Multi-Service Highly Sensitive Rectifier for Enhanced RF Energy Scavenging

Multi-Service Highly Sensitive Rectifier for Enhanced RF Energy Scavenging

Due to the growing implications of energy costs and carbon footprints, the need to adopt inexpensive, green energy harvesting strategies are of paramount importance for the long-term conservation of the environment and the global economy. To address this, the feasibility of harvesting low power density ambient RF energy simultaneously from multiple sources is examined. A high efficiency multi-r...

Antenna Design and Non Linear Simulation of Rectifier for Wideband and Multi-Tone Radio Frequency Energy Harvesting

In this paper, a wideband rectenna without using matching networks is presented. In addition of wide bandwidth, the omnidirectional radiation pattern, maximum radio frequency to dc conversion efficiency, harvesting capability of the minimum input power level, easy fabrication process cause this antenna be a good choice for radio frequency energy harvesting applications. Matching network has bee...

Rectifier Design Challenges for RF Wireless Power Transfer and Energy Harvesting Systems

The design of wireless power transfer (WPT) and energy harvesting (EH) solutions poses different challenges towards achieving maximum RF-DC conversion efficiency in these systems. This paper covers several selected challenges when developing WPT and electromagnetic EH solutions, such as the design of multiband and broadband rectifiers, the minimization of the effect that load and input power va...

Design of an Efficient Rectifier Circuit for RF Energy Harvesting System

An efficient rectifier system along with an impedance matching network is proposed in this article. Impedance matching network is designed using two microstrip lines. Rectifier system for better RF to DC conversion is designed using a bridge rectifier. The proposed rectifier system provides a maximum efficiency of 50%. The impedance matching network improves the overall system performances sign...

Macroscale Plasmonic Substrates for Highly Sensitive Surface-Enhanced Raman Scattering**