WLC12-2: bounds on the lifetime of wireless sensor networks employing multiple data sinks

Azad, A. P. ; Chockalingam, A. (2006) WLC12-2: bounds on the lifetime of wireless sensor networks employing multiple data sinks In: IEEE Globecom 2006 Global Telecommunications Conference, 27 November-1 December 2006, San Francisco, USA.

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Official URL: http://ieeexplore.ieee.org/document/4151311/

Related URL: http://dx.doi.org/10.1109/GLOCOM.2006.681

Abstract

Employing multiple base stations is an attractive approach to enhance the lifetime of wireless sensor networks. In this paper, we address the fundamental question concerning the limits on the network lifetime in sensor networks when multiple base stations are deployed as data sinks. Specifically, we derive upper bounds on the network lifetime when multiple base stations are employed, and obtain optimum locations of the base stations (BSs) that maximize these lifetime bounds. For the case of two BSs, we jointly optimize the BS locations by maximizing the lifetime bound using a genetic algorithm based optimization. Joint optimization for more number of BSs is complex. Hence, for the case of three BSs, we optimize the third BS location using the previously obtained optimum locations of the first two BSs. We also provide simulation results that validate the lifetime bounds and the optimum locations of the BSs.

Item Type:Conference or Workshop Item (Paper)
Source:Copyright of this article belongs to Institute of Electrical and Electronics Engineers.
ID Code:102395
Deposited On:22 Mar 2017 09:01
Last Modified:22 Mar 2017 09:01

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