Design of a Compact Planar Rectenna for Wireless Power Transfer in the ISM Band

Table 3

Comparison of this work with several published work.

Frequency (GHz)	Reference	Planes used	Dielectric constant	Size (mm^2)	Conversion efficiency
2.45	[9]	2	2.2	99 × 91	75%
2.45	[15]	2	2.33	100 × 50	77.8%
2.45	[16]	3	4.4	60 × 60	75%
2.45	[17]	2	2.2	160 × 50	84%
2.45	This work	1	2.54	53 × 20	72.9%