Risultati di ricerca
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E. Tsapardakis, M. Ojo, P. Chatzimisios and S. Giordano: “Performance Evaluation of SDN and RPL in Wireless Sensor Networks, In Global Information Infrastructure and Networking Symposium (GIIS), 2018 IEEE International Conference on (pp. 1-5). IEEE.
Ensuring high quality of service and reliability are the key essential requirements in industrial type applications. Routing is an essential way in realizing these requirements as it determines the reliability, lifetime, end-to-end delay of a network....
https://phd.dii.unipi.it/pubblicazioni/item/2313-e-tsapardakis,-m-ojo,-p-chatzimisios-and-s-giordano-“performance-evaluation-of-sdn-and-rpl-in-wire-less-sensor-networks,-in-global-information-infrastructure-and-networking-symposium-giis-,-2018-ieee-international-conference-on-pp-1-5-ieee.html -
M. Ojo, S. Giordano, D. Adami and M. Pagano: “Throughput Maximizing and Fair Scheduling Algorithms in Industrial Internet of Things Networks” IEEE Transactions on Industrial Informatics.
Time-Slotted Channel Hopping (TSCH) mode in the IEEE 802.15.4-2015 standard provides ultra-high reliability and ultra-low power consumption to sensor devices. The key feature of TSCH is the scheduling of time slots and frequencies, which falls outside...
https://phd.dii.unipi.it/pubblicazioni/item/2312-m-ojo,-s-giordano,-d-adami-and-m-pagano-“throughput-maximizing-and-fair-scheduling-algorithms-in-industrial-internet-of-things-networks”-ieee-transactions-on-industrial-informatics.html -
M. Ojo, S. Giordano, D. Adami and M. Pagano: “A Novel Auction Based Scheduling Algorithm in Industrial Internet of Things Networks”, In International Conference on Computer Networks, 2018 (pp. 103-114). Springer, Cham.
Enabling low data losses and ensuring reliability are essential requirements to guarantee Quality of Service in Industrial Internet of Things (IIoT) applications. This can be achieved by the adoption of various architectures and standards, the most...
https://phd.dii.unipi.it/pubblicazioni/item/2311-m-ojo,-s-giordano,-d-adami-and-m-pagano-“a-novel-auction-based-scheduling-algorithm-in-industrial-internet-of-things-networks”,-in-international-conference-on-computer-networks,-2018-pp-103-114-springer,-cham.html -
M. Ojo, S. Giordano G. Portaluri and D. Adami: “Throughput Maximization Scheduling Algorithm in TSCH Networks with Deadline Constraints” 2017 IEEE Globecom Workshops (GC Wkshps), December 2017.
Time Slotted Channel Hopping (TSCH), defined among the operating modes in IEEE 802.15.4-2015 standard, was established to offer a guaranteed quality of service for deterministic industrial type applications. However, the standard only provides a...
https://phd.dii.unipi.it/pubblicazioni/item/2310-m-ojo,-s-giordano-g-portaluri-and-d-adami-“throughput-maximization-scheduling-algorithm-in-tsch-networks-with-deadline-constraints”-2016-ieee-globecom-workshops-gc-wkshps-,-december-2017.html -
M. Ojo, S. Giordano, G. Portaluri, D. Adami and M.Pagano: “An Energy Efficient Centralized Scheduling Scheme in TSCH Networks, In Communications Workshops (ICC Workshops), 2017 IEEE International Conference on (pp. 570-575). IEEE.
