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2018 10th International Congress on Ultra Modern Telecommunications and Control Systems and Workshops (ICUMT)最新文献

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On the Distribution of the Stationary Point of Significance Level for Empirical Distribution Function 关于经验分布函数的显著性平稳点的分布
A. Kislitsyn, Y. Orlov, D. Moltchanov, Andrey K. Samuylov, A. Chukarin, Yulia Gaidamaka
We consider empirical distribution functions of nonstationary time-series, depending on set length. The local self- consistent significance level is introduced. The class of time- series, for which the distribution function of significance level is stationary, is considered. For example, the signal-to-interference ratio for random walking subscribers in D2D model of wireless connection belongs to this class of random processes. We introduce also the so-called Chernoff equivalence of the self-consistent significance level and derive the formula of averaging levels for various sets.
我们考虑非平稳时间序列的经验分布函数,它依赖于集合长度。引入了局部自洽显著性水平。考虑了显著性水平分布函数为平稳的一类时间序列。例如,无线连接的D2D模型中随机行走用户的信干扰比就属于这类随机过程。我们还引入了所谓的自洽显著性水平的Chernoff等价,并推导了各集合的平均水平公式。
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引用次数: 0
MLSB optimal effective weighted container construction for WF5 embedding algorithm MLSB最优有效加权集装箱构造WF5嵌入算法
N. Voloshina, T. Minaeva, S. Bezzateev
This paper proposes a multilevel digital watermarking method (WF5) research concentrated on weighted container structure. The primary goal of the research is to find the way how to construct an optimal, efficient weighted container to make an embedding errors invisible. Two types of effective weighted container structures were investigated for color digital images: One Pixel-One Codeword (OP-OC) and One Pixel-Two Codeword (OP-TC) constructions. For both approaches, efficient weighted container structures (masks) that correspond with the Human Vision System (HVS) model were developed, and efficiency of WF5 Multi-Level Significant Bit (MLSB) information embedding algorithms were investigated for different types of digital images.
本文提出了一种针对加权集装箱结构的多级数字水印方法(WF5)。研究的主要目标是寻找如何构造一个最优的、有效的加权容器,使嵌入误差不可见。研究了彩色数字图像的两种有效加权容器结构:一像素-一码字(OP-OC)和一像素-二码字(OP-TC)结构。针对这两种方法,开发了与人类视觉系统(HVS)模型相对应的有效加权容器结构(掩模),并研究了WF5多层次有效位(MLSB)信息嵌入算法在不同类型数字图像中的效率。
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引用次数: 2
Pseudo-Differential Filter Operating in Current Mode 伪差分滤波器在电流模式下工作
Ondrej Sladok, Ladislav Velic, J. Koton, N. Herencsar
In the paper, the theory of pseudo-differential filters is examined and supported by designing a fourth-order frequency filter operating in current mode and implemented as cascade connection of two basic second-order blocks. The basic block employs three current conveyors as active elements and four passive elements. The filter is characterized by a high output impedance, and minimum number of passive elements, whereas capacitors are grounded. To prove the operability of the final filter, the partial second-order pseudo-differential filters were interconnected in four different ways. The simulation results of the each interconnection prove proper behavior of pseudo-differential filters in analogue signal processing.
本文通过设计一个工作在电流模式下的四阶频率滤波器来检验和支持伪差分滤波器的理论,并将其实现为两个基本二阶模块的级联连接。基本块采用三个电流输送机作为有源元件和四个无源元件。该滤波器的特点是输出阻抗高,无源元件数量少,而电容器接地。为了证明最终滤波器的可操作性,将部分二阶伪微分滤波器以四种不同的方式互连。各互连的仿真结果证明了伪差分滤波器在模拟信号处理中的良好性能。
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引用次数: 1
Synthesis of Artificial Network Based Flight Controller Using Genetic Algorithms 基于遗传算法的人工网络飞行控制器综合
Sergei Andropov, A. Guirik, M. Budko, M. Budko, A. Bobtsov
Quadcopters are versatile unmanned aerial vehicles that operate in a variety of environments. In this paper we present the results of creating aflight controller for quadcopters based on an artificial neural network trained with genetic algorithms. The controller learns to stabilize a model of the craft and finds an optimal solution based on the custom scoring function. Experiments show better performance compared to manually tuned PID controllers, as well as faster convergence compared to traditional backpropagation learning methods.
