1. Kurs, A., A. Karalis, R. Moffatt, J. D. Joannopoulos, P. Fisher, and M. Soljacic, "Wireless power transfer via strongly coupled magnetic resonances," Science, Vol. 317, No. 5834, 83-86, 2007.
doi:10.1126/science.1143254 Google Scholar
2. Cannon, B. L., J. F. Hoburg, D. D. Stancil, and S. C. Goldstein, "Magnetic resonant coupling as a potential means for wireless power transfer to multiple small receivers," IEEE Transactions on Power Electronics, Vol. 24, No. 7, 1819-1825, July 2009.
doi:10.1109/TPEL.2009.2017195 Google Scholar
3. Niu, W., J. Chu, W. Gu, and A. Shen, "Exact analysis of frequency splitting phenomena of contactless power transfer systems," IEEE Transactions on Circuits and Systems I: Regular Papers, Vol. 60, No. 6, 1670-1677, June 2013.
doi:10.1109/TCSI.2012.2221172 Google Scholar
4. Niu, W. Q., W. Gu, J. X. Chu, and A. D. Shen, "Coupled-mode analysis of frequency splitting phenomena in cpt systems," Electronics Letters, Vol. 48, No. 12, 723-724, June 2012.
doi:10.1049/el.2012.0953 Google Scholar
5. Nguyen, H. and J. I. Agbinya, "Splitting frequency diversity in wireless power transmission," IEEE Transactions on Power Electronics, Vol. 30, No. 11, 6088-6096, November 2015.
doi:10.1109/TPEL.2015.2424312 Google Scholar
6. Agbinya, J. I., "Recursive frequency allocation scheme in wireless power transfer and magnetic induction communication systems," Wireless Personal Communications, Vol. 98, No. 1, 213-223, January 2018.
doi:10.1007/s11277-017-4864-1 Google Scholar
7. Agbinya, J. I. and H. Nguyen, "Principles and applications of frequency splitting in inductive communications and wireless power transfer systems," Wireless Personal Communications, April 2019.
doi:10.1007/s11277-017-4864-1 Google Scholar
8. Kurs, A., R. J. Moffatt, and M. Soljacic, "Simultaneous mid-range power transfer to multiple devices," Applied Physics Letters, Vol. 96, 044102, 2010.
doi:10.1063/1.3284651 Google Scholar
9. Ishizaki, M. and A. Kurokawa, "Power transfer system combining wireless resonators and wired three-coil repeater," 2019 IEEE International Symposium on Circuits and Systems (ISCAS), 1-4, May 2019. Google Scholar
10. Machnoor, M., E. S. G. Rodríguez, P. Kosta, J. Stang, and G. Lazzi, "Analysis and design of a 3-coil wireless power transmission system for biomedical applications," IEEE Transactions on Antennas and Propagation, 1, 2018. Google Scholar
11. Duong, T. P. and J. Lee, "Experimental results of high-efficiency resonant coupling wireless power transfer using a variable coupling method," IEEE Microwave and Wireless Components Letters, Vol. 21, No. 8, 442-444, August 2011.
doi:10.1109/LMWC.2011.2160163 Google Scholar
12. Sample, A. P., B. H. Waters, S. T. Wisdom, and J. R. Smith, "Enabling seamless wireless power delivery in dynamic environments," Proceedings of the IEEE, Vol. 101, No. 6, 1343-1358, June 2013.
doi:10.1109/JPROC.2013.2252453 Google Scholar
13. Lee, C. K., W. X. Zhong, and S. Y. R. Hui, "Effects of magnetic coupling of nonadjacent resonators on wireless power domino-resonator systems," IEEE Transactions on Power Electronics, Vol. 27, No. 4, 1905-1916, April 2012.
doi:10.1109/TPEL.2011.2169460 Google Scholar
14. Dionigi, M. and M. Mongiardo, "Multi band resonators for wireless power tranfer and near field magnetic communications," 2012 IEEE MTT-S International Microwave Workshop Series on Innovative Wireless Power Transmission: Technologies, Systems, and Applications, 61-64, May 2012.
doi:10.1109/IMWS.2012.6215820 Google Scholar
15. Ahn, D. and S. Hong, "Effect of coupling between multiple transmitters or multiple receivers on wireless power transfer," IEEE Transactions on Industrial Electronics, Vol. 60, No. 7, 2602-2613, July 2013.
doi:10.1109/TIE.2012.2196902 Google Scholar
16. Ahn, D. and S. Hong, "A study on magnetic field repeater in wireless power transfer," IEEE Transactions on Industrial Electronics, Vol. 60, No. 1, 360-371, January 2013.
doi:10.1109/TIE.2012.2188254 Google Scholar
17. Ahn, D. and S. Hong, "A transmitter or a receiver consisting of two strongly coupled resonators for enhanced resonant coupling in wireless power transfer," IEEE Transactions on Industrial Electronics, Vol. 61, No. 3, 1193-1203, March 2014.
doi:10.1109/TIE.2013.2257151 Google Scholar
18. Nguyen, H., J. I. Agbinya, and J. Devlin, "Fpga-based implementation of multiple modes in near field inductive communication using frequency splitting and mimo configuration," IEEE Transactions on Circuits and Systems I: Regular Papers, Vol. 62, No. 1, 302-310, January 2015.
doi:10.1109/TCSI.2014.2359716 Google Scholar
19. Ahn, D., M. Kiani, and M. Ghovanloo, "Enhanced wireless power transmission using strong paramagnetic response," IEEE Transactions on Magnetics, Vol. 50, No. 3, 96-103, March 2014.
doi:10.1109/TMAG.2013.2284752 Google Scholar