Hardware validated efficient and simple Time Synchronization protocol for clustered WSN

Abstract

Time Synchronization in WSN is a well-researched topic. But there are very few algorithms which have been proven to be scalable and efficient on a hardware platform. We consider cluster-based network and try to improve the efficiency of the existing algorithms. Our algorithm called as Simple Algorithm for Time Synchronization (SATS) is based on an existing receiver-sender synchronization algorithm [1]. We implement it in a cluster-based topology and do its performance analysis on a large WSN test bed. Its performance is compared with commonly used regression based synchronization protocol both analytically and on the hardware platform. Our experiments show that our algorithm shows a significant improvement in terms of average synchronization error and computational efficiency over regression based method.