IEEE 802.15.4-2015 is the third revision of IEEE 802.15.4 Standard for Low-Rate Wireless Networks. The standard presents Time Slotted Channel Hopping (TSCH) Medium Access Control (MAC) protocol, which provides high reliability and low power consumption...
https://phd.dii.unipi.it/pubblicazioni/item/2309-m-ojo,-s-giordano,-g-portaluri,-d-adami-and-m-pagano-“an-energy-efficient-centralized-scheduling-scheme-in-tsch-networks,-in-communications-workshops-icc-workshops-,-2017-ieee-international-conference-on-pp-570-575-ieee.html -
S. Giordano, I. Seitanidis, M. Ojo, D. Adami and F. Vignoli: “IoT Solutions for Crop Protection against Wild Animal Attacks”, In 2018 IEEE International Conference on Environmental Engineering (EE), 2018 (pp. 1-5). IEEE
Technology plays a central role in our everyday life. There has been a surge in the demand of Internet of Things (IoT) in many sectors, which has drawn significant research attention from both the academia and the industry. In the agriculture sector...
https://phd.dii.unipi.it/pubblicazioni/item/2308-s-giordano,-i-seitanidis,-m-ojo,-d-adami-and-f-vignoli-“iot-solutions-for-crop-protection-against-wild-animal-attacks”,-in-2018-ieee-international-conference-on-environmental-engineering-ee-,-2018-pp-1-5-ieee.html -
M. Wendt, A. Boccardi, T. Bogey, I. Degl’Innocenti. C. Moran Guizan, V. Kain, M. Barros Marin, A. Topaloudis. “Upgrade of the CERN SPS Beam Position Measurement System”, Proceedings of IPAC2018, Vancouver, BC, Canada, May 2018.
The CERN Super Proton Synchrotron (SPS) is a fast cycling hadron accelerator delivering protons with momenta of up to 450 GeV/c for the Large Hadron Collider (LHC), fixed target experiments and other users such as the AWAKE plasma acceleration...
https://phd.dii.unipi.it/publications/item/2307-https-doi-org-10-18429-jacow-ipac2018-wepaf085.html -
S. Saponara, G. Ciarpi: “Electrical, Electromagnetic, and thermal Measurements of 2-D and 3-D Integrated DC/DC Converters”, IEEE Transaction on Instrumentation and Measurement, May 2018, vol. 67, pp. 1078-1090
Abstract :The experimental characterization through electrical, electromagnetic, and thermal measurements of a new dc/dc converter architecture for high-voltage inputs, up to 60 V, is proposed in this paper. The converter has a new multistage integrated...
https://phd.dii.unipi.it/pubblicazioni/item/2305-s-saponara,-g-ciarpi-“electrical,-electromagnetic,-and-thermal-measurements-of-2-d-and-3-d-integrated-dc-dc-converters”,-ieee-transaction-on-instrumentation-and-measurement,-may-2018,-vol-67,-pp-1078-1090.html -
F. Palla, G. Ciarpi, G. Magazzù, S. Saponara: “Design of a high radiation-hard driver for Mach-Zehnder Modulators based high-speed links for hadron collider applications”, Nuclear Instruments and Methods in Physics Research, June 2018
Abstract: This work presents a design of a driver in 65 nm TSMC technology for a custom MZM designed to withstand non-ionizing energy losses (NIEL) of up few 1016 n/cm2 and up to 500 Mrad total ionisation doses (TID). The design of the driver is...
https://phd.dii.unipi.it/pubblicazioni/item/2304-f-palla,-g-ciarpi,-g-magazzù,-s-saponara-“design-of-a-high-radiation-hard-driver-for-mach-zehnder-modulators-based-high-speed-links-for-hadron-collider-applications”,-nuclear-instruments-and-methods-in-physics-research,-june-2018.html -
G. Magazzù, G. Ciarpi, S. Saponara: "Design of a radiation-tolerant high-speed driver for Mach Zehnder Modulators in High Energy Physics”, IEEE International Symposium on Circuit and Systems (ISCAS), May 2018
Abstract: This paper presents the integrated circuit design, targeting a CMOS 65 nm 1.2 V technology, of a high-speed driver that provides the differential input signals to a Mach Zender Modulator (MZM), and allows tuning of the MZM operating point...
https://phd.dii.unipi.it/pubblicazioni/item/2303-g-magazzù,-g-ciarpi,-s-saponara-design-of-a-radiation-tolerant-high-speed-driver-for-mach-zehnder-modulators-in-high-energy-physics”,-ieee-international-symposium-on-circuit-and-systems-iscas-,-may-2018.html -
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
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