Time Synchronization in Wireless Sensor Network

Provided by: International Journal of Computer Science and Mobile Computing (IJCSMC)
Topic: Networking
Format: PDF
Time synchronization is a basic requirement for various applications in wireless sensor network, e.g., event detection, speeds estimating, environment monitoring, data aggregation, target tracking, scheduling and sensor nodes cooperation. Time synchronization is also helpful to save energy in WSN because it provides the possibility to set nodes into the sleeping mode. In wireless sensor networks all of above applications need that all sensor nodes have a common time reference. However, most existing time synchronization protocols are likely to deteriorate or even be destroyed when the WSNs attack by malicious intruders.

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