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2020 IEEE Region 10 Symposium (TENSYMP)最新文献

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A New Polling Algorithm for Dynamic Data Transmission Sequence of Cluster-based PON 一种新的基于簇的PON动态数据传输序列轮询算法
Pub Date : 2020-06-05 DOI: 10.1109/TENSYMP50017.2020.9230910
Sujit Basu, M. Hossen, M. Hanawa
Online polling-based passive optical network (PON) effectively reduces the ideal time between two successive time cycles and large grant delay for optical network units (ONUs) than the offline polling-based PON. However, it introduced some other draw backs like unfair bandwidth allocation to the ONUs in different traffic load conditions and absent of priority scheduling to early serve the mostly busy ONUs. In this paper, we propose a new dynamic data transmission sequence algorithm for cluster-based PON that accommodate the advantages of both the existing offline and online polling-based schemes. In the proposed cluster-based PON, in each time cycle, optical line terminal divides all the active ONUs in a number of clusters and unused bandwidth of a cluster is added as a surplus bandwidth to the next cluster. Computer simulated results is obtained in the case of three different performance parameters where the proposed scheme outperforms than the existing offline and online poling-based schemes.
基于在线轮询的无源光网络(PON)比基于离线轮询的无源光网络(PON)有效地减少了光网络单元(onu)两个连续时间周期之间的理想时间间隔和较大的授权延迟。然而,它也带来了一些缺点,如在不同的流量负载条件下对onu的带宽分配不公平,以及缺乏优先级调度来提前服务最繁忙的onu。在本文中,我们提出了一种新的基于集群的PON动态数据传输序列算法,它融合了现有基于离线和在线轮询的PON算法的优点。在本文提出的基于集群的PON中,光线路终端在每个时间周期内将所有活动onu划分到多个集群中,并将一个集群中未使用的带宽作为剩余带宽添加到下一个集群。在三种不同性能参数下的计算机模拟结果表明,该方案优于现有的基于离线和在线轮询的方案。
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引用次数: 1
Effects of Noise on RASTA-PLP and MFCC based Bangla ASR Using CNN 噪声对基于CNN的RASTA-PLP和MFCC的孟加拉语ASR的影响
Pub Date : 2020-06-05 DOI: 10.1109/TENSYMP50017.2020.9231034
Md. Raffael Maruf, Md. Omar Faruque, Salman Mahmood, Nazmun Nahar Nelima, Md. Golam Muhtasim, Md.Jahedul Alam Pervez
Though Bangla Automatic Speech Recognition (ASR) started its journey since a long time ago, a paltry amount of work is done on Convolutional Neural Network (CNN) based ASR. In this paper, we propose an ASR made with CNN where the performance of two feature extraction methods, namely Mel Frequency Cepstral Coefficients (MFCC) and Relative Spectral Transform - Perceptual Linear Prediction (RASTA-PLP) are compared on Bangla isolated words consisting of digits and speech commands. This paper contributes to the literature of Bangla ASR in three ways. Firstly, Effects of noise is experimented on Bangla speech commands as well as isolated words in CNN based ASR. Secondly, the performance of MFCC and RASTA-PLP are compared in noisy environment using CNN based classifier. Lastly, state-of-the-art accuracy is achieved in CNN based ASR which is 93.18%.
虽然孟加拉语自动语音识别(ASR)很早以前就开始了它的旅程,但基于卷积神经网络(CNN)的ASR所做的工作却微不足道。在本文中,我们提出了一种基于CNN的ASR,比较了Mel频率倒谱系数(MFCC)和相对频谱变换-感知线性预测(RASTA-PLP)两种特征提取方法对由数字和语音命令组成的孟加拉语孤立词的性能。本文在三个方面对孟加拉国的ASR文献做出了贡献。首先,在基于CNN的ASR中,对孟加拉语语音命令和孤立词进行了噪声影响实验。其次,利用基于CNN的分类器,比较了MFCC和RASTA-PLP在噪声环境下的性能。最后,基于CNN的ASR达到了最先进的准确率93.18%。
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引用次数: 2
Design an Efficient Graphene Based Antenna for Wireless Applications 设计一种高效的基于石墨烯的无线应用天线
Pub Date : 2020-06-05 DOI: 10.1109/TENSYMP50017.2020.9230931
F. Alam, M. Khan
In this article a graphene based direct-fed multiband planar internal antenna (PIA) for wireless communication is proposed. Graphene, one of the most disruptive materials, is used to enhance the performance of this antenna. Graphene based antennas present noteworthy perfections for the maximum parameters than copper based antennas. Designing and simulating in CST over 0 to 3 THz, it is observed that the PIA indicates the highest efficiency over the different types of graphene based patch antennas. It performs with almost 98 % efficiency.
