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2018 Emerging Trends in Electronic Devices and Computational Techniques (EDCT)最新文献

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Outage capacity in MIMO Ad hoc network using co-operative relay and secret sharing scheme 采用协同中继和秘密共享方案的MIMO自组网的中断容量
Pub Date : 2018-03-01 DOI: 10.1109/EDCT.2018.8405077
Soma Boral, A. K. Mondai
Ad hoc network has the potentiality to connect different wireless devices to enable more powerful application and mobile computing capabilities. MIMO provides significantly higher data rate and support diversity during the channel degredation in Ad hoc networks. In this paper we exploit the cooperative relay transmission to cope with the channel harsh condition. The MIMO in ad hoc network gives the multiple path for data transmission through multiple antenna. Using this concept, the secret sharing scheme is incorporated to avoid the data loss due to certain breakage of links or paths failure. The important measure of the capacity of a MIMO channel is the outage capacity. We have simulated the networks and shown the performance of the networks in terms of outage capacity and throughput with different SNR values.
自组织网络有可能连接不同的无线设备,以实现更强大的应用程序和移动计算能力。在自组织网络中,MIMO提供了显著更高的数据速率和支持信道退化期间的分集。本文利用协同中继传输来应对信道条件恶劣的情况。自组织网络中的MIMO为通过多个天线传输数据提供了多条路径。利用这一概念,引入了秘密共享方案,以避免由于某些链路断裂或路径故障而导致数据丢失。衡量MIMO信道容量的重要指标是中断容量。我们对网络进行了模拟,并展示了网络在不同信噪比值下的停机容量和吞吐量方面的性能。
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引用次数: 2
A new Gated -ground- sleep architecture for ultra low leakage of SRAM cell 一种用于SRAM电池超低漏损的新型门控接地休眠结构
Pub Date : 2018-03-01 DOI: 10.1109/EDCT.2018.8405079
P. Chowdhury, Kuheli Dutta, Sunipa Roy
As down-scaling of transistors and up-scaling of technology creating an overwhelming inversely proportional scenario in today's VLSI era, three major components taking into account while designing of CMOS memory cells. As the technology shrinks down, the power dissipation widely impacts to SRAM cells. Along with the power consumption, delay and stability of SRAM cell is also becoming a challenging issue day by day. In this paper, a low power designing approach is being introduced taking advantages of combination architectures of Transmission Gate logic and Gated ground sleep logic. The Transmission Gate invokes a leakage free sub-threshold scenario when Gated ground sleep logic provides a swiftly stacking effect which jointly can induce lowering down power consumption in SRAM cell. This new approach can significantly reduce power consumption upto 75% compared to conventional 6T-SRAM cell. All the experimental works are done by tSPICE 16 with 0.25μm technology.
在今天的超大规模集成电路时代,晶体管的小型化和技术的规模化形成了压倒性的反比,在设计CMOS存储单元时要考虑三个主要因素。随着技术的不断缩小,SRAM电池的功耗将受到越来越大的影响。随着功耗的增加,SRAM单元的延迟和稳定性也日益成为一个具有挑战性的问题。本文介绍了一种利用传输门逻辑与门控地睡眠逻辑相结合的低功耗设计方法。当门控接地睡眠逻辑提供快速堆叠效应时,传输门调用无泄漏亚阈值场景,这可以共同降低SRAM单元的功耗。与传统的6T-SRAM电池相比,这种新方法可以显着降低功耗高达75%。所有实验工作均由0.25μm工艺的tSPICE 16完成。
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引用次数: 2
Alcohol sensing performance of ZnO nano-flower based resistive sensor: Comparative study ZnO纳米花型电阻式传感器的酒精传感性能比较研究
Pub Date : 2018-03-01 DOI: 10.1109/EDCT.2018.8405080
N. Banerjee, Sunipa Roy
A comparative study on alcohol sensing performance of ZnO nano-flowers is reported in this paper. Chemical bath deposition technique was employed to develop the nanostructure on a sol-gel grown seed layer deposited on SiO2 substrate using Zinc Acetate Dihydrate and Hexamethylenetetramine (HMT) precursors in DI water in the mass ratio of 1:3. After structural (XRD, FESEM) characterizations, the sensor was tested for sensing alcohol (methanol and ethanol) vapor at 250°C in dynamic range of 100 to 700 ppm. The sensor showed high response magnitude ~85.45% with ~9.6 sec response time at methanol vapor but while obtaining ~54.90% response magnitude at ethanol vapor with very low response time 2.83 sec in 700 ppm at a temperature of 250°C.