四轴飞行器是一种多用途的无人驾驶飞行器,可以在各种环境中运行。本文介绍了一种基于遗传算法训练的人工神经网络的四轴飞行器飞行控制器的创建结果。控制器学习稳定飞行器的模型,并根据自定义评分函数找到最优解。实验结果表明,该方法比手动调谐PID控制器性能更好,比传统的反向传播学习方法收敛速度更快。
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引用次数: 1
Synthesis and Analysis of Multidimensional Mathematical Models of Population Dynamics 人口动态多维数学模型的综合与分析
A. V. Demidova, O. Druzhinina, M. Jaćimović, O. Masina, N. Mijajlović
The designing of multidimensional models of population dynamics taking into account the relations of competition and mutualism is described. The model examples in three-dimensional and four-dimensional cases are considered, qualitative and numerical investigation of deterministic models is carried out. The deterministic description of each model is given by the system of ordinary nonlinear differential equations. The transition to the corresponding multidimensional nondeterministic models defined by differential inclusions, fuzzy and stochastic differential equations is made, and stability analysis is performed. Synthesis of the stochastic models “competitor-competitor-mutualist” and “competitor-mutualist-competitor-mutualist” is carried out. The structure of multidimensional stochastic models with competition and mutualism is described, Fokker-Planck equations are written, the rules of the transition to stochastic multidimensional differential equations in the Langevin form are formulated. The comparative analysis of deterministic and stochastic models is carried out. The numerical experiment for the studied models has been carried out with the help of the developed software package for the numerical solution of the differential equations systems by Runge-Kutta stochastic methods. Algorithms for generating trajectories of the Wiener process and multipoint distributions and numerical algorithms of Runge-Kutta stochastic method are used. The numerical experiment in a number of cases showed a significant proximity of stochastic and deterministic dynamic models trajectories. The conditions under which the introduction of stochastics influences poorly the stability of the system and it is possible to consider its deterministic approach for the system studying.
描述了考虑竞争与共生关系的多维种群动态模型的设计。考虑了三维和四维情况下的模型实例,对确定性模型进行了定性和数值研究。用常非线性微分方程组给出了各模型的确定性描述。将其转换为由微分包体、模糊和随机微分方程定义的多维不确定性模型,并进行稳定性分析。综合了“竞争对手-竞争对手-互惠主义者”和“竞争对手-互惠主义者-竞争对手-互惠主义者”的随机模型。描述了具有竞争和互惠的多维随机模型的结构,写出了Fokker-Planck方程,给出了向Langevin形式的随机多维微分方程过渡的规则。对确定性模型和随机模型进行了对比分析。利用开发的龙格-库塔随机方法微分方程组数值解软件包,对所研究的模型进行了数值实验。采用了维纳过程轨迹生成算法和多点分布算法以及龙格-库塔随机方法的数值算法。在许多情况下的数值实验表明,随机和确定性动力学模型的轨迹显著接近。在这种情况下,随机因素的引入对系统的稳定性影响很小,因此可以考虑用确定性方法来研究系统。
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引用次数: 2
Method of Assigning Spreading Factor to Improve the Scalability of the LoRaWan Wide Area Network 提高LoRaWan广域网可扩展性的扩频系数分配方法
Aleksandra Tiurlikova, N. Stepanov, Konstantin Mikhaylov
In modern world Low Power Wide Area Network (LPWAN) technologies have become the key enabler for a sheer diversity of the Internet of Things (IoT) applications involving massive deployment of resource-limited devices. In this paper we address the problem of improving the network scalability for one of the most widely used today licensee-free-band LPWAN technologies, named LoRaWAN. We show that the conventional method for assigning the spreading factor (SF) parameter to the devices in a LoRaWAN network, which effectively minimizes the consumption of individual devices, has some drawbacks when this comes to the scalability of the network as whole. Therefore, in this paper we propose another method of assigning the SFs to the nodes, which improves the probability of data delivery in an LPWAN at a cost of minor increase of the devices' consumption. The results of the conducted simulations confirm and characterize the utility of the proposed method.
