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2020 IEEE Region 10 Symposium (TENSYMP)最新文献

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Multi-connectivity for URLLC: Performance Comparison of Different Architectures URLLC的多连接:不同架构的性能比较
Pub Date : 2020-06-05 DOI: 10.1109/TENSYMP50017.2020.9231006
Jihas Khan, L. Jacob
Ultra reliable low latency communication (URLLC), a use case of 5G, requires high reliability and low end-to-end latency simultaneously. While 5G physical layer enablers like short packet communication and flexible numerology along with one-shot transmission can achieve low latency, multi-connectivity based on macrodiversity is a potential solution for achieving high reliability in single transmission. This paper discusses the various architectures available for implementing macrodiversity based multi-connectivity for achieving URLLC. 3C based packet duplication architecture, diversity combining architecture using maximal ratio combining (MRC) and Coordinated multi-point (CoMP) architecture for interference suppression at cell edge are considered in this paper. Monte-carlo simulations prove that 3C and MRC architecture perform best in terms of reliability and radio resource usage efficiency, respectively.
超可靠低延迟通信(URLLC)是5G的一个用例,要求同时具有高可靠性和低端到端延迟。虽然短分组通信和灵活命理学等5G物理层使能器以及一次性传输可以实现低延迟,但基于宏分集的多连接是实现单次传输高可靠性的潜在解决方案。本文讨论了可用于实现基于宏多样性的多连接以实现URLLC的各种体系结构。研究了基于3C的分组重复结构、基于最大比组合(MRC)的分集组合结构和基于协调多点(CoMP)的小区边缘干扰抑制结构。蒙特卡罗仿真结果表明,3C和MRC架构在可靠性和无线电资源利用效率方面表现最佳。
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引用次数: 0
Design and Characterization of Miniaturized Implantable PIFA Antenna for MICS Band Application 用于MICS波段的微型植入式PIFA天线的设计与特性研究
Pub Date : 2020-06-05 DOI: 10.1109/TENSYMP50017.2020.9230999
Saife Shuhaib Md. Enan, Arif Istiaque, M. Hossain
This study concerns with the miniaturization of a microstrip patch antenna using several miniaturization techniques for the application in biotelemetry at the Medical Implant Communication Service (MICS) (402–405 MHz) band. The primary intention is to be able to use this radiating structure as a means of wireless communication and power transmission to a pacemaker system. The optimized structure has dimensions of 12.8x12.8x0.8mm3 and a measured operating frequency of 403 MHz with a bandwidth of 10 MHz observed at return loss of -10dB. The proposed antenna volume is 0.217% of equivalent rectangular patch which resonates at 403MHz. In addition, the measured Specific Absorption Rate (SAR) using a phantom model was 1.38 w/kg for 4mW of excitation power delivered to the structure. The design parameters were evaluated on a substrate of FR-4 using the simulation software CST Studio Suit.
本研究涉及微带贴片天线的微型化,使用几种微型化技术应用于医学植入物通信服务(MICS) (402-405 MHz)频段的生物遥测。主要目的是能够使用这种辐射结构作为无线通信和电力传输到起搏器系统的手段。优化后的结构尺寸为12.8x12.8x0.8mm3,测量工作频率为403 MHz,在回波损耗为-10dB时观察到带宽为10 MHz。该天线体积为等效矩形贴片的0.217%,谐振频率为403MHz。此外,使用模体模型测量的比吸收率(SAR)为1.38 w/kg,激发功率为4mW。利用CST Studio Suit仿真软件在FR-4基板上对设计参数进行了评估。
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引用次数: 2
An IoT Based System for Printing Braille Letter from Speech 基于物联网的语音盲文打印系统
Pub Date : 2020-06-05 DOI: 10.1109/TENSYMP50017.2020.9230734
Foysal Ahmed, Abu Choudhury, Aniruddha Rakshit, Md. Zahid Hasan
Visually impaired person cannot perform their activities like ordinary person. It becomes more difficult when a person is visually impaired along with deafness. Sometimes, it is quite impossible to communicate with such people whether in speaking or writing format. Therefore, Expert Braille Communicating System (EBCS) is a promising solution which provides braille writing format from voice. Unfortunately, people of underdeveloped countries are not getting the facilities of advanced electronic braille system for overpricing. In this work, an attempt has taken on designing a modified braille device which is economical and more compelling than previous. The device takes voice as input from an android apps and can convert the voice signal into text format of braille and prints the braille letter in paper. EBCS is trained with 1 epoch and the accuracy is achieved of 97.6%. By implementing the considered Braille system, visually impaired person can entirely engage themselves in the society.