对氧化锌纳米花的酒精传感性能进行了比较研究。采用化学浴沉积技术,以二水合乙酸锌和六亚甲基四胺(HMT)为前驱体,以1:3的质量比在DI水中沉积在SiO2衬底上,在溶胶-凝胶生长的种子层上制备了纳米结构。经过结构(XRD, FESEM)表征后,对传感器在250℃下,在100 ~ 700 ppm的动态范围内检测酒精(甲醇和乙醇)蒸气进行了测试。该传感器在甲醇蒸气中具有较高的响应幅度~85.45%,响应时间为~9.6秒,而在乙醇蒸气中具有~54.90%的响应幅度,响应时间为2.83秒,温度为250℃,浓度为700 ppm。
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引用次数: 2
Euler number based feature extraction technique for gender discrimination from offline Hindi signature using SVM & BPNN classifier 基于支持向量机和BPNN分类器的基于欧拉数的印地语离线签名性别歧视特征提取技术
Pub Date : 2018-03-01 DOI: 10.1109/EDCT.2018.8405084
Moumita Pal, Swapan Bhattacharyya, Tresata Sarkar
Offline Signature is an exceptional feature which makes any human as unique from other persons, and by their own handwritten signature one person can be identified . Gender identification may be considered as one of the key features for human identification. In this paper, gender discrimination has been proposed by feature extraction method . The proposed framework considers handwritten hindi signature of each individuals as an input for gender detection . Afterwards, several features are extracted from those images. The extracted features and their values are stored as data, which is further classified using Support vector Machine(SVM) & Back Propagation Neural Network (BPNN), seeking to improve performance on the task. The proposed system is divided into two parts. In the first part, several features such as roundness, skewness, kurtosis, mean, standard deviation, area, Euler number, distribution density of black pixel, entropy, equi-diameter, connected component (cc) and perimeter were taken as feature. Then obtained features are divided into two categories. In the first category experimental feature set contains Euler number, whereas in the second category the obtained feature set excludes the same. In this proposed work, exploring a range of architectures, and obtaining a large improvement in state-of-the- art performance on the training dataset, the largest publicly available dataset on the task. In the training dataset, we obtained reports an improvement of 4.7% in gender classification system by the inclusion of Euler number as a feature, instead of usig only BPNN classifier.
离线签名是一种特殊的功能,它使任何人与其他人都是独一无二的,并且通过他们自己的手写签名可以识别一个人。性别认同可以被认为是人类认同的关键特征之一。本文通过特征提取的方法提出了性别歧视。提出的框架将每个人的手写印地语签名作为性别检测的输入。然后,从这些图像中提取一些特征。提取的特征及其值被存储为数据,使用支持向量机(SVM)和反向传播神经网络(BPNN)对数据进行进一步分类,以提高任务的性能。本系统分为两部分。第一部分以圆度、偏度、峰度、均值、标准差、面积、欧拉数、黑像素分布密度、熵、等径、连通分量(cc)、周长等特征作为特征;然后将得到的特征分为两类。在第一类中,实验特征集包含欧拉数,而在第二类中,获得的特征集不包含欧拉数。在这项工作中,探索了一系列的架构,并在训练数据集(该任务上最大的公开可用数据集)上获得了最先进的性能的巨大改进。在训练数据集中,我们获得了包含欧拉数作为特征而不是仅使用BPNN分类器的性别分类系统提高4.7%的报告。
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引用次数: 4
Micro-controller based over current relay using Hall Effect current sensor 基于霍尔效应电流传感器的超电流继电器微控制器
Pub Date : 2018-03-01 DOI: 10.1109/EDCT.2018.8405086
Rikta Majumder, S. Dolui, Debasis Agasti, Surajit Biswas
This project is to design IDMT (Inverse Definite Minimum Time) Over current Relay using Arduino. The relay can be used to sense faults in transmission line based on analog to digital conversion of the 3-phase current and when a current in a part of a power system exceeds a pre-set value either due to a fault or a large overload, the relay will isolate the part through sending trip signal to a circuit breaker. The main features which have encouraged the design and development of Arduino based protective relays are their economy, compactness, reliability, flexibility and improved performance over conventional relays.
