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2019 IEEE International Symposium on Measurements & Networking (M&N)最新文献

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A virtual augmentation for air quality measurement sensor networks in smart cities 智能城市中空气质量测量传感器网络的虚拟增强
Pub Date : 2019-07-01 DOI: 10.1109/IWMN.2019.8805006
G. Aiello, Valentina Chetta, M. D. Coco, E. Giangreco, S. Pino, D. Storelli
Distributed measurement systems are widely employed in many domains, particularly in the smart city domain. Anyway, because of reasons like expensiveness of devices and installation issues, the sensor coverage is often inadequate to the accomplish the goals of a modern smart city. To surpass such issues, a novel paradigm becomes attractive that, once a specific domain is given, allows the creation of a system capable to virtually augment the sensor network, i.e. providing measurement estimation where sensors are unavailable. This kind of approach s particularly focused on training a target Neural Network model, which outlines environmental issues, on urban areas provided with large sensor network, and then to make other areas, equipped with poor sensor networks, take advantage of the same model. The present work has been specialized on the domain of air pollution that, because of the complex urban environment and the huge costs of measurements devices, represents a case study extremely fitting the problem.
分布式测量系统被广泛应用于许多领域,尤其是智慧城市领域。无论如何,由于设备昂贵和安装问题等原因,传感器的覆盖范围往往不足以实现现代智慧城市的目标。为了超越这些问题,一种新的范例变得有吸引力,一旦给定特定领域,就可以创建一个能够虚拟地增强传感器网络的系统,即在传感器不可用的情况下提供测量估计。这种方法特别侧重于训练目标神经网络模型,该模型可以在具有大型传感器网络的城市地区概述环境问题,然后使其他配备较差传感器网络的地区利用相同的模型。由于复杂的城市环境和测量设备的巨大成本,目前的工作主要集中在空气污染领域,这是一个非常适合这个问题的案例研究。
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引用次数: 2
An Experimental Evaluation of CRT-based Forwarding Technique. 基于ct的转发技术的实验评价。
Pub Date : 2019-07-01 DOI: 10.1109/IWMN.2019.8805035
G. Campobello, Antonino Segreto, N. Donato
This paper deals with a forwarding scheme for wireless sensor networks based on the Chinese Remainder Theorem (CRT). Several papers in literature showed that CRT-based forwarding techniques outperform more traditional approaches in terms of trade-offs between reliability, energy consumptions and computational complexity. However, although the advantages of the method were clear, all reported results were only obtained through either simulations on ideal sensor networks or simplistic analytical models. In this paper we provide detailed experimental results on CRT-based forwarding schemes obtained on a real wireless sensor network. In particular, the effect of all relevant parameters are investigated. Moreover, we show that, with proper choice of design parameters, experimental results are in agreement with numerical results predicted by analytical models.
研究了一种基于中国剩余定理(CRT)的无线传感器网络转发方案。文献中的几篇论文表明,基于crt的转发技术在可靠性、能耗和计算复杂性之间的权衡方面优于更传统的方法。然而,尽管该方法的优势是显而易见的,但所有报道的结果都是通过理想传感器网络的模拟或简单的分析模型获得的。本文给出了在真实无线传感器网络中基于crt的转发方案的详细实验结果。特别地,研究了所有相关参数的影响。此外,我们还表明,在合理选择设计参数的情况下,实验结果与解析模型预测的数值结果一致。
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引用次数: 3
Sensor network integration for a medical device using CDG 基于CDG的医疗设备传感器网络集成
Pub Date : 2019-07-01 DOI: 10.1109/IWMN.2019.8805010
V. Delgado‐Gomes, F. Januário, N. Vilhena, M. Marques, R. Jardim-Gonçalves
The weakness of the deep layer of lumbar or cervical spine muscles (so-called multifidus muscles) is among the most common causes for backpain. Frequent testing and measurements over a 20 years period of time showed a common weakness of this particular muscle group in more than 70% of investigated persons. Following a routine training has demonstrated an effective improvement in low back health. The Smart4Health project aims at empowering EU Citizens with an interoperable and exchangeable European Electronic Health Record (EHR) that will allow EU citizens to be active participants in managing their own health. As part of project activities, Smart4Health will upgrade existing physiotherapy devices with real-time measurements and connectivity capabilities, meeting new medical device regulations. Force and angle sensors measurement technology will be connected and integrated in the Smart4Health framework, enabling the patient with a real-time performance visualization and the treatment data upload for a secure cloud. The clinicians can then keep track of the patient treatment and made the necessary adjustments (if needed). The physiotherapy device and its sensors are connected over a secure network, enabling the data collection of health-related data. Moreover, an intelligent sensors network collecting citizen health and wellbeing data, adds information to citizen’s EHR.
