检索结果-内蒙古大学图书馆

Semantic Filtering and Source Coding in distributed Wireless monitoring systems

IEEE TRANSACTIONS ON COMMUNICATIONS 2024年第6期72卷 3290-3304页

作者： Agheli, Pouya Pappas, Nikolaos Kountouris, Marios EURECOM Commun Syst Dept F-06904 Sophia Antipolis France Linkoping Univ Dept Comp & Informat Sci S-58183 Linkoping Sweden

The problem of goal-oriented semantic filtering and timely source coding in multiuser communication systems is considered here. We study a distributed monitoring system in which multiple information sources, each observing a physical process, provide status update packets to multiple monitors having heterogeneous goals. Two semantic filtering schemes are first proposed as a means to admit or drop arrival packets based on their goal-dependent importance, which is a function of the intrinsic and extrinsic attributes of information and the probability of occurrence of each realization. Admitted packets at each sensor are then encoded and transmitted over block-fading wireless channels so that served monitors can timely fulfill their goals. A truncated error control scheme is derived, which allows transmitters to drop or retransmit undelivered packets based on their significance. Then, we formulate the timely source encoding optimization problem and analytically derive the optimal codeword lengths assigned to the admitted packets which maximize a weighted sum of semantic utility functions for all pairs of communicating sensors and monitors. Our analytical and numerical results provide the optimal design parameters for different arrival rates and highlight the improvement in timely status update delivery using the proposed semantic filtering, source coding, and error control schemes.

关键词： Semantics monitoring Source coding Transmitters Protocols Error correction Performance evaluation Goal-oriented semantic communication semantic filtering timely source coding distributed monitoring systems

来源：评论

学校读者我要写书评

暂无评论

Assessment Criteria for a distributed Energy Measurement and monitoring System 17

Assessment Criteria for a Distributed Energy Measurement and...

引用

17th IEEE International Conference on Environment and Electrical Engineering (IEEE EEEIC) / 1st IEEE Industrial and Commercial Power systems Europe Conference (IEEE I and CPS Europe)

作者： Martirano, Luigi Borghi, Luigi Bua, Franco Cristaldi, Loredana Forni, Daniele Frattini, Giulia Grigis, Giacomo Lavecchia, Cristina Liziero, Michele Mongiovi, Luca Nastri, Emanuele Tironi, Enrico Sapienza Univ Rome DIAEE Rome Italy Didelme Sistemi Srl Castellanza Italy Engn & Consulting Pavia Italy Politecn Milan DEIB Dept Milan Italy Fire Genoa Italy Energyteam Genoa Italy Schneider Elect SpA Florence Italy Fdn Osservatorio Meteorol Milano Duom Milan Italy Energy & ICT Consultant Milan Italy Minist Sviluppo Econom Milan Italy

ISBN: (纸本)9781538639177

It is well known that the control of energy consumptions in a building or in an organization enables to improve the energy performance (EP). The measurement plan defines the procedure for the design, deployment, utilization, maintenance and improvement of a distributed measurement and monitoring system (DMS). A DMS is able to measure and analyze the EP of the organization according to factors that influence the operation of the site. The paper suggests a method of assessment of a DMS based on different criteria. The paper focused on the criterion of the Level of Coverage. The authors suggest the definition of a Level of Coverage Numeric Indicator (LoCNI) that evaluates the capacity of the DMS to track consumptions by zones and by uses.

