A Parametric Study of Inductive SWIPT Systems Assisted by Metamaterial Using Virtual Magnetic TL-Based Channel Modeling
Keywords:SWIPT, IoT, inductive channel, metamaterial, virtual magnetic transmission lines
This paper presents a general methodology based on the description of the inductive channel as virtual magnetic transmission-lines (VMGTLs). In comparison with other existing methods, VMGTL approach presents a better physical insight of the channel behavior since the model correctly preserves the energy flow between the transmitting and receiving coils. Besides that, it facilitates the integration into the analysis of highly nonlinear and dispersive structures such as metamaterial (MTM) lenses. Particularly, the virtual-TL analogy clarifies that the enhancement of the transmission gain between any two coils assisted by MTM is not due to an enhanced coupling between the drivers, as usually claimed, but to the emergence of propagating near-field modes supported by the MTM. This approach, by means of a parametric study, also indicates, for the first time, that MTMs could be employed not only for the increasing of power but also of data transfer due to the emergence of a sub-resonant region of minimum distortion. Nonetheless, since both effects are mutually exclusive, no passive MTM structure could simultaneously improve power and data transmission.
K. M. Awan, P. A. Shah, K. Iqbal, S. Gillani, W. Ahmad and Y. Nam, "Underwater Wireless Sensor Networks: A Review of Recent Issues and Challenges," Wireless Communications and Mobile Computing, vol. 2019, no. 6470359, p. 20, 2019.
R. Guida, E. Demirors, N. Dave, J. Rodowicz and T. Melodia, "An Acoustically Powered Battery-less Internet of Underwater Things Platform," in 2018 Fourth Underwater Communications and Networking Conference (UComms), Lerici, Italy, 2018.
N. Khalil, M. R. Abid, D. Benhaddou and M. Gerndt, "Wireless sensors networks for Internet of Things," in 2014 IEEE Ninth International Conference on Intelligent Sensors, Sensor Networks and Information Processing (ISSNIP), Singapore, Singapore, 2014.
D. C. Corrêa, U. C. Resende and F. S. Bicalho, "Experiments With a Compact Wireless Power Transfer System Using Strongly Coupled Magnetic Resonance and Metamaterials," IEEE Transactions on Magnetics, vol. 55, no. 8, 2019.
D. Ahn, M. Kiani and M. Ghovanloo, "Enhanced Wireless Power Transmission Using Strong Paramagnetic Response," IEEE Transactions on Magnetics, vol. 50, no. 3, 2014.
F. Zhang and M. Sun, "Efficient Wireless Power Transfer based on Strongly Coupled Magnetic Resonance," in Wireless Power Transfer, 2 ed., River Publishers, 2016, pp. 73 - 104.
B. Wang, W. Yerazunis and K. Teo, "Wireless Power Transfer: Metamaterials and Array of Coupled Resonators," Proceedings of the IEEE, 2013.
Y. Urzhumov and D. R. Smith, "Metamaterial-enhanced coupling between magnetic dipoles for efficient wireless power transfer," Phys. Rev. B, vol. 83, no. 205114, pp. 1 - 10, 2011.
P. Sharma, D. Bhatia and R. S. Meena, "Metamaterial enhanced magnetization induced communication for wireless applications," in 2017 International Conference on Information, Communication, Instrumentation and Control (ICICIC), Indore, India , 2017.
J. V. de Almeida and R. S. Feitoza, "Metamaterial-Enhanced Magnetic Coupling: An Inductive Wireless Power Transmission System Assisted by Metamaterial-Based Mu-Negative Lenses," IEEE Microwave Magazine, vol. 19, no. 4, pp. 95 - 100, 2018.
T. Arakawa, S. Goguri, J. V. Krogmeier, A. Kruger, D. J. Love, R. Mudumbai and M. A. Swabey, "Optimizing Wireless Power Transfer FromMultiple Transmit Coils," IEEE Access, vol. 6, pp. 23828 - 23838, 2018.
J. V. de Almeida, G. L. Siqueira, M. M. Mosso and C. A. F. Sartori, "Mu Negative Metamaterials Seen as Band Limited Non Foster Impedances in Inductive Power Transmission Systems," Journal of Microwaves, Optoelectronics and Electromagnetic Applications, vol. 18, no. 4, pp. 492 - 504, 2019.
D. C. Hamill, "Lumped Equivalent Circuits of Magnetic Components: The Gyrator-Capacitor Approach," IEEE Transactions on Power Electronics, vol. 8, no. 2, pp. 97 - , 1993.
R. F. Harrington, Time-Harmonic Electromagnetic Fields, Piscataway, NJ: Wiley-IEEE Press, 2001, pp. 61-66.
J. Gao, "Traveling Magnetic Field for Homogeneous Wireless Power Transmission," IEEE Transactions on Power Delivery, vol. 22, no. 1, p. 507, 2007.