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2021 International Conference on Computer, Information and Telecommunication Systems (CITS)最新文献

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NFA Based Regular Expression Matching on FPGA 基于NFA的FPGA正则表达式匹配
Kamil Sert, C. F. Bazlamaçci
String matching is about finding all occurrences of a string within a given text. String matching algorithms have important roles in various real world areas such as web and security applications. In this work, we are interested in solving regular expression matching hence a more general form of string matching problem targeting especially the field of network intrusion detection systems (NIDS). In our work, we enhance a non-deterministic finite automata (NFA) based method on FPGA considerably. We propose to use a matching structure that processes two consecutive characters instead of one in order to yield better memory utilization and provide a novel mapping of this new architecture onto FPGA. The amount of digital circuitry needed to represent the NFA is reduced due to having less number of states and less number of LUTs in the devised 2-character regex matching process. An evaluation study is performed using the well-known Snort rule set and a sizable performance improvement is demonstrated.
字符串匹配是关于在给定文本中查找字符串的所有出现。字符串匹配算法在web和安全应用程序等各种现实世界领域中发挥着重要作用。在这项工作中,我们感兴趣的是解决正则表达式匹配,因此更一般形式的字符串匹配问题,特别是针对网络入侵检测系统(NIDS)领域。在我们的工作中,我们大大增强了基于FPGA的非确定性有限自动机(NFA)方法。我们建议使用一种匹配结构来处理两个连续字符而不是一个字符,以产生更好的内存利用率,并提供这种新架构到FPGA的新颖映射。由于在设计的2字符正则表达式匹配过程中具有较少的状态数量和较少的lut数量,因此表示NFA所需的数字电路的数量减少了。使用著名的Snort规则集执行评估研究,并演示了相当大的性能改进。
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引用次数: 2
Location based Routing in Opportunistic Networks using Cascade Learning 利用级联学习的机会网络中基于位置的路由
Jagdeep Singh, M. Obaidat, S. K. Dhurandher
As a key enabling technology for pervasive computing, Opportunity Network has recently attracted a great deal of research work in machine learning domain. In this paper, we present a new opportunistic network routing strategy that tries to send messages to a destination location area rather than a single node. To improve routing in Opportunistic networks, we apply cascade learning (a type of integration-based machine learning). We demonstrate that the proposed Cascade Learning based Routing Protocol (CLRP), outperforms existing machine learning-based protocols LOOP and MLProph on various performance metrics, including delivery probability and average latency, using real data mobility traces in simulation.
机会网络作为普适计算的关键使能技术,近年来在机器学习领域引起了大量的研究工作。在本文中,我们提出了一种新的机会网络路由策略,它试图将消息发送到目标位置区域而不是单个节点。为了改善机会主义网络中的路由,我们应用级联学习(一种基于集成的机器学习)。我们证明了所提出的基于级联学习的路由协议(CLRP)在各种性能指标上优于现有的基于机器学习的协议LOOP和MLProph,包括交付概率和平均延迟,在模拟中使用真实的数据移动痕迹。
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引用次数: 1
Impact of Channel Imperfection on the Performance of RIS-Assisted Energy-Efficient Hybrid Precoding 信道不完全性对ris辅助节能混合预编码性能的影响
Taissir Y. Elganimi, Nura K. Daghari, Khaled Maaiuf Rabie
Reconfigurable intelligent surface (RIS)-assisted multiuser millimeter-wave (mmWave) wireless systems have emerged as cost-effective and energy-efficient wireless solutions for the future 6G communications. In this paper, RIS-assisted energy-efficient hybrid precoding schemes are introduced as a promising technology that can achieve a transmission in an intelligent way. In addition, an RIS-assisted machine learning (ML) inspired energy-efficient hybrid precoding scheme that requires low-cost and energy-efficient switches and inverters is considered, where the adaptive cross entropy (ACE) optimization algorithm is employed to find the corresponding optimal precoding weights. Besides, imperfect channel state information (CSI) in both the source-to-RIS channel and RIS-to-destination channel links is assumed to be known. Extensive simulations have been conducted to evaluate the effect of imperfect CSI on the achievable sum-rate and the energy efficiency of the proposed RIS-assisted hybrid precoding schemes. Additionally, the performance of the proposed hybrid precoders is compared to that of the conventional hybrid precoding schemes. The results reveal that the proposed hybrid precoding architectures outperform the conventional schemes with large number of reflecting elements, and the performance is significantly degraded in the presence of imperfect CSI.