视障人士不能像普通人一样进行活动。当一个人有视觉障碍和耳聋时,这就变得更加困难了。有时候,无论是用口语还是书面形式,都不可能与这样的人交流。因此,专家盲文通信系统(EBCS)是一个很有前途的解决方案,提供盲文书写格式的语音。不幸的是,欠发达国家的人们因价格过高而无法获得先进的电子盲文系统设施。在这项工作中,尝试设计一种改进的盲文设备,它比以前更经济,更引人注目。该设备从安卓应用程序中获取语音作为输入,将语音信号转换为盲文文本格式,并将盲文字母打印在纸上。EBCS用1 epoch进行训练,准确率达到97.6%。通过实施盲文系统,视障人士可以完全融入社会。
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引用次数: 0
Performance Enhancement of Aluminum doped ZnO based Lead-free Perovskite Solar Cell 铝掺杂ZnO基无铅钙钛矿太阳能电池的性能增强研究
Pub Date : 2020-06-05 DOI: 10.1109/TENSYMP50017.2020.9230616
Kazi Barria Nine, Md. Nahid Haque Shazon, S. A. Mahmood
Lead halide based perovskite solar cells achieve a promising efficiency which exceeds 20%. However, due to the toxicity of lead it is unsuitable for wide application. Rather, lead-free absorber, CH3NH3SnI3 is a preferable choice for solar energy harvesting. In this work, a numerical analysis is presented for a planar PSC structure with CH3NH3SnI3 as an absorber, CH3NH3SnBr3 as a hole transporting layer and aluminum-doped zinc oxide as an electron transporting layer. The performance evaluation is done by varying the thickness and defect density of the absorber layer as well as the doping densities of the charge carrier transporting layers. The optimum thickness and defect density of the absorber layer are obtained to be 800 nm and 1013 cm−3, respectively. The optimum doping density for the charge carrier transporting layers is 1021 cm−3, After optimization, the final cell efficiency is found to be 19.34%.
卤化铅钙钛矿太阳能电池的效率超过20%。然而,由于铅的毒性,它不适合广泛应用。相反,无铅吸收剂CH3NH3SnI3是太阳能收集的首选。本文对以CH3NH3SnBr3为吸收体,CH3NH3SnBr3为空穴输运层,掺铝氧化锌为电子输运层的平面PSC结构进行了数值分析。性能评价通过改变吸收层的厚度和缺陷密度以及载流子输运层的掺杂密度来完成。吸收层的最佳厚度为800 nm,缺陷密度为1013 cm−3。最佳的载流子输运层掺杂密度为1021 cm−3,优化后的电池效率为19.34%。
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引用次数: 0
Performane Analysis of Linearly-arranged Concentric Circular Antenna Array Using Robust ODL technique 基于鲁棒ODL技术的线性排列同心圆形天线阵列性能分析
Pub Date : 2020-06-05 DOI: 10.1109/TENSYMP50017.2020.9230726
I. Rahaman, Md. Selim Hossain, Md. Farhamdur Reza, Pallab Kumar Sarkar
In the modern world, the smart antenna is widely used in radar, seismology, sonar, astronomy underground communication technology, and many more applications. A smart antenna with high directivity, narrow beam-width, low sidelobe levels, and false signal termination is the eminent condition for advanced communication technology. But to design, an antenna array with such characteristics is a challenge. Considering all this problem, Linearly-arranged Concentric Circular Antenna Array (LCCAA) beamformer is proposed and simulates it with robust optimal diagonal loading (ODL) technique. in this paper. It is observed from the performance analysis it is observed that the proposed beamformer under robust techniques provides better performance with respect to conventional technique analyzing beamwidth, sidelobe level, power pattern, and SINR variation with SNR performances. In this paper optimal, FDL and ODL robust technique are used where the ODL technique shows the smallest SINR variation around 2.85 dB, 2.94 dB & 3.105 dB for 1°, 2° & 3° disparity accordingly.
在现代世界,智能天线被广泛应用于雷达、地震学、声纳、天文地下通信技术等诸多领域。具有高指向性、窄波束宽度、低旁瓣电平和假信号终端的智能天线是实现先进通信技术的重要条件。但是设计具有这种特性的天线阵列是一个挑战。针对上述问题,提出了线性排列同心圆天线阵列波束形成器,并采用鲁棒最优对角加载技术对其进行了仿真。在本文中。从性能分析中可以看出,与传统技术相比,鲁棒技术下的波束形成器在分析波束宽度、旁瓣电平、功率方向图和信噪比随信噪比性能的变化方面提供了更好的性能。在本文中,最优,FDL和ODL鲁棒技术被使用,其中ODL技术在1°,2°和3°视差下显示最小的SINR变化约为2.85 dB, 2.94 dB和3.105 dB。
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引用次数: 0
Input-based Analysis Approach to Prevent SQL Injection Attacks 基于输入的分析方法防止SQL注入攻击
Pub Date : 2020-06-05 DOI: 10.1109/TENSYMP50017.2020.9230758
Angshuman Jana, Priyam Bordoloi, D. Maity
SQL injection attack is one of the serious security threat for a database application. It permits attackers to get unauthorized access to the database by inserting malicious SQL code into the database application through user input parameters. In this paper, we propose input-based analysis approach to detect and prevent SQL Injection Attacks (SQLIA), as an alternative to the existing solutions. This technique has two part (i) input categorization and (ii) input verifier. We provide a brief discussion of the proposal w.r.t the literature on security and time cost point of view.
