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Nowadays Smart Home seems to be getting popular. An essential element of Smart Home is its sensor network to convey environment information to the control station. There have been many communication protocols for this sensor network. A problem from previous protocols is unbalanced energy consumption among sensor nodes. Even though they tried to overcome unbalanced energy consumption, they could not solve this problem completely yet. In this paper, we found that the basic reason for this unbalanced energy consumption is that there is normally one base node. Because of this architectural problem, the nodes around this sink node lose their energy more easily in relevance to other nodes. So, we propose the sensor network model with 2 and only 2 base stations with simulations, and its corresponding communication protocol.
Date of Conference: 16-19 Oct. 2007