Research Article

Experimental Demonstration of Coexistence of Microwave Wireless Communication and Power Transfer Technologies for Battery-Free Sensor Network Systems

Table 1

WPT classifications by principle.

TypeRangePower deliveryFunctionality

EM couplingShortHighCommunication
Magnetic resonanceMediumHigh/mediumPower
Microwave power transmissionLongMedium/lowCommunication, sensors, and power