Risultati di ricerca
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G. Nardini, G. Stea, A. Virdis, D. Sabella, M. Caretti, "Broadcasting in LTE-Advanced networks using multihop D2D communications", IEEE PIMRC 2016, Valencia, ES, September 5-7, 2016
In an LTE-Advanced network, network-controlled Device-to-Device (D2D) communications can be combined in a multihop fashion to distribute broadcasts over user-defined (and possibly large) areas, with small latencies and occupying few resources. Such a...
https://phd.dii.unipi.it/pubblicazioni/item/1065-g-nardini,-g-stea,-a-virdis,-d-sabella,-m-caretti,-broadcasting-in-lte-advanced-networks-using-multihop-d2d-communications-,-ieee-pimrc-2016,-valencia,-es,-september-5-7,-2016.html -
R. Morello, W. Zamboni, F. Baronti, R. D. Rienzo, R. Roncella, G. Spagnuolo, and R. Saletti, “Comparison of state and parameter estimators for electric vehicle batteries”, in IECON 2015 - 41st Annual Conference of the IEEE Ind. Electron. Soc., 2015
A Battery Management System (BMS) is needed to ensure a safe and effective operation of a Lithium-ion battery, especially in electric vehicle applications. An important function of a BMS is the reliable estimation of the battery state in a wide range of...
https://phd.dii.unipi.it/pubblicazioni/item/1060-r-morello,-w-zamboni,-f-baronti,-r-d-rienzo,-r-roncella,-g-spagnuolo,-and-r-saletti,-“comparison-of-state-and-parameter-estimators-for-electric-vehicle-batteries,”-in-iecon-2015-41st-annu-conf-ieee-ind-electron-soc-,-2015.html -
E. Barcaroli, F.Cuccoli, S.Lischi, A.Lupidi, L.Facheris, "Output consistency analysis of the polarimetric weather radar simulator through real weather events", 17th International Radar Symposium (IRS), 10-12 May 2016
POWERS is a polarimetric weather radar signal simulator developed by the RaSS (Radar and Surveillance System) Laboratory. This software allows to produce realistic weather radar measurements from a known meteorological scenario, generated by the WRF...
https://phd.dii.unipi.it/pubblicazioni/item/1040-http-ieeexplore-ieee-org-xpls-abs_all-jsparnumber-7497357-tag-1.html -
Giuseppe Portaluri; Stefano Giordano: "Power efficient resource allocation in cloud computing data centers using multi-objective genetic algorithms and simulated annealing", 4th International Conference on Cloud Networking (CloudNet), 2015
In this paper we present a new task allocator for Cloud Data Center (DC). The implementation is based on two different heuristics: Multi-Objective Genetic Algorithms (MOGA) and Simulated Annealing (SA). The allocator reduces at the same time both task...
https://phd.dii.unipi.it/pubblicazioni/item/1025-giuseppe-portaluri-stefano-giordano-power-efficient-resource-allocation-in-cloud-computing-data-centers-using-multi-objective-genetic-algorithms-and-simulated-annealing.html -
Davide Adami; Andrea Gabbrielli; Stefano Giordano; Michele Pagano; Giuseppe Portaluri: "A Fuzzy Logic Approach for Resources Allocation in Cloud Data Center", 5th Workshop on Cloud Computing Systems, Networks, and Applications (Globecom), 2015
The rapidly increasing demand of Cloud services, asking for a flexible and dynamic design of the Cloud, has become a major challenge in DC deployment. Classical Traffic Engineering approaches are no longer enough to deal with the efficient use of IT and...
https://phd.dii.unipi.it/pubblicazioni/item/1024-davide-adami-andrea-gabbrielli-stefano-giordano-michele-pagano-giuseppe-portaluri-a-fuzzy-logic-approach-for-resources-allocation-in-cloud-data-center.html -
Giuseppe Portaluri; Stefano Giordano; Dzmitry Kliazovich; Bernabé Dorronsoro: "A power efficient genetic algorithm for resource allocation in cloud computing data centers", 3rd International Conference on Cloud Networking (CloudNet), Luxembourg, 2014
One of the main challenges in cloud computing is to increase the availability of computational resources, while minimizing system power consumption and operational expenses. This article introduces a power efficient resource allocation algorithm for...
