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2014 International Conference on Advances in Communication and Computing Technologies (ICACACT 2014)最新文献

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Novel approach to save energy through OSPF routing protocol 利用OSPF路由协议实现节能的新方法
Madhuri M. Dharanguttikar, S. Pingat
Now a days as compare to power resources power demand grows and energy cost is also increasing at constant rate. To reduce power consumption in entire network infrastructure lots of research developed. In this approach the solution to save energy is explain. In this approach Energy Saving IP Routing strategy is define. ESIR strategy work with Open Shortest Path First protocol. This strategy is useful for Internet Service Provider (ISP) backbone network. This strategy finds the shortest path between neighboring routers by using SPT exportation mechanism. Another mechanism defines in this approach which is known as Maximum Set of Compatible Moves. This approach saves the energy by using all this above mechanism and also with the help of putting the node in sleep mode instead of completely removing such node. This strategy provides energy solution with quality of services (QoS). The proposed system implement algorithm to switch off the link according to traffic variation.
如今,与电力资源相比,电力需求不断增长,能源成本也在以恒定的速度增长。为了降低整个网络基础设施的功耗,人们进行了大量的研究。在此基础上阐述了节能的解决方案。该方法定义了节能IP路由策略。ESIR策略适用于开放最短路径优先协议。该策略对互联网服务提供商(ISP)骨干网非常有用。该策略通过SPT导出机制找到相邻路由器之间的最短路径。在这种方法中定义了另一种机制,即所谓的最大兼容移动集。这种方法通过使用上述所有机制来节省能量,并且借助将节点置于休眠模式而不是完全删除该节点。该策略提供了具有服务质量(QoS)的能源解决方案。该系统实现了根据流量变化切断链路的算法。
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引用次数: 0
A binary PSO feature selection algorithm for gene expression data 基因表达数据的二值粒子群特征选择算法
Suresh Dara, H. Banka
A Binary Particle Swarm Optimization (BPSO) based features selection algorithm is proposed for selecting important feature subsets from high dimensional gene expression data. Since the data consists of a large number of redundant features, a heuristic based fast preprocessing strategy is used for reducing features as an intermediate step. At first, preprocessing performed on data for generating the distinction table which has been used as input for choosing the important features using BPSO for further selection. The fitness function has been suitably formulated in PSO frame work to handle the conflicting objectives i.e., reducing feature cardinality and maintaining distinctive capability (i.e., classification accuracy). Three high dimensional bench mark datasets considers (i.e. colon cancer, lymphoma and leukemia) and experimental results demonstrated with their detailed comparative studies using k-NN classifier.
提出了一种基于二元粒子群算法的特征选择算法,用于从高维基因表达数据中选择重要特征子集。由于数据由大量冗余特征组成,因此采用基于启发式的快速预处理策略作为中间步骤来减少特征。首先,对数据进行预处理,生成区分表,并将区分表作为选择重要特征的输入,使用BPSO进行进一步选择。在PSO框架中适当地制定了适应度函数,以处理冲突的目标,即减少特征基数和保持独特的能力(即分类精度)。使用k-NN分类器对三个高维基准数据集(即结肠癌、淋巴瘤和白血病)和实验结果进行了详细的比较研究。
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引用次数: 11
Performance improvement by post-amplifying upstream/downstream signal in WDM passive optical network 波分复用无源光网络中上行/下行信号后放大的性能改进
Vivek Kachhatiya, S. Prince
We simulated the wavelength division multiplexing passive optical network (WDM-PON) prototype with 16 pair of wavelengths. 16 downstream wavelength multiplexed to down streaming 40Gb/s data from optical line terminal (OLT) to optical network unit (ONU) via 1:16 splitter at the remote node (RN). 16 upstream wavelength are combined at RN from ONU's and forwarded to the OLT. Amplifier section is placed only at the OLT side hence it pre-amplifying downstream signal and post-amplifying upstream signal. Upstream and downstream results are investigated and analyzed using simulated analyzer and it is found that upstream has better bit error rate (BER) and quality factor (Q-Factor) than the downstream signal.
