A new energy efficient data transmission method for underwater wireless sensor networks

Authors:
Sangbo Seo;Seungmi Song;Eunsook Kim;Sungun Kim
Affiliations:
Pukyong National University, Busan, Korea;Pukyong National University, Busan, Korea;Protocol Engineering Center, Daejeon, Korea;Pukyong National University, Busan, Korea
Venue:
CSTST '08 Proceedings of the 5th international conference on Soft computing as transdisciplinary science and technology
Year:
2008

Citing 6
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Abstract

The Underwater Wireless Sensor Network (UWSN) consists of sensor nodes equipped with a small battery of limited energy resource. A key design issue here is the energy efficiency that needs to be addressed in order to increase the lifetime of the network. In this paper, we apply a hexagon tessellation with an ideal cell size to deploy the underwater sensor nodes for two-dimensional UWSN. Upon this setting, we propose an enhanced hybrid transmission method that considers load balancing of data transmission in two-dimensional UWSN. The proposed method applies the threshold annulus that is defined as the distance between a node and the Base Station (BS) and allocates different frequencies to different annuluses. The simulation results show that the proposed method enhances the energy efficiency compared to the existing multi-hop forwarding methods and hybrid transmission methods.