{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,10]],"date-time":"2026-01-10T19:00:12Z","timestamp":1768071612071,"version":"3.49.0"},"reference-count":30,"publisher":"Institute of Electronics, Information and Communications Engineers (IEICE)","issue":"10","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IEICE Electron. Express"],"published-print":{"date-parts":[[2020,5,25]]},"DOI":"10.1587\/elex.17.20200093","type":"journal-article","created":{"date-parts":[[2020,4,9]],"date-time":"2020-04-09T22:06:14Z","timestamp":1586469974000},"page":"20200093-20200093","source":"Crossref","is-referenced-by-count":3,"title":["Load optimization factors for analyzing the efficiency of wireless power transfer systems using two-port network parameters"],"prefix":"10.1587","volume":"17","author":[{"given":"Yoshiaki","family":"Narusue","sequence":"first","affiliation":[{"name":"Graduate School of Engineering, University of Tokyo"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yoshihiro","family":"Kawahara","sequence":"additional","affiliation":[{"name":"Graduate School of Engineering, University of Tokyo"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hiroyuki","family":"Morikawa","sequence":"additional","affiliation":[{"name":"Graduate School of Engineering, University of Tokyo"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"532","reference":[{"key":"1","unstructured":"[1] A. Kurs, <i>et al.<\/i>: \u201cWireless power transfer via strongly coupled magnetic resonances,\u201d Science <b>317<\/b> (2007) 83 (DOI: 10.1126\/science.1143254)"},{"key":"2","unstructured":"[2] A. Karalis, <i>et al.<\/i>: \u201cEfficient wireless non-radiative mid-range energy transfer,\u201d Ann. Physics <b>323<\/b> (2008) 34 (DOI: 10.1016\/j.aop.2007.04.017)"},{"key":"3","doi-asserted-by":"publisher","unstructured":"[3] N. Shinohara: \u201cPower without wires,\u201d IEEE Microw. Mag. <b>12<\/b> (2007) S64 (DOI: 10.1109\/mmm.2011.942732)","DOI":"10.1109\/MMM.2011.942732"},{"key":"4","doi-asserted-by":"publisher","unstructured":"[4] K. Takeno: \u201cWireless power transmission technology for mobile devices,\u201d IEICE Electron. Express <b>10<\/b> (2013) 20132010 (DOI: 10.1587\/elex.10.20132010)","DOI":"10.1587\/elex.10.20132010"},{"key":"5","doi-asserted-by":"publisher","unstructured":"[5] M. Manoufali, <i>et al.<\/i>: \u201cWireless power link based on inductive coupling for brain implantable medical devices,\u201d IEEE Antennas Wireless Propag. Lett. <b>17<\/b> (2018) 160 (DOI: 10.1109\/lawp.2017.2778698)","DOI":"10.1109\/LAWP.2017.2778698"},{"key":"6","doi-asserted-by":"publisher","unstructured":"[6] C. Liu, <i>et al.<\/i>: \u201cCircularly polarized implantable antenna for 915 MHz ISM-band far-field wireless power transmission,\u201d IEEE Antennas Wireless Propag. Lett. <b>17<\/b> (2018) 373 (DOI: 10.1109\/lawp.2018.2790418)","DOI":"10.1109\/LAWP.2018.2790418"},{"key":"7","doi-asserted-by":"publisher","unstructured":"[7] A.P. Sample, <i>et al.<\/i>: \u201cAnalysis, experimental results, and range adaptation of magnetically coupled resonators for wireless power transfer,\u201d IEEE Trans. Ind. Electron. <b>58<\/b> (2010) 544 (DOI: 10.1109\/tie.2010.2046002)","DOI":"10.1109\/TIE.2010.2046002"},{"key":"8","doi-asserted-by":"publisher","unstructured":"[8] T. Imura and Y. Hori: \u201cMaximizing air gap and efficiency of magnetic resonant coupling for wireless power transfer using equivalent circuit and Neumann formula,\u201d IEEE Trans. Ind. Electron. <b>58<\/b> (2011) 4746 (DOI: 10.1109\/tie.2011.2112317)","DOI":"10.1109\/TIE.2011.2112317"},{"key":"9","doi-asserted-by":"publisher","unstructured":"[9] M. Kiani, <i>et al.