仿真了具有16对波长的波分复用无源光网络原型。16个下行波长复用,通过远端节点(RN)的1:16分路器将40Gb/s的数据从光线路终端(OLT)传输到光网络单元(ONU)。16个上游波长从ONU’s合并到RN,转发到OLT。放大器部分仅放置在OLT侧,因此它对下游信号进行预放大,对上游信号进行后放大。利用仿真分析仪对上游和下游的结果进行了研究和分析,发现上游信号的误码率(BER)和质量因子(Q-Factor)优于下游信号。
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引用次数: 1
Privacy preserving data mining for social networks 社交网络中保护隐私的数据挖掘
Brinal Colaco, S. Khan
Advances in technology have made it possible to collect personal and professional data about individuals and the connections between them, such as their email correspondence and friendships on the internet. Many agencies and researchers who have collected such social network data often have a compelling interest in allowing others to analyze the data. However, in many cases the social network data describes relationships that are private and sharing the data for analysis can result in unacceptable disclosures. Online Social Networks, such as Facebook, are increasingly utilized by many users today. These networks allow users to publish details about themselves and to connect to their friends. Most of the information revealed inside these networks is not private. Yet it is possible to use learning algorithms on released data to predict private information from public information. This paper focuses on the problem of private information leakage from the information present on the social networks. The main topic of the presented effort is the representation of the cause-effect relationships within social network data by the application of the soft computing technique of fuzzy Inference Systems. Also, sanitization techniques that could be used in various situations are suggested and effectiveness of these sanitization techniques is analyzed.
技术的进步使得收集个人和职业数据以及他们之间的联系成为可能,比如他们的电子邮件通信和互联网上的友谊。许多收集社交网络数据的机构和研究人员通常对允许其他人分析这些数据有着强烈的兴趣。然而,在许多情况下,社交网络数据描述的关系是私有的,共享数据进行分析可能会导致不可接受的泄露。像Facebook这样的在线社交网络,如今越来越多的用户使用。这些网络允许用户发布自己的详细信息,并与他们的朋友联系。这些网络中泄露的大部分信息都不是私有的。然而,利用公开数据的学习算法从公开信息中预测私人信息是可能的。本文主要从社交网络上存在的个人信息入手,研究个人信息泄露问题。本文的主要课题是应用模糊推理系统的软计算技术来表示社会网络数据中的因果关系。提出了在不同情况下可采用的消毒技术,并对其有效性进行了分析。
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引用次数: 18
On performance analysis of OSTBC-MIMO systems for audio [mp3] transmission in Rayleigh fading environments 瑞利衰落环境下音频[mp3]传输的OSTBC-MIMO系统性能分析
Paresh M. Dholakia, Sanjay Kumar, C. Vithlani, Mitesh Solanki
Many wireless networks are rapidly become part of our daily life. However, range and data rate in wireless devices are limited. One method is to use Multiple-Input Multiple-Output (MIMO) communication system to overcome these limitations. The multiple antennas allow MIMO systems to perform diversity coding (space-time coding), and spatial multiplexing. Beamforming consists of transmitting the same signal with different gain and phase (called weights) over all transmits antennas such that the receiver signal is maximized. Diversity consists of transmitting a single space-time coded stream through all antennas. Spatial multiplexing increases network capacity by splitting a high rate signal into multiple lower rate streams and transmitting them through the different antennas. The results of using these MIMO techniques is higher data rate or longer transmit range without requiring additional bandwidth or transmit power. This paper presents a detailed study of diversity coding for MIMO systems. Different space-time block coding (STBC) schemes including Alamouti's STBC for 2 transmit antennas as well as orthogonal STBC for 3 and 4 transmit antennas are explored. Finally, these OSTBC techniques are implemented in MATLAB and Simulink. Performance analysis is carried out and system results are observed by transmitting mp3 audio clip using QPSK, 16-QAM, and 64-QAM modulation schemes in Rayleigh fading distributions.