可重构智能表面(RIS)辅助多用户毫米波(mmWave)无线系统已经成为未来6G通信的经济高效的无线解决方案。本文介绍了ris辅助的节能混合预编码方案,这是一种很有前途的技术,可以实现智能传输。此外,考虑了一种基于ris辅助机器学习(ML)的节能混合预编码方案,该方案需要低成本和节能的开关和逆变器,其中采用自适应交叉熵(ACE)优化算法寻找相应的最优预编码权值。此外,假定源到ris信道和ris到目的信道链路中的不完全信道状态信息(CSI)都是已知的。我们进行了大量的仿真,以评估不完美CSI对所提出的ris辅助混合预编码方案的可实现和速率和能量效率的影响。此外,将所提出的混合预编码器的性能与传统的混合预编码方案进行了比较。结果表明,所提出的混合预编码架构优于具有大量反射元素的传统方案,但在不完美的CSI存在下,性能明显下降。
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引用次数: 4
Blockchain Enabled Electronics Medical System Proposed Framework with Research Directions 基于区块链的电子医疗系统建议框架及研究方向
M. Obaidat, S. Dwivedi, Ruhul Amin, K. Hsiao
The upcoming industry is continuously changing, and the current systems and technologies are not suitable in their present form. They need to upgrade to solve the complex problems that are faced by the different applications. The healthcare industry is one of them. In the current healthcare industries, the patient’s information is stored in the central cloud servers, and the third party (TP) is required to share these details among the service providers. As a result, sharing information without adopting TP in a distributed manner is a challenging task. The distributed ledger technology blockchain has the potential to resolve the problems mentioned above. The blockchain provides the immutability, transparency, and traceability of records where the records are distributed among the many nodes. This article first presents the various problems of the current electronic medical record (EMR) system, discusses the importance of blockchain in EMR systems, and finally summarizes the existing approaches with their future scopes. Based on it, this paper proposed a novel architecture for a blockchain-enabled secure sharing of health records. In addition to it, possible research directions with the relevant security attacks for blockchain systems are also highlighted in the paper.
未来的行业是不断变化的,现有的制度和技术已经不适合现在的形式。它们需要升级以解决不同应用程序所面临的复杂问题。医疗保健行业就是其中之一。在当前的医疗保健行业中,患者的信息存储在中央云服务器中,并且需要第三方(TP)在服务提供商之间共享这些详细信息。因此,在不以分布式方式采用TP的情况下共享信息是一项具有挑战性的任务。分布式账本技术区块链有可能解决上述问题。区块链提供了记录的不变性、透明性和可追溯性,记录分布在许多节点之间。本文首先介绍了当前电子病历(EMR)系统的各种问题,讨论了区块链在EMR系统中的重要性,最后总结了现有的方法及其未来的范围。在此基础上,本文提出了一种基于区块链的健康记录安全共享的新架构。除此之外,本文还强调了区块链系统可能的研究方向以及相关的安全攻击。
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引用次数: 3
Sentiment Analysis on Online Transportation Service Products Using K-Nearest Neighbor Method 基于k近邻法的在线交通服务产品情感分析
Savira Rohwinasakti, Budhi Irawan, C. Setianingsih
In 2018, the everyday client of online transportation administrations is up to 8 million clients/day in the Southeast Asian locale. Indonesia is the biggest country in utilizing the administrations contrasted with other Southeast Asian nations. The clients present their reactions to the administrations given by online transportation specialist co-ops through different media through the Instagram remarks segment. The responses submitted have additionally differed, so they likewise contained opinions that communicated their sentiments about specific administrations. In this manner, an opinion investigation framework was made utilizing the K-Nearest Neighbor strategy to decide clients' reactions to the administrations given, the degree of fulfillment, and assist clients with picking the best administrations. This examination shows that the proposed method can characterize client assessment with 94.4% accuracy, and for recall and precision, the F1 Score has the same result, 94.4%. This infers that from assessment results, the proposed calculation performs well to dissect opinion consequently.
