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UID/EEA/50008/2013
Background and challenges
Description and main innovation
Achievements
Rectenna Array
With the development of 5G and the Internet of Things (IoT), many everyday objects and
sensors will be connected to the internet.
Each IoT device or network node requires a power source to realize data acquisition and
transmission.
The challenge is to capture radio frequency (RF) energy from the ambient and convert it
into DC using a rectifying antenna (rectenna).
Antennas and Propagation
IT-Lisboa
The objective is to develop a 2D rectenna array, feasible for low power
density environments, at 5.8 GHz.
Proposition of a simplified design
methodology.
Innovative result presentation as a
power map.
2D, single layer, and low-cost structure.
2D Energy Harvest Frequency Selective
Surface concept.
The single element structure prototype DC power measurements shown excellent agreement with the
expected simulation results.
The first array structure simulations are already finished and the prototype is
under development.
