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Communication Range Dynamics and Performance Analysis for a Self-Adaptive Transmission Power Controller

AutorLucas Martínez, Néstor; Martínez Ortega, José-Fernán; Hernández Díaz, Vicente; Toro Matamoros, Raúl Mario del
Fecha de publicación12-may-2016
EditorMultidisciplinary Digital Publishing Institute
CitaciónSensors 16 (5): 684 (2016)
ResumenThe deployment of the nodes in a Wireless Sensor and Actuator Network (WSAN) is typically restricted by the sensing and acting coverage. This implies that the locations of the nodes may be, and usually are, not optimal from the point of view of the radio communication. Additionally, when the transmission power is tuned for those locations, there are other unpredictable factors that can cause connectivity failures, like interferences, signal fading due to passing objects and, of course, radio irregularities. A control-based self-adaptive system is a typical solution to improve the energy consumption while keeping good connectivity. In this paper, we explore how the communication range for each node evolves along the iterations of an energy saving self-adaptive transmission power controller when using different parameter sets in an outdoor scenario, providing a WSAN that automatically adapts to surrounding changes keeping good connectivity. The results obtained in this paper show how the parameters with the best performance keep a k-connected network, where k is in the range of the desired node degree plus or minus a specified tolerance value.
Versión del editorhttp://doi.org/10.3390/s16050684
Identificadoresdoi: 10.3390/s16050684
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