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Sensors 2015, 15(1), 1676-1690; doi:10.3390/s150101676

Optimal Base Station Placement for Wireless Sensor Networks with Successive Interference Cancellation

1
School of Computer and Information, Hefei University of Technology, Hefei 230009, China
2
Intelligent Automation Inc., 15400 Calhoun Drive, Rockville, MD 20855, USA
*
Author to whom correspondence should be addressed.
Received: 29 September 2014 / Accepted: 8 January 2015 / Published: 14 January 2015
(This article belongs to the Section Sensor Networks)
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Abstract

We consider the base station placement problem for wireless sensor networks with successive interference cancellation (SIC) to improve throughput. We build a mathematical model for SIC. Although this model cannot be solved directly, it enables us to identify a necessary condition for SIC on distances from sensor nodes to the base station. Based on this relationship, we propose to divide the feasible region of the base station into small pieces and choose a point within each piece for base station placement. The point with the largest throughput is identified as the solution. The complexity of this algorithm is polynomial. Simulation results show that this algorithm can achieve about 25% improvement compared with the case that the base station is placed at the center of the network coverage area when using SIC. View Full-Text
Keywords: base station placement; wireless sensor network; interference management; successive interference cancellation base station placement; wireless sensor network; interference management; successive interference cancellation
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Shi, L.; Zhang, J.; Shi, Y.; Ding, X.; Wei, Z. Optimal Base Station Placement for Wireless Sensor Networks with Successive Interference Cancellation. Sensors 2015, 15, 1676-1690.

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