本文提出了一种基于石墨烯的直接馈电多波段平面内天线(PIA)。石墨烯是最具破坏性的材料之一,它被用来增强这种天线的性能。石墨烯基天线在最大参数方面比铜基天线表现出值得注意的优点。在0 ~ 3太赫兹的CST下进行设计和仿真,发现PIA在不同类型的石墨烯贴片天线中具有最高的效率。它的效率几乎达到98%。
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引用次数: 2
Through-the-Wall HB100 Radar Signal Processing for Estimating Frequency of Vibrating Diaphragm 用于估计振动膜片频率的穿墙式HB100雷达信号处理
Pub Date : 2020-06-05 DOI: 10.1109/TENSYMP50017.2020.9230751
Sujanya Kumari. T, L. P. Roy
This paper presents radar signal processing techniques for measuring frequency of vibrating diaphragm through-the-wall, using a HB100 Doppler radar. The micro-Doppler features of radar are useful in determining the frequency of sound waves. Therefore, Doppler features are apprehended in a signal model for analysing through-the-wall diaphragm vibration. The same model is modified for Multiple Signal Classification (MUSIC) algorithm, in accurate measurement of frequency of sound waves, as conventional Fast Fourier Transform(FFT) algorithm incurs undesired additional frequency components. The experimental results presented in this paper signify that the background subtraction technique is preferred for through-the-wall scenario as it eliminates undesired frequency from the received signal and thus, measures the Doppler frequency precisely. Therefore, HB100 radar can be used for measuring through-the-wall vibration of sound source from its micro-motion signature.
本文介绍了利用HB100型多普勒雷达测量穿墙振动膜片频率的雷达信号处理技术。雷达的微多普勒特性在确定声波的频率方面是有用的。因此,在分析穿壁隔膜振动的信号模型中考虑了多普勒特征。针对传统的快速傅里叶变换(FFT)算法会产生不必要的额外频率分量的问题,对多信号分类(MUSIC)算法进行了改进,以精确测量声波频率。本文的实验结果表明,背景减法技术是穿墙场景的首选技术,因为它消除了接收信号中不需要的频率,从而精确地测量了多普勒频率。因此,HB100雷达可以通过其微动特征来测量声源的穿壁振动。
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引用次数: 4
Performance Investigation of Robust Linearly Constrained Minimum Variance Beamforming for Uniform Circular Array 均匀圆形阵列鲁棒线性约束最小方差波束形成性能研究
Pub Date : 2020-06-05 DOI: 10.1109/TENSYMP50017.2020.9230852
T. Chakrabarty, R. Saha, M. Faysal, M. R. Bishal, M. S. Hossain
The performance of beamformer deteriorates due to signal mismatch caused by look direction disparity and scattering. To overcome this issue, a modified robust Linearly Constrained Minimum Variance(LCMV) beamforming method using variable optimal diagonal loading is addressed in this paper. It uses null constraints to reject interference signals and diagonal loading to increase the robustness of the beamformer against any steering vector mismatch. The performance of the proposed method has been observed for several steering vector mismatch condition. In every scenario, it achieves higher output signal to interference plus noise ratio (SINR) at lower snapshots than the existed beamforming method. Simulations are performed in MATLAB for finding out the performance of the proposed method.
