Time Synchronization on Android Devices for Mobile Construction Assessment

Authors:
Maik Benndorf
Thomas Haenselmann

Keywords: sensor networks; time synchronization; clock skew; clock drift

Abstract:
Within this work we aim to assess the structural integrity of buildings in the case of catastrophic events using several off-the shelf smart phones featuring vibration sensors. In order to compare the vibration samples obtained from different devices, precisely synchronized clocks are needed. In this article, we suggest how to align clocks based on sound beacons to mutually take clock drift and skew into account, in a precision which can be expected from traditional synchronization approaches like Network Time Protocol (NTP).

Pages: 83 to 87

Copyright: Copyright (c) IARIA, 2016

Publication date: July 24, 2016

Published in: conference

ISSN: 2308-4405

ISBN: 978-1-61208-490-9

Location: Nice, France

Dates: from July 24, 2016 to July 28, 2016