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2017 International Conference on Computer, Communications and Electronics (Comptelix)最新文献

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UWB antenna with dual band notched characteristics having SRR on patch 在贴片上具有SRR的双带陷波特性的超宽带天线
Pub Date : 2017-07-01 DOI: 10.1109/COMPTELIX.2017.8004048
Pooja Meena, A. Garg
UWB microstrip rectangular patch antenna with dual band notched characteristics with SRR (Split Ring Resonator) slots has been designed on FR4 substrate and its analysis has been presented in this paper. FR-4 substrate has thickness of 1.6 mm, loss tangent of 0.02 and dielectric constant εr=4.4. Dual band-notched characteristics have been created in 4.8–5.4GHz and 8.9–9.9GHz using SRR-1 and SRR-2 slot on patch respectively. The proposed design has ultra wideband responses with dual band notched at 3.6–10.6GHz. Simulation work of proposed design has been done using CST Microwave Studio.
本文在FR4衬底上设计了带劈裂环谐振器槽的双带陷波超宽带微带矩形贴片天线,并对其进行了分析。FR-4衬底厚度为1.6 mm,损耗正切值为0.02,介电常数εr=4.4。在4.8-5.4GHz和8.9-9.9GHz频段,分别利用贴片上的SRR-1和SRR-2插槽实现了双带陷波特性。该设计具有3.6-10.6GHz双陷波超宽带响应。利用CST微波工作室对所提出的设计方案进行了仿真。
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引用次数: 3
A preemptive job scheduler based on a Backpropagation Neural Network 基于反向传播神经网络的抢占式作业调度
Pub Date : 2017-07-01 DOI: 10.1109/comptelix.2017.8003928
Anilkumar Kothalil Gopalakrishnan
This paper presents a preemptive job scheduler based on a 3-layer Backpropagation Neural Network (BPNN) and a greedy task alignment procedure. The BPNN estimates priority values of jobs based on the attributes of their subtasks and the given job selection criteria of the scheduler. The scheduler is formulated in such a way that, at each time interval, the most priority job will be selected from the job queue before the next job arrives. The selected job is only preempted by a new job if its priority is less than the new job and then the preempted job will be restarted when its priority reaches high. When a predefined threshold time is reached, the job queue is refreshed to eliminate the old and low priority jobs. The proposed satisfiability measure based on job validation test, BPNN convergence test and cost value assure the efficiency of the scheduler. The performed simulations show that the presented scheduler approach is an effective one for a preemptive job scheduling application.
提出了一种基于三层反向传播神经网络(BPNN)和贪心任务对齐过程的抢占式作业调度程序。BPNN根据子任务的属性和调度程序给定的作业选择标准来估计作业的优先级值。调度器是这样制定的:在每个时间间隔内,在下一个作业到达之前,将从作业队列中选择优先级最高的作业。选择的作业只有在新作业的优先级低于新作业时才会被新作业抢占,被抢占的作业优先级达到高时才会重新启动。当达到预定义的阈值时间时,将刷新作业队列以消除旧的和低优先级的作业。提出的基于作业验证测试、bp神经网络收敛性测试和成本值的满意度度量保证了调度程序的有效性。仿真结果表明,所提出的调度方法是一种有效的抢占式作业调度方法。
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引用次数: 0
Polar Code: The Channel Code contender for 5G scenarios 极性码:5G场景的信道码竞争者
Pub Date : 2017-07-01 DOI: 10.1109/COMPTELIX.2017.8004055
Aarti Sharma, M. Salim
Channel Coding for the 5G wireless networks is facing novel challenges to endorse innumerable emerging use cases and applications with miscellaneous performance aspects. With respect to existing state of art codes; 5G channel Codes have diverse requirements of code lengths and rates, as well as throughput, latency and decoding complexity. Therefore, Turbo codes and LDPC codes that played key enablers in 3G and 4G systems are already unproven for many new 5G applications. Polar code is believed as prominent breakthrough in channel coding theory. It guarantees apical performance for 5G scenarios and hence it is considered as a promising candidate for the 5G New Radio. This paper accentuates on the suitability of polar codes for the 5G scenarios. Polar code appropriateness for URLLC and mMTC scenarios is shown in simulation results.
