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Plethora of anticipated applications and ease of deployment have influenced researchers and disseminated the importance of sensor networks in the research community. Energy (battery-power) is an important and meager resource in sensor networks. We attempt to conserve energy in the sensor network and posit a priority based channel assignment with pair-wise listen and sleep scheduling scheme. The scheme uses distinct channels in one-hop neighborhood of a node. In case of non-availability of any new channel, we intelligently reuse the existing channels to guarantee that the node with minimum energy in one-hop neighborhood has more chance of getting a dedicated channel. We also incorporate periodic listen and sleep methodology in a pair-wise fashion to conserve battery-power of each node. Simulation results show that the proposed strategy fends to conserve reasonable amount of battery power and avoids collisions.
Date of Conference: 24-26 Dec. 2004