2018年,东南亚地区在线交通管理每天的客户量高达800万客户/天。与其他东南亚国家相比,印度尼西亚是使用行政机构最多的国家。客户通过Instagram的评论部分,通过不同的媒体展示他们对在线运输专业合作社的管理的反应。此外,这些意见也各不相同,因此也包含了对具体行政当局的意见。以这种方式,利用k -最近邻策略制定了意见调查框架,以确定客户对给定管理的反应,履行程度,并帮助客户选择最佳管理。检验表明,该方法对客户评价的表征准确率为94.4%,在召回率和准确率方面,F1评分的结果相同,为94.4%。由此推断,从评估结果来看,所提出的计算结果对剖析意见表现良好。
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引用次数: 2
FIR Filter Design Method Based on LASSO to Adjust the Number of Non-zero Coefficients 基于LASSO调整非零系数个数的FIR滤波器设计方法
Clemens Klöck
In this document a new FIR filter design algorithm is proposed. The algorithm gives the designer a set of filters which differ in the approximation of the ideal filter characteristic and the number of none-zero elements. The designer can choose a filter based on proposed filter selection criteria which filter is suitable for the tradeoff between approximation as well as processing power and storage capacity.
本文提出了一种新的FIR滤波器设计算法。该算法为设计者提供了一组在理想滤波器特性近似和非零元素数量上不同的滤波器。设计人员可以根据提出的滤波器选择标准选择滤波器,该滤波器适合于近似值以及处理能力和存储容量之间的权衡。
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引用次数: 0
Dynamic Positioning Interval Based On Reciprocal Forecasting Error (DPI-RFE) Algorithm for Energy-Efficient Mobile IoT Indoor Positioning 基于互反预测误差(DPI-RFE)算法的动态定位区间节能移动物联网室内定位
Alper Saylam, Nur Kelesoglu, Rifat Orhan Çikmazel, Mert Nakıp, V. Rodoplu
We develop an algorithm called "Dynamic Positioning Interval based on Reciprocal Forecasting Error (DPIRFE)" for energy-efficient mobile Internet of Things (IoT) Indoor Positioning (IP). In contrast with existing IP algorithms, DPIRFE forecasts the future trajectory of a mobile IoT device by using machine learning and dynamically adjusts the positioning interval based on the reciprocal instantaneous forecasting error, thereby dynamically trading off transmit energy consumption against forecasting error. We compare the performance of DPIRFE with respect to the total transmit energy consumption and the average forecasting error against Constant Positioning Interval (CPI) and Positioning Interval based on Displacement (PID) algorithms. Our results show that DPI-RFE significantly outperforms both of these benchmark algorithms with respect to transmit energy consumption while achieving a competitive average forecasting error performance. These results open the way to the design of machine learning based trajectory forecasting algorithms that can be utilized for energy-efficient positioning in next-generation wireless networks.
我们开发了一种名为“基于互反预测误差的动态定位间隔(DPIRFE)”的算法,用于节能移动物联网(IoT)室内定位(IP)。与现有的IP算法相比,DPIRFE通过机器学习预测移动物联网设备的未来轨迹,并根据瞬时预测误差的倒数动态调整定位间隔,从而动态地权衡传输能耗和预测误差。我们比较了DPIRFE在总传输能量消耗和基于恒定定位间隔(CPI)和基于位移(PID)的定位间隔算法的平均预测误差方面的性能。我们的研究结果表明,DPI-RFE在传输能耗方面显著优于这两种基准算法,同时实现了具有竞争力的平均预测误差性能。这些结果为基于机器学习的轨迹预测算法的设计开辟了道路,该算法可用于下一代无线网络中的节能定位。
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引用次数: 0
Amalgamation of Blockchain and AI to Classify Malicious Behavior of Autonomous Vehicles 区块链与人工智能的融合对自动驾驶汽车恶意行为进行分类
Dhairya Jadav, M. Obaidat, S. Tanwar, Rajesh Gupta, K. Hsiao
Blockchain is a prevalent technology whose applications are aimed towards security, privacy, traceability and trust. One such application is autonomous vehicles (AVs). The biggest concern of AVs is their safety. A malicious AV can cause accidents that may be life-threatening. We have proposed a blockchain and ensemble learning-based system to classify the vehicles as malicious to address the aforementioned safety issue. Smart contracts for AVs transaction verification have been designed to count the number of malicious activities performed by any AV. Finally, results show that the proposed model achieved the goal of this paper with an accuracy of 97.5 %.
