2015 IEEE 1st International Forum on Research and Technologies for Society and Industry Leveraging a better tomorrow (RTSI)最新文献

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User association and the alignment-throughput tradeoff in millimeter wave networks 毫米波网络中用户关联与对准吞吐量权衡
Hossein Shokri-Ghadikolaei, Yuzhe Xu, Lazaros Gkatzikis, C. Fischione
{"title":"User association and the alignment-throughput tradeoff in millimeter wave networks","authors":"Hossein Shokri-Ghadikolaei, Yuzhe Xu, Lazaros Gkatzikis, C. Fischione","doi":"10.1109/RTSI.2015.7325078","DOIUrl":"https://doi.org/10.1109/RTSI.2015.7325078","url":null,"abstract":"Millimeter wave (mmWave) communication is a promising candidate for future extremely high data rate, wireless networks. The main challenges of mmWave communications are deafness (misalignment between the beams of the transmitter and receiver) and blockage (severe attenuation due to obstacles). Due to deafness, prior to link establishment between a client and its access point, a time consuming alignment/beam training procedure is necessary, whose complexity depends on the operating beamwidth. Addressing blockage may require a reassociation to non-blocked access points, which in turn imposes additional alignment overhead. This paper introduces a unifying framework to maximize network throughput considering both deafness and blockage. A distributed auction-based solution is proposed, where the clients and access points act asynchronously to achieve optimal association along with the optimal operating beamwidth. It is shown that the proposed algorithm provably converges to a solution that maximizes the aggregate network utility within a desired bound. Convergence time and performance bounds are derived in closed-forms. Numerical results confirm superior throughput performance of the proposed solution compared to existing approaches, and highlight the existence of a tradeoff between alignment overhead and achievable throughput that affects the optimal association.","PeriodicalId":187166,"journal":{"name":"2015 IEEE 1st International Forum on Research and Technologies for Society and Industry Leveraging a better tomorrow (RTSI)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116926028","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 15
Electrical Resistance Tomography on thin films: Sharp conductive profiles 薄膜上的电阻层析成像:清晰的导电剖面
Alessandro Cultrera, L. Callegaro
{"title":"Electrical Resistance Tomography on thin films: Sharp conductive profiles","authors":"Alessandro Cultrera, L. Callegaro","doi":"10.1109/RTSI.2015.7325114","DOIUrl":"https://doi.org/10.1109/RTSI.2015.7325114","url":null,"abstract":"In this paper Electrical Resistance Tomography is applied to recover maps of sheet conductance of commercial metal-oxide thin films, chosen as test material. Results are compared to nominal specifications and van der Pauw, four-point probe measurements. It is shown how Electrical Resistance Tomography can measure with good accuracy the nominal conductance value in uniform samples and also identify resistivity inhomogeneities in altered samples. The choice of the reconstruction algorithm is also briefly discussed.","PeriodicalId":187166,"journal":{"name":"2015 IEEE 1st International Forum on Research and Technologies for Society and Industry Leveraging a better tomorrow (RTSI)","volume":"91 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115061955","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Deseeding energy consumption of network stacks 减少网络栈能耗
Iñaki Ucar, A. Azcorra
{"title":"Deseeding energy consumption of network stacks","authors":"Iñaki Ucar, A. Azcorra","doi":"10.1109/RTSI.2015.7325085","DOIUrl":"https://doi.org/10.1109/RTSI.2015.7325085","url":null,"abstract":"Regular works on energy efficiency strategies for wireless communications are based on classical energy models that account for the wireless card only. Nevertheless, there is a non-negligible energy toll called cross-factor that encompasses the energy drained while a frame crosses the network stack of an OS. This paper addresses the challenge of deepen into the roots of the cross-factor, deseed its components and analyse its causes. Energy issues are critical for IoT devices. Thus, this paper conceives and validates a new comprehensive framework that enables us to measure a wide range of wireless devices, as well as multiple devices synchronously. We also present a rigorous methodology to perform whole-device energy measurements in laptops, a more generic and suitable device to perform energy debugging. Finally, and using this framework, we provide a collection of measurements and insights that deepens our understanding of the cross-factor.","PeriodicalId":187166,"journal":{"name":"2015 IEEE 1st International Forum on Research and Technologies for Society and Industry Leveraging a better tomorrow (RTSI)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134549137","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Immersive VR for natural interaction with a haptic interface for Shape Rendering 沉浸式VR与形状渲染的触觉界面进行自然交互
M. Covarrubias, M. Bordegoni
