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Development of Selection Function for the Application in Cooperative Multiple Input Single Output at Energy Aware Wireless Sensor Network

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Author(s): Islam Mohammad | Kim Jinsang

Journal: IETE Technical Review
ISSN 0256-4602

Volume: 26;
Issue: 6;
Start page: 453;
Date: 2009;
Original page

Keywords: Cooperative technique | Data gathering node | Multiple input single output | Selective approach | Wireless s-ensor networks.

ABSTRACT
Energy efficient data transfer is the key factor for the design of energy efficient wireless sensor network (WSN). IEEE 1451.5 standard explores the wireless communication schemes between multiple sensors and a data gathering node (DGN) emphasizing the multiple input single output (MISO) structure. Sensors participating in this MISO can be chosen selectively for more energy efficient data transfer and the selection is controlled by several parameters, which are not completely explored yet. In this paper, an energy efficient cooperative technique is proposed for a WSN where selected numbers of sensors are used to form a MISO structure wirelessly connected with a DGN. The selection of nodes is based on a selection function, which is a combination of channel gain, residual energy, inter-sensor distance in a cluster and geographical location. Data are sent by the sensors to a DGN using a multi-hop transmission. We are concentrating our design on the final hop where sensors transmit their data to the DGN. A mathematical model is developed to get the selection function.
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