许多无线网络正迅速成为我们日常生活的一部分。然而,无线设备的范围和数据速率是有限的。一种方法是使用多输入多输出(MIMO)通信系统来克服这些限制。多天线允许MIMO系统执行分集编码(空时编码)和空间复用。波束成形包括在所有发射天线上以不同的增益和相位(称为权重)发射相同的信号,从而使接收信号最大化。分集包括通过所有天线传输单一时空编码流。空间多路复用通过将高速率信号分成多个低速率流并通过不同的天线传输来增加网络容量。使用这些MIMO技术的结果是更高的数据速率或更长的传输范围,而不需要额外的带宽或发射功率。本文对MIMO系统的分集编码进行了详细的研究。探讨了不同的空时分组编码(STBC)方案,包括2发射天线的Alamouti STBC方案以及3和4发射天线的正交STBC方案。最后,在MATLAB和Simulink中实现了这些OSTBC技术。通过在瑞利衰落分布下使用QPSK、16-QAM和64-QAM调制方案传输mp3音频片段,对系统进行了性能分析和效果观察。
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引用次数: 1
Sensorless vector control of three phase induction motor 三相感应电动机的无传感器矢量控制
S. Hule, R. Bindu, D. Vincent
In this paper, an indirect vector control of induction motor is simulated and the speed is estimated using conventional Model Reference Adaptive System (MRAS). It is modified using neural network PI controller. A conventional mathematical model based MRAS speed estimator can give a relatively precise speed estimation result, but error will occur during low frequency operation. It is also very sensitive to machine parameter variations. Hence instead of PI controller a two-layered neural network PI controller (NNPIC) is used. With the help of projection algorithm, the parameters of the NNPIC are automatically adjusted and the difference between the two models of MRAS is minimized for speed estimation. Neural network-based MRAS estimator gave robust performance during low frequency and parameter variation. Also, this scheme reduced the work of tuning mechanism of PI controller. The estimated speed was taken as a feedback and the speed was controlled by indirect vector control using space vector pulse width modulation (SVPWM). The simulation results showed improvement in the performance of an induction motor drive.
本文对异步电动机的间接矢量控制进行了仿真,并利用传统的模型参考自适应系统(MRAS)对其速度进行了估计。采用神经网络PI控制器对其进行了修正。传统的基于数学模型的MRAS速度估计器可以给出相对精确的速度估计结果,但在低频运行时会产生误差。它对机器参数的变化也很敏感。因此,采用双层神经网络PI控制器(NNPIC)代替PI控制器。在投影算法的帮助下,自动调整NNPIC的参数,使两种MRAS模型之间的差异最小化,从而进行速度估计。基于神经网络的MRAS估计器在低频和参数变化情况下具有良好的鲁棒性。同时减少了PI控制器整定机构的工作量。以估计的速度作为反馈,采用空间矢量脉宽调制(SVPWM)间接矢量控制速度。仿真结果表明,感应电机驱动器的性能得到了改善。
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引用次数: 4
Wireless monitoring, controlling and firmware upgradation of embedded devices using Wi-Fi 利用Wi-Fi实现嵌入式设备的无线监控、控制和固件升级
Pravin G. Zaware, S. Shinde
This paper presents the design and prototype implementation of new Wi-Fi technology based monitoring and controlling the field equipments or machines using Phone, Tablet Laptop or any desktop pc having Wi-Fi utility with IEEE 802.11b, g and n standards. The boot loader for microcontroller devices is used to upgrade firmware on a target device without the need for an external programmer or debugger. The proposed system is divided into two parts for better implementation; the first part is monitoring & controlling the embedded system (field equipments) or data. Second part is boot loading (Up gradation) of the field equipments using Wi-Fi. It is very easy, reliable, secure, fast and wireless solution.