<\/i>: \u201cDesign and optimization of a 3-coil inductive link for efficient wireless power transmission,\u201d IEEE Trans. Biomed. Circuits Syst. <b>5<\/b> (2011) 579 (DOI: 10.1109\/tbcas.2011.2158431)","DOI":"10.1109\/TBCAS.2011.2158431"},{"key":"10","doi-asserted-by":"publisher","unstructured":"[10] I. Awai: \u201cBasic characteristics of\u201dMagnetic resonance&quot; wireless power transfer system excited by a 0 ohm power source,\u201d IEICE Electron. Express <b>10<\/b> (2013) 20132008 (DOI: 10.1587\/elex.10.20132008)","DOI":"10.1587\/elex.10.20132008"},{"key":"11","unstructured":"[11] Y. Narusue, <i>et al.<\/i>: \u201cImpedance matching method for any-hop straight wireless power transmission using magnetic resonance,\u201d Proc. IEEE RWS (2013) 193 (DOI: 10.1109\/rws.2013.6486685)"},{"key":"12","doi-asserted-by":"publisher","unstructured":"[12] S.Y.R. Hui, <i>et al.<\/i>: \u201cA critical review of recent progress in mid-range wireless power transfer,\u201d IEEE Trans. Power Electron. <b>29<\/b> (2014) 4500 (DOI: 10.1109\/tpel.2013.2249670)","DOI":"10.1109\/TPEL.2013.2249670"},{"key":"13","doi-asserted-by":"publisher","unstructured":"[13] G. Monti, <i>et al.<\/i>: \u201cOptimal design of a wireless power transfer link using parallel and series resonators,\u201d Wireless Power Transfer <b>3<\/b> (2016) 105 (DOI: 10.1017\/wpt.2016.7)","DOI":"10.1017\/wpt.2016.7"},{"key":"14","doi-asserted-by":"publisher","unstructured":"[14] M. Zargham and P.G. Gulak: \u201cMaximum achievable efficiency in near-field coupled power-transfer systems,\u201d IEEE Trans. Biomed. Circuits Syst. <b>6<\/b> (2012) 228 (DOI: 10.1109\/tbcas.2011.2174794)","DOI":"10.1109\/TBCAS.2011.2174794"},{"key":"15","doi-asserted-by":"publisher","unstructured":"[15] T. Ohira: \u201cExtended kQ product formulas for capacitive-and inductive-coupling wireless power transfer schemes,\u201d IEICE Electron. Express <b>11<\/b> (2014) 20140147 (DOI: 10.1587\/elex.11.20140147)","DOI":"10.1587\/elex.11.20140147"},{"key":"16","doi-asserted-by":"publisher","unstructured":"[16] T. Ohira: \u201cMaximum available efficiency formulation based on a black-box model of linear two-port power transfer systems,\u201d IEICE Electron. Express <b>11<\/b> (2014) 20140448 (DOI: 10.1587\/elex.11.20140448)","DOI":"10.1587\/elex.11.20140448"},{"key":"17","doi-asserted-by":"publisher","unstructured":"[17] H.D. Lang, <i>et al.<\/i>: \u201cConvex optimization of wireless power transfer systems with multiple transmitters,\u201d IEEE Trans. Antennas Propag. <b>62<\/b> (2014) 4623 (DOI: 10.1109\/tap.2014.2330584)","DOI":"10.1109\/TAP.2014.2330584"},{"key":"18","doi-asserted-by":"publisher","unstructured":"[18] Q.T. Duong and M. Okada: \u201cMaximum efficiency formulation for inductive power transfer with multiple receivers,\u201d IEICE Electron. Express <b>13<\/b> (2016) 20160915 (DOI: 10.1587\/elex.13.20160915)","DOI":"10.1587\/elex.13.20160915"},{"key":"19","doi-asserted-by":"publisher","unstructured":"[19] H. Ando, <i>et al.<\/i>: \u201cStudy on impedance matching and maximum wireless power transfer efficiency of circuits with resonant coupling based on simplified S-matrix,\u201d IEICE Electron. Express <b>16<\/b> (2019) 20190156 (DOI: 10.1587\/elex.16.20190156)","DOI":"10.1587\/elex.16.20190156"},{"key":"20","unstructured":"[20] Y. Moriwaki, <i>et al.<\/i>: \u201cBasic study on reduction of reflected power using DC\/DC converters in wireless power transfer system via magnetic resonant coupling,\u201d Proc. IEEE INTELEC (2011) 1 (DOI: 10.1109\/intlec.2011.6099737)"},{"key":"21","doi-asserted-by":"publisher","unstructured":"[21] M. Fu, <i>et al.