本课题是利用Arduino设计IDMT (Inverse Definite Minimum Time)过电流继电器。该继电器可以通过3相电流的模数转换来检测传输线中的故障,当电力系统中某个部分的电流由于故障或大过载而超过预设值时,继电器将通过向断路器发送跳闸信号来隔离该部分。基于Arduino的继电器设计和开发的主要特点是其经济、紧凑、可靠、灵活以及优于传统继电器的性能。
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引用次数: 8
Beamforming of smart antenna in cellular network using leaky LMS algorithm 蜂窝网络中基于泄漏LMS算法的智能天线波束形成
Pub Date : 2018-03-01 DOI: 10.1109/EDCT.2018.8405082
Ritika Sharma, A. Senapati, J. S. Roy
One of the important technologies used in present day cellular network is adaptive smart antenna where cell site is able to communicate in desired direction only and by minimizing undesired interferences. This paper presents a modified least mean square algorithm known as leaky least mean square (LLMS) algorithm for beamforming in smart antenna. Analysis of beamforming using leaky LMS is done based on main beam direction, null direction, maximum side lobe level (SLLmax) and convergence by varying parameters such as the step size and leak factor for different number of antenna array elements.
自适应智能天线是目前蜂窝网络中使用的重要技术之一,它可以使蜂窝基站只在期望的方向上进行通信,并最大限度地减少不必要的干扰。针对智能天线波束形成问题,提出了一种改进的最小均方算法——泄漏最小均方算法。根据不同天线阵元数下的主波束方向、零波束方向、最大旁瓣电平(SLLmax)和步长、泄漏因子等参数的收敛性,分析了泄漏LMS波束形成问题。
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引用次数: 9
Effects of composition fraction on subthreshold behavior of InAsxSb(1-x) channel UTB MOSFETs 组成分数对InAsxSb(1-x)通道UTB mosfet亚阈值行为的影响
Pub Date : 2018-03-01 DOI: 10.1109/EDCT.2018.8405089
S. Dey, B. Dey, S. Bhattacherjee
In this paper, we report for the first time the effect of composition fraction on the subthreshold behaviour for an n- channel InAsxSb1-x UTB MOSFET in nanoscale regime. Our model is based on numerical simulation technique using ATLAS, the 2-D device simulator. We have used ATLAS to obtain the drain current ID, transconductance gM, threshold voltage and subthreshold slope taking into account the effect of composition fraction (x). The drain current model is calibrated with reported experimental data. The transfer characteristic curves are utilized to find the threshold voltage and subthreshold slope as a function of composition fraction of InAsxSb1-x channel UTB MOSFETS. Our investigation reveals that composition fraction has a strong impact on the drain current and transconductance in subthreshold and weak inversion region. ON - OFF current ratio as well as subthreshold slope can be improved by changing the composition fraction of InAsxSb1-x alloy. Also threshold voltage can be shifted by changing the same.
在本文中,我们首次报道了组成分数对纳米尺度下n沟道inasxs11 -x UTB MOSFET亚阈值行为的影响。我们的模型是基于二维设备模拟器ATLAS的数值模拟技术。考虑到组分分数(x)的影响,我们使用ATLAS获得了漏极电流ID、跨导gM、阈值电压和亚阈值斜率。漏极电流模型使用报告的实验数据进行了校准。利用转移特性曲线求出InAsxSb1-x通道UTB mosfet的阈值电压和亚阈值斜率随组成分数的函数关系。我们的研究表明,成分分数对亚阈值区和弱反转区漏极电流和跨导有很大的影响。通过改变InAsxSb1-x合金的成分分数,可以提高开关电流比和亚阈值斜率。同样,阈值电压也可以通过改变而移位。
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引用次数: 0
Optical fibre based smart illumination system 基于光纤的智能照明系统
Pub Date : 2018-03-01 DOI: 10.1109/EDCT.2018.8405099
Arpan Kumar Lahiri, K. Saha, Debasis Agasti, Bapita Roy
Electricity crisis is a very common fact in today's world. Conventional lighting system requires huge electricity consumption. So some smart systems are used for illumination purposes which can maximize the utilization of available natural resources. One of the smart options which can replace the conventional lighting system using electricity is the use of natural resources for illumination where sunlight can't reach in the day time. The sunlight harvesting system is that smart lighting system which can save electricity in subways, offices, malls, etc where daytime lighting is very much required. This smart system consists of optical fibers, focusing lens assembly, photo sensor and microcontroller. After transmission through the optical fiber the ambient light is focused on the lens assembly for illumination in all the places where the sunlight cannot be accessed directly. By using the Photo sensor assembly the proper position of the sun can be tracked which maximizes the light input into the optical fiber system. This assembly is also required to measure the intensity of sunlight to avoid the unfavorable lighting condition (cloudy days, etc.). According to the measured value the electric light intensity will be controlled automatically which results less energy consumption.
