Optimal transmission range for topology management in wireless sensor networks

Authors:
Jongmin Shin;Miae Chin;Cheeha Kim
Affiliations:
Department of Computer Science and Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Korea;Department of Computer Science and Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Korea;Department of Computer Science and Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Korea
Venue:
ICOIN'06 Proceedings of the 2006 international conference on Information Networking: advances in Data Communications and Wireless Networks
Year:
2006

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Abstract

Topology management protocols aim to minimize the number of nodes in densely distributed sensor networks that constitute the topology Most protocols construct the topology with a fixed transmission range (i.e maximum transmission power) With respect to the power consumed by data transmission, it is more efficient to communicate with shorter transmission range, even with the number of nodes in the topology increased In the sense of minimizing the total power consumed by the topology management as well as data transmissions, it is necessary to find an optimal transmission range Moreover, data rate is also an important factor to determine the total transmission energy In this paper, we obtain the optimal transmission range for a given data rate and maximum transmission power to minimize the total power consumption.