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Ballistic performance comparison of InGaSb and InAsSb XOI nFET InGaSb和InAsSb XOI nFET的弹道性能比较
8th International Conference on Electrical and Computer Engineering Pub Date : 2014-12-01 DOI: 10.1109/ICECE.2014.7026842
M. N. Alam, M. Islam, Md.R. Islam
{"title":"Ballistic performance comparison of InGaSb and InAsSb XOI nFET","authors":"M. N. Alam, M. Islam, Md.R. Islam","doi":"10.1109/ICECE.2014.7026842","DOIUrl":"https://doi.org/10.1109/ICECE.2014.7026842","url":null,"abstract":"Ballistic performance of nanoscale InGaSb and InAsSb XOI n-FET is compared using non equilibrium greens function (NEGF) method. The simulation results demonstrate that the ballistic performance is opposite to what is expected if the devices were long channel MOSFET. Although InAsSb possesses higher bulk electron mobility, but in ballistic regime, InGaSb gives higher drain current along with better subthreshold characteristic and reduced threshold voltage, if the off state current for both material is made equal.","PeriodicalId":335492,"journal":{"name":"8th International Conference on Electrical and Computer Engineering","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125108327","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: 0
Performance analysis of BPPM and M-ary PPM in free-space optical communication systems under gamma-gamma distribution using APD and PIN 利用APD和PIN分析γ - γ分布下自由空间光通信系统中BPPM和M-ary PPM的性能
8th International Conference on Electrical and Computer Engineering Pub Date : 2014-12-01 DOI: 10.1109/ICECE.2014.7026899
M. A. Islam, Ashraful Bari Chowdhury
{"title":"Performance analysis of BPPM and M-ary PPM in free-space optical communication systems under gamma-gamma distribution using APD and PIN","authors":"M. A. Islam, Ashraful Bari Chowdhury","doi":"10.1109/ICECE.2014.7026899","DOIUrl":"https://doi.org/10.1109/ICECE.2014.7026899","url":null,"abstract":"Free-space optical (FSO) communication offers highly directional, high bandwidth communication channels, which is why it is often used in digital communication systems. However, atmospheric turbulence has a voluminous degradation in the performance of FSO communication system. Therefore, different modulation techniques are introduced to improve the performance of the FSO communication systems. In this paper, the modulation schemes considered for the proposed FSO system, are binary pulse position modulation (BPPM) and M-ary pulse position modulation (M-ary PPM). The channel fading is characterized using gamma-gamma distribution. APD and PIN photodiode are used as photodetectors. Performance of the FSO systems has been compared in terms of their bit error rates (BERs). The results obtained in the paper show the suitability of BPPM over M-ary PPM for both photodetectors and also indicate the suitability of APD over PIN photodiode for the considered modulation techniques.","PeriodicalId":335492,"journal":{"name":"8th International Conference on Electrical and Computer Engineering","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131920189","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
Self-localization of a mobile robot using monocular vision of a chessboard pattern 利用棋盘图案的单目视觉实现移动机器人的自定位
8th International Conference on Electrical and Computer Engineering Pub Date : 2014-12-01 DOI: 10.1109/ICECE.2014.7026828
P. Ahmmed, Zabir Ahmed, Mohammad Ishfaque, Jahan Rafee, M. Awal, S. Choudhury
{"title":"Self-localization of a mobile robot using monocular vision of a chessboard pattern","authors":"P. Ahmmed, Zabir Ahmed, Mohammad Ishfaque, Jahan Rafee, M. Awal, S. Choudhury","doi":"10.1109/ICECE.2014.7026828","DOIUrl":"https://doi.org/10.1109/ICECE.2014.7026828","url":null,"abstract":"A computationally fast visual approach of autonomous robot localization with high degree of accuracy is demonstrated. Relative position and orientation of an autonomous robot with respect to a fixed reference point is determined by minimal processing of a monocular image employing projective geometry resulting in very low computational requirements. A three-layered sequential algorithm i.e. Detection-Pixel Level Analysis-Sub Pixel Accuracy, is used to speed up the process and to reduce computational bulk. The position coordinate of a point in a plane is obtained by analyzing the perspective projection of a reference structure on a monocular image perceived by a camera placed at that point. A chessboard pattern is suitably chosen as the reference structure which is placed at the origin of the plane.","PeriodicalId":335492,"journal":{"name":"8th International Conference on Electrical and Computer Engineering","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132479417","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: 7
Optimal multichannel equalization for robust speech dereverberation 鲁棒语音去噪的最佳多通道均衡
8th International Conference on Electrical and Computer Engineering Pub Date : 2014-12-01 DOI: 10.1109/ICECE.2014.7026908
A. Maruf, M. A. Haque
