Alice Buffi
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Advanced RFID-Robot With Rotating Antennas for Smart Inventory in High-Density Shelving Systems Open
This paper presents the development and testing of a robot designed for automated inventory and 3D localization of items in high-density shelving systems. To enhance accuracy in locating UHF-RFID tagged objects by using synthetic aperture-…
View article: Electromagnetic Design of an Inductive Wireless Power Transfer System for Endoscopic Capsule
Electromagnetic Design of an Inductive Wireless Power Transfer System for Endoscopic Capsule Open
The power and energy demand for the instrumentation implemented in endoscopy capsules is such that a power supply from electrochemical cells is inappropriate. In this paper the electromagnetic design of the Wireless Power Transfer (WPT) sy…
Latest News on RFID Systems Guest Editorial of the Special Issue on SpliTech 2022 and IEEE RFID-TA 2022 Conferences Open
The IEEE Journal of Radio Frequency Identification (JRFID) has the pleasure to host a joint Special Issue collecting extended versions of papers coming from two international conferences held in 2022. The first is the IEEE International Co…
An IoT-Aware Smart System Exploiting the Electromagnetic Behavior of UHF-RFID Tags to Improve Worker Safety in Outdoor Environments Open
Recently, different solutions leveraging Internet of Things (IoT) technologies have been adopted to avoid accidents in agricultural working environments. As an example, heavy vehicles, e.g., tractors or excavators, have been upgraded with …
Current and Future Trends of RFID Systems Guest Editorial of the Special Issue on SpliTech 2021 and IEEE RFID-TA 2021 Conferences Open
This year, the IEEE Journal of Radio Frequency Identification (JRFID), decided to host a joint Special Issue collecting extended versions of papers coming from two international events. The former is the IEEE International Conference on RF…
The New Frontiers of “Wireless Motion Capture and Fine-Scale Localization” Open
This special issue in the IEEE Journal of Radio Frequency Identification (JRFID) was born as an initiative of the IEEE Council Of Radio Frequency Identification (CRFID) Technical Committee on “Motion Capture and Localization” (TC-MoCap) (h…
Forklift Tracking: Industry 4.0 Implementation in Large-Scale Warehouses through UWB Sensor Fusion Open
This article addresses the problem of determining the location of pallets carried by forklifts inside a warehouse, which are recognized thanks to an onboard Radio Frequency IDentification (RFID) system at the ultra-high-frequency (UHF) ban…
An Action Classification Method for Forklift Monitoring in Industry 4.0 Scenarios Open
The I-READ 4.0 project is aimed at developing an integrated and autonomous Cyber-Physical System for automatic management of very large warehouses with a high-stock rotation index. Thanks to a network of Radio Frequency Identification (RFI…
A Synthetic Aperture UHF RFID Localization Method by Phase Unwrapping and Hyperbolic Intersection Open
The use of radio frequency identification (RFID) technology for the traceability of products throughout the production chain, warehouse management, and the retail network is spreading in the last years, especially in those industries in li…
Robot Localisation Using UHF-RFID Tags: A Kalman Smoother Approach † Open
Autonomous vehicles enable the development of smart warehouses and smart factories with an increased visibility, flexibility and efficiency. Thus, effective and affordable localisation methods for indoor vehicles are attracting interest to…
View article: A Survey on Indoor Vehicle Localization Through RFID Technology
A Survey on Indoor Vehicle Localization Through RFID Technology Open
This paper presents a state-of-the-art analysis on the methods suitable for vehicle indoor localization and exploiting the RFID (Radio Frequency IDentification) technology. The survey describes three main categories of vehicle localization…
An Innovative Integrated Smart System for the Safe Management of De-Energization in Maintenance Activities of Assemblies of Machinery Open
In the Machinery Directive 2006/42/EC the risk management of the maintenance activities is particularly important, because the operators face several hazardous situations. The safe entrance into the danger zones of the machinery assemblies…
View article: An experimental analysis of Lithium battery use for high power application
An experimental analysis of Lithium battery use for high power application Open
In the recent years, the sustainable energy demand is growing among the civil and industrial sectors. However, the renewable sources present an aleatory behaviour, and the improvement of their reliable and secure employment have received g…
A Glimpse to the Future of RFID Technology Guest Editorial of the Special Issue on IEEE RFID-TA 2019 Conference Open
In the era of the forth industrial revolution, the need for an enforcing collaboration between industry and academia is a key issue to develop the future Radio Frequency Identification (RFID) systems. The need of interconnected people and …
View article: Robot-Based Indoor Positioning of UHF-RFID Tags: The SAR Method With Multiple Trajectories