腰椎或颈椎深层肌肉(所谓的多裂肌)的无力是背痛最常见的原因之一。在20年的时间里,频繁的测试和测量表明,超过70%的调查对象都有这种特殊肌肉群的共同弱点。遵循常规训练已证明有效改善腰背部健康。Smart4Health项目旨在为欧盟公民提供可互操作和可交换的欧洲电子健康记录(EHR),使欧盟公民能够积极参与管理自己的健康。作为项目活动的一部分,Smart4Health将升级现有的物理治疗设备,使其具有实时测量和连接功能,以满足新的医疗设备法规。力和角度传感器测量技术将被连接并集成到Smart4Health框架中,使患者能够实时可视化并将治疗数据上传到安全的云端。然后,临床医生可以跟踪病人的治疗情况,并做出必要的调整(如果需要的话)。物理治疗设备及其传感器通过安全网络连接,从而能够收集与健康相关的数据。此外,智能传感器网络收集公民健康和福祉数据,为公民的电子病历添加信息。
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引用次数: 1
A Bacterial Cellulose Based Mass Sensor 基于细菌纤维素的质量传感器
Pub Date : 2019-07-01 DOI: 10.1109/IWMN.2019.8805008
G. Pasquale, S. Graziani, A. Pollicino, C. Trigona
An all-organic Bacterial Cellulose-Conducting Polymer (BC)-PEDOT:PSS composite, impregnated by Ionic Liquids (ILs), is investigated as a mass sensor. The sensor works as a vibrating transducer, in cantilever configuration and produced a voltage signal as a consequence of the applied deformation. The influence of the added-mass on the frequency response of the system is exploited for estimating the value of the measurand. Though generating properties of composites based on BC have been already demonstrated, this is the first report showing the possibility of mass sensing by using such composites. The sensing system is based on cheap, flexible, and ecofriendly materials suitable to the realization of next to come smart ubiquitous sensing systems. The performance of the sensing system are shown in the paper.
研究了离子液体浸渍的全有机细菌纤维素导电聚合物(BC)-PEDOT:PSS复合材料作为质量传感器的性能。该传感器作为振动换能器,在悬臂结构中产生电压信号作为施加变形的结果。利用附加质量对系统频率响应的影响来估计测量值。虽然基于BC的复合材料的生成特性已经被证明,但这是第一个显示使用这种复合材料进行质量传感的可能性的报告。传感系统基于廉价、灵活和环保的材料,适合未来智能无处不在的传感系统的实现。最后给出了该传感系统的性能。
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引用次数: 9
High-Speed Analysis of SMB2 File Sharing Traffic without TCP Stream Reconstruction 不重构TCP流的SMB2文件共享流量高速分析
Pub Date : 2019-07-01 DOI: 10.1109/IWMN.2019.8805033
Eduardo Berrueta, D. Morató, E. Magaña, M. Izal
This paper presents a file sharing traffic analysis methodology for Server Message Block (SMB), a common protocol in the corporate environment. The design is focused on improving the traffic analysis rate that can be obtained per CPU core in the analysis machine. SMB is most commonly transported over Transmission Control Protocol (TCP) and therefore its analysis requires TCP stream reconstruction. We evaluate a traffic analysis design which does not require stream reconstruction. We compare the results obtained to a reference full reconstruction analysis, both in accuracy of the measurements and maximum rate per CPU core. We achieve an increment of 30% in the traffic processing rate, at the expense of a small loss in accuracy computing the probability distribution function for the protocol response times.