由于视向差和散射引起的信号失配,使波束形成器的性能下降。为了克服这一问题,本文提出了一种改进的鲁棒线性约束最小方差(LCMV)波束形成方法,该方法采用可变最优对角加载。它使用零约束来抑制干扰信号和对角加载,以增加波束形成器对任何转向矢量不匹配的鲁棒性。在几种导向矢量不匹配的情况下,观察了该方法的性能。与现有的波束形成方法相比,该方法在低快照情况下均能获得更高的输出信噪比(SINR)。在MATLAB中进行了仿真,验证了所提方法的性能。
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引用次数: 0
Performance Estimation of Massive MIMO Drop-based Propagation Channel Model for mmWave Communication 毫米波通信中基于丢点的海量MIMO传播信道模型的性能估计
Pub Date : 2020-06-05 DOI: 10.1109/TENSYMP50017.2020.9230462
Rifat Hasan, M. Mowla, Nabila Hoque
The next major step in mobile communications technology beyond the current LTE-A is 5G wireless technologies. With the rapid progression of 5G, massive MIMO innovation has turned out to be one of the most significant advances in 5G networks by facilitating beamforming technology. In this paper, we have simulated and analyzed the statistical propagation channel model for 5G massive MIMO millimeter-wave (mmWave) cellular communication in the ultrawideband unlicensed spectrum of 60 GHz. This investigation is based on IR (impulse response) channel model named NYUSIM which is a geometrical based channel modeling tool developed by NYUWireless. We have used the drop based mode to determine the propagation channel coefficients. We investigated the network performance by considering the directional, omnidirectional power delay profiles (PDPs) and path loss. Analyzing the propagation channel is fundamental to define the actions of the channel response of the wireless stream link in the specific environment to reach the 5G expectations.
移动通信技术超越当前LTE-A的下一个重要步骤是5G无线技术。随着5G的快速发展,大规模MIMO创新通过促进波束成形技术成为5G网络最重要的进步之一。本文对60ghz超宽带免许可频谱下5G海量MIMO毫米波(mmWave)蜂窝通信的统计传播信道模型进行了仿真分析。该研究基于IR(脉冲响应)信道模型NYUSIM,这是NYUWireless开发的基于几何的信道建模工具。我们已经使用基于下降的模式来确定传播信道系数。我们通过考虑定向、全向功率延迟分布(pdp)和路径损耗来研究网络性能。分析传播信道是定义无线流链路在特定环境下的信道响应行为以达到5G预期的基础。
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引用次数: 4
Predicting priority needs for Rehabilitation of refugees based on machine learning techniques from monitoring data of Rohingya refugees in Bangladesh 基于机器学习技术,根据孟加拉国罗兴亚难民的监测数据预测难民康复的优先需求
Pub Date : 2020-06-05 DOI: 10.1109/TENSYMP50017.2020.9230867
Joydhriti Choudhury, Faisal Bin Ashraf, Arif Shakil, Nahian Raonak
Ethnic cleansing of Rohingya ethnicity from the Rakhine state of Myanmar has made life miserable for more than half million persons who had fled away with their life from their own country. They have taken shelter and and have been living in in the resource-poor side of Bangladesh. Immense size of refugee population makes it challenging to accommodate all the needs. In case of refugee rehabilitation, all the refugees are given shelter in small camps. Different camps have different types of people and needs. However, not all the needs can be met altogether. So, prioritizing needs will make the rehabilitation process more effective. In this paper, we have used machine learning techniques to identify an effective model which predicts the needs based on priority. This learned model can be used to predict the prioritized needs for different camps while rehabilitation process goes on. Our experiments disclosed that Random Forest ensemble methods work effectively.
缅甸若开邦对罗兴亚族的种族清洗使50多万人的生活变得悲惨,他们逃离了自己的国家。他们一直住在孟加拉国资源贫乏的地区。巨大的难民人口规模使得满足所有需求具有挑战性。在难民恢复正常生活的情况下,所有难民都住在小营地里。不同的营地有不同类型的人和不同的需求。然而,并非所有的需求都能完全得到满足。因此,优先考虑需求将使康复过程更有效。在本文中,我们使用机器学习技术来确定一个有效的模型,该模型可以根据优先级预测需求。该学习模型可用于在康复过程中预测不同营地的优先需求。我们的实验表明,随机森林集成方法是有效的。
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引用次数: 1
Modeling of a 400 kV Transmission Line of Bangladesh Power System Network 孟加拉国电力系统网络400kv输电线路的建模
Pub Date : 2020-06-05 DOI: 10.1109/TENSYMP50017.2020.9230824
Md. Tanvir Emrose, A. Chowdhury, S. M. Mehedi Hasan
This paper presents a detailed model of 400 kV AC double circuit transmission line between Ashuganj and Bhulta substations of Bangladesh power system network. Frequency dependent model is for overhead transmission lines, constant parameter distributed line model for tower, variable tower footing resistance model, and IEEE standard model for surge arrester are used for the purpose. The complete model is tested and verified using actual data by employing lightning strike.
