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Optimum power transmission of wireless sensors embedded in concrete

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2 Author(s)
Shan Jiang ; Dept. of Electr. & Comput. Eng., Florida Int. Univ., Miami, FL, USA ; Georgakopoulos, S.V.

We present the feasibility and optimization of wireless powering of sensors embedded in concrete that relies on a plane wave propagation model. Transmission loss and propagation loss of RF wave penetrating into concrete at different humidity conditions are calculated for various frequencies. An optimum frequency range within 20-80 MHz is identified for the wireless power transmission and is validated through antenna coupling full-wave EM simulations. The effects of reinforced bars to the propagation of RF power are also analyzed.

Published in:

RFID, 2010 IEEE International Conference on

Date of Conference:

14-16 April 2010