针对企业环境中的通用协议SMB,提出了一种文件共享流量分析方法。本设计的重点是提高分析机中每个CPU核心可获得的流量分析率。SMB通常通过TCP (Transmission Control Protocol)传输,因此对其进行分析需要TCP流重构。我们评估一个流量分析设计,它不需要流重建。我们将获得的结果与参考完整重建分析进行比较,包括测量的准确性和每个CPU核心的最大速率。我们在流量处理速率上实现了30%的增量,代价是在计算协议响应时间概率分布函数的精度上有很小的损失。
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引用次数: 2
Measuring QoS and QoE for a Softwarized Video Surveillance System in a 5G Network 5G网络下软件视频监控系统的QoS和QoE测量
Pub Date : 2019-07-01 DOI: 10.1109/IWMN.2019.8805002
L. Galluccio, Christian Grasso, M. Grasso, Raoul Raftopoulos, G. Schembra
In the last few years, thanks to the SDN and NFV network paradigms and to the MEC cloud computing paradigm, network is modifying its ossified infrastructure through a softwarization process. This process is one of the main enabler of the forthcoming 5G network. Despite the huge amount of research that has been carried out in the recent literature around both service definition and deployment in a 5G network, and characterization of quality of service (QoS) and quality of experience (QoE), there is the need of testing services on field, in order to understand how key performance indices (KPI) depend on each level of the deployment architecture. This paper considers DiMoViS, an implementation of a softwarized video surveillance system in 5G networks, with the target of identifying the main QoS and QoE performance parameters. Measurements of these parameters are achieved by using a 5G platform provided by the European Fire TRIANGLE project.
在过去的几年里,由于SDN和NFV网络范式以及MEC云计算范式的出现,网络正在通过软件化过程修改其僵化的基础设施。这一过程是即将到来的5G网络的主要推动力之一。尽管最近的文献中围绕5G网络中的服务定义和部署,以及服务质量(QoS)和体验质量(QoE)的表征进行了大量研究,但仍需要对服务进行现场测试,以了解关键性能指标(KPI)如何依赖于部署架构的每个级别。本文以5G网络软件视频监控系统的实现DiMoViS为研究对象,以确定主要QoS和QoE性能参数为目标。这些参数的测量是通过使用欧洲Fire TRIANGLE项目提供的5G平台实现的。
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引用次数: 3
Comparison of Mobile and Fixed Device Workloads in an Academic Web Server 某学术Web服务器中移动设备与固定设备的工作负载比较
Pub Date : 2019-07-01 DOI: 10.1109/IWMN.2019.8804983
Yo-Der Song, Aniket Mahanti
Data traffic volume from mobile devices has surpassed traditional desktops in recent years. A mobile versus fixed web workload characterization is much needed because the potentially different traffic patterns on mobile devices poses a new challenge that may have rendered past studies obsolete. In this paper, we present a longitudinal, comparative analysis on the mobile and fixed workloads of a large academic web server. With almost 9 billion requests in total, this is, to the best of our knowledge, the largest workload characterization study from a mobile versus fixed viewpoint. We find the diurnal traffic pattern to be weaker on mobile devices and the inter-reference, inter-session duration to be longer for mobile requests. Some comparable results were present across the device types but in most cases, workload characteristics differed between mobile and fixed device requests. Taking into account this mobile-fixed disparity is crucial to optimizing web server performance in the future as mobile traffic grows.
近年来,移动设备的数据流量已经超过了传统的桌面设备。移动和固定web工作负载的特征是非常必要的,因为移动设备上潜在的不同流量模式带来了新的挑战,可能会使过去的研究过时。在本文中,我们对一个大型学术web服务器的移动和固定工作负载进行了纵向比较分析。总共有近90亿个请求,据我们所知,这是从移动和固定角度进行的最大的工作量表征研究。我们发现移动设备上的日流量模式较弱,移动请求的相互引用、会话间持续时间更长。在各种设备类型中都有一些可比较的结果,但在大多数情况下,移动设备和固定设备请求之间的工作负载特征不同。考虑到这种移动固定的差异对于优化未来移动流量增长的web服务器性能至关重要。
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引用次数: 8
The effect of noise variance uncertainty for spectrum sensing in IEEE 802.22.3 IEEE 802.22.3中噪声方差不确定性对频谱感知的影响
Pub Date : 2019-07-01 DOI: 10.1109/IWMN.2019.8805022
G. Cerro, L. Ferrigno, E. Grossi, G. Miele, L. Venturino, D. Capriglione
The paper analyses the influence of noise variance uncertainty on the performance of an energy detection-based spectrum sensing algorithm thought for the Dynamic Spectrum Access framework. The analysis is based on spectrum acquisitions carried out on surely vacant channels by employing a commercial Software Defined Radio. The effects of noise variance variability is then evaluated in simulation environment by imposing the variations measured in actual power measurements during the experimental campaign lasting 48-hours. The achieved results clearly prove a significant performance degradation in terms of probability of both detection and false alarm, which in turn could provoke the loss of compliance of the spectrum sensing performance with respect to constraints given by international standards, as IEEE 802.22.3. The paper paths the way to further investigations aiming at providing an upper bound to noise power estimation time period in order to keep the noise uncertainty under tolerable limits.
