Cooperative closed-loop techniques for optimized transmission applied to a WSN in a power substation
Wireless sensor networks (WSN) is vastly gaining grounds as enabling technology in providing various information in a smart way for different applications. Cooperative multiple input multiple output (MIMO) transmission techniques possess the potential of improving data transmission in the presence o...
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Zusammenfassung: | Wireless sensor networks (WSN) is vastly gaining grounds as enabling technology in providing various information in a smart way for different applications. Cooperative multiple input multiple output (MIMO) transmission techniques possess the potential of improving data transmission in the presence of inherent dynamic nature of the transmission channel and obstacles. We present in this paper, a precoder-based technique of transmitting data using a group of cooperating nodes to transmit data to the receiver in ad hoc mode. We employed the two precoding-based techniques max-d min and P-OSM that operate with a closed loop transmission, i.e. with channel state information (CSI) at transmitter, and both precoders optimizes the minimal distance criterion. Our aim is to characterize data transmission and equally obtain the targeted BER in the presence of impulsive noise pertinent to the power substation environment. This specific environment is simulated using a raytracing software called RAPSOR. |
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DOI: | 10.1109/SmartGridComm.2012.6486067 |