在现代世界,低功耗广域网(LPWAN)技术已成为涉及资源有限设备大规模部署的物联网(IoT)应用的多样性的关键推动者。在本文中,我们解决了提高当今最广泛使用的无许可频段LPWAN技术之一的网络可扩展性的问题,称为LoRaWAN。我们表明,为LoRaWAN网络中的设备分配扩展因子(SF)参数的传统方法有效地减少了单个设备的消耗,但在整个网络的可扩展性方面存在一些缺点。因此,在本文中,我们提出了另一种将SFs分配给节点的方法,该方法以小幅增加设备消耗为代价,提高了LPWAN中数据传输的概率。仿真结果证实了所提方法的有效性。
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引用次数: 19
Effective Schrodinger equation for one-dimensional systems with rapidly oscillating boundary conditions 具有快速振荡边界条件的一维系统的有效薛定谔方程
N. Tretyakov, P. Golosov, A. Kochanov
The method of the effective Schrodinger equation applied to the one-dimensional problem of a moving particle in a potential box with a potential function and high-frequency time-dependent boundary conditions is investigated. The method of converting the initial equation written for a system with time-dependent boundary conditions to an equation describing a system in a constant region is briefly presented. The resulting system can be considered as a particle in a potential box, located in the field of some effective potential, different from the initial one. Next we consider a particular case of wall motion, with the subsequent construction of the effective Schrodinger equation. Rapid oscillations of the potential box as a whole (i.e., without changing its width) lead to an additional term in the effective equation proportional to the second derivative of the potential. This, in particular, can lead to the formation of potential wells at potential peaks in which bound states of a particle are possible. In the considered case, it was assumed that the oscillation amplitudes are small in comparison with the characteristic dimensions of the system.
研究了具有势函数和高频时变边界条件的一维势盒中运动粒子的有效薛定谔方程的求解方法。简要介绍了将具有时变边界条件的系统的初始方程转化为描述恒定区域内系统的方程的方法。所得到的系统可以看作是势盒中的一个粒子,它位于某个不同于初始有效势的场中。接下来我们考虑壁面运动的一个特殊情况,并随后构造有效薛定谔方程。势盒作为一个整体的快速振荡(即在不改变其宽度的情况下)导致在有效方程中增加一个与势的二阶导数成正比的附加项。特别是,这可以导致在势峰处形成势阱,其中粒子的束缚态是可能的。在所考虑的情况下,假设振荡幅度与系统的特征尺寸相比很小。
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引用次数: 1
Combating Counterfeit for IoT System Based on DOA 基于DOA的物联网系统防伪
M. Al-Bahri, R. Kirichek, Abdelhamied A. Ateya, A. Muthanna, A. Borodin
There is no doubt that the IoT is a big revolution that has a great impact on our life. IoT provides the communication network for connecting physical objects (i.e. sensors and embedded systems). With the massive increase of IoT devices and the very high society impacts of the IoT including the wide range of applications predicted, the anti counterfeiting becomes an important issue. In this work, we mainly focus on this issue. DOA is a global system that enables the generation of digital objects with unique identifiers. Using DOA, we can identify any information and store it using a unique global identifier. We provide a framework for enabling and facilitating the use of DOA in IoT for anti counterfeiting. The system provides a unique identifier for each IoT device and enables the end user to check the device information and specifications through the identifi Moreover, the identifier can be used to identify the device the network. The user can extract the identifier of the device using a proper technology interface.