5G无线网络的信道编码正面临着新的挑战,以支持无数具有各种性能方面的新兴用例和应用。就现有的最先进的法规而言;5G信道码对码长、码率、吞吐量、时延、解码复杂度有不同的要求。因此,在3G和4G系统中发挥关键作用的Turbo码和LDPC码在许多新的5G应用中尚未得到验证。极性码被认为是信道编码理论的重大突破。它保证了5G场景的最佳性能,因此被认为是5G新无线电的有希望的候选者。本文重点讨论了极化码在5G场景下的适用性。仿真结果表明,极性代码适用于URLLC和mMTC场景。
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引用次数: 44
A flexible remote node architecture for energy efficient direct ONU internetworking in TDM PON 一种灵活的远程节点架构,用于TDM PON中节能的直接ONU互连
Pub Date : 2017-07-01 DOI: 10.1109/COMPTELIX.2017.8004012
Baria Dipikaben Manharbhai, A. Garg, V. Janyani
We propose and demonstrate a RN (remote node) architecture that enables direct ONU (Optical Network Unit) internetworking within a group and/or with another groups by using FBG (Fiber Bragg Grating) array in TDM-PON (Time Division Multiplexed Passive Optical Network). The specific wavelength assignments are used for the traffic intended for various virtual private groups and for overall broadcasting. The proposed architecture supports downstream, upstream and direct inter-ONU transmission simultaneously. Direct inter-ONU communication reduces the power consumption and transmission latency during communication among nearby located ONUs. To check the feasibility of the proposed architecture, its performance is verified with the simulation results using Optisystem 13.0.
我们提出并演示了一种RN(远程节点)架构,该架构通过使用TDM-PON(时分多路无源光网络)中的FBG(光纤布拉格光栅)阵列,实现了组内和/或与另一组的直接ONU(光网络单元)互连。特定的波长分配用于各种虚拟专用组和整体广播的流量。该架构同时支持onu间的下行、上行和直接传输。onu间直接通信可降低附近onu间通信的功耗和传输延迟。为了验证所提架构的可行性,利用Optisystem 13.0的仿真结果对其性能进行了验证。
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引用次数: 18
Structural study of aluminium nitride thin film grown by radio frequency sputtering technique 射频溅射生长氮化铝薄膜的结构研究
Pub Date : 2017-07-01 DOI: 10.1109/COMPTELIX.2017.8004027
Ashish Kumar, R. P. Yadav, V. Janyani, M. Prasad
Radio frequency sputtering technique was used to deposit high-quality Aluminium Nitride (AlN) on a silicon substrate. Structural parameters of deposited thin film are analyzed and reported. Structural parameters taken into account are dislocation density, crystalline size, lattice constants, and stress/strain. Deposited thin film has shown strong crystallographic orientation towards the c-axis (002) as revealed by X-ray diffraction analysis and elemental diffraction spectroscopy. Images obtained from Atomic Force Microscope (AFM) confirmed that deposited thin film was smooth and crack-free. Structural study of deposited films concludes that AlN thin films are a potential candidate for nano/micro-electro-mechanical systems (MEMS/NEMS), bulk acoustic and surface acoustic wave electronic device applications.
采用射频溅射技术在硅衬底上沉积高质量的氮化铝(AlN)。对沉积薄膜的结构参数进行了分析和报道。考虑的结构参数包括位错密度、晶体尺寸、晶格常数和应力/应变。x射线衍射分析和元素衍射谱分析表明,沉积的薄膜具有向c轴(002)方向的强晶体取向。从原子力显微镜(AFM)获得的图像证实,沉积的薄膜光滑,无裂纹。对沉积薄膜的结构研究表明,AlN薄膜是纳米/微机电系统(MEMS/NEMS)、体声和表面声波电子器件应用的潜在候选者。
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引用次数: 6
A robust technique for image processing based on interfacing of Raspberry-Pi and FPGA using IoT 一种基于树莓派和FPGA接口的图像处理鲁棒技术
Pub Date : 2017-07-01 DOI: 10.1109/COMPTELIX.2017.8003992
A. Rupani, P. Whig, Gajendra Sujediya, P. Vyas
With the invention of IoT, the image processing is reaching upto a distinct level as IoT is becoming a major part of every one life. These systems are creating many applications in image processing field such as image filtering and processing. The realization of this system was completed by means of a low cost ZedBoard Zynq 7000 FPGA and a Raspberry-pi. The output for the input image after processing various image processing filters process viz. Gaussian filter, Sharpening filter and Average filter has been obtained and these results have been displayed on VGA monitor. Also The edge detection and grayscale operations have been performed for Lena's image having size of 256×256. Chip utilization has been noted.
