One of the main pervasive problems Wireless Sensor Networks (WSN) encounteris to maintain flawless communication sharing and cooperative processingbetween sensors via radio links to ensure a reliable treatment of information.Many applications based on these WSNs consider local clocks at each sensor nodethat need to be synchronized to a common notion of time. In this context, themajority of previous researches were focused on the study of protocols, andalgorithms that address these issues in order to resolve synchronizationproblems. Previous fforts and empirical studies in wireless sensor network(WSN) proposed several solutions (algorithms). The focus of this this paper isto examine and evaluate the most important synchronization algorithms based onthe positions of various quantitative and qualitative synchronization protocolsfor energy-efficient information processing and routing in WSNs.
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