Robot-Based Indoor Positioning of UHF-RFID Tags: The SAR Method With Multiple Trajectories Open
This paper presents the application of the Synthetic Aperture Radar (SAR) localization method for indoor positioning of UHF-RFIDtags when the robot-mounted reader antenna moves along multiple trajectories. By properly combining the phase d…
View article: Ranging-Free UHF-RFID Robot Positioning Through Phase Measurements of Passive Tags
Ranging-Free UHF-RFID Robot Positioning Through Phase Measurements of Passive Tags Open
The phase of the signals backscattered by the ultrahigh frequency radio-frequency identification (UHF-RFID) tags is generally more insensitive to multipath propagation than the received signal strength indicator (RSSI). However, signal pha…
A UHF-RFID gate control system based on a Convolutional Neural Network Open
In this paper, a robust, easy-to-deploy UHF-RFID system to classify transpallet actions at gates or checkpoints has been presented. The system is based on deploying a set of reference RFID tags on the floor of the checkpoint arranged in a …
I-READ 4.0: Internet-of-READers for an efficient asset management in large warehouses with high stock rotation index Open
The I-READ 4.0 project represents an integrated and autonomous Cyber Physical System, for automatic management of very large warehouses with high-stock rotation index. Thanks to an internet of UHF-RFID readers, both fixed and mobile, it is…
View article: A Phase-Based Method for Mobile Node Localization through UHF-RFID Passive Tags
A Phase-Based Method for Mobile Node Localization through UHF-RFID Passive Tags Open
This paper presents a novel phase-based localization method for mobile nodes equipped with a UHFRFID system. The on-board reader collects phase data from a set of passive reference tags during the mobile node trajectory, by forming a synth…
A UHF-RFID Gate Control System Based on a Recurrent Neural Network Open
This letter presents a novel, cost-effective, and easy-to-deploy solution to discriminate the direction of goods crossing a UHF radio frequency identification (RFID) gate in a warehouse scenario. The system is based on a grid of UHF-RFID t…
View article: A SAR-Based Measurement Method for Passive-Tag Positioning With a Flying UHF-RFID Reader
A SAR-Based Measurement Method for Passive-Tag Positioning With a Flying UHF-RFID Reader Open
This paper presents and characterizes a measurement method for positioning of passive tags, by a drone equipped with a UHF-RFID reader. The method is based on a synthetic aperture radar approach and exploits the knowledge of the reader/dro…
View article: RSSI Measurements for RFID Tag Classification in Smart Storage Systems
RSSI Measurements for RFID Tag Classification in Smart Storage Systems Open
This paper presents a measurement method for tagged item classification in radio frequency identification (RFID)-based smart drawers. Specifically, the amplitude of the signal backscattered by the UHF-RFID passive tags attached to the item…
Numerical analysis of wireless power transfer in near-field UHF-RFID systems Open
A preliminary numerical analysis of the power transfer efficiency (PTE) for the forward link of near-field (NF) ultra high frequency (UHF)-radio frequency identification (RFID) systems is addressed in this paper, by resorting to an impedan…
View article: Near-Field-Focused Microwave Antennas: Near-field shaping and implementation
Near-Field-Focused Microwave Antennas: Near-field shaping and implementation Open
Focusing the electromagnetic field radiated by an antenna at a point in the antenna near-field (NF) region is a wellknown technique to increase the electromagnetic power density in a size-limited spot region close to the antenna aperture. …
Numerical Investigation of an UWB Localization Technique for Unmanned Aerial Vehicles in Outdoor Scenarios Open
In this paper, the numerical investigation of an ultra wideband (UWB) localization technique suitable for the tracking and control of an unmanned aerial vehicle (UAV) in a specific outdoor scenario is presented. A set of UWB nodes are loca…
The SARFID Technique for Discriminating Tagged Items Moving Through a UHF-RFID Gate Open
The discrimination of tagged items moving along a conveyor belt from other tagged items that are present in the scenario is investigated, when a UHF-RFID gate is installed at a conveyor section. Indeed, tagged items that are static or rand…
The SARFID technique in handling systems applications Open
International Applied-Computational-Electromagnetics-Society Symposium - Italy (ACES) (2017. Firenze)
Dome-Shaped Ellipsoidal Reflector Antenna for UHF-RFID Readers With Confined Near-Field Detection Region Open
This letter proposes and demonstrates the concept of ellipsoidal reflector antennas for radio frequency identification reader applications at UHF band. The antenna can be potentially integrated with environmental structures to confine the …
Technologies for Near-Field Focused Microwave Antennas Open
This paper provides a review spanning different technologies used to implement near-field focused antennas at the microwave frequency band up to a few tens of GHz: arrays of microstrip patches and printed dipoles, arrays of dielectric reso…