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Cooperative MIMO Technology in Multiple Hops Wireless Sensor Networks
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DOI：10.1063/1.4977394.png)
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Abstract
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The limited lifetime is one of the important factors restricted wireless sensor networks (WSNs), when possible, wireless nodes often operate with small batteries, while battery replacement is a very difficult and expensive. So the nodes must work long hours in the case of no battery replacement. Therefore, in WSNs, minimizing energy consumption is an important design consideration, at the same time, the transmission strategies of energy efficiency must be used for data forwarding. This paper, using cooperative multiple input multiple output(MIMO) technology combined with multiple hops technology, has put forward a new transmission model, i. e., the MIMO-MISO(multi-input multioutput)/ MIMO-MIMO model. Simulation results demonstrate the proposed MIMO-MISO/MIMO-MIMO to minimize energy consumption of each node every node for multi-hop WSNs, to save a great deal of energy for a larger transmission distance, which makes the life of the entire network be extended.
Keywords:
Multi-hop WSNs
Cooperative MIMO technology
MIMO-MISO/MIMO-MIMO
Energy consumption
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