随着物联网的发明,图像处理正在达到一个不同的水平,因为物联网正在成为每个人生活的重要组成部分。这些系统在图像滤波和处理等图像处理领域创造了许多应用。该系统采用低成本的ZedBoard Zynq 7000 FPGA和树莓派处理器实现。对输入图像进行高斯滤波、锐化滤波、平均滤波等多种图像处理后的输出,并在VGA显示器上显示。并对莉娜的尺寸为256×256的图像进行了边缘检测和灰度化操作。芯片利用率已被注意到。
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引用次数: 20
Gauge Theory and spontaneous breaking of symmetry in superconductors 超导体中规范理论和对称性的自发破缺
Pub Date : 2017-07-01 DOI: 10.1109/COMPTELIX.2017.8003956
M. Gupta, Parth Gupta
This paper examines two key aspects related to symmetry in physical systems in detail. The first part of the paper presents the Gauge Theory whereas the second part demonstrates a particular example of spontaneous symmetry breaking: Superconductivity. Subsequently the history which led to the development of Gauge Theory is reviewed along with the supporting concepts of invariance and local/global symmetry of dynamic systems. This results into the base level of physical knowledge of Gauge Theory. Further, it has been corroborated how Classical Electromagnetics is gauge symmetric. This has been supported by mathematical working as well. After understanding the importance of symmetry the paper investigates into the cases of spontaneous symmetry breaking. A particular case of spontaneous symmetry breaking, namely superconductivity has been considered. Next it has been demonstrated, how the phenomenon of superconductivity is actually a case of disruption of rotational spin symmetry in the superconducting material. And in conclusion, it will be clear how Gauge Theory has proved to be of immense use in the advancement of science.
本文详细探讨了物理系统中对称性的两个关键方面。论文的第一部分介绍了规范理论,而第二部分展示了自发对称破缺的一个特殊例子:超导。随后回顾了规范论发展的历史,以及支持不变性和动力系统局部/全局对称的概念。这就形成了规范论的基础物理知识。进一步证实了经典电磁学是规范对称的。这也得到了数学计算的支持。在认识到对称性的重要性之后,本文研究了自发对称性破缺的情况。本文考虑了自发对称破缺的一种特殊情况,即超导性。接下来,我们演示了超导现象实际上是超导材料中自旋对称性被破坏的一个例子。综上所述,我们将清楚地看到规范理论在科学发展中的巨大作用。
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引用次数: 0
High fitness population (HFP) with GA solution for solving unit commitment 高适应度群体(HFP)与遗传算法求解单位承诺
Pub Date : 2017-07-01 DOI: 10.1109/COMPTELIX.2017.8003953
A. S. Rajawat, M. Sharma, V. Sharma
This paper presents an improved solution to optimal unit commitment (UC) by seeding best initial high fitness population (HFP) near or equal to global optimum solution to Genetic algorithm (GA). To direct the limited minimization option left in HFP in better way, easy GA mutation scheme is proposed that produces constrained satisfied populations, handle typical spinning reserve/time constraints and increases diversity option for GA to work near global optimum. The proposed algorithm performance is verified for systems of one-day scheduling period for 10–100 generating units. The test results reveal solution very near or close to optimum value achieved in initial population before the GA iteration starts. Result demonstrate the superiority of proposed scheme in term of number of iteration, cost and computation time then any other conventional methods / other computing techniques.