在当今世界,电力危机是一个非常普遍的事实。传统照明系统耗电量巨大。因此,一些智能系统用于照明目的,可以最大限度地利用可用的自然资源。其中一个可以取代传统电力照明系统的智能选择是利用自然资源来照明白天阳光无法到达的地方。日光收集系统是一种智能照明系统,可以在地铁,办公室,商场等日间照明非常需要的地方节省电力。该智能系统由光纤、聚焦透镜组件、光传感器和微控制器组成。环境光通过光纤传输后,聚焦在透镜组件上,照亮所有太阳光不能直接照射到的地方。通过使用光传感器组件,可以跟踪太阳的适当位置,从而最大限度地增加光纤系统的光输入。该组件还需要测量阳光的强度,以避免不利的照明条件(阴天等)。根据测量值自动控制电光强度,降低能耗。
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引用次数: 1
Two dimensional mobility in Zinc Sulpide (ZnS) single quantum well, Zinc Selenide (ZnSe) and Zinc telluride(ZnTe) single quantum well : A comparative study 硫化锌(ZnS)单量子阱、硒化锌(ZnSe)和碲化锌(ZnTe)单量子阱二维迁移率的比较研究
Pub Date : 2018-03-01 DOI: 10.1109/EDCT.2018.8405096
Palasri Dhar, A. Ghosal
In this paper, the authors have calculated the two dimensional mobility in ZnS, ZnSe and ZnTe as a function of temperature taking into account the different lattice scattering mechanisms, namely Ionised Impurity scattering and Acoustic phonon scattering. A comparative study of two dimensional mobility of ZnS,ZnSe and ZnTe has been made.
在本文中,考虑到不同的晶格散射机制,即电离杂质散射和声子散射,作者计算了ZnS, ZnSe和ZnTe中的二维迁移率作为温度的函数。对ZnS、ZnSe和ZnTe的二维迁移率进行了比较研究。
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引用次数: 0
Implementation and study of high speed multimode digital modulator using ternary logic 基于三元逻辑的高速多模数字调制器的实现与研究
Pub Date : 2018-03-01 DOI: 10.1109/EDCT.2018.8405056
S. Haldar, S. Chakraborty
This paper presents a novel method for defining, analyzing and implementing a ternary based configurable digital modulator to realize amplitude, phase and frequency shift keying techniques. The proposed modulator is developed by ternary logic based combinational circuits such as ternary multiplexers, ternary decoders, standard ternary inverters for switching of three types of carrier signal .Ternary multiplexers are used as a basic building block for configurable modulator with the help of control logic. The architecture has been validated using standard EDA tool. The power dissipation of entire modulator for various modulation schemes, modulated waveforms and transient delay analysis for different carrier frequencies have been presented in detail.
本文提出了一种新的方法来定义、分析和实现基于三进制的可配置数字调制器,以实现幅度、相位和频移键控技术。所提出的调制器是由基于三元逻辑的组合电路开发的,如三元复用器、三元解码器、标准三元逆变器,用于三种类型载波信号的切换。在控制逻辑的帮助下,三元复用器作为可配置调制器的基本构建块。该体系结构已使用标准EDA工具进行了验证。详细介绍了各种调制方案下整个调制器的功耗、调制波形和不同载波频率下的瞬态时延分析。
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引用次数: 2
期刊
2018 Emerging Trends in Electronic Devices and Computational Techniques (EDCT)
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