Risultati di ricerca
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S. Saponara, G. Magazzù, G. Ciarpi: "A high-speed driver for silicon photonics Mach-Zehnder mod-ulator for high data-rate transfer of particle collision images in high-energy physics and in medical physics”, SPIE Real-Time Image and Video Processing
Abstract: All the High Energy Physics (HEP) experiments in modern accelerators can be seen as real-time imaging devices whose main target is the reconstruction of the trajectories of the particles generated directly in the beam interactions - e.g....
https://phd.dii.unipi.it/pubblicazioni/item/2302-s-saponara,-g-magazzù,-g-ciarpi-a-high-speed-driver-for-silicon-photonics-mach-zehnder-mod-ulator-for-high-data-rate-transfer-of-particle-collision-images-in-high-energy-physics-and-in-medical-physics”,-spie-real-time-image-and-video-processing.html -
G. Ciarpi, G. Magazzù, F. Palla, S. Saponara: “Design of Radiation Hard MZM Drivers”, IEEE/AEIT Fotonica2018, May 2018
Abstract: Radiations present in harsh environments can significantly affects the performance of the silicon devices. Therefore, these effects should be taken into account in the system design phase. In this paper is shown the design of two high-speed...
https://phd.dii.unipi.it/pubblicazioni/item/2301-g-ciarpi,-g-magazzù,-f-palla,-s-saponara-“design-of-radiation-hard-mzm-drivers”,-ieee-aeit-fotonica2018,-may-2018.html -
S. Saponara, G. Ciarpi: “Universal and inductorless DC/DC converter for multi-output power sup-plies in sensor and actuator networks”, SPIE Microtechnologies, May 2017
Abstract: This work proposes a universal and inductorless DC/DC converter that can be used for a wide input range, from few V to 60 V, to regulate output voltages from 5 V down to 1 V in Sensor and Actuator Network nodes. The proposed converter has been...
https://phd.dii.unipi.it/pubblicazioni/item/2300-s-saponara,-g-ciarpi-“universal-and-inductorless-dc-dc-converter-for-multi-output-power-sup-plies-in-sensor-and-actuator-networks”,-spie-microtechnologies,-may-2017.html -
S. Saponara, G. Ciarpi, B. Neri: “System-level modelling/analysis and LNA design in low-cost auto-motive technology of a V2X wireless transceiver”, IEEE Research and Technologies for Society and Industry, September 2017
Abstract—The paper presents the transistor-level design, using Keysight ADS environment, of a Low Noise Amplifier (LNA), the key block of wireless transceivers in automotive V2X (vehicle to everything) applications. A system-level exploration of the...
https://phd.dii.unipi.it/pubblicazioni/item/2299-s-saponara,-g-ciarpi,-b-neri-“system-level-modelling-analysis-and-lna-design-in-low-cost-auto-motive-technology-of-a-v2x-wireless-transceiver”,-ieee-research-and-technologies-for-society-and-industry,-september-2017.html -
S. Saponara, G. Ciarpi, F. Giannetti, "Analysi and Simulations of mmW transceiver for System-in-Package communications", Lecture Notes on Electrical Engineering Springer, vol. 512, pp. 99-106, July 2017
Abstract: This paper uses an analytical approach to provide a performance analysis of a millimeter-wave short-range link for System in Package (SiP) applications. Thanks to an analytical modeling of the real Si-integrated antenna, an easy-to-use...
https://phd.dii.unipi.it/pubblicazioni/item/2298-s-saponara,-g-ciarpi,-f-giannetti,-analysi-and-simulations-of-mmw-transceiver-for-system-in-package-communications-,-lecture-notes-on-electrical-engineering-springer,-vol-512,-pp-99-106,-july-2017.html -
G. Pennelli, S. Elyamny, E.Dimaggio, "Thermal conductivity of silicon nanowire forests" Nanotechnology , October 2018 doi.org/10.1088/1361-6528/aae5b6
A large amount of parallel silicon nanowires, placed perpendicularly to a silicon substrate (silicon nanowire forests), has been contacted and assembled in order to fabricate legs of a thermoelectric generator. This paper reports the measurement of the...
https://phd.dii.unipi.it/pubblicazioni/item/2297-g-pennelli,-s-elyamny,-e-dimaggio,-thermal-conductivity-of-silicon-nanowire-forests-nanotechnology-,-october-2018-doi-org-10-1088-1361-6528-aae5b6.html -
E.Dimaggio, D.Narducci, G.Pennelli, "Fabrication of silicon nanowire forests for thermoelectric applications by Metal Assisted Chemical Etching", Journal of Materials Engineering and Performance, September 2018, doi.org/10.1007/s11665-018-3605-2
Silicon nanowires, whose thermal conductivity is strongly reduced with respect to that of the bulk silicon, are very promising for high-efficient thermoelectric conversion. This work focuses on the development of a technique for the fabrication of...
