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2016 3rd International Conference on Advanced Computing and Communication Systems (ICACCS)最新文献

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Robust Sybil attack detection mechanism for Social Networks - a survey 社交网络健壮的Sybil攻击检测机制-调查
M. Valarmathi, A. Meenakowshalya, A. Bharathi
Now a day's Recommender Systems (RS) have become predominant in Internet of Things (IoT), Online Social Networks (OSN) and Social Internet of Things (SIoT). Sybil attack is an attack where malicious users suppress opinions of honest users by creating fake identities called Sybils. Sybil attacks are prevalent in wireless sensor networks, online social networks, Peer to Peer networks and mobile networks. In this paper survey various types of Sybil attacks which are based on behavior of attacker. This paper also surveys different types of current Sybil defense protocols like SybilGuard, SybilLimit, SybilDefender, SybilInfer, SybilShield, and SyMon to defend against the Sybil attack.
如今,推荐系统(RS)已经在物联网(IoT)、在线社交网络(OSN)和社交物联网(SIoT)中占据主导地位。“Sybil攻击”是恶意用户通过创建虚假身份“Sybil”来压制诚实用户意见的攻击。Sybil攻击普遍存在于无线传感器网络、在线社交网络、点对点网络和移动网络中。本文综述了基于攻击者行为的各种类型的Sybil攻击。本文还研究了目前防范Sybil攻击的不同类型的Sybil防御协议,如SybilGuard、SybilLimit、SybilDefender、SybilInfer、SybilShield和SyMon。
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引用次数: 7
Cooperative communication with Delay and Energy proficient locality based routing protocol-DEPL 具有时延和能量精通的局域路由协议depl的协同通信
J. AnjanaDevi, S. Vaishnavi, N. Sankarram
Cooperative Network is becoming an interesting topic in the emerging networking technologies characterized by its self-reliant behaviour. It deals with different nodes: the source nodes relay nodes and the destination node, in a resource-constrained network cooperating with each other to improve the overall network performance. Whatever the protocols for communication are used it should satisfy the basic two goals: 1) it should be able to increase communication rates across the network and 2) communication reliability in the networks should be improved. The proposed DEPL- Delay and Energy efficient Locality based routing protocol with its random behaviour not only satisfies the above mentioned goals but also focuses on improving the overall network lifetime with minimal overhead. This proposed DEPL routing protocol is proven to be efficient in comparison with the existing deterministic routing protocols.
在新兴的网络技术中,协作网络以其自我依赖的特性成为一个有趣的话题。它处理资源受限网络中的不同节点:源节点、中继节点和目的节点,它们相互协作以提高网络的整体性能。无论使用何种通信协议,它都应该满足两个基本目标:1)它应该能够提高整个网络的通信速率;2)应该提高网络中的通信可靠性。本文提出的基于时延和高能效局域路由协议具有随机特性,不仅满足上述目标,而且注重以最小的开销提高整个网络的生存时间。与现有的确定性路由协议相比,本文提出的DEPL路由协议是有效的。
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引用次数: 0
Mitigation and wavelet analysis for power swing in IEEE 9 bus system ieee9总线系统功率摆的抑制与小波分析
Padmini Sharma, R. N. Patel
Power oscillations occur in a transmission line due to various transients affect distance relay characteristics and may result in relay mal-operation. This paper presents new approach to damp out the power oscillation as early as possible by using power system stabilizer. Due to early damp out oscillations, no much variation is seen in the measured apparent impedance at relay location and it could not enter the relay tripping zone and prevent the distance relay mal-operation during power swing. To explain the affectivity of the proposed scheme, the simulation was conducted on IEEE 9 bus system using PSCAD/EMTDC software. The results shows comparison between change in load angle, speed and power swing with and without PSS when 3 phase fault is created in bus number 5 of IEEE 9 bus system. In addition to that multi-resolution based haar wavelet transform is used to decompose the analyzed signal into different frequency band and analysis the energy level in both cases. The technique includes separation and reformation of the faulted signal to extract the low - frequency component of the signals. With this new feature, make numerical relay more effective and more reliable in case of power swing.
