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2023 12th Mediterranean Conference on Embedded Computing (MECO)最新文献

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Investigation of Free Space Path Loss Modelfor Microwave Radio Frequency Bands in Backhaul Communication Networks 回程通信网络中微波射频频段自由空间路径损耗模型研究
Pub Date : 2023-06-06 DOI: 10.1109/MECO58584.2023.10154980
A. A. Minhas, Ahmed Qaddus
In the recent times Microwave Radios have been a key technological source for establishing backhaul communication between the Hub Operations Centre to remote entities. Especially in the event of natural catastrophes where backhaul communication has to be established swiftly in less operational interval. Therefore this makes Microwave Radios to be the best adaptive solution to adopt in any natural calamity or manmade tragedy. Further Microwave radios can offer high data rate bandwidth for streaming of voice, video and data applications in Point to Point (PTP) and Point to Multi Point (PTMP) Mode of deployment. Thus which makes microwave radios an appropriate solution for deployment of High Bandwidth consumption applications. Authors in this research have proposed the use of different Microwave Radio Frequency Bands from 1 GHz to 10 GHz and Parabolic Dish antennas as per requirement of the application and scenario of deployment. Microwave net data throughput rates vary at different Radio Frequency Bands, Plus the Free Space Path Loss characteristics, Fade Margin, Receive Signal Strength Indicator (RSSI), Bit Error Rates (BER) and Signal to Noise Ratio (SNR) are also affected with increase and decrease of hop distance length between the transmitting and receiving antennas.
近年来,微波无线电已成为枢纽操作中心与远程实体之间建立回程通信的关键技术来源。特别是在发生自然灾害的情况下,回程通信必须在较短的操作间隔内迅速建立。因此,这使得微波无线电成为在任何自然灾害或人为悲剧中采用的最佳适应性解决方案。此外,微波无线电可以为点对点(PTP)和点对多点(PTMP)部署模式下的语音、视频和数据流应用提供高数据速率带宽。因此,微波无线电成为部署高带宽消耗应用的合适解决方案。本研究作者根据应用需求和部署场景,提出使用1 GHz至10 GHz不同的微波射频频段和抛物面天线。微波网络数据吞出率在不同的射频频段上是不同的,而且自由空间路径损耗特性、衰减裕度、接收信号强度指标(RSSI)、误码率(BER)和信噪比(SNR)也会随着发射和接收天线之间跳距长度的增加和减少而受到影响。
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引用次数: 0
Is ASCON the best choice regarding the Side-channel Analysis? ASCON是侧通道分析的最佳选择吗?
Pub Date : 2023-06-06 DOI: 10.1109/MECO58584.2023.10154974
Matús Oleksák, Vojtech Miskovský
The National Institute of Standards and Technology (NIST) started challenge for the new standard of lightweight encryption to meet the requirements of IoT devices. One of the requirements for the upcoming standard was resistance against side-channel attacks. This year, they chose ASCON as the winner from the final ten. In this work, we present an overview of each finalist and how ASCON stands against the other finalists regarding side-channel attacks resistance in the research to date.
美国国家标准与技术研究院(NIST)开始挑战轻量级加密新标准,以满足物联网设备的要求。即将到来的标准的要求之一是抵抗侧通道攻击。今年,他们选择了ASCON作为最后十强的获胜者。在这项工作中,我们概述了每个入围者,以及ASCON在迄今为止的研究中如何与其他入围者在抗侧信道攻击方面进行比较。
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引用次数: 0
Evaluation of the Medium-sized Neural Network using Approximative Computations on Zynq FPGA 基于Zynq FPGA的中型神经网络近似计算评估
Pub Date : 2023-06-06 DOI: 10.1109/MECO58584.2023.10155065
M. Skrbek, P. Kubalík, Martin Kohlík, Jaroslav Borecký, Robert Hülle
Integrating artificial intelligence technologies into embedded systems requires efficient implementation of neural networks in hardware. The paper presents a Zynq 7020 FPGA implementation and evaluation of a middle-sized dense neural network based on approximate computation by linearly approximated functions. Three famous benchmarks were used for classification accuracy evaluation and hardware testing. We use our highly pipelined neural hardware architecture that takes weights from block RAMs to save logic resources and enables their update from the processing system. The architecture reaches excellent design scalability, allowing us to estimate the number of neurons implemented in programmable logic based on single-neuron resources. We reached nearly full chip utilization while preserving the high clock freuuency for the FPGA used.
