1. Paradiso, J. A. and T. Starner, "Energy scavenging for mobile and wireless electronics," IEEE Pervasive Computing, Vol. 1, No. 4, 18-24, 2005.
2. Bouchouicha, D., M. Latrach, F. Dupont, and L. Ventura, "An experimental evaluation of surrounding RF energy harvesting devices," European Microwave Conference (EuMC), 1381-1384, Sep. 2010.
3. Georgiadis, A., G. Andia, and A. Collado, "Rectenna design and optimization using reciprocity theory and harmonic balance analysis for electromagnetic (EM) energy harvesting," IEEE Antennas and Wireless Propagation Letters, Vol. 9, 444-446, 2010.
4. Kim, P., G. Chaudhary, and Y. Jeong, "A dual-band RF energy harvesting using frequency limited dual-band impedance matching," Progress In Electromagnetics Research, Vol. 141, 443-461, 2013.
5. Md. Din, N., C. K. Chakrabarty, A. Bin Ismail, K. K. A. Devi, and W.-Y. Chen, "Design of RF energy harvesting system for energizing low power devices," Progress In Electromagnetics Research, Vol. 132, 49-69, 2012.
6. Sim, , Z. W., , R. Shuttleworth, M. J. Alexander, and B. D. Grieve, "Compact patch antenna design for outdoor RF energy harvesting in wireless sensor networks," Progress In Electromagnetics Research, Vol. 105, 273-294, 2010.
7. Buonanno, A., M. D'Urso, and D. Pavone, "An ultra-wideband system for RF Energy harvesting," European Conference on Antennas and Propagation (EUCAP), 388-389, Apr. 2011.
8. Ren, Y.-J. and K. Chang, "5.8-GHz circularly polarized dual-diode rectenna and rectenna array for microwave power transmission," IEEE Transactions on Microwave Theory and Techniques, Vol. 54, No. 4, 1495-1502, 2006.
9. Mikeka, C. , H. Arai, A. Georgiadis, and A. Collado, "DTV band micropower RF energy-harvesting circuit architecture and performance analysis," IEEE International Conference on RFID-Technologies and Applications (RFID-TA), 561-567, Sep. 2011.
10. Mikeka, C. and H. Arai, "Microwave tooth for sensor power supply in battery-free applications," Asia-Pacific Microwave Conference Proceedings (APMC), 1802-1805, Dec. 2011.
11. Mikeka, C. and H. Arai, "Dual-band RF energy-harvesting circuit for range enhancement in passive tags," European Conference on Antennas and Propagation (EuCAP), 1210-1214, Apr. 2011.
12. Heo, S., Y. S. Yang, J. Lee, S.-K. Lee, and J. Kim, "Efficient maximum power tracking of energy harvesting using a ¹ controller for power savings," ETRI Journal, Vol. 33, No. 6, 973-976, Dec. 2011.
13. Shigeta, R., T. Sasaki, D. M. Quan, Y. Kawahara, R. J. Vyas, M. M. Tentzeris, and T. Asami, "Ambient RF energy harvesting sensor device with capacitor-leakage-aware duty cycle control," IEEE Sensors Journal, Vol. 13, No. 8, 2973-2983, Aug. 2013.
14. Rudge, A. W., K. Milne, A. D. Olver, and P. Knight, Handbook of Antenna Design, 2nd Ed., IEE Electromagnetic Wave Series, 1986.
15. Sumner, D., ON4UN's Low-band DXing, 4th Ed., No. 74 of the Radio Amateur's Library, ARRL, 2005.