在传输线中,由于各种瞬态影响距离继电器的特性而产生功率振荡,并可能导致继电器误动作。本文提出了利用电力系统稳定器尽早消除电力系统振荡的新方法。由于早期阻尼振荡,在继电器位置测量的视阻抗变化不大,不能进入继电器跳闸区,防止功率摆幅时距离继电器误动作。为了说明所提方案的有效性,利用PSCAD/EMTDC软件在IEEE 9总线系统上进行了仿真。结果比较了ieee9总线系统中5号母线产生3相故障时,加PSS和不加PSS时负载角度、转速和功率摆幅的变化。此外,采用基于多分辨率的haar小波变换将分析后的信号分解成不同的频带,并对两种情况下的能级进行分析。该技术包括对故障信号进行分离和重构,提取故障信号中的低频成分。这一新特性使数字继电器在功率波动情况下更有效、更可靠。
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引用次数: 2
Message from dean - academics 教务长寄语
K. Mohanasundaram
It is heartening to note that we at Sri Eshwar College of Engineering is organising the third edition of the very prestigious international conference on Advanced Computing and Communication Systems 2016.
令人振奋的是,我们斯里埃什瓦尔工程学院正在组织第三届非常著名的2016年高级计算与通信系统国际会议。
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引用次数: 0
INS - GPS integrated aid to partially vision impaired people using Doppler sensor 利用多普勒传感器帮助部分视力受损的人
Sudheer Kumar Nagothu, Dr. G. Anitha
Without vision the human life becomes miserable. The technology should be able to help the people who are having impaired vision to live life as normal human beings. So many navigation aids to such people have been evolved which normally uses only GPS. But GPS satellite signals can't be reached inside the Indore environment, because the waves will be attenuated by structures such as rooftops. Inertial Navigation system (INS) has been used here to overcome this problem. INS is self-dependent which doesn't require any external satellite signals. A speech recognition system is provided to select the location where he wants to go which are predefined and stored. Doppler range finder determines the range between the front obstructing object and the person. As the person moves towards the object the INS gets updated and finds the remaining range. Two vibration motors attached to the person arm will activated based on condition. If he has to take left turn left arm motor will be activated and vice versa. For straight path both motors attached to shoulders will be vibrated. The amplitude of the vibration depends upon the distance between the obstacle object and person.
没有远见,人类的生活将变得悲惨。这项技术应该能够帮助视力受损的人像正常人一样生活。因此,为这些人开发了许多导航辅助设备,通常只使用GPS。但GPS卫星信号无法在印多尔环境中到达,因为波会被屋顶等结构衰减。惯性导航系统(INS)在这里被用来克服这个问题。INS是独立的,不需要任何外部卫星信号。提供语音识别系统来选择他想去的位置,这些位置是预先定义并存储的。多普勒测距仪确定前方障碍物与人之间的距离。当人向对象移动时INS得到更新并找到剩余的范围。连接在人体手臂上的两个振动马达将根据情况被激活。如果他要左转,左臂电机将被激活,反之亦然。对于直线路径,连接在肩部的两个电机将被振动。振动的振幅取决于障碍物与人之间的距离。
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引用次数: 2
Monitoring moisture of soil using low cost homemade Soil moisture sensor and Arduino UNO 利用自制的低成本土壤湿度传感器和Arduino UNO进行土壤湿度监测
Madhusoodan Satish Kumar, T. R. Chandra, D. Kumar, M. Manikandan
Persistent increase in population of world is demanding more and more supply of food. Hence there is a significant need of advancement in cultivation to meet up the future food needs. It is important to know moisture levels in soil to maximize the output. But most of farmers cannot afford high cost devices to measure soil moisture. Our research work in this paper focuses on home-made low cost moisture sensor with accuracy. In this paper we present a method to manufacture soil moisture sensor to estimate moisture content in soil hence by providing information about required water supply for good cultivation. This sensor is tested with several samples of soil and able to meet considerable accuracy. Measuring soil moisture is an effective way to determine condition of soil and get information about the quantity of water that need to be supplied for cultivation. Two separate methods are illustrated in this paper to determine soil moisture over an area and along the depth.
世界人口的持续增长要求越来越多的粮食供应。因此,迫切需要在种植方面取得进步,以满足未来的粮食需求。重要的是要知道土壤中的水分水平,以最大限度地提高产量。但是大多数农民负担不起昂贵的测量土壤湿度的设备。本文的研究工作主要集中在研制低成本、高精度的国产湿度传感器。本文提出了一种制造土壤水分传感器的方法,以估计土壤中的水分含量,从而提供良好耕作所需的供水信息。该传感器用几个土壤样本进行了测试,并且能够满足相当高的精度。测定土壤水分是确定土壤状况和获取耕作需水量信息的有效手段。两种不同的方法在本文中说明了确定土壤湿度在一个地区和沿深度。
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引用次数: 55
Estimation of detected ML in Tone Reservation and evaluate of Iterative Flicking PTS, SLM based Riemann matrix for reducing PