Abstract
Clock synchronization is a crucial issue for data fusion, localization, duty cycle scheduling, and topology management in wireless sensor networks (WSNs). In this paper we proposed a cognitive global clock synchronization protocol (CGCSP) that is an accurate, energy efficient and reliable clock synchronization protocol in WSNs based on a single reference node. The CGCSP tackles the disadvantages of being single reference node by a cognitive switchover mechanism. This structure has been validated through the development of basic synchronization schemes i.e. sender-receiver (S-R) synchronization and receiver-receiver (R-R) synchronization. By evaluating and comparing the performances of it with state of the art protocols such as reference broadcast synchronization (RBS) and timing-sync protocol for sensor networks (TPSN), the proposed CGCSP shows reasonable lead over them in single hop network as well as in multi hop networks in terms of average synchronization accuracy and energy efficiency.
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This work was supported by the National Natural Science Foundation of China under grant number 61171145.
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Ahmad, B., Shiwei, M., Qi, F. (2018). A Cognitive Global Clock Synchronization Protocol in WSNs. In: Peng, SL., Wang, SJ., Balas, V., Zhao, M. (eds) Security with Intelligent Computing and Big-data Services. SICBS 2017. Advances in Intelligent Systems and Computing, vol 733. Springer, Cham. https://doi.org/10.1007/978-3-319-76451-1_21
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DOI: https://doi.org/10.1007/978-3-319-76451-1_21
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