本文介绍了一种新的基于Wi-Fi技术的设计和原型实现,该技术可以使用具有IEEE 802.11b, g和n标准的手机,平板电脑或任何具有Wi-Fi功能的台式电脑对现场设备或机器进行监控。微控制器设备的引导加载程序用于升级目标设备上的固件,而不需要外部程序员或调试器。为了更好地实施,建议将系统分为两个部分;第一部分是对嵌入式系统(现场设备)或数据的监控。第二部分是使用Wi-Fi的现场设备的引导加载(升级)。这是一个非常简单、可靠、安全、快速的无线解决方案。
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引用次数: 6
RFID based Smart Shopping: An overview 基于RFID的智能购物:综述
Zeeshan Ali, Reena Sonkusare
Electronic Commerce has become extremely popular with the rise in wireless technologies and other communication techniques. Purchasing and shopping at big malls is becoming daily activity in metro cities. There is a huge rush in such places during weekends and holidays. People purchase different items and put them in trolley. After completion of purchases, one needs to go to billing counter for payments. At the billing counter the cashier prepares the bill using bar code reader which is very time consuming process and results in long queue at the billing counter. A smart product is the one that aids the comfort, convenience and efficiency in everyday life. In this paper, we discuss an innovative concept of Intelligent Smart Shopping and Billing. The key idea here is to assist a person in everyday shopping in terms of reduced time spent while purchasing a product. The main goal is to provide a technology oriented, economical, easily scalable, and rugged system for aiding shopping in person.
随着无线技术和其他通信技术的兴起,电子商务变得非常流行。在大型购物中心购物已成为大城市的日常活动。每逢周末和节假日,这些地方都人潮涌动。人们购买不同的商品并把它们放在手推车里。购买完成后,需要到账单柜台付款。在结账柜台,出纳使用条形码阅读器准备账单,这是一个非常耗时的过程,导致在结账柜台前排很长的队。智能产品是指在日常生活中提供舒适、方便和效率的产品。本文讨论了智能购物与计费的创新概念。这里的关键思想是帮助人们在日常购物中减少购买产品所花费的时间。主要目标是提供一个面向技术、经济、易于扩展和坚固的系统,以帮助亲自购物。
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引用次数: 35
Implementation of a wireless sensor node using Programmable SoC and CC2500 RF module 利用可编程SoC和CC2500射频模块实现无线传感器节点
Gaurav Singh, Siddharth More, Shivprasad Shetty, Romit Pednekar
This paper discusses the design and implementation of a wireless sensor node using a Programmable System on Chip (PSoC). The main aim of this paper is to highlight the use and need of a low cost system for monitoring various parameters where human presence is prohibited. The system was implemented using a PSoC 3 device and transceivers CC2500 RF wireless module.
本文讨论了一种基于PSoC的无线传感器节点的设计与实现。本文的主要目的是强调使用和需要一个低成本的系统来监测各种参数,禁止人类的存在。该系统采用PSoC 3器件和收发器CC2500射频无线模块实现。
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引用次数: 6
ECG data compression for a portable ECG recorder and transmitter 便携式心电记录仪和发射机的心电数据压缩
Diptee C. Pandhe, H. T. Patil
The ECG digital signal processing evolved in last decade and the need to store and transmit ECG signal data is continuously increasing. This paper involves analysis of an enhanced ECG compression and de-compression method. The method is evaluated on the basis of different compression and quality parameters like compression ratio (CR), percent root mean square difference (PRD), Signal to noise ratio (SNR), quality score (QS), etc. The compression algorithm includes three sequential processing phases: 1. Pre-processing and classification, 2. Linear transformation, 3. Entropy coding. The compression method is implemented by deciding a particular signal processing / coding algorithm for each of these phases. The de-compression technique is the inverse process of compression and it reconstructs the original signal with negligible loss of information. Finally, the described method is compared with existing ECG compression algorithms.
心电数字信号处理是近十年来发展起来的,对心电信号数据的存储和传输需求不断增加。本文分析了一种增强心电压缩与解压缩方法。基于不同的压缩和质量参数,如压缩比(CR)、均方根差(PRD)百分比、信噪比(SNR)、质量评分(QS)等,对该方法进行了评价。压缩算法包括三个顺序处理阶段:1.压缩算法;预处理与分类;线性变换,3。熵编码。压缩方法是通过为每个阶段确定特定的信号处理/编码算法来实现的。解压缩技术是压缩的逆过程,它可以在不损失信息的情况下重建原始信号。最后,将该方法与现有心电压缩算法进行了比较。
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引用次数: 4
期刊
2014 International Conference on Advances in Communication and Computing Technologies (ICACACT 2014)
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