https://phd.dii.unipi.it/pubblicazioni/item/1023-giuseppe-portaluri-stefano-giordano-dzmitry-kliazovich-bernabé-dorronsoro-a-power-efficient-genetic-algorithm-for-resource-allocation-in-cloud-computing-data-centers.html -
G. Nardini, A. Virdis, G. Stea, "Modeling X2 backhauling for LTE-Advanced and assessing its effect on CoMP Coordinated Scheduling", IWSLS2 2016, Vienna, July 1st, 2016
Many LTE-Advanced algorithms and protocols rely on node coordination and cooperation to reduce power consumption, increase spectral efficiency and improve cell-edge performance. Functions such as Coordinated Multi Point, Network Assisted Handover, etc.,...
https://phd.dii.unipi.it/pubblicazioni/item/972-g-nardini,-a-virdis,-g-stea,-modeling-x2-backhauling-for-lte-advanced-and-assessing-its-effect-on-comp-coordinated-scheduling-,-iwsls2-2016,-vienna,-july-1st,-2016.html -
A. Virdis, G. Nardini, G. Stea, "Modeling unicast device-to-device communications with SimuLTE", IWSLS2 2016, Vienna, July 1st, 2016
In LTE-Advanced (LTE-A), device-to-device (D2D) transmissions allow two peering User Equipments to communicate directly without using the Evolved Node-B as relay. D2D is regarded as one of the enablers to bring LTE-A in the context of vehicular...
https://phd.dii.unipi.it/pubblicazioni/item/971-a-virdis,-g-nardini,-g-stea,-modeling-unicast-device-to-device-communications-with-simulte-,-iwsls2-2016,-vienna,-july-1st,-2016.html -
Vincenzo Maffione, Luigi Rizzo, Giuseppe Lettieri: Flexible Virtual Networking using netmap passthrough, IEEE Lanman 2016, Rome, June 2016
The rising interest in Network Function Virtualiza- tion (NFV) requires Virtual Machines (VMs) to operate with diversified networking workloads, from traditional, bulk TCP transfers to novel ones featuring extremely high packet rates. In response,...
https://phd.dii.unipi.it/pubblicazioni/item/948-vincenzo-maffione,-luigi-rizzo,-giuseppe-lettieri-flexible-virtual-networking-using-netmap-passthrough,-ieee-lanman-2016,-rome,-june-2016.html -
High Performance Embedded System for Real-Time Pattern Matching
Abstract In this paper we present an innovative and high performance embedded system for real-time pattern matching. This system is based on the evolution of hardware and algorithms developed for the field of High Energy Physics and more specifically...
https://phd.dii.unipi.it/pubblicazioni/item/943-http-www-sciencedirect-com-science-article-pii-s0168900216305721.html -
Highly Parallelized Pattern Matching Hardware for Fast Tracking at Hadron Colliders
Abstract A high-performance "pattern matching" implementation based on the Associative Memory (AM) system is presented. It is designed to solve the real-time hit-to-track association problem for particles produced in high-energy physics experiments at...
https://phd.dii.unipi.it/pubblicazioni/item/942-http-ieeexplore-ieee-org-xpl-articledetails-jsparnumber-7454837.html -
Design of a hardware track finder (Fast Tracker) for the ATLAS trigger
Abstract The use of tracking information at the trigger level in the LHC Run II period is crucial for the trigger and data acquisition system and will be even more so as contemporary collisions that occur at every bunch crossing will increase in Run...
https://phd.dii.unipi.it/pubblicazioni/item/941-http-iopscience-iop-org-article-10-1088-1748-0221-11-02-c02056-meta.html -
A XOR-based associative memory block in 28 nm CMOS for interdisciplinary applications
Abstract In this paper we describe a Content Addressable Memory architecture designed in 28 nm CMOS technology and based on the 65 nm XORAM cell previously developed. The cell is composed by two main blocks: a 6T SRAM, and a 4T XOR logic gate. Each...
https://phd.dii.unipi.it/pubblicazioni/item/940-http-ieeexplore-ieee-org-xpl-articledetails-jsparnumber-7440331.html -
A pattern recognition mezzanine based on associative memory and FPGA technology for L1 track triggering at HL-LHC
The increase of luminosity at HL-LHC will require the introduction of tracker information at Level-1 trigger system for the experiments to maintain an acceptable trigger rate to select interesting events despite the one order of magnitude increase in...
https://phd.dii.unipi.it/pubblicazioni/item/939-http-www-sciencedirect-com-science-article-pii-s0168900215011572.html -
Avvenuti, M., Cresci, S., Del Vigna, F., & Tesconi, M. (2016). Impromptu Crisis Mapping to Prioritize Emergency Response. Computer, 49(5), 28-37.