区块链是一种流行的技术,其应用旨在实现安全性、隐私性、可追溯性和信任。其中一个应用就是自动驾驶汽车(AVs)。无人驾驶汽车最大的问题是其安全性。恶意AV可能会导致危及生命的事故。我们提出了一个基于区块链和集成学习的系统,将车辆分类为恶意车辆,以解决上述安全问题。自动驾驶汽车交易验证的智能合约被设计用于计算任何自动驾驶汽车执行的恶意活动的数量。最后,结果表明,所提出的模型达到了本文的目标,准确率为97.5%。
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引用次数: 3
Facial Expressions and Body Postures Emotion Recognition based on Convolutional Attention Network 基于卷积注意网络的面部表情和肢体动作情绪识别
T. Zhou, Shiru Gao, Yuanhao Mei, Ling Wang
Emotion recognition plays an important role in the fields of medical care, education, services, and public safety. In the video, the emotion could be recognized through facial expressions and body postures. In this paper, we proposed the ER-FLS (Emotion Recognition based on Facial Landmark and Skeleton) Model, which could recognize emotions through the combination of the skeleton and facial landmarks. The model has a lightweight network structure and could focus on the key areas of face and skeleton landmarks with an attention mechanism. By calculating the similarity between global and local features, and update the weights, the recognition accuracy could be enhanced. The experimental analysis proved that the ER-FLS Model achieves 90.63% accuracy of emotional recognition.
情感识别在医疗、教育、服务、公共安全等领域发挥着重要作用。在视频中,这种情绪可以通过面部表情和身体姿势来识别。本文提出了基于面部地标和骨骼的情绪识别(ER-FLS)模型,该模型通过骨骼和面部地标的结合来识别情绪。该模型具有轻量级的网络结构,可以通过注意机制专注于面部和骨骼地标的关键区域。通过计算全局特征和局部特征之间的相似度,更新权值,提高识别精度。实验分析证明,ER-FLS模型的情绪识别准确率达到90.63%。
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引用次数: 0
SCHOOL: Spectrum Allocation for D2D Communication Enabled HetNet using Stackelberg and Coalition Formation Game 学校:使用Stackelberg和联盟形成游戏为D2D通信启用的HetNet分配频谱
Subhankar Ghosh, M. Obaidat, D. De, K. Hsiao
The number of wireless network devices has grown exponentially over the few last decades. Properly allocating the right spectrum of these large number of devices is one of the biggest challenges for future networks. In this article, we have described the method of spectrum allocation based on Stackelberg game and coalition formation game. The Stackelberg game is used to assign the spectrum to devices connected with small cell base station (SBS), and the coalition formation game is used to allocate the spectrum between device-to-device (D2D) communication devices. Two utility functions have been proposed and through these functions the network operator assigns the required spectrum to the devices. In SCHOOL, we have calculated the signal to interference plus noise ratio (SINR) and spectral efficiency (SE) of the network and compared it with the previous networks. The proposed SCHOOL has generated ~ 2% - 8% more SINR than existing network.
无线网络设备的数量在过去几十年里呈指数级增长。如何正确分配这些大量设备的频谱是未来网络面临的最大挑战之一。在本文中,我们描述了基于Stackelberg博弈和联盟形成博弈的频谱分配方法。采用Stackelberg博弈对连接SBS (small cell base station)的设备分配频谱,采用联盟形成博弈对D2D (device-to-device)通信设备分配频谱。提出了两个实用函数,通过这些函数,网络运营商将所需的频谱分配给设备。在SCHOOL中,我们计算了网络的信噪比(SINR)和频谱效率(SE),并与之前的网络进行了比较。拟议的学校比现有网络产生约2% - 8%的信噪比。
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引用次数: 1
期刊
2021 International Conference on Computer, Information and Telecommunication Systems (CITS)
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