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Energy-Efficient spatial modulation in wireless sensor networks

Energy-Efficient spatial modulation in wireless sensor netwo...

引用

2022 international conference on Communication, computing and Internet of Things, IC3IoT 2022

作者： Kanthimathi, M. Surya, S. Usha, S. Vaithiyanathan, D. Sri Sairam Engineering College Department of Ece Chennai India National Institute of Technology Department of Electronics and Communication Delhi India

ISBN: (纸本)9781665479950

Spatial modulation (SM) is a promising technique for 5G systems as it guarantees good data rate at reduced complexity. Increased data rate and increased energy efficiency is possible with spatial modulation due to the fact that information is transmitted in the indices of the transmit antenna and also on the constellation symbol. Cooperative Multiple-Input-Multiple-Output (MIMO) technique based on spatial modulation is proposed to reduce the interchannel interference and synchronization problems among transmit nodes and achieve high multiplexing gain in Wireless sensor Networks (WSNs). A cooperative MIMO framework is formed by considering spatially distributed nodes each with a single antenna employing spatial modulation for improving the energy efficiency of WSN. In the proposed technique the theoretical Pairwise error probability (PEP) is derived from the minimum Euclidean distance between the transmitted symbols. The Bit error rate (BER) performance and energy consumption per bit of the proposed technique is presented and compared with the performance of Spatial Modulation (SM)technique. © 2022 ieee.

关键词： Bit error rate

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Towards Industry 5.0 and Digital Circular Economy: Current Research and Application Trends

Towards Industry 5.0 and Digital Circular Economy: Current R...

引用

international conference on distributed computing in sensor systems (dcoss)

作者： Konstantinos Voulgaridis Thomas Lagkas Panagiotis Sarigiannidis Department of Computer Science International Hellenic University Greece Department of Electrical and Computer Engineering University of Western Macedonia Kozani Greece

ISBN: (数字)9781665495127

ISBN: (纸本)9781665495134

Digital Circular Economy and Industry 5.0 have been two significant research attractions in the last years, due to the evolution of their predecessors into advanced technologies. Circular Economy (CE) has progressed into a sustainable digital approach, capable to be implemented into different scenarios. Industry 5.0 has turned from a fully automated application field into a balanced technological combination of A.I. and M.L. with the involvement of human factor, and promising enabler of Digital CE. As a result, a growing number of Digital CE models are introduced into the academic community. In this work, we collect and examine the latest research and application trends of Digital CE models, by studying their sustainable features, requirements, applications, and architectures.

关键词： Industries Adaptive systems Biological system modeling Computational modeling Human factors Computer architecture Market research

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SELF-CARE: Selective Fusion with Context-Aware Low-Power Edge computing for Stress Detection

SELF-CARE: Selective Fusion with Context-Aware Low-Power Edg...

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international conference on distributed computing in sensor systems (dcoss)

作者： Nafiul Rashid Trier Mortlock Mohammad Abdullah Al Faruque Department of Electrical Engineering and Computer Science University of California Irvine California United States Department of Mechanical and Aerospace Engineering University of California Irvine California United States

ISBN: (数字)9781665495127

ISBN: (纸本)9781665495134

Detecting human stress levels and emotional states with physiological body-worn sensors is a complex task, but one with many health-related benefits. Robustness to sensor measurement noise and energy efficiency of low-power devices remain key challenges in stress detection. We propose SELF-CARE, a fully wrist-based method for stress detection that employs context-aware selective sensor fusion that dynamically adapts based on data from the sensors. Our method uses motion to determine the context of the system and learns to adjust the fused sensors accordingly, improving performance while maintaining energy efficiency. SELF-CARE obtains state-of-the-art performance across the publicly available WESAD dataset, achieving 86.34% and 94.12% accuracy for the 3-class and 2-class classification problems, respectively. Evaluation on real hardware shows that our approach achieves up to 2.2× (3-class) and 2.7× (2-class) energy efficiency compared to traditional sensor fusion.

关键词： Anxiety disorders sensor fusion Energy efficiency sensor systems Robustness Physiology sensors

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(POSTER) SmartTwins: Secure and Auditable DLT-based Digital Twins for the WoT

(POSTER) SmartTwins: Secure and Auditable DLT-based Digital ...