{"title":"Optimal multichannel equalization for robust speech dereverberation","authors":"A. Maruf, M. A. Haque","doi":"10.1109/ICECE.2014.7026908","DOIUrl":"https://doi.org/10.1109/ICECE.2014.7026908","url":null,"abstract":"Ideal acoustic multichannel equalization technique based on multiple-input/output inverse theorem (MINT) aims to completely invert the estimated room impulse responses (RIRs) between the source and microphone arrays. However, the method is known to be very sensitive to the estimation errors of the RIRs. In order to increase robustness, regularized MINT (R-MINT) has been proposed that overcomes the limitation by decreasing the energy of the equalization filters. In this paper, we analyze the solution of the R-MINT method and introduce a number of different ways to increase the robustness of the MINT method. Recently, regularized partial MINT (RP-MINT) method has been proposed that provides better perceptual speech quality compare to the R-MINT method. We also propose a new regularized optimal partial MINT (ROP-MINT) method which aims to optimize the equalized impulse response (EIR) between the source and output of the system. Simulation experiments conducted in various reverberant environments demonstrate that performance of our proposed ROP-MINT is better than that of the RP-MINT method.","PeriodicalId":335492,"journal":{"name":"8th International Conference on Electrical and Computer Engineering","volume":"61 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133228813","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
Estimating the transit time of an AlyGa1−yAs HBT in the Gaussian doped base region for low to moderately high level of injection 估计了低至中高注入水平下，AlyGa1−yAs HBT在高斯掺杂基区的传递时间
8th International Conference on Electrical and Computer Engineering Pub Date : 2014-12-01 DOI: 10.1109/ICECE.2014.7027024
Nusrat Jahan, Rowshon Ara Mannan, Priyanka Biswas, Y. Arafat
{"title":"Estimating the transit time of an AlyGa1−yAs HBT in the Gaussian doped base region for low to moderately high level of injection","authors":"Nusrat Jahan, Rowshon Ara Mannan, Priyanka Biswas, Y. Arafat","doi":"10.1109/ICECE.2014.7027024","DOIUrl":"https://doi.org/10.1109/ICECE.2014.7027024","url":null,"abstract":"For a Gaussian doped graded base AlGaAs Hetero-junction Bipolar Transistor (HBT), base transit time (BTT) has been determined using a suitable analytical model. Here the authors have investigated the dependency of base transit time on different physical and input parameters such as the collector current density, base emitter voltage etc. Electric field dependent carrier mobility also has been included into the analytic model and found that the base transit time worsens compared to the value found without taken the field dependent mobility into account.","PeriodicalId":335492,"journal":{"name":"8th International Conference on Electrical and Computer Engineering","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122279690","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: 0
Dispersion optimization of 160-Gb/s 2000-km transmission by appropriate orientation of chirped fiber Bragg grating 啁啾光纤光栅定向优化160-Gb/s 2000 km传输色散
8th International Conference on Electrical and Computer Engineering Pub Date : 2014-12-01 DOI: 10.1109/ICECE.2014.7026825
Shariful Islam, Farzana Rahmat Zaki, M. Faisal
{"title":"Dispersion optimization of 160-Gb/s 2000-km transmission by appropriate orientation of chirped fiber Bragg grating","authors":"Shariful Islam, Farzana Rahmat Zaki, M. Faisal","doi":"10.1109/ICECE.2014.7026825","DOIUrl":"https://doi.org/10.1109/ICECE.2014.7026825","url":null,"abstract":"In this paper the optimal allocation of fiber Bragg grating (FBG) as a dispersion compensator in the presence of group velocity dispersion (GVD) and third-order dispersion (TOD) has been examined. The optimization is performed by varying the compensator arrangements and span length. Four different arrangements are considered-pre-configuration, post-configuration, mid-configuration and bi-end configuration. Span length is varied from 30 to 120 km. At the receiver, Q-factor and bit error rate (BER) have been systematically compared for standard single mode fiber (SSMF) and non-zero dispersion-shifted fiber (NZDSF). The results show that NZDSF based long-haul lightwave communication system with mid compensated scheme provides better performance at 160-Gb/s.","PeriodicalId":335492,"journal":{"name":"8th International Conference on Electrical and Computer Engineering","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114230238","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
Data logging and energy consumption analysis of two houses in St. John's, Newfoundland 纽芬兰圣约翰两栋房屋的数据记录和能耗分析
8th International Conference on Electrical and Computer Engineering Pub Date : 2014-12-01 DOI: 10.1109/ICECE.2014.7026882
Tasnova Alam Jesha, M. Iqbal
{"title":"Data logging and energy consumption analysis of two houses in St. John's, Newfoundland","authors":"Tasnova Alam Jesha, M. Iqbal","doi":"10.1109/ICECE.2014.7026882","DOIUrl":"https://doi.org/10.1109/ICECE.2014.7026882","url":null,"abstract":"In this paper a design of a low cost data logger to log temperature and power consumption in a house is presented. The designed data logger is capable of logging four AC current and two temperature measurements. It is based on a low cost microcontroller PIC18F4550. Microcontroller is programmed using Mikrobasic. The circuit displays temperature measurements on an LCD display and all measurements are also stored in separate files on a sd card. Power consumption of two houses was logged for one year using a sampling time of 2 minutes. The data stored in a sd card is used for further analysis. This paper also presents design of data logger and a detailed analysis of energy consumption of two houses based on collected data. Data analysis indicates power consumption pattern and its variation over a year. Analysis indicates that the logged data and monthly data collected by the utility company give similar energy consumption.","PeriodicalId":335492,"journal":{"name":"8th International Conference on Electrical and Computer Engineering","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122068611","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