本文介绍了孟加拉国电网阿舒甘杰与布尔塔变电站之间400千伏交流双回输电线路的详细模型。架空输电线路采用频率相关模型,杆塔采用定参数分布式线路模型,杆塔基础电阻采用变参数模型,避雷器采用IEEE标准模型。利用雷击的实际数据对完整的模型进行了验证。
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引用次数: 0
Automatic Text Summarization Using Gensim Word2Vec and K-Means Clustering Algorithm 基于Gensim Word2Vec和K-Means聚类算法的自动文本摘要
Pub Date : 2020-06-05 DOI: 10.1109/TENSYMP50017.2020.9230670
Mofiz Mojib Haider, Md. Farhad Hossin, Hasibur Rashid Mahi, Hossain Arif
The significance of text summarization in the Natural Language Processing (NLP) community has now expanded because of the staggering increase in virtual textual materials. Text summary is the process created from one or multiple texts which convey important insight in a little form of the main text. Multiple text summarization technique assists to pick indispensable points of the original texts reducing time and effort require reading the whole document. The question was approached from a different point of view, in a different domain by using different concepts. Extractive and abstractive are the two main methods of summing up text. Though extractive summary is primarily concerned with what summary content the frequency of words, phrases, and sentences from the original document should be used. This research proposes a sentence based clustering algorithm (K-Means) for a single document. For feature extraction, we have used Gensim word2vec which is intended to automatically extract semantic topics from documents in the most efficient way possible.
由于虚拟文本材料的惊人增长,文本摘要在自然语言处理(NLP)领域的重要性已经扩大。文本摘要是由一个或多个文本创建的过程,这些文本以主要文本的小形式传达重要的见解。多重文本摘要技术有助于选择原文中不可或缺的要点,减少阅读全文的时间和精力。这个问题是从不同的角度,在不同的领域,通过使用不同的概念来解决的。摘要和抽象是归纳文本的两种主要方法。虽然摘要主要关注的是摘要内容,但原文档中单词、短语和句子的使用频率应该是多少。本文提出了一种基于句子的单个文档聚类算法(K-Means)。对于特征提取,我们使用了Gensim word2vec,它旨在以最有效的方式从文档中自动提取语义主题。
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引用次数: 18
Multiclass Classification for Bangla News Tags with Parallel CNN Using Word Level Data Augmentation 基于词级数据增强的并行CNN孟加拉语新闻标签多类分类
Pub Date : 2020-06-05 DOI: 10.1109/TENSYMP50017.2020.9230981
Ruhul Amin, Nabila Sabrin Sworna, Nahid Hossain
Text mining is the procedure of exploring large unorganized text data. Due to the availability of numerous amounts of text data through online blogs, newspapers and other media, text classification and categorization is the hot topic nowadays. Many researches have been done on this topic on English and other western languages. However, very few notable researches have been on Bangla language. Unavailability of a notable dataset in Bangla language is another burden to develop a highperformance text classification tool. In this paper, we have presented a Bangla news tags classification approach. The classification has been done entirely based on news titles only with parallel Convolutional Neural Network (CNN) which is a category of deep neural networks utilizing word-level data augmentation approach. Due to the unavailability of a proper and updated dataset on Bangla news titles and tags, we have developed our own dataset which consists of 88,968 news titles and tags by scrapping online newspapers. According to the classification result, our approach shows an accuracy of 93.47% which is the highest amongst the similar works.
文本挖掘是对大量无组织文本数据进行挖掘的过程。由于通过网络博客、报纸和其他媒体可以获得大量的文本数据,文本分类和分类是当今的热门话题。关于英语和其他西方语言的这个话题已经做了很多研究。然而,对孟加拉语的研究却很少。孟加拉语数据集不可用是开发高性能文本分类工具的另一个负担。在本文中,我们提出了一种孟加拉语新闻标签分类方法。该分类完全基于新闻标题,仅使用并行卷积神经网络(CNN)进行分类。并行卷积神经网络是一种利用词级数据增强方法的深度神经网络。由于缺乏适当且更新的孟加拉语新闻标题和标签数据集,我们通过废弃在线报纸开发了自己的数据集,该数据集由88,968个新闻标题和标签组成。根据分类结果,我们的方法的准确率为93.47%,在同类作品中是最高的。
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引用次数: 6
期刊
2020 IEEE Region 10 Symposium (TENSYMP)
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