Location based power control for energy critical sensors in a disconnected network
Pathirana, Pubudu 2006, Location based power control for energy critical sensors in a disconnected network, in Integrating Manufacturing and Services Systems: 2006 IEEE International Conference on Industrial Informatics (INDIN`06), IEEE, Piscataway, N.J., pp. 653-658.
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Location based power control for energy critical sensors in a disconnected network
This paper provides a location based power control strategy for disconnected sensory nodes deployed for long term service. Power conservation is of importance particularly when sensors communicate with a mobile robot used for data collection. The proposed algorithm uses estimations from a Robust Extended Kalman Filter (REKF) with RSSI measurements, in implementing a sigmoid function based power control algorithm which essentially approaches a desired power emission trajectory based on carrier-to-interference ratios(CIR) to ensure interferenceless reception. The more realistic modelling we use incorporates physical dynamics between the mobile robot and the sensors together with the wireless propagation parameters between the transmitter and receiver to formulate a sophisticated and effective power control strategy for the exclusive usage of energy critical disconnected nodes in a sensory network increasing their life span.
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