Wireless Sensor Networks (WSN) consists of numerous tiny sensors deployed at high density regions requiring surveillance and monitoring. The sensors are deployed at a cost much lower than the traditional wired sensor system. A large number of sensors deployed will enable for accurate measurements. In this paper, the sink placement problem has been explained i.e. where the best places for the sink nodes are calculated depending on Candidate Location with Minimum Hop (CLMH) and Geographical Sink Placement (GSP) strategies. Both strategies are compared so as to know which strategy is better. From this it can be concluded that finalising Sink position, will impact energy efficiency and network lifetime.
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