SQL注入攻击是数据库应用程序面临的严重安全威胁之一。它允许攻击者通过用户输入参数将恶意SQL代码插入数据库应用程序,从而获得对数据库的未经授权访问。在本文中,我们提出了基于输入的分析方法来检测和防止SQL注入攻击(SQLIA),作为现有解决方案的替代方案。该技术分为两部分(1)输入分类和(2)输入验证。本文从文献安全和时间成本的角度对该方案进行了简要讨论。
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引用次数: 4
A Sub-frame Based Feature Extraction Approach from Split-Band EEG Signal for Sleep Apnea Event Detection Using Multi-Layer LSTM 基于子帧的分带脑电信号特征提取方法用于多层LSTM睡眠呼吸暂停事件检测
Pub Date : 2020-06-05 DOI: 10.1109/TENSYMP50017.2020.9230848
Tanvir Mahmud, Ishtiaque Ahmed Khan, Talha Ibn Mahmud, S. Fattah
Sleep apnea is a sleep disorder that millions of people all over the world are affected with. Untreated Sleep apnea can lead to various complex health issues including death. The detection of apnea events has been a pressing topic of research in the recent years. Several signals like polysomnography (PSG), electrocardiogram (ECG), electroencephalogram (EEG) are used to detect sleep apnea. In this paper, a novel approach has been proposed using EEG signal. The decomposed EEG signal is fed into a Long Short Term Memory (LSTM) model to explore the sequence of the signals. The output is then used for a Deep Neural Network (DNN) to correctly detect apnea frames. Lastly all the predictions are post-processed to get the final result. This scheme has the potential to be used in hospitals for continuous detection of sleep apnea event.
睡眠呼吸暂停是一种睡眠障碍,全世界有数百万人受到影响。未经治疗的睡眠呼吸暂停会导致各种复杂的健康问题,包括死亡。呼吸暂停事件的检测是近年来研究的一个紧迫课题。多导睡眠图(PSG)、心电图(ECG)、脑电图(EEG)等几种信号被用来检测睡眠呼吸暂停。本文提出了一种利用脑电图信号的新方法。将分解后的脑电信号输入到一个长短期记忆(LSTM)模型中,对信号序列进行探索。然后将输出用于深度神经网络(DNN)来正确检测呼吸暂停帧。最后,对所有预测结果进行后处理,得到最终结果。该方案具有在医院用于睡眠呼吸暂停事件的连续检测的潜力。
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引用次数: 2
Porosity optimization of Dye-Sensitized Solar Cell using Particle Swarm Optimization Technique 基于粒子群优化技术的染料敏化太阳能电池孔隙率优化
Pub Date : 2020-06-05 DOI: 10.1109/TENSYMP50017.2020.9231025
Biswajit Mandal, P. Bhowmik, Tapas Chakrabarti
The porosity optimization of the Dye-Sensitized Solar Cell (DSSC) has studied in this paper to achieve maximum power output. Current-voltage characteristics for a range of porosity value obtained from the implemented Particle Swarm Optimization technique for optimal porosity. The Power (PW)-Voltage (V) and Current (I)-Voltage (V) curve acquired from the diffusion model of DSSC which are identical with the PW-V, I-V curve available in the literature. The proposed approach adds a new extent of the range of porosity value, which helps to get maximum power output from the cell, where parameters have kept constant to analyze the model beside porosity.