<\/i>: \u201cA cascaded boost-buck converter for high-efficiency wireless power transfer systems,\u201d IEEE Trans. Ind. Informat. <b>10<\/b> (2013) 1972 (DOI: 10.1109\/tii.2013.2291682)","DOI":"10.1109\/TII.2013.2291682"},{"key":"22","doi-asserted-by":"publisher","unstructured":"[22] W.X. Zhong and S.Y.R. Hui: \u201cMaximum energy efficiency tracking for wireless power transfer systems,\u201d IEEE Trans. Power Electron. <b>30<\/b> (2014) 4025 (DOI: 10.1109\/tpel.2014.2351496)","DOI":"10.1109\/TPEL.2014.2351496"},{"key":"23","doi-asserted-by":"publisher","unstructured":"[23] H. Li, <i>et al.<\/i>: \u201cA maximum efficiency point tracking control scheme for wireless power transfer systems using magnetic resonant coupling,\u201d IEEE Trans. Power Electron. <b>30<\/b> (2015) 3998 (DOI: 10.1109\/tpel.2014.2349534)","DOI":"10.1109\/TPEL.2014.2349534"},{"key":"24","doi-asserted-by":"publisher","unstructured":"[24] Y. Narusue, <i>et al.<\/i>: \u201cMaximizing the efficiency of wireless power transfer with a receiver-side switching voltage regulator,\u201d Wireless Power Transfer <b>4<\/b> (2017) 42 (DOI: 10.1017\/wpt.2016.14)","DOI":"10.1017\/wpt.2016.14"},{"key":"25","doi-asserted-by":"publisher","unstructured":"[25] X. Dai, <i>et al.<\/i>: \u201cMaximum efficiency tracking for wireless power transfer systems with dynamic coupling coefficient estimation,\u201d IEEE Trans. Power Electron. <b>33<\/b> (2017) 5005 (DOI: 10.1109\/tpel.2017.2729083)","DOI":"10.1109\/TPEL.2017.2729083"},{"key":"26","doi-asserted-by":"publisher","unstructured":"[26] T.C. Beh, <i>et al.<\/i>: \u201cAutomated impedance matching system for robust wireless power transfer via magnetic resonance coupling,\u201d IEEE Trans. Ind. Electron. <b>60<\/b> (2013) 3689 (DOI: 10.1109\/tie.2012.2206337)","DOI":"10.1109\/TIE.2012.2206337"},{"key":"27","doi-asserted-by":"publisher","unstructured":"[27] Y. Lim, <i>et al.<\/i>: \u201cAn adaptive impedance-matching network based on a novel capacitor matrix for wireless power transfer,\u201d IEEE Trans. Power Electron. <b>29<\/b> (2014) 4403 (DOI: 10.1109\/tpel.2013.2292596)","DOI":"10.1109\/TPEL.2013.2292596"},{"key":"28","doi-asserted-by":"publisher","unstructured":"[28] J. Bito, <i>et al.<\/i>: \u201cA novel heuristic passive and active matching circuit design method for wireless power transfer to moving objects,\u201d IEEE Trans. Microw. Theory Techn. <b>65<\/b> (2017) 1094 (DOI: 10.1109\/tmtt.2017.2672544)","DOI":"10.1109\/TMTT.2017.2672544"},{"key":"29","doi-asserted-by":"publisher","unstructured":"[29] Z. Zhang, <i>et al.<\/i>: \u201cTopology-reconfigurable capacitor matrix for encrypted dynamic wireless charging of electric vehicles,\u201d IEEE Trans. Veh. Technol. <b>67<\/b> (2018) 9284 (DOI: 10.1109\/tvt.2018.2859779)","DOI":"10.1109\/TVT.2018.2859779"},{"key":"30","unstructured":"[30] D.M. Pozar: <i>Microwave Engineering<\/i> (Wiley, NJ, 2011) 4th ed. 192 (DOI: 10.1002\/0471200549.ch8)."}],"container-title":["IEICE Electronics Express"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.jstage.jst.go.jp\/article\/elex\/17\/10\/17_17.20200093\/_pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2020,5,30]],"date-time":"2020-05-30T03:32:54Z","timestamp":1590809574000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.jstage.jst.go.jp\/article\/elex\/17\/10\/17_17.20200093\/_article"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2020,5,25]]},"references-count":30,"journal-issue":{"issue":"10","published-print":{"date-parts":[[2020]]}},"URL":"https:\/\/doi.org\/10.1587\/elex.17.20200093","relation":{},"ISSN":["1349-2543"],"issn-type":[{"value":"1349-2543","type":"electronic"}],"subject":[],"published":{"date-parts":[[2020,5,25]]}}}