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A Distributed and Collaborative Beamforming algorithm for a self-organizing Wireless Sensor Network

A Distributed and Collaborative Beamforming algorithm for a self-organizing Wireless Sensor Network,10.1016/j.phycom.2011.06.003,Physical Communicatio

A Distributed and Collaborative Beamforming algorithm for a self-organizing Wireless Sensor Network  
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In this paper the scenario where sensors of a Wireless Sensor Network (WSN) are able to process and transmit monitored data to a far collector is considered. The far collector may be a Base Station (BS) that gathers data from a certain number of deployed WSNs, in applications such as earthquake, tsunami, or pollution monitoring. In this paper, the possible use of Distributed and Collaborative BeaMForming (DC-BMF) technique is analyzed, with the goal of enhancing the capability of a single sensor to communicate its data to the far collector. This technique considers nodes as elements of a phased array, where the phases of the signals at each antenna node are linearly combined in order to adjust the directional gain of the whole array. In particular, a novel self-localization technique for WSNs performing DC-BMF is studied, a closed form solution for beamforming gain degradation is derived and the evaluation of the power consumption of the proposed DC-BMF algorithm is provided.
Journal: Physical Communication , vol. 4, no. 3, pp. 172-181, 2011
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