本文研究了染料敏化太阳能电池(Dye-Sensitized Solar Cell, DSSC)的孔隙度优化,以获得最大的输出功率。采用粒子群优化技术求解最优孔隙度,得到孔隙度范围内的电流-电压特性。由DSSC扩散模型得到的功率(PW)-电压(V)和电流(I)-电压(V)曲线与文献中已有的PW-V、I-V曲线一致。该方法增加了孔隙度值范围的新范围,有助于在参数保持不变的情况下获得电池的最大输出功率,以分析孔隙度以外的模型。
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引用次数: 2
An Improved Non-Isolated DC-DC Converter Involved with High Static Gain 一种改进的高静态增益非隔离DC-DC变换器
Pub Date : 2020-06-05 DOI: 10.1109/TENSYMP50017.2020.9230676
Sharmin Sobhan
Introduced research intends to evolve an improved high voltage gain non isolated dc-dc converter hinged on single-ended primary inductance converter (SEPIC). Extensive converter accommodates switching structure as well as voltage multiplier cell along with the traditional SEPIC to realize contemporary operational aspects of high voltage gain at low input voltage. Proposed structure attains the advantages of elevated static gain with lower input voltage, minor switch voltage, higher effectiveness with lower duty ratio of the switching device and uninterrupted input current with inferior ripples; whichever make it appropriate for renewable energy as well as photovoltaic applications. Besides, studied converter is not endured by the effect of overshoot voltage throughout switches turn-off state as the layout is relieved from transformer and coupled inductors. The gain equation reveals that the improved converter is capable to escalate the line voltage further times compared to the conventional converter. This document illustrates detailed operational phases of the introduced converter. Furthermore, MATLAB/Simulink simulation results are scrutinized to evaluate and confirm the proficiency of the recommended converter.
介绍了一种基于单端初级电感变换器(SEPIC)的改进的高电压增益非隔离dc-dc变换器。广泛的变换器可容纳开关结构以及电压倍增器单元以及传统的SEPIC,以实现在低输入电压下的高电压增益的当代操作方面。该结构具有输入电压低、静态增益高、开关电压小、开关器件占空比低、输入电流不间断、纹波小等优点;无论哪一种都适合于可再生能源和光伏应用。此外,由于省去了变压器和耦合电感的布局,所研究的变换器在整个开关关断状态中不受过调电压的影响。增益方程表明,与传统变换器相比,改进的变换器能够将线路电压进一步提升几倍。该文件详细说明了所介绍的转换器的操作阶段。此外,还对MATLAB/Simulink仿真结果进行了审查,以评估和确认所推荐的转换器的熟练程度。
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引用次数: 2
LyFor:Prediction of lysine formylation sites from sequence based features using support vector machine LyFor:使用支持向量机从基于序列的特征中预测赖氨酸甲酰化位点
Pub Date : 2020-06-05 DOI: 10.1109/TENSYMP50017.2020.9230689
Md. Sohrawordi, Md. Al Mehedi Hasan
Lysine formylation is a recently invented post- translational modification (PTM), which mostly resides on nuclear histone proteins. It is mainly responsible for playing an effective role in the mechanisms of cellular chromatin regulation such as DNA binding, DNA repair and protein synthesis and has great effect on other PTMs such as methylation and acetylation. As computational methods are simple, popular and high speedy compared to traditional experimental methods, it is very important and essential to generate mathematical model for proper identification of formylated lysine sites. A useful bioinformatics tool named LyFor, in this study, is developed by using amino acid composition (AAC), amino acid index (AAI), binary encoding (BE) and composition of k-spaced amino acid pair (CKSAAP) feature construction techniques to predict formylated lysine residues and non-formylated lysine residues. Moreover, a dimensional reduction method named principal component analysis (PCA) and randomly oversample method were used for preprocessing training dataset, which was applied to train the model with support vector machine algorithm. We have seen that LyFor achieves a better performance with an accuracy of 90.02 % for 10-fold cross-validation compared to existing models. Therefore, the analysis and prediction of lysine formylation may provide very useful information to study the mechanisms of chromatin regulation.
赖氨酸甲酰化是近年来出现的一种翻译后修饰(PTM),主要发生在核组蛋白上。它主要负责在细胞染色质调控机制中发挥有效作用,如DNA结合、DNA修复和蛋白质合成,对其他PTMs如甲基化和乙酰化也有很大影响。与传统的实验方法相比,计算方法简单、流行、速度快,因此建立数学模型对正确识别甲酰化赖氨酸位点非常重要和必要。本研究利用氨基酸组成(AAC)、氨基酸指数(AAI)、二进制编码(BE)和k间隔氨基酸对组成(CKSAAP)特征构建技术,开发了一个有用的生物信息学工具LyFor,用于预测甲酰化赖氨酸残基和非甲酰化赖氨酸残基。采用主成分分析(PCA)降维方法和随机抽样方法对训练数据集进行预处理,并应用支持向量机算法对模型进行训练。我们已经看到,与现有模型相比,LyFor在10倍交叉验证中实现了更好的性能,准确率为90.02%。因此,分析和预测赖氨酸甲酰化可能为研究染色质调控机制提供非常有用的信息。
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引用次数: 1
期刊
2020 IEEE Region 10 Symposium (TENSYMP)
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