{"title":"Immersive VR for natural interaction with a haptic interface for Shape Rendering","authors":"M. Covarrubias, M. Bordegoni","doi":"10.1109/RTSI.2015.7325075","DOIUrl":"https://doi.org/10.1109/RTSI.2015.7325075","url":null,"abstract":"This paper presents an immersive virtual reality system that includes a natural interaction approach based on free hand gestures that is used to drive a Desktop Haptic Strip for Shape Rendering (DHSSR). The DHSSR is a mechatronic display of virtual curves intersecting 3D virtual objects, and aims at allowing designers to evaluate the quality of shapes during the conceptual design phase of new products. The DHSSR consists of a 6DOF servo-actuated developable metallic strip, which reproduces cross-sectional curves of 3D virtual objects. Virtual curves can be interactively generated on the 3D surface of the virtual object, and coherently the DHSSR haptic interface renders them. An intuitive and natural modality for interacting with the 3D virtual objects and 3D curves is offered to users, who are mainly industrial designers. This consists of an immersive virtual reality system for the visualization of the 3D virtual models and a hand gestural interaction approach used by the user for handling the models. The system has been implemented by using low cost and open technologies, and combines a software engine for interactive 3D content generation (Unity 3D), the Oculus Rift Head Mounted Display for 3D stereo visualization, a motion capture sensor (LeapMotion) for tracking the user's hands, and the Arduino Leonardo board for controlling the components. Results reported in the paper are positive for what concerns the quality of the rendering of the surface, and of the interaction modality proposed.","PeriodicalId":187166,"journal":{"name":"2015 IEEE 1st International Forum on Research and Technologies for Society and Industry Leveraging a better tomorrow (RTSI)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115416615","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Light weight GNSS-based passive radar for remote sensing UAV applications 用于遥感无人机的轻型gnss无源雷达
M. Gamba, S. Ugazio, G. Marucco, M. Pini, L. Presti
{"title":"Light weight GNSS-based passive radar for remote sensing UAV applications","authors":"M. Gamba, S. Ugazio, G. Marucco, M. Pini, L. Presti","doi":"10.1109/RTSI.2015.7325121","DOIUrl":"https://doi.org/10.1109/RTSI.2015.7325121","url":null,"abstract":"Nowadays, Unmanned Aerial Vehicles (UAVs) platform are widely employed in a broad range of applications: from environmental monitoring and precise agriculture to humanitarian localization and rescue and prevention of events such as floods, fires, landslides. On the other hand, Global Navigation Satellite System Reflectometry (GNSS-R) is an emerging technique which allows to monitor Earths surface parameters. Recently, this technique has been applied to soil moisture monitoring. In this paper, a prototype of a GNSS-based passive radar, able to exploit GNSS reflected signals from ground for soil moisture monitoring applications is presented. The prototype is able to handle signals coming from three antennas: one up-looking Right-Hand (RH) Circular Polarized antenna, for the direct signal from satellite, and two down-looking antennas, one RH and the other Left-Hand (LH) Circular Polarized, to measure the signals coming after reflection from ground. It is made of low-cost hardware and it is small and lightweight in order to be mounted on board an aircraft or a UAV. It basically serves as data grabber: the collected data are stored to memory for off-line processing. The design and development of the prototype is illustrated and early results of an in-field test campaign are also presented.","PeriodicalId":187166,"journal":{"name":"2015 IEEE 1st International Forum on Research and Technologies for Society and Industry Leveraging a better tomorrow (RTSI)","volume":"89 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127206738","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Magnetic solitons driven by spin-based phenomena: A review on their features and potentialities 自旋驱动磁孤子的特性及其应用前景
R. Tomasello, A. Giordano, V. Puliafito, M. Carpentieri
{"title":"Magnetic solitons driven by spin-based phenomena: A review on their features and potentialities","authors":"R. Tomasello, A. Giordano, V. Puliafito, M. Carpentieri","doi":"10.1109/RTSI.2015.7325094","DOIUrl":"https://doi.org/10.1109/RTSI.2015.7325094","url":null,"abstract":"Magnetic solitons are localized magnetization configurations which can be stabilized in both conservative and dissipative systems. They can be nucleated by means of the spin-transfer torque starting from a uniform magnetization state and they can exist as static or dynamical states. They can be classified according to their topology, namely to their skyrmion number. Here, we summarize the main features of three kinds of solitons (vortexes, bubbles, and skyrmions), pointing out their most promising technological applications.","PeriodicalId":187166,"journal":{"name":"2015 IEEE 1st International Forum on Research and Technologies for Society and Industry Leveraging a better tomorrow (RTSI)","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132222672","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On Supply Reliability and Voltage Quality in the presence of feeder automation in MV Smart Grids 中压智能电网馈线自动化下的供电可靠性和电压质量研究
Manuel Chiumarulo, S. Djokic, R. Langella, A. Testa, Alfonso Turco