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international conference on distributed computing in sensor systems (dcoss)

作者： Iakovos Pittaras George C. Polyzos Department of Informatics School of Information Sciences and Technology Mobile Multimedia Laboratory Athens University of Economics and Business Greece

ISBN: (数字)9781665495127

ISBN: (纸本)9781665495134

Digital Twins and the Internet of Things (IoT) are two of the most prominent recent concepts and technologies. The IoT supports many applications that merge the physical with the cyber world. This highlights the need for improved security. Here, we argue that digital twins can help in securing and strengthening the IoT by using them for interacting with the actual IoT devices. While most digital twins implementations are centralized, we propose to integrate distributed Ledger Technologies (DLTs) and digital twins into the IoT to realize decentralized, secure, available, flexible, and auditable blockchain-based IoT services for IoT devices that follow the W3C Web of Things (WoT) standards. In this work, we present the design of SmartTwin, a blockchain-based digital twin framework for which we provide two different implementations using two different blockchains, we present the design trade-offs, and we discuss future research and development directions.

关键词： distributed ledger W3C sensor systems Digital twins Blockchains Internet of Things Security

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Divide, Conquer and Merge for Internet-of-Things

Divide, Conquer and Merge for Internet-of-Things

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international conference on distributed computing in sensor systems (dcoss)

作者： Jagnyashini Debadarshini Sudipta Saha IIT Bhubaneswar

ISBN: (数字)9781665495127

ISBN: (纸本)9781665495134

Divide, Conquer and Merge (DCM) is a well-known algorithmic paradigm. It has been used to solve both core problems as well as to address the scalability issue in other algorithms. It is widely used in networks or distributed computation to solve the scalability problem arising due to highly dense and wide structures. However, from the implementation point of view, all these application of DCM were designed considering the traditional Asynchronous-Transmission (AT) based communication technologies. In this work, we study the application of DCM in the context of Synchronous-Transmission (ST) which bears fundamentally different dynamics compared to the AT. Specifically, we study the application of DCM over an existing state-of-the-art ST-based strategy MiniCast and demonstrate the performance gain in calculation of aggregation. Our work, shows that applying DCM on MiniCast makes MiniCast based aggregation mechanism upto six times faster and make it consume upto five times lesser energy compared to the case when DCM is not applied.

关键词： Protocols Scalability Computational modeling Performance gain sensor systems Data models Communications technology

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Simulation of distributed systems in Constrained Environments Using ESDS: the Arctic Tundra Case

Simulation of Distributed Systems in Constrained Environment...

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ieee/ACM Int'l conference on & Int'l conference on Cyber, Physical and Social computing (CPSCom) Green computing and Communications (GreenCom)

作者： Loic Guegan Issam Raïs Department of Computer Science UiT The Arctic University of Norway Tromso Norway

Studying distributed systems (DS) is important. They are used in many computer systems such as Internet of Things (IoT), Wireless sensor Networks (WSN), Cyber-Physical systems (CPS). Conducting research studies on DS is possible with simulation. However, depending on the research context, having access to the proper simulator is challenging. Existing simulation frameworks can be complex and not suitable to study DS outside of commonly seen contexts, such as systems deployed in constrained environments. Often, authors from state of the art rely on building their own simulator. This is a time consuming, delicate and dangerous approach, especially when such simulators are not *** paper presents the Extensible Simulator for distributed systems (ESDS) in the context of systems deployed in constrained environments. In our case, the Arctic Tundra. This simulation framework is simple to use and suitable for the study of DS. The architecture of the simulation framework is detailed at a fine grain level. Results show that, ESDS can be used to conduct energy consumption and network performance studies of distributed systems such as CPS.

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(POSTER) A Software-Defined Underwater Visible Light Communication Testbed

(POSTER) A Software-Defined Underwater Visible Light Communi...

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international conference on distributed computing in sensor systems (dcoss)

作者： Clifford O. Boakye-Mensah Dontez V. Vann Javionn J. Ramsey Hongzhi Guo Engineering Department Norfolk State University Norfolk USA

ISBN: (数字)9781665495127

ISBN: (纸本)9781665495134

Underwater Visible Light Communication (VLC) uses lasers or LEDs can be used for wireless sensor networks and robotic networks. Compared with underwater acoustic communication and radio frequency communication, VLC has its unique advantages in high data rates and low latency. In this paper, a fully reconfigurable low-cost VLC testbed is designed for underwater communication. The testbed uses a green laser as the transmitter. USRP is utilized to collect the received signals, which are processed in MATLAB. A demodulation algorithm is designed and Bit-Error-Rate (BER) is measured under various conditions. The results indicate that reliable communication can be achieved in the absence of some high-cost elements from typical VLC testbeds. The communication system provides an average BER of 5.5×10 −3 with a data rate of 4 Mbps.

