표 3. | Table 3. 이전에 보고된 연구와의 성능 비교 | Performance comparison to the previous works.

Ref.	Topology	Freq. (MHz)	Charging distance (cm)	Rx’s configuration	ηsys, max (%)	Prx, max (W)
[9]	Class E	6.78	3	Homogeneous	74.7	27.8
[10]	Class E	6.78	3~5	Heterogeneous, Homogeneous	81.4	39.7
[11]	Class E	6.78	3	Heterogeneous, Homogeneous	85.5	45.7
[12]	Class E	6.78	2~6	Single	81	27
[13]	Class E	6.78	2	Homogeneous	71.7	20
This work	Proposed Class E/F3	6.78	3	Heterogeneous	75.1	37.1