毫无疑问,物联网是一场巨大的革命,对我们的生活产生了巨大的影响。物联网为连接物理对象(即传感器和嵌入式系统)提供通信网络。随着物联网设备的大量增加以及物联网对社会的巨大影响,包括预测的广泛应用,防伪成为一个重要问题。在这项工作中,我们主要关注这个问题。DOA是一个全局系统,可以生成具有唯一标识符的数字对象。使用DOA,我们可以识别任何信息,并使用唯一的全局标识符存储它。我们提供了一个框架,用于支持和促进在物联网中使用DOA来防伪。系统为每台物联网设备提供唯一的标识,终端用户可以通过标识查看设备信息和规格,并可用于识别网络中的设备。用户可以使用适当的技术接口提取设备的标识符。
{"title":"Combating Counterfeit for IoT System Based on DOA","authors":"M. Al-Bahri, R. Kirichek, Abdelhamied A. Ateya, A. Muthanna, A. Borodin","doi":"10.1109/ICUMT.2018.8631257","DOIUrl":"https://doi.org/10.1109/ICUMT.2018.8631257","url":null,"abstract":"There is no doubt that the IoT is a big revolution that has a great impact on our life. IoT provides the communication network for connecting physical objects (i.e. sensors and embedded systems). With the massive increase of IoT devices and the very high society impacts of the IoT including the wide range of applications predicted, the anti counterfeiting becomes an important issue. In this work, we mainly focus on this issue. DOA is a global system that enables the generation of digital objects with unique identifiers. Using DOA, we can identify any information and store it using a unique global identifier. We provide a framework for enabling and facilitating the use of DOA in IoT for anti counterfeiting. The system provides a unique identifier for each IoT device and enables the end user to check the device information and specifications through the identifi Moreover, the identifier can be used to identify the device the network. The user can extract the identifier of the device using a proper technology interface.","PeriodicalId":211042,"journal":{"name":"2018 10th International Congress on Ultra Modern Telecommunications and Control Systems and Workshops (ICUMT)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124005171","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: 14
Bitcoin Trust Communities 比特币信任社区
Magdalena Punceva, Haute Ecole Arc, N. Marina
Cryptocurrency exchange platforms, which have appeared recently, provide exchanges between different types of cryptocurrencies as well as fiat money. Since multiple exchange platforms exist today, it is of essential importance to have timely information about user experience and the behavior of participants in such platforms. Trust is a notion that has been studied extensively in sociology, psychology, economics and compuer science, with an objective to provide measures for quantifying user behavior in specific social settings and contexts. While in the domain of online social networks, the trust has been thoroughly analyzed from various points of view, in cryptocurrency exchange platforms, the questions about quantifying the levels of emerging trust, are still open. In this work, we elaborate on quantifying trust in the context of cryptocurrency exchange platforms. We focus on two well known bitcoin exchange platforms: Bitcoin-OTC and Bitcoin-Alpha. Using the existing data about user ratings upon interactions in these two platforms, we show how trust is related with the network structure and how to identify communities where trust level is high among participants. Our results can serve as a basis for a strategy on how to interact within these platforms.