分析了噪声方差不确定性对动态频谱接入框架下基于能量检测的频谱感知算法性能的影响。该分析是基于使用商用软件定义无线电在肯定空闲的信道上进行的频谱采集。然后在模拟环境中通过施加在持续48小时的实验活动中实际功率测量中测量的变化来评估噪声方差变异性的影响。所取得的结果清楚地证明,在检测和误报警的概率方面,性能都有显著的下降,这反过来又可能导致频谱感知性能不符合IEEE 802.22.3等国际标准给出的约束。为了使噪声不确定性保持在可容忍的范围内,本文为进一步的研究提供了一个噪声功率估计周期的上界。
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引用次数: 0
On the evaluation of application level delays in public LoRaWAN networks 公共LoRaWAN网络的应用层时延评估
Pub Date : 2019-07-01 DOI: 10.1109/IWMN.2019.8805012
D. F. Carvalho, A. Depari, P. Ferrari, A. Flammini, S. Rinaldi, E. Sisinni
The Internet of Things paradigm aims to connect a very large number of smart objects located all around the world for increasing the knowledge about the environment. Low-power wireless communications are compulsory to reduce the smart object invasiveness and ensure reasonable duration of autonomous node. For this reason, several Low-Power Wide-Area Network (LPWAN) technologies have been proposed in the recent past, because of their large range and low consumption. Most notably, the LoRaWAN solution emerged as the most accepted LPWAN and several research works appeared, discussing its advantages and limitations. However, very few, if any, discuss timing performance in a real scenario, considering not only the wireless frontend but also the wired backend. In this work, the authors implement a real use case based on a public LoRaWAN infrastructure and propose metrics to formally evaluate the delays at the application level (i.e. considering the whole infrastructure as a black box). The result is an average delay in the range 400-700 ms, and the proof that the delay is directly dependent on both the LoRaWAN backend and the connection speed of information endpoints.
物联网范式旨在连接位于世界各地的大量智能对象,以增加对环境的了解。低功耗无线通信是减少智能对象入侵和保证自治节点合理持续时间的必要条件。由于这个原因,近年来提出了几种低功耗广域网(LPWAN)技术,因为它们的范围大,消耗低。最值得注意的是,LoRaWAN解决方案成为最被接受的LPWAN,并出现了一些研究工作,讨论了它的优点和局限性。然而,很少有人(如果有的话)在真实场景中讨论时序性能,不仅要考虑无线前端,还要考虑有线后端。在这项工作中,作者实现了一个基于公共LoRaWAN基础设施的真实用例,并提出了在应用级别正式评估延迟的指标(即将整个基础设施视为黑箱)。结果是平均延迟在400-700毫秒之间,并且证明延迟直接依赖于LoRaWAN后端和信息端点的连接速度。
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引用次数: 11
NATIFLife-A Smart Sensor Network for Assistive Domotics 用于辅助机器人的智能传感器网络
Pub Date : 2019-07-01 DOI: 10.1109/IWMN.2019.8805013
B. Andò, S. Baglio, S. Castorina, R. Crispino, S. Graziani, V. Marletta, Luca Porcaro, Sebastiano Salupo
In this paper research activities developed within the NATIFLife project are presented. The project, funded by INTERREG V-A Italy-Malta Cooperation Programme, aims at developing an Integrated Platform of Assistive Technology solutions supporting elderly and people with impairments in their domestic environment. An overview of the NATIFLife project is provided here, then the architecture of the Assistive Platform, together with the research activities are described.
本文介绍了在NATIFLife项目中开展的研究活动。该项目由INTERREG V-A意大利-马耳他合作计划资助,旨在开发一个辅助技术解决方案综合平台,在家庭环境中为老年人和残疾人提供支持。本文首先概述了NATIFLife项目,然后介绍了辅助平台的体系结构以及研究活动。
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引用次数: 5
期刊
2019 IEEE International Symposium on Measurements & Networking (M&N)
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