关键词： distributed monitoring systems SCADA Building Automation

来源：评论

学校读者我要写书评

暂无评论

A Reprogrammable and Intelligent monitoring System for Rock-Collapse Forecasting

引用

IEEE systems JOURNAL 2016年第2期10卷 733-744页

作者： Alippi, Cesare Boracchi, Giacomo Roveri, Manuel Politecn Milan Dipartimento Elettron & Informaz I-20133 Milan Italy

The lack of clearly noticeable forerunners, the need to acquire large amounts of data coming from sensors sampled at middle/high rates, and the potentially catastrophic effects of the physical phenomenon under monitoring make rock-collapse forecasting a challenging and valuable environmental monitoring application. In this paper, we describe a rock-collapse forecasting system based on a hybrid wireless-wired architecture, where a set of acquisition units is connected through a fieldbus to a base station, which collects and wirelessly transmits acquired measurements to a remote control room. The main features of the proposed rock-collapse forecasting system are the ability to process data sampled at high-frequency rates locally and in real time, the run-time remote reconfigurability of the forecasting application, and the possibility to distribute intelligent processing through the system layers to balance energy consumption and the application performance. Five instances of the proposed system have been deployed along the Swiss-Italian Alps.

关键词： distributed monitoring systems high-frequency-sampling rock-collapse forecasting hybrid sensor networks intelligent monitoring systems remote reconfigurability

来源：评论

学校读者我要写书评

暂无评论

On-line Reconstruction of Missing Data in Sensor/Actuator Networks by Exploiting Temporal and Spatial Redundancy

On-line Reconstruction of Missing Data in Sensor/Actuator Ne...

引用

International Joint Conference on Neural Networks (IJCNN)

作者： Alippi, Cesare Boracchi, Giacomo Roveri, Manuel Politecn Milan Dipartimento Elettron & Informaz I-20133 Milan Italy

ISBN: (纸本)9781467314909

Data streams from remote monitoring systems such as wireless sensor networks show immediately that the "you sample you get" statement is not always true. Not rarely, the data stream is interrupted by intermittent communication or sensors faults, resulting in missing data in the received sequence. This has a negative impact in many algorithms assuming continuous data stream;as such, the missing data must be suitably reconstructed, in order to guarantee continuous data availability. We suggest a general methodology for reconstructing missing data that exploits both temporal and spatial redundancy characterizing the phenomenon being monitored and the distributed system, a situation proper of many monitoring systems constituted by sensor and actuator networks. Temporal and spatial dependencies are learned through linear and non-linear non-parametric models, also encompassing neural -possibly recurrent-networks, which become the spatial transfer functions connecting the different views of the phenomenon under investigation. Missing data are finally reconstructed by exploiting the forecasting ability provided by such transfer functions. The experimental section shows the effectiveness of the proposed methodology.

关键词： Missing data non-linear reconstruction fault accommodation distributed monitoring systems recurrent neural networks

来源：评论

学校读者我要写书评

暂无评论

Fiber Optic distributed Sensing Applications in Defense, Security and Energy

Fiber Optic Distributed Sensing Applications in Defense, Sec...

引用

Conference on Fiber Optic Sensors and Applications VI

作者： Jaaskelainen, Mikko SensorTran Inc Austin TX USA

distributed Fiber Optic Sensing is a powerful technology with wide spread use in applications from down-hole oil & gas wells to environmental monitoring of streams. This paper will highlight some of the various te... 详细信息

ISBN: (纸本)9780819475824

关键词： distributed Fiber Optic Sensing distributed monitoring systems Rayleigh Brillouin Raman distributed Temperature Sensing DTS Hydrogen induced attenuation steam drive

来源：评论

学校读者我要写书评

暂无评论

Design of Wireless Sensor Network Based Embedded systems for Aquaculture Environment monitoring 1

引用

3rd International Conference on Information System Design and Intelligent Applications (INDIA)

作者： Vaddadi, Sai Krishna Sadistap, Shashikant Acad Sci & Innovat Res Pilani 333031 Rajasthan India CSIR CEERI AEG Pilani 333031 Rajasthan India

