Ubiquitous Computing and Communication Journal
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Title: Tree Structured Time Synchronization Protocol in Wireless Sensor Network
Authors: Mr. Surendra Rahamatkar, Dr. Ajay Agarwal, Mr. Vineet Sharma, Mr. Pankaj Gupta
Wireless sensor networks (WSNs) assume a collection of tiny sensing devices connected wirelessly and which are used to observe and monitor a variety of phenomena in the real physical world. Time synchronization is an important issue in wireless sensor networks. Many applications based on these WSNs assume local clocks at each sensor node that need to be synchronized to a common notion of time. Some intrinsic properties of sensor networks such as limited resources of energy, storage, computation, and bandwidth, combined with potentially high density of nodes make traditional synchronization methods unsuitable for these networks. Hence there has been an increasing research focus on designing synchronization algorithms. This paper reviews existing time synchronization protocols and the need for synchronization in sensor networks and then presents the proposed algorithm to construct adhoc tree structure of sensor network along with the process of clock synchronization.