Bessel k-form parameters in the dual tree complex wavelet transform domain for the detection of epilepsy and seizure 贝塞尔k形参数在对偶树复小波变换域中用于癫痫和发作的检测
8th International Conference on Electrical and Computer Engineering Pub Date : 2014-12-01 DOI: 10.1109/ICECE.2014.7026964
A. Das, M. Bhuiyan
{"title":"Bessel k-form parameters in the dual tree complex wavelet transform domain for the detection of epilepsy and seizure","authors":"A. Das, M. Bhuiyan","doi":"10.1109/ICECE.2014.7026964","DOIUrl":"https://doi.org/10.1109/ICECE.2014.7026964","url":null,"abstract":"In this paper, a statistical analysis of EEG signals is carried out in the dual tree complex wavelet transform (DT-CWT) domain. It is shown that Bessel k-form(BKF) pdf can suitably model the DT-CWT sub-bands and the BKF parameters in various DT-CWT sub-bands can discriminate various types of EEG data effectively. Next these parameters are utilized by the SVM-based classifiers to classify the EEG data. The classification performance is studied for three clinically relevant cases including healthy vs seizure, non-seizure vs seizure and inter-ictal vs ictal recordings. The proposed method provides 100% accuracy with 100% sensitivity and 100% specificity in all the cases. In addition, in comparison to several state-of-the-art algorithms, the proposed method has also been shown to be computationally fast.","PeriodicalId":335492,"journal":{"name":"8th International Conference on Electrical and Computer Engineering","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116513877","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
Community recommendation in social network using strong friends and quasi-clique approach 基于强朋友和准小团体方法的社交网络社区推荐
8th International Conference on Electrical and Computer Engineering Pub Date : 2014-12-01 DOI: 10.1109/ICECE.2014.7026937
Anjum Ibna Matin, Sawgath Jahan, M. R. Huq
{"title":"Community recommendation in social network using strong friends and quasi-clique approach","authors":"Anjum Ibna Matin, Sawgath Jahan, M. R. Huq","doi":"10.1109/ICECE.2014.7026937","DOIUrl":"https://doi.org/10.1109/ICECE.2014.7026937","url":null,"abstract":"A social networking service is a platform to build relations among people who share interests, activities, backgrounds or real-life connections. Communities in a social network are the gathering places for the people with common interest. Social network analysis is in high demand now a days for the increasing number of users. They involve themselves into different communities. They share post, their views, what they like etc. in communities. So it is important for them to find suitable communities where they have common factors like friends, followers and their activities etc. In this paper, we propose a technique for recommending a community in social network like Facebook, Twitter etc. Finding strong friends from a user's friend list and using clique and quasi-clique concepts introduced in graph mining, we recommend suitable communities for a user in a social network.","PeriodicalId":335492,"journal":{"name":"8th International Conference on Electrical and Computer Engineering","volume":"83 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116981286","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: 5
Effect of stone-wales defects and edge roughness on the switching and frequency performance of graphene nanoribbon-FET 石纹缺陷和边缘粗糙度对石墨烯纳米带fet开关和频率性能的影响
8th International Conference on Electrical and Computer Engineering Pub Date : 2014-12-01 DOI: 10.1109/ICECE.2014.7026932
A. Saha, G. Saha, A. Harun-ur Rashid
{"title":"Effect of stone-wales defects and edge roughness on the switching and frequency performance of graphene nanoribbon-FET","authors":"A. Saha, G. Saha, A. Harun-ur Rashid","doi":"10.1109/ICECE.2014.7026932","DOIUrl":"https://doi.org/10.1109/ICECE.2014.7026932","url":null,"abstract":"The novel electronic properties of graphene nanoribbons (GNRs) including purely two-dimensional structure along with its tunable bandgap have led to intense research into possible applications of this material in nanoscale devices. However, as yet, dimensions of its possibilities in practical device levels have remained inconsistent. In this paper we propose a model for GNR-FET that is made from only Armchair GNRs. Our complete NEGF-based simulation reveals its potential for fast digital electronics with On/Off ratio up to 103, transconductance of 8.5×103 nS/nm which lead to a analog operational frequency up to 3.3THz. The effects of Stone-Wales defects and Edge Roughness in GNRs have been analysed here that shows switching and frequency performance degradation of such GNR-FETs.","PeriodicalId":335492,"journal":{"name":"8th International Conference on Electrical and Computer Engineering","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115641961","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: 2
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