A strategy for checking timing constraint violation in wireless sensor networks

Authors:
Jaecheol Kim;Juil Kim;Woojin Lee;Kiwon Chong
Affiliations:
Department of Computing, Soongsil University, Dongjak-Gu, Seoul, Korea;Department of Computing, Soongsil University, Dongjak-Gu, Seoul, Korea;Department of Computing, Soongsil University, Dongjak-Gu, Seoul, Korea;Department of Computing, Soongsil University, Dongjak-Gu, Seoul, Korea
Venue:
ACOS'07 Proceedings of the 6th Conference on WSEAS International Conference on Applied Computer Science - Volume 6
Year:
2007

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Abstract

This paper proposes a strategy for checking timing constraint violation in wireless sensor networks. We present the process for checking timing constraint violation and the techniques for calculation of clock drift, collection of sending and receiving time, and calculation of data transfer time. Through the techniques of this paper, the user can know about data transfer time on each node and total data transfer time from a sensor node to the server. Then, the user can confirm whether the expected data transfer time is satisfied by analyzing the information. If the expected data transfer time is not satisfied in the sensor network, the user can find out where the delay has occurred. Real-time data processing is a key factor in sensor networks, so the sensing data should be transferred to the server in right time in order to perform the correct action at proper time. The proposed strategy will help the user to maintain correct real-time processing in the sensor network because the user can debug timing constraint violation.