将人工智能技术集成到嵌入式系统中需要在硬件上有效地实现神经网络。本文介绍了一种基于线性逼近函数近似计算的中型密集神经网络的FPGA实现和评估。使用三个著名的基准进行分类精度评估和硬件测试。我们使用高度流水线化的神经硬件架构,从块ram中获取权重,以节省逻辑资源,并使其能够从处理系统中更新。该架构具有出色的设计可扩展性,使我们能够估计基于单个神经元资源的可编程逻辑中实现的神经元数量。我们达到了几乎完全的芯片利用率,同时保留了所用FPGA的高时钟频率。
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引用次数: 0
Java Runtime Optimization for Copying Arrays on AArch64 在AArch64上复制数组的Java运行时优化
Pub Date : 2023-06-06 DOI: 10.1109/MECO58584.2023.10155064
Siri Sahithi Ponangi, G. Dueck, K. Kent, Daryl Maier, Kazuhiro Konno
One of the architectures supported by OpenJ9, the AArch64 platform, is widely used in electronic devices because of its reasonable price and resource efficiency. This work adds an optimization in the Just-In-Time (JIT) compiler of OpenJ9 for AArch64, that copies arrays efficiently. The optimizing JIT compiler function, arraycopy Evaluator, separates inlinable code for better performance. Making use of Vector Floating Point registers helps in copying up to 128 bits of any data type in a single load/store instruction. While copying, the situations where primitive values are copied or Garbage Collection checks are required to access the reference fields are handled. We evaluate the results using the BumbleBench Microbenchmarking test framework. We investigate the trace files and utilize the Perf tool to identify the causes of unexpected Benchmark results. We achieve an up to tenfold increase in performance.
OpenJ9支持的体系结构之一AArch64平台由于其合理的价格和资源效率而广泛应用于电子设备。这项工作在针对AArch64的OpenJ9的即时(JIT)编译器中添加了一项优化,可以有效地复制数组。优化JIT编译器函数arraycopy Evaluator将可内联代码分开以获得更好的性能。使用Vector浮点寄存器有助于在单个加载/存储指令中复制多达128位的任何数据类型。在复制时,会处理复制原语值或需要进行垃圾收集检查以访问引用字段的情况。我们使用BumbleBench微基准测试框架评估结果。我们调查跟踪文件并利用Perf工具来确定意外的基准测试结果的原因。我们的性能提高了10倍。
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引用次数: 1
A Generalized Multidimensional Signal Simulation Model in an Active Locator Receiver 主动定位接收机中广义多维信号仿真模型
Pub Date : 2023-06-06 DOI: 10.1109/MECO58584.2023.10154902
A. Sotnikov, Tamara Kim, I. Rozanov
The paper describes a generalized approach to simulation modeling of multidimensional real-time processes of active location. The proposed approach is generalized concerning physical medium of signals propagation, their dimension, wavelength and shape of probing signal. Special attention is paid to optimization of model parameters in order to support its realtime operation. As a result of the research, authors present a simulation model, a description of its algorithmic and software implementation for information control complex based on a PXI standard modular platform.
提出了一种主动定位多维实时过程仿真建模的通用方法。该方法对信号传播的物理介质、探测信号的尺寸、波长和形状进行了推广。特别注意模型参数的优化,以支持其实时运行。在此基础上,提出了基于PXI标准模块化平台的信息控制综合体的仿真模型、算法描述和软件实现。
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引用次数: 0
Software-Based Fault-Detection Technique for Object Tracking in Autonomous Vehicles 基于软件的自动驾驶车辆目标跟踪故障检测技术
Pub Date : 2023-06-06 DOI: 10.1109/MECO58584.2023.10155027
Alessio Medaglini, S. Bartolini, Gianluca Mandò, E. Quiñones, Sara Royuela
Autonomous vehicles are nowadays gaining popularity in many different sectors, from automotive to aviation, and find application in increasingly complex and strategic contexts. In this domain, Obstacle Detection and Avoidance Systems (ODAS) are crucial and, since they are safety-critical systems, they must employ fault-detection and management techniques to maintain correct behavior. One of the most popular techniques to obtain a reliable system is the use of redundancy, both at the hardware and at the software levels. With the objective of improving fault-detection while producing little impact on the programmability of the system, this paper introduces a general and lightweight monitoring technique based on a user-directed observer design pattern, which aims at monitoring the validity of predicates over state variables of the algorithms in execution. This can increase the fault-detection capability and even anticipate the detection time of some faults that would be caught by replication only at later times. Results are evaluated on a real-world use-case from the railway domain, and show how the proposed fault-detection mechanism can increase the overall reliability of the system by up to 24.4% compared to replication alone in case of crowded scenarios over the entire tracking process, and up to 43.9% in specific phases.