{"title":"On Supply Reliability and Voltage Quality in the presence of feeder automation in MV Smart Grids","authors":"Manuel Chiumarulo, S. Djokic, R. Langella, A. Testa, Alfonso Turco","doi":"10.1109/RTSI.2015.7325098","DOIUrl":"https://doi.org/10.1109/RTSI.2015.7325098","url":null,"abstract":"Analysis of Supply Reliability and Voltage Quality (SR/VQ) in the presence of feeder automation in MV Smart Grids (SG) is addressed. After some recalls about methodological aspects, some feeder automation techniques adopted in Italy for fault detection and isolation are described. Then, models of the different automation procedures for a simple test system are developed. Numerical analyses aimed to evaluate SR/VQ indices for the different automation techniques are performed. Finally, a comparison among the effects in terms of expected number per user and per year of Long Interruptions (LI), Short Interruptions (SI) and Voltage Dips and of SARFI indexes is performed.","PeriodicalId":187166,"journal":{"name":"2015 IEEE 1st International Forum on Research and Technologies for Society and Industry Leveraging a better tomorrow (RTSI)","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129928950","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Simulated shunts as dc low-resistance travelling standards 模拟分流作为直流低阻旅行标准
L. Callegaro, C. Cassiago, E. Gasparotto
{"title":"Simulated shunts as dc low-resistance travelling standards","authors":"L. Callegaro, C. Cassiago, E. Gasparotto","doi":"10.1109/RTSI.2015.7325115","DOIUrl":"https://doi.org/10.1109/RTSI.2015.7325115","url":null,"abstract":"We introduce a device that simulates a low-valued resistance standard (shunt) that can be employed as a metrology-grade travelling standard, for the traceability transfer of dc resistance in the low range, and in laboratory intercomparisons. The device is composed of a direct-current current comparator (DCCT) and a mid-range resistance standard. A prototype having a nominal resistance of 10m Ω has been constructed. Experiments show that it can be measured with high-accuracy commercial dc resistance bridges in their default operating configurations. The power coefficient is much lower than a corresponding shunt of the same nominal resistance. The expected long-term and transport stability is a few parts in 106 or better.","PeriodicalId":187166,"journal":{"name":"2015 IEEE 1st International Forum on Research and Technologies for Society and Industry Leveraging a better tomorrow (RTSI)","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131209249","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Hybridization kit for light commercial vehicles using a fault-tolerant electrical drive 使用容错电驱动的轻型商用车杂交套件
E. D. Loggia, G. Fabri, A. Tullio, M. Tursini, F. P. Collazzo
{"title":"Hybridization kit for light commercial vehicles using a fault-tolerant electrical drive","authors":"E. D. Loggia, G. Fabri, A. Tullio, M. Tursini, F. P. Collazzo","doi":"10.1109/RTSI.2015.7325156","DOIUrl":"https://doi.org/10.1109/RTSI.2015.7325156","url":null,"abstract":"The increase of the number of electric machines and drives in automotive applications leads to enhance the overall functionality and efficiency of the vehicles but it determines reliability problems. Hence, the automotive industry is moving towards the introduction of fault-tolerance capability in those components involving safety issues. This paper describes the design concept and prototyping of an electrical drive for auxiliary services based on fault-tolerance concept. The system is designed to be included in a plug-in kit for the hybridization of light commercial vehicles used for the last mile transportation in urban areas. The architecture adopted for both the electrical machine and the power converter is presented and some experimental results achieved on a drive prototype are reported.","PeriodicalId":187166,"journal":{"name":"2015 IEEE 1st International Forum on Research and Technologies for Society and Industry Leveraging a better tomorrow (RTSI)","volume":"141 11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125698413","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Magnetization processes of non oriented electrical steels: Vector hysteresis and energy losses measurements 无取向电工钢的磁化过程:矢量迟滞和能量损耗测量
S. Q. Antonio, M. Pompei
{"title":"Magnetization processes of non oriented electrical steels: Vector hysteresis and energy losses measurements","authors":"S. Q. Antonio, M. Pompei","doi":"10.1109/RTSI.2015.7325103","DOIUrl":"https://doi.org/10.1109/RTSI.2015.7325103","url":null,"abstract":"This work presents measurements of the static magnetization processes of non oriented electrical steels usually used for the electrical machines. The experimental results obtained can be used as a benchmark for the identification procedures of phenomenological models used for the representation of the magnetic behavior of the electrical steels. The experimental set-up used and some results about scalar and vector magnetization processes and static hysteresis losses are presented in the paper.","PeriodicalId":187166,"journal":{"name":"2015 IEEE 1st International Forum on Research and Technologies for Society and Industry Leveraging a better tomorrow (RTSI)","volume":"108 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124237480","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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