P. De Mil, B. Jooris, L. Tytgat, R. Catteeuw, I. Moerman, P. Demeester and A. Kamerman, “Design and Implementation of a Generic Energy-harvesting Foramework Applied to the Evaluation of a Large-scale Electronic Shelf-labeling Wireless Sensor Network,” Eurasip Journal on Wireless Communications and Networking, No. 343690, 2010. doi:10.1155/2010/343690