如今,自动驾驶汽车在许多不同的领域越来越受欢迎,从汽车到航空,并在日益复杂和战略的环境中得到应用。在这个领域,障碍物检测和避免系统(ODAS)是至关重要的,因为它们是安全关键系统,它们必须采用故障检测和管理技术来保持正确的行为。获得可靠系统的最流行的技术之一是在硬件和软件级别上使用冗余。为了提高故障检测能力,同时对系统的可编程性产生较小的影响,本文介绍了一种基于用户导向观测器设计模式的通用轻量级监控技术,该技术旨在监控算法执行过程中状态变量上谓词的有效性。这可以提高故障检测能力,甚至可以预测一些故障的检测时间,这些故障只有在以后的时间才会被复制捕获。结果在来自铁路领域的真实用例上进行了评估,并显示了所提出的故障检测机制如何在整个跟踪过程中,与单独复制相比,在拥挤的场景下,将系统的整体可靠性提高24.4%,在特定阶段提高43.9%。
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引用次数: 0
Comparison of Bicycle and Treadmill Ergometer Power Based on $dot{mathrm{V}}mathrm{O}_{2}$ and $dot{mathrm{V}}text{CO}_{2}$ 基于$dot{mathrm{V}}mathrm{O}_{2}$和$dot{mathrm{V}}text{CO}_{2}$的自行车和跑步机测力器功率比较
Pub Date : 2023-06-06 DOI: 10.1109/MECO58584.2023.10154935
M. Stork, J. Novak
This contribution describes a method for comparison exercise intensity (workload) based on oxygen consumption $(dot{boldsymbol{V}}boldsymbol{O}_{2})$ and carbon dioxide expenditure $(dot{boldsymbol{V}}boldsymbol{CO}_{mathbf{2}})$ during the bicycle ergometer and treadmill ergometer stress tests. During the stress test, values of heart rate (HR), pulmonary ventilation $(dot{boldsymbol{V}}boldsymbol{E})$, oxygen consumption and carbon dioxide expenditure were continuously measured from the start of the test until exhaustion. The main goal of the study was to find out whether it is possible to compare the size of the load intensity on a treadmill ergometer, where the load is characterized by the running speed and the incline of the treadmill, with the load on a bicycle ergometer, where the load is given in Watts. The results can also be used to possibly derive a mathematical model of the test subject. The derived dependencies were confirmed by a number of measurements.
本文描述了一种比较运动强度(工作量)的方法,该方法基于在自行车计力器和跑步机计力器压力测试期间的氧气消耗$(dot{boldsymbol{V}}boldsymbol{O}_{2}})$和二氧化碳消耗$(dot{boldsymbol{V}}boldsymbol{CO}_{mathbf{2}})$。在压力试验期间,从试验开始至精疲力竭,连续测量心率(HR)、肺通气量$(dot{boldsymbol{V}}boldsymbol{E})$、耗氧量和二氧化碳消耗值。这项研究的主要目的是找出是否有可能比较跑步机测力仪上负荷强度的大小,其中负荷的特征是跑步速度和跑步机的倾斜度,而自行车测力仪上的负荷以瓦特为单位。这些结果也可以用来推导出测试对象的数学模型。衍生的依赖关系通过一系列测量得到了证实。
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引用次数: 0
Using Applied Computing on Embedded Computers to Build Digital Twins in a Fog Computing Environment 应用应用计算在嵌入式计算机上构建雾计算环境下的数字孪生
Pub Date : 2023-06-06 DOI: 10.1109/MECO58584.2023.10154931
N. Zhukova, A. Subbotin
This article describes the construction of digital twins based on flexible threads using applied computing on embedded (technological) computers. An overview of computing on embedded computers is presented. The problem is identified as the need to obtain additional information from sensors for building digital twins. The place of sensory information in event diagnostics is determined. The approach of information collection policies was applied to build digital twins that are described on several levels with detailing on each level. A digital twin of the train and each subway car was built using a template of a typical subway passenger car and a locomotive car. Several levels of digital twins' presentation have been proven effective. The use of fog computing made it possible to increase the speed of building a digital twin of the first level by 3.17 times, the detail representation of subsequent levels by 3.91 times, and the accuracy of determining events by 11.2%. This method can be applied not only to subway cars, but also to suburban trains, high-speed peregrine falcons, allegro, swallows, city trams and other public transport.
