John Kimionis
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View article: Next-Generation Backscatter Networks for Integrated Communications and RF Sensing
Next-Generation Backscatter Networks for Integrated Communications and RF Sensing Open
This paper provides a comprehensive analysis and theoretical foundation for next-generation backscatter networks that move beyond communication and integrate RF location sensing capabilities. An end-to-end system model for wideband OFDM ba…
View article: Analyzing the Scalability of Bi-Static Backscatter Networks for Large Scale Applications
Analyzing the Scalability of Bi-Static Backscatter Networks for Large Scale Applications Open
Backscatter radio is a promising technology for low-cost and low-power Internet-of-Things (IoT) networks. The conventional monostatic backscatter radio is constrained by its limited communication range, which restricts its utility in wide-…
View article: Ambient IoT: A missing link in 3GPP IoT Devices Landscape
Ambient IoT: A missing link in 3GPP IoT Devices Landscape Open
Ambient internet of things (IoT) is the network of devices which harvest energy from ambient sources for powering their communication. After decades of research on operation of these devices, Third Generation Partnership Project (3GPP) has…
View article: A printed millimetre-wave modulator and antenna array for backscatter communications at gigabit data rates
A printed millimetre-wave modulator and antenna array for backscatter communications at gigabit data rates Open
Future devices for the Internet of Things will require communication systems that can deliver higher data rates at low power. Backscatter radio—in which wireless communication is achieved via reflection rather than radiation—is a low-compl…
View article: A printed millimeter-wave modulator and antenna array for low-complexity Gigabit-datarate backscatter communications
A printed millimeter-wave modulator and antenna array for low-complexity Gigabit-datarate backscatter communications Open
In this article, a low cost ink-jet printed millimeter-wave RF front-end for low-complexity Gigabit-datarate backscatter communications was designed, fabricated and measured. The RF front-end consists of a microstrip 5×1 series-fed patch a…
View article: Ambient Backscatterers Using FM Broadcasting for Low Cost and Low Power Wireless Applications
Ambient Backscatterers Using FM Broadcasting for Low Cost and Low Power Wireless Applications Open
Nowadays, the explosive growth of Internet-of-Things-related applications has required the design of low-cost and low-power wireless sensors. Although backscatter radio communication is a mature technology used in radio frequency (RF) iden…
View article: Octave and Decade Printed UWB Rectifiers Based on Nonuniform Transmission Lines for Energy Harvesting
Octave and Decade Printed UWB Rectifiers Based on Nonuniform Transmission Lines for Energy Harvesting Open
Ambient RF energy harvesting is a potential energy source for low-power and battery-less wireless sensors, enabling a range of applications from monitoring to security as part of the Internet-of-Things (IoT) scenario. One of the main chall…
View article: 3D-Printed Origami Packaging With Inkjet-Printed Antennas for RF Harvesting Sensors
3D-Printed Origami Packaging With Inkjet-Printed Antennas for RF Harvesting Sensors Open
This paper demonstrates the combination of additive manufacturing techniques for realizing complex 3D origami structures for high frequency applications. A 3D-printed compact package for enclosing radio frequency (RF) electronics is built,…
View article: 3D/inkjet-printed origami antennas for multi-direction RF harvesting
3D/inkjet-printed origami antennas for multi-direction RF harvesting Open
A system design is presented for radio frequency (RF) energy harvesting on wireless sensor network (WSN) nodes, where all electronics reside inside a 3D structure and the antennas lie on the surfaces of it. Additive manufacturing technique…
View article: Circularly Polarized Shorted Ring Slot Rectenna With A Mesh Design For Optimized Inkjet Printing On Paper Substrate
Circularly Polarized Shorted Ring Slot Rectenna With A Mesh Design For Optimized Inkjet Printing On Paper Substrate Open
The design of a 2.45 GHz circularly polarized rectenna inkjet printed on paper is presented. The proposed antenna structure is a shorted ring slot with a modified ground plane where a mesh design is employed in order to reduce the required…