最近出现的加密货币交换平台提供不同类型的加密货币和法定货币之间的交换。由于目前存在多个交换平台,因此及时掌握这些平台中用户体验和参与者行为的信息至关重要。信任是一个在社会学、心理学、经济学和计算机科学中被广泛研究的概念,其目的是提供在特定社会环境和背景下量化用户行为的措施。虽然在在线社交网络领域,信任已经从各个角度进行了彻底的分析,但在加密货币交易平台中,关于量化新兴信任水平的问题仍然是开放的。在这项工作中,我们详细阐述了在加密货币交换平台的背景下量化信任。我们专注于两个知名的比特币交易平台:bitcoin - otc和bitcoin - alpha。利用这两个平台上用户互动评分的现有数据,我们展示了信任如何与网络结构相关,以及如何识别参与者之间信任水平高的社区。我们的研究结果可以作为如何在这些平台上互动的策略的基础。
{"title":"Bitcoin Trust Communities","authors":"Magdalena Punceva, Haute Ecole Arc, N. Marina","doi":"10.1109/ICUMT.2018.8631251","DOIUrl":"https://doi.org/10.1109/ICUMT.2018.8631251","url":null,"abstract":"Cryptocurrency exchange platforms, which have appeared recently, provide exchanges between different types of cryptocurrencies as well as fiat money. Since multiple exchange platforms exist today, it is of essential importance to have timely information about user experience and the behavior of participants in such platforms. Trust is a notion that has been studied extensively in sociology, psychology, economics and compuer science, with an objective to provide measures for quantifying user behavior in specific social settings and contexts. While in the domain of online social networks, the trust has been thoroughly analyzed from various points of view, in cryptocurrency exchange platforms, the questions about quantifying the levels of emerging trust, are still open. In this work, we elaborate on quantifying trust in the context of cryptocurrency exchange platforms. We focus on two well known bitcoin exchange platforms: Bitcoin-OTC and Bitcoin-Alpha. Using the existing data about user ratings upon interactions in these two platforms, we show how trust is related with the network structure and how to identify communities where trust level is high among participants. Our results can serve as a basis for a strategy on how to interact within these platforms.","PeriodicalId":211042,"journal":{"name":"2018 10th International Congress on Ultra Modern Telecommunications and Control Systems and Workshops (ICUMT)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125932028","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
Investigation of Power Line Communication and Wi-Fi Co-existence in Smart Home 智能家居中电力线通信与Wi-Fi共存的研究
R. Fujdiak, J. Slacik, M. Orgon, P. Mlynek, J. Misurec, J. Hallon, J. Halgos
BPL (Broadband Power Line) adapters with Wi-Fi outputs are an appropriate way to implement access network in a home or office, especially in areas where wireless router signal does not reach. The TP-LINK TL-WPA8630P is a set of BPL adapters that allows the bandwidth to operate up to 1200 Mbps. These adapters are based on HomePlug AV2 specification. The first part of measurements focuses on throughput and comparison with Wi-Fi standards. The second part describes the results of radiated emissions measurement. The reason for the measurements is the proof of a suitable and usability of the BPL-based systems for alternative access network for Wi-Fi network.
带Wi-Fi输出的BPL(宽带电源线)适配器是实现家庭或办公室接入网的合适方式,特别是在无线路由器信号无法到达的区域。TP-LINK TL-WPA8630P是一组BPL适配器,允许带宽运行高达1200 Mbps。这些适配器基于HomePlug AV2规范。测量的第一部分侧重于吞吐量和与Wi-Fi标准的比较。第二部分描述了辐射发射测量的结果。测量的原因是为了证明基于bpl的系统对于Wi-Fi网络的替代接入网络的适用性和可用性。
{"title":"Investigation of Power Line Communication and Wi-Fi Co-existence in Smart Home","authors":"R. Fujdiak, J. Slacik, M. Orgon, P. Mlynek, J. Misurec, J. Hallon, J. Halgos","doi":"10.1109/ICUMT.2018.8631197","DOIUrl":"https://doi.org/10.1109/ICUMT.2018.8631197","url":null,"abstract":"BPL (Broadband Power Line) adapters with Wi-Fi outputs are an appropriate way to implement access network in a home or office, especially in areas where wireless router signal does not reach. The TP-LINK TL-WPA8630P is a set of BPL adapters that allows the bandwidth to operate up to 1200 Mbps. These adapters are based on HomePlug AV2 specification. The first part of measurements focuses on throughput and comparison with Wi-Fi standards. The second part describes the results of radiated emissions measurement. The reason for the measurements is the proof of a suitable and usability of the BPL-based systems for alternative access network for Wi-Fi network.","PeriodicalId":211042,"journal":{"name":"2018 10th International Congress on Ultra Modern Telecommunications and Control Systems and Workshops (ICUMT)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128598783","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: 6
期刊
2018 10th International Congress on Ultra Modern Telecommunications and Control Systems and Workshops (ICUMT)
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