本文介绍了在嵌入式(技术)计算机上应用计算构建基于柔性线程的数字孪生。概述了嵌入式计算机上的计算。问题是需要从传感器获取额外的信息来构建数字双胞胎。确定了感官信息在事件诊断中的地位。信息收集策略的方法被应用于构建数字双胞胎,这些数字双胞胎在几个级别上进行描述,每个级别上都有详细信息。列车和每节地铁车厢的数字双胞胎是使用典型地铁客运车厢和机车车厢的模板建造的。数字双胞胎的几个层次的展示已被证明是有效的。雾计算的使用使得构建第一个关卡的数字孪生的速度提高了3.17倍,后续关卡的细节表示提高了3.91倍,确定事件的准确性提高了11.2%。该方法不仅适用于地铁车厢,还适用于城郊列车、高速游隼、快板、燕子、城市电车等公共交通工具。
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引用次数: 1
World Happiness Dataset: An Exploration of Advanced Data Analysis and Visualization Tools and Techniques 世界幸福数据集:探索先进的数据分析和可视化工具和技术
Pub Date : 2023-06-06 DOI: 10.1109/MECO58584.2023.10154957
Edona Krasniqi, Dhuratë Hyseni
The World Happiness Report has gained considerable interest in recent years, as policymakers and researchers seek to better understand the determinants of happiness and well-being. This study aims to analyze the application areas and significance of data science techniques and tools. The main focus of the paper is to demonstrate how data visualization enables a more profound comprehension of data in a significant and meaningful manner. Design/methodology/approach - For this study, the World Happiness dataset has been selected as it is a comprehensive dataset that possesses unique characteristics, making it a suitable dataset for analysis. It includes data from over 150 countries, providing a broad picture of global happiness levels. To enhance the visibility of the data, Looker Studio is utilized, while Gephi is used to visualize the relationships between factors that impact world happiness.
近年来,随着政策制定者和研究人员试图更好地了解幸福和幸福的决定因素,《世界幸福报告》获得了相当大的兴趣。本研究旨在分析数据科学技术和工具的应用领域和意义。本文的主要重点是展示数据可视化如何能够以一种重要和有意义的方式对数据进行更深刻的理解。设计/方法/方法-在本研究中,选择了世界幸福数据集,因为它是一个具有独特特征的综合数据集,使其成为适合分析的数据集。它包括来自150多个国家的数据,提供了全球幸福水平的广泛图景。为了增强数据的可见性,使用了Looker Studio,而使用Gephi来可视化影响世界幸福的因素之间的关系。
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引用次数: 0
Decentralized group authentication with membership verification in islanded smart grids 孤岛智能电网中带成员验证的去中心化组认证
Pub Date : 2023-06-06 DOI: 10.1109/MECO58584.2023.10155090
Wilson Daubry, J. Dricot, P. Henneaux
Smart grids have a growing role in today's society. Therefore, it is crucial to ensure their proper functioning at all time. While research already investigated the islanding of the electrical side of the smart grids, we look at this problem from a network security perspective, this network being very decentralized and highly communicant. To prevent the loss communication and a possible blackout of the sub-grid through islanding, we used a combination of the group authentication protocol and the lightweight verifiable secret sharing to propose an alternative authentication method. This method allows the different nodes to build trust as well as to identify and exclude malicious nodes trying to either join or prevent the group authentication. We also discuss the main security properties of our protocol and its limitations.
智能电网在当今社会中扮演着越来越重要的角色。因此,始终确保它们的正常运行至关重要。虽然研究已经调查了智能电网的电气方面的孤岛,但我们从网络安全的角度来看这个问题,这个网络是非常分散和高度通信的。为了防止通信丢失和可能因孤岛而导致的子电网停电,我们将组认证协议与轻量级可验证秘密共享相结合,提出了一种替代认证方法。此方法允许不同节点建立信任,并识别和排除试图加入或阻止组身份验证的恶意节点。我们还讨论了协议的主要安全特性及其局限性。
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引用次数: 0
期刊
2023 12th Mediterranean Conference on Embedded Computing (MECO)
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