1. Brown, W. C., "The history of power transmission by radio waves," IEEE Transaction on Microwave Theory and Techniques, Vol. 32, No. 9, 1230-1242, September 1984.
2. Vecchio, A., "Adaptability in wireless sensor networks," Proceeding of the 15th IEEE International Conference on Electronics, Circuits and Systems, 2008.
3. Weinstein, R., "RFID: A technical overview and its application to the enterprise," IT Professional, Vol. 7, No. 3, 27-33, May--June 2005.
4. McSpadden, J. O. and K. Chang, "A dual polaried circular patch rectifying antenna at 2.45 GHz for microwave power conversion and detection," IEEE MTT-S, Microwave Symp., Dig., 1994.
5. Ren, Y. J. and K. Chang, "5.8 GHz circular polarized dual-diode rectenna and rectenna array for microwave power transmission," IEEE Transaction on Microwave Theory and Techniques, Vol. 54, No. 4, 1495-1502, April 2006.
6. Hagerty, J. A., F. B. Helmbrecht, W. H. McCalpin, R. Zane, and Z. B. Popovic, "Recycling ambient microwave energy with broad-band rectenna arrays," IEEE Transaction on Microwave Theory and Techniques, Vol. 52, No. 3, 1014-1024, March 2004.
7. Akkermans, J. A. G., M. C. van Beurden, G. J. N. Doodeman, and H. J. Visser, "Analytical models for low-power rectenna design," IEEE Antennas and Wireless Propagation Letters, Vol. 4, 187-190, 2005.
8. Park, J. Y., S. M. Han, and T. Itoh, "A rectenna design with harmonic rejecting circular-sector antenna," IEEE Antennas and Wireless Propagation Letters, Vol. 5, No. 1, 5254, 2004.
9. Gao, Y.-Y., X.-X. Yang, C. Jiang, and J.-Y. Zhou, "A circular polarized rectenna with low profile for wireless power transmission," Progress In Electromagnetics Research Letters, Vol. 13, 41-49, 2010.
10. Douyere, A., F. Alicalapa, and J.-D. Lan Sun Luk, "High efficiency microwave rectenna circuit: Modeling and design," Electronics Letters, Vol. 44, 1409-1410, 2008.
11. Itoh, K., T. Ohgane, and Y. Ogawa, "Rectenna composed of a circular microstrip antenna," Proceeding of ISAP'85, Vol. 6, No. 3, 193-198, 1986.
12. Riviere, S., A. Douyere, F. Alicalapa, and J.-D. Lan Sun Luk, "Study of complete WPT system for WSN applications at low power level," Electronics Letters, Vol. 46, No. 8, 597-598, April 2010.
13. Balanis, C. A., Antenna Theory Analysis and Design, 3rd Ed., John Wiley & Sons, 2005.