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Clock synchronization among the nodes of wireless sensor networks (WSN) is important for many of its applications but this task becomes quite complex due to their special characteristics. To achieve this goal of clock synchronization, there have been many protocols and algorithms presented so far all of which rely on some kind of timing message exchange among the nodes to be synchronized. In this...
An improved approach, called receiver only synchronization (ROS), relative to timing synch protocol for sensor networks (TPSN) was devised based on a two-way timing message exchange mechanism between two nodes. In ROS, all the nodes in their transmission range overhear the messages and adjust their clock parameters without having to communicate by themselves, hence saving a lot of energy. In this...
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