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This paper presents the important issues about the design of a low cost, micro power, indoor light energy harvesting system to supply a node of a wireless sensor network (WSN). Possible technology options, available for the photovoltaic (PV) cells, are discussed. Light power and irradiance measurements, in a real indoor environment, are performed and results are presented. From these results, a possible solution for cell sizing is described.
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Carvalho et al. (2014) studied this question.
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