ISBN: (数字)9788132227571

ISBN: (纸本)9788132227571;9788132227564

This paper proposes an process/environmental parameters monitoring framework based on Wireless Sensor Networks (WSNs) using embedded systems. The developed system will have many applications particularly in the area of aquaculture, tea plantations, vineyards, precision agriculture, green houses monitoring etc. The complexity of the system increases for applications involving aquaculture. The developed systems are tailored for sensing in wide farmland's without (or) very little human supervision. The fully designed and developed system consists of sensors for monitoring the parameters, sensor node with wireless network topology, gateway for collecting the information from the sensor node and transmitting the information to the central control unit. Data base, real-time monitoring and visualization facilities, controlling of sensor nodes and sensors are provided at the central control unit. Sensor nodes, sensor assembly and gateways should with stand demanding environmental conditions like rain, dust, heat, moisture, relative humidity etc. With these systems deployed in large farm's bodies the scientist's will have more and more field data with very little human intervention. The acquired data can be used to provide quantitative indications about the farm's status, thus easy for analysis and decision making. In this paper we are focusing our discussion about WSNs in the field of aquaculture.

关键词： Wireless sensor networks (WSNs) Aquaculture distributed monitoring systems Communication protocol

来源：评论

学校读者我要写书评

暂无评论

Effective design of WSNs: from the lab to the real world

Effective design of WSNs: from the lab to the real world

引用

3rd International Conference on Sensing Technology

作者： Alippi, Cesare Camplani, Romolo Galperti, Cristian Roveri, Manuel Politecn Milan Dipartimento Elettron & Informaz I-20133 Milan Italy

ISBN: (纸本)9781424421763

distributed environmental monitoring with wireless sensor networks (WSNs) is one of the most challenging research activities faced by the embedded system community in the last decade. Here, the need for pervasive, reliable and accurate monitoring systems has pushed the research towards the realization of credible deployments able to survive in harsh environments for long time. Design an effective WSN requires a good piece of engineer work, not to mention the research contribution needed to provide a credible deployment. As a matter of fact, to solve our application, we are looking for a monitoring framework scalable, adaptive with respect to topological changes in the network, power-aware in its middleware components and endowed with energy harvesting mechanisms to grant a long lifetime for the network. The paper addresses all main aspects related to the design of a WSN ranging from the -possible- need of an ad-hoc embedded system, to sensing, local and remote transmission, data storage and visualization;particular attention will be devoted to energy harvesting and management aspects at the unit and network level. Two applications, namely monitoring the marine environment and forecasting the collapse of rock faces in mountaineering areas will be the experimental leitmotiv of the presentation.

关键词： Wireless Sensor Network distributed monitoring systems

来源：评论

学校读者我要写书评

暂无评论

Assessment Criteria for a distributed Energy Measurement and monitoring System

Assessment Criteria for a Distributed Energy Measurement and...

引用

IEEE International Conference on Environment and Electrical Engineering

作者： Luigi Martirano Luigi Borghi Franco Bua Loredana Cristaldi Daniele Forni Giulia Frattini Giacomo Grigis Cristina Lavecchia Michele Liziero Luca Mongiovi Emanuele Nastri Enrico Tironi Sapienza University of Rome - DIAEE Didelme Sistemi srl Engineering and Consulting Politecnico di Milano - DEIB Department Fire Energyteam Schneider Electric S.p.A. Fondazione Osservatorio Meteorologico Milano Duomo Onlus Energy and ICT Consultant Ministero Sviluppo Economico

ISBN: (纸本)9781538639184

关键词： distributed monitoring systems SCADA Building Automation

来源：评论

学校读者我要写书评

暂无评论

On-line Reconstruction of Missing Data in Sensor/Actuator Networks by Exploiting Temporal and Spatial Redundancy

On-line Reconstruction of Missing Data in Sensor/Actuator Ne...

引用

International Joint Conference on Neural Networks

作者： Cesare Alippi Giacomo Boracchi Manuel Roveri Politecnico di Milano Dipartimento di Elettronica e Informazione

ISBN: (纸本)9781467314886

关键词： Missing data Non-linear reconstruction Fault accommodation distributed monitoring systems Recurrent neural networks missing data spatial redundancy data flow detection zone TRANSFER FUNCTIONS Spatial Dependency Sensors remote monitoring system Wireless sensor networks Statement

来源：评论

学校读者我要写书评

暂无评论

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案：

请选择收藏分类：

通借通还

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：