To visualize post-emergency damage, a crisis-mapping system uses readily available semantic annotators, a machine-learning classifier to analyze relevant tweets, and interactive maps to rank extracted situational information. The system was validated...
https://phd.dii.unipi.it/pubblicazioni/item/935-avvenuti,-m-,-cresci,-s-,-del-vigna,-f-,-tesconi,-m-2016-impromptu-crisis-mapping-to-prioritize-emergency-response-computer,-49-5-,-28-37.html -
N. Iardella, G. Nardini, G. Stea, A. Virdis, F. Mauro, D. Sabella, M. Caretti, G.M. Dell'Aera, "Coordinated scheduling in a Virtual-RAN prototype with OpenAirInterface", EUCNC 2016, Athens, 27-30 June 2016
The virtualized Radio Access Network (V-RAN) is a key technology for 5G networks. In this paper we present a live prototype of Virtual RAN implementing a Coordinated Scheduling algorithm enforced by a centralized coordinator. The 5G proof of concept,...
https://phd.dii.unipi.it/pubblicazioni/item/921-n-iardella,-g-nardini,-g-stea,-a-virdis,-f-mauro,-d-sabella,-m-caretti,-g-m-dell-aera,-coordinated-scheduling-in-a-virtual-ran-prototype-with-openairinterface-,-eucnc-2016,-athens,-27-30-june-2016.html -
G. Nardini, G. Stea, A. Virdis, D. Sabella, M. Caretti, "Fast and agile lossless mode switching for D2D communications in LTE-Advanced networks", IEEE VTC Spring 2016, Nanjing, PRC, 15-18 May 2016
Direct (or D2D) communications allow two UEs to communicate without passing through the eNodeB. However, the two UEs may still need to relay their communication through the eNB from time to time, hence should be able to switch from the direct to the...
https://phd.dii.unipi.it/pubblicazioni/item/918-g-nardini,-g-stea,-a-virdis,-d-sabella,-m-caretti,-fast-and-agile-lossless-mode-switching-for-d2d-communications-in-lte-advanced-networks-,-ieee-vtc-spring-2016,-nanjing,-prc,-15-18-may-2016.html -
G. Nardini, G. Stea, A. Virdis, "Performance evaluation of TCP-based traffic over direct communications in LTE-Advanced", IEEE VTC Spring 2016, Nanjing, PRC, 15-18 May 2016
Direct (or device-to-device, D2D) communications are being investigated in the framework of LTE-Advanced. They allow one-to-one communications between two endpoints, under the control of the eNodeB, which allocates resources for the d2d flow, but does...
https://phd.dii.unipi.it/pubblicazioni/item/917-g-nardini,-g-stea,-a-virdis,-performance-evaluation-of-tcp-based-traffic-over-direct-communications-in-lte-advanced-,-ieee-vtc-spring-2016,-nanjing,-prc,-15-18-may-2016.html -
F. Baronti, R. Di Rienzo, N. Papazafiropulos, R. Roncella, R. Saletti: "Investigation of series-parallel connections of multi-module batteries for electrified vehicles," 2014 IEEE International Electric Vehicle Conference (IEVC), December 2014
Large-format Lithium-ion battery packs consist of the series and parallel connection of elemental cells, usually assembled into modules. The required voltage and capacity of the battery pack can be reached by various configurations of the elemental...
https://phd.dii.unipi.it/pubblicazioni/item/898-http-ieeexplore-ieee-org-xpl-articledetails-jsparnumber-7056173.html -
C. Magliaro, A. Callara, G. Mattei, M. Morcinelli, M. Viaggi, F. Vaglini, A. Ahluwalia: “Clarifying CLARITY: quantitative optimization of the diffusion based delipidation protocol for genetically labelled tissue,” Front.Neurosci., vol.10, n.179, 2016
Tissue clarification has been recently proposed to allow deep tissue imaging without light scattering. The clarification parameters are somewhat arbitrary and dependent on tissue type, source and dimension: every laboratory has its own protocol, but a...
https://phd.dii.unipi.it/pubblicazioni/item/882-c-magliaro,-a-callara,-g-mattei,-m-morcinelli,-m-viaggi,-f-vaglini,-a-ahluwalia-“clarifying-clarity-quantitative-optimization-of-the-diffusion-based-delipidation-protocol-for-genetically-labelled-tissue,”-front-neurosci-,-vol-10,-n-179,-2016.html
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- 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
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