本文通过在遗传算法(GA)的全局最优解附近或等于全局最优解处播种最优初始高适应度种群(HFP),提出了一种改进的最优单元承诺(UC)的求解方法。为了更好地指导HFP中剩余的有限最小化选项,提出了一种简单的遗传突变方案,该方案产生有约束的满意种群,处理典型的旋转储备/时间约束,并增加遗传算法的多样性选项,使其接近全局最优。在10-100台机组的1天调度周期系统中验证了算法的性能。测试结果表明,在遗传算法迭代开始之前,解非常接近或接近初始种群所达到的最优值。结果表明,该方案在迭代次数、成本和计算时间等方面优于其他传统方法。
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引用次数: 0
A novel approach for enhancing selection of Load Balancing algorithms dynamically in cloud computing 一种增强云计算中负载均衡算法动态选择的新方法
Pub Date : 2017-07-01 DOI: 10.1109/COMPTELIX.2017.8003935
Satvik Khara, Umang Thakkar
Cloud computing is most recent advanced rising innovation that provides every kind of service to its users. It is generally based on “pay per usage” methodology that provides an immense Infrastructure as a Service (IaaS), Platform as a Service (PaaS) and Software as a Service (SaaS) model that altogether form a cloud. However it also has some issues that is to be resolved. Among many issues, Load balancing is major issue for cloud computing. Load Balancing is the technique to divide the load among different available resources and equalize with virtual machines to achieve efficiency and increases throughput. This paper first of all shows the theoretical study of load balancing and then shows different types of load balancing algorithms used to balance load. Further it also demonstrates and compares algorithms that gives an idea to merge them and have a choice to select dynamically based on some parameters and situation in which they are better for enhancing efficiency and increasing throughput. Experimental results clearly shows that hybrid approach of using different algorithms in different situations can lead to achieve our goal and better results.
云计算是最新的先进创新,它为用户提供各种服务。它通常基于“按使用付费”的方法,该方法提供了一个巨大的基础设施即服务(IaaS)、平台即服务(PaaS)和软件即服务(SaaS)模型,这些模型共同构成了云。然而,它也有一些问题需要解决。在众多问题中,负载平衡是云计算的主要问题。负载平衡是一种将负载分配到不同可用资源并与虚拟机进行均衡以实现效率和提高吞吐量的技术。本文首先介绍了负载均衡的理论研究,然后介绍了用于负载均衡的不同类型的负载均衡算法。进一步对算法进行了论证和比较,给出了合并算法的思路,并可以根据某些参数和情况动态选择更有利于提高效率和提高吞吐量的算法。实验结果清楚地表明,在不同情况下使用不同算法的混合方法可以达到我们的目标并获得更好的结果。
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引用次数: 0
Bandwidth enhancement of ultra-wide band swastika slot loaded micro-strip antenna with band-notch characteristic 带陷波特性的超宽带万字槽微带天线的带宽增强
Pub Date : 2017-07-01 DOI: 10.1109/COMPTELIX.2017.8003973
H. S. Mewara, Rahul Kumawat, M. Sharma, I. B. Sharma
Bandwidth enhancement of an ultra-wide band swastika slot loaded antenna with band notch characteristic is presented. The antenna consists of an exciting rectangular patch on the front side and a partial ground plane on the backside of the substrate. A swastika shape is etched on patch, by inserting corner slots to the swastika shape, notched frequency band is improved. The simulated impedance is defined by VSWR < 2 of 11.00 GHz operating over a frequency range 3.71–14.71 GHz with a single notched band of WLAN (5.27–6.22 GHz). Simulated Average gain of about 4 dBi is observed over the whole UWB band except at WLAN band notch.
提出了一种具有带陷波特性的超宽带万字槽加载天线的带宽增强方法。该天线由基板背面的局部接地面和正面的激励矩形贴片组成。在贴片上刻蚀出一个万字形状,通过在万字形状上插入角槽,改善了缺口频带。仿真阻抗定义为在3.71-14.71 GHz频率范围内工作的VSWR < 2 (11.00 GHz), WLAN为单个陷波带(5.27-6.22 GHz)。除WLAN带陷波外,整个UWB波段的模拟平均增益约为4dbi。
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引用次数: 1
期刊
2017 International Conference on Computer, Communications and Electronics (Comptelix)
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