关键词： Wireless sensor networks Underwater communication Lasers Radio transmitters Measurement by laser beam Robot sensing systems sensor systems

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IoT Benefits for Livestock Farmers

IoT Benefits for Livestock Farmers

引用

international conference on distributed computing in sensor systems (dcoss)

作者： Tim Bell Todd Steinbrueck Roger D. Chamberlain Brian Rieck BECS Technology Inc. St. Louis MO USA BECS Technology Inc. Washington Univ. in St. Louis St. Louis MO USA AGCO Corporation Assumption IL USA

ISBN: (数字)9781665495127

ISBN: (纸本)9781665495134

The promise of benefit from instrumentation on the farm is substantial. However, simply connecting existing equipment to the network is not sufficient to achieve these benefits, as the resulting system is vulnerable to a multitude of reliability and security issues. We describe an approach to instrumenting livestock barns, describing some of the innovations that enable cost-efficiency, which explicitly requires paying attention to the integration of new instrumentation with existing equipment. We then articulate a range of benefits that accrue, both to the livestock and to the farmer. The result is a comprehensive understanding of barn operations, yielding many of the benefits one aspires to with IoT on the farm.

关键词： Technological innovation Instruments Agriculture sensor systems Internet of Things Security Reliability

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Grace: Low-Cost Time-Synchronized GPIO Tracing for IoT Testbeds

Grace: Low-Cost Time-Synchronized GPIO Tracing for IoT Testb...

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international conference on distributed computing in sensor systems (dcoss)

作者： Oliver Harms Christian Richter Olaf Landsiedel Kiel University Germany Chalmers University of Technology Sweden

ISBN: (数字)9781665495127

ISBN: (纸本)9781665495134

Testbeds have become a vital tool for evaluating and benchmarking applications and algorithms in the Internet of Things (IoT). Testbeds commonly consist of low-power IoT de-vices augmented with observer nodes providing control, logging, and often also power-profiling. Today, the research community operates numerous testbeds, sometimes with hundreds of IoT nodes, to allow for detailed and large-scale evaluation. Most testbeds, however, lack opportunities for tracing distributed program execution with high accuracy in time, for example, via minimally invasive, distributed GPIO tracing. And the ones that do, like Flocklab, are built from custom hardware, which is often too complex, inflexible, or expensive to use for other research *** paper closes this gap and introduces Grace, a low-cost, retrofittable, distributed, and time-synchronized GPIO tracing system built from off-the-shelf components, costing less than €20 per node. Grace extends observer nodes in a testbed with (1) time-synchronization via wireless sub-GHz transceivers and (2) logic analyzers for GPIO tracing and logging, enabling time-synchronized GPIO tracing at a frequency of up to 8 MHz. We deploy Grace in a testbed and show that it achieves an average time synchronization error between nodes of 1.53 μs.

关键词： Wireless communication Wireless sensor networks Time-frequency analysis Protocols Observers Transceivers sensor systems

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Smart Transducers and Network Infrastructures for Industry 4.0

Smart Transducers and Network Infrastructures for Industry 4...

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ieee international conference on Research, Innovation and Vision for the Future

作者： Vincenzo Paciello Dep. of Industrial Engineering University of Salerno Fisciano Italy

ISBN: (数字)9798331505073

ISBN: (纸本)9798331505080

Smart transducers and network infrastructures are pillars of the IoT. Transducers play a fundamental role in providing measurements to monitoring and control chains in industry. Industry 4.0 specifications require that measurement information be always available for the application layer whatever be the source and the physical channel. ieee 1451 is a family of standards edited with the aim of introducing the plug and play approach in the field of distributed measurement systems and wireless sensor networks. At first, a brief summary of the ieee 1451 introduces fundamental concepts like Transducer Interface Data Sheet (TEDS), Network Capable Application Processor (NCAP) and Transducer Interface Module (TIM). Then, a sight to the ieee 21451.001 allows a novel approach to edge computing to be described. Finally, some examples of application of this new approach to typical digital signal processing problems are reported in the paper.

关键词： Wireless sensor networks Transducers Software algorithms Signal processing algorithms Edge AI Vectors Software Fourth Industrial Revolution Standards Intelligent sensors

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