Study on Millimeter-Wave Vivaldi Rectenna and Arrays with High Conversion Efficiency

Table 1

Performances of the reported rectifying circuits/rectennas and this work.

References	(GHz)	Diode connect	(mW) rectifying circuit	(mW/cm^2) rectenna	eff (%)
[12]	35	Parallel	120	—	38
[13]	35	Series	120	—	29
[14]	35	Parallel	—	30	35
[15]	35; 94	Parallel	—	30	53; 37
[16]	35	Doubling	20	—	34
This work	35	Series	20	—	43.7
			79.4		51.6
			—	8.7	31.5