https://phd.dii.unipi.it/pubblicazioni/item/2296-e-dimaggio,-d-narducci,-g-pennelli,-fabrication-of-silicon-nanowire-forests-for-thermoelectric-applications-by-metal-assisted-chemical-etching-,-journal-of-materials-engineering-and-performance,-september-2018,-doi-org-10-1007-s11665-018-3605-2.html -
G. Pennelli, E. Dimaggio, M. Macucci, "Thermal Conductivity Reduction in Rough Silicon Nanomembranes", IEEE Transactions on Nanotechnology 17 (3), 500, March 2018
Nanostructured silicon is a promising material for thermoelectric conversion because the thermal conductivity in silicon nanostructures can be strongly reduced with respect to that of bulk materials. We present thermal conductivity measurements,...
https://phd.dii.unipi.it/pubblicazioni/item/2295-g-pennelli,-e-dimaggio,-m-macucci,-thermal-conductivity-reduction-in-rough-silicon-nanomembranes-,-ieee-transactions-on-nanotechnology-17-3-,-500,-march-2018.html -
E. Dimaggio, G. Pennelli, "Potentialities of silicon nanowire forests for thermoelectric generation" Nanotechnology 29, 135401, February 2018
Silicon is a material with very good thermoelectric properties, with regard to Seebeck coefficient and electrical conductivity. Low thermal conductivities, and hence high thermal to electrical conversion efficiencies, can be achieved in nanostructures,...
https://phd.dii.unipi.it/pubblicazioni/item/2294-e-dimaggio,-g-pennelli,-potentialities-of-silicon-nanowire-forests-for-thermoelectric-generation-nanotechnology-29,-135401,-february-2018.html -
G. Pennelli, E. Dimaggio, M. Macucci, Note: Improvement of the 3ω thermal conductivity measurement technique for its application at the nanoscale, Review of Scientific Instru-ments, 89, 016104, January 2018
Conventional techniques for thermal conductivity measurements can lead to unreliable results when applied to nanostructures because heaters and temperature sensors needed for the measurement cannot have a negligible size and therefore perturb the...
https://phd.dii.unipi.it/pubblicazioni/item/2293-g-pennelli,-e-dimaggio,-m-macucci,-note-improvement-of-the-3ω-thermal-conductivity-measurement-technique-for-its-application-at-the-nanoscale,-review-of-scientific-instru-ments,-89,-016104,-january-2018.html -
Pennelli G., Dimaggio E., Macucci M., “Fabrication Techniques for Thermoelectric Devices Based on Nanostructured Silicon”, Journal of Nanoscience and Nanotechnology 17, 1623, July 2017
We discuss processes for the fabrication of devices for thermoelectric generation, based on silicon nanostructures. The main issue that we address is the design and development of fabrication processes for devices exploiting a large number of...
https://phd.dii.unipi.it/pubblicazioni/item/2292-pennelli-g-,-dimaggio-e-,-macucci-m-,-“fabrication-techniques-for-thermoelectric-devices-based-on-nanostructured-silicon”,-journal-of-nanoscience-and-nanotechnology-17,-1623,-july-2017.html -
Gabriele Meoni, Luca Pilato, Gabriele Ciarpi, Alessandro Palla, Luca Fanucci: "Fully Digital Low-Power Implementation of an Audio Front-End for Portable Applications", APPLEPIES Conference, 26 - 27 September 2018, Pisa (Italy)
This work presents a fully digital implementation of an audio front-end for portable applications developed in a low-power perspective. Such platform acquires audio samples through a four digital Pulse Digital Modulation (PDM) microphones array and...
https://phd.dii.unipi.it/pubblicazioni/item/2289-gabriele-meoni,-luca-pilato,-gabriele-ciarpi,-alessandro-palla-fully-digital-low-power-implementation-of-an-audio-front-end-for-portable-applications-,-applepies-conference,-26-27-september-2018,-pisa-italy.html -
Gabriele Meoni, Luca Pilato, Luca Fanucci: “ A low power Voice Activity Detector for portable applications “,14th PRIME Conference, 2018, Prague
Voice Activity Detectors (VADs) are used to enhance performances and to reduce the activation rate of speech recognition and key-word spotting applications. The last aspect is crucial for portable applications because it allows to save energy,...
https://phd.dii.unipi.it/pubblicazioni/item/2288-gabriele-meoni,-luca-pilato,-luca-fanucci-“-a-low-power-voice-activity-detector-for-portable-applications-“,14th-prime-conference,-2018,-prague.html -
Gionata Benelli, Gabriele Meoni, Luca Fanucci: “A low power keyword spotting algortihm for memory constrained embedded systems “ - 26th IFIP/IEEE International Conference on Very Large Scale Integration Verona, Italy, 8-10 October 2018
Nowadays Voice User Interfaces (VUIs) have become popular thanks to their easiness of use that makes them accessible to the elderly and people with disability. Nevertheless, their use in embedded systems for the realization of portable devices is...
https://phd.dii.unipi.it/pubblicazioni/item/2287-gionata-benelli,-gabriele-meoni,-luca-fanucci-“a-low-power-keyword-spotting-algortihm-for-memory-constrained-embedded-systems-“-26th-ifip-ieee-international-conference-on-very-large-scale-integration-verona,-italy,-8-10-october-2018.html -
Luca Pilato, Gabriele Meoni, Luca Fanucci: “ Design Optimization for High Throughput Recursive Systematic Convolutional Encoders” – ICSTCC 2018 Conference, Sinaia, Romania
Recursive Systematic Convolutional (RSC) codes are the building blocks of the modern communication systems. In this paper we propose a new analytical model to manipulate the modulo-2 algebraic operations and a finite state machine model describing the...
https://phd.dii.unipi.it/pubblicazioni/item/2286-luca-pilato,-gabriele-meoni,-luca-fanucci-“-design-optimization-for-high-throughput-recursive-systematic-convolutional-encoders”-–-icstcc-2018-conference,-sinaia,-romania.html -
V.S.Raghavan, D.Kanoulas, C.Zhou, D.Caldwell, and N.Tsagarakis, "A Study on Low-Drift State Estimation for Humanoid Locomotion, using LiDAR and Kinematic-Inertial Data Fusion", IEEE-RAS International Conference on Humanoid Robots, November 2018
Several humanoid robots will require to navigate in unsafe and unstructured environments, such as those after a disaster, for human assistance and support. To achieve this, humanoids require to construct in real-time, accurate maps of the environment...
https://phd.dii.unipi.it/pubblicazioni/item/2284-v-s-raghavan,-d-kanoulas,-c-zhou,-d-caldwell,-and-n-tsagarakis,-a-study-on-low-drift-state-estimation-for-humanoid-locomotion,-using-lidar-and-kinematic-inertial-data-fusion-,-ieee-ras-international-conference-on-humanoid-robots,-november-2018.html -
F. Martinelli, F. Mercaldo, C. Michailidou, A. Saracino: “Phylogenetic Analysis for Ransomware Detection and Classification into Families”
The widespread of ransomware experienced in the last years has been caused also by the ability of attackers to introduce changes and mutations that make the malware hard to identify from antimalware software. In this paper we propose a two-phase method...
https://phd.dii.unipi.it/pubblicazioni/item/2283-f-martinelli,-f-mercaldo,-c-michailidou,-a-saracino-“phylogenetic-analysis-for-ransomware-detection-and-classification-into-families”.html -
V. Gkioulos, A. Rizos, C. Michailidou, F. Martinelli, P. Mori, A. Saracino: “Enhancing Usage Control for Performance: An Architecture for Systems of Systems”
The distributiveness and heterogeneity of today’s systems of systems, such as the Internet of Things (IoT), on-line banking systems, and contemporary emergency information systems, require the integration of access and usage control mechanisms, for...
https://phd.dii.unipi.it/pubblicazioni/item/2282-v-gkioulos,-a-rizos,-c-michailidou,-f-martinelli,-p-mori,-a-saracino-“enhancing-usage-control-for-performance-an-architecture-for-systems-of-systems”.html -
V. Gkioulos, A. Rizos, C. Michailidou, F. Martinelli, P. Mori: " Enhancing Usage Control for Performance: A proposal for Systems of Systems "
Modern interconnected systems of systems, such as the Internet of Things (IoT), demand the presence of access and usage control mechanisms which will be able to manage the right of access to the corresponding services, and the plethora of information...
https://phd.dii.unipi.it/pubblicazioni/item/2281-v-gkioulos,-a-rizos,-c-michailidou,-f-martinelli,-p-mori-enhancing-usage-control-for-performance-a-proposal-for-systems-of-systems.html -
F.Martinelli, C. Michailidou, P. Mori, A. Saracino: " Too long, did not enforce: A qualitative hierarchical risk-aware data usage control model for complex policies in distributed environments"
Distributed environments such as Internet of Things, have an increasing need of introducing access and usage control mechanisms, to manage the rights to perform specific operations and regulate the access to the plethora of information daily generated...
https://phd.dii.unipi.it/pubblicazioni/item/2280-https-dl-acm-org-citation-cfmid-3198463.html
News
- MODIFICA AULA - Prof. Cinzia Bernardeschi, Dr. Maurizio Palmieri, "Digital-twins for Cyber-Physical Systems", 14-15-16 september 2022
- Prof. Massimo Alioto, ECE Department, National University of Singapore - Singapore, "Ultra-low power integrated systems for green growth to the trillion scale", 20-22 June 2022
- Dr. Pericle Perazzo, Dept. of Information Engineering – University of Pisa – Italy, "An Introduction to Post-Quantum Lattice-Based Cryptography", 2,9,16,23 May 2022
- Prof. Paolo Marconcini, Dipartimento di Ingegneria dell’Informazione, Università di Pisa, "Envelope-function method for the study of charge transport in graphene and graphene-related materials", 18-20 July 2022
- Manolo Garabini, Department of Information Engineering, University of Pisa, "Optimal Control: From Calculus of Variations Theory to Numerical Optimization Methods and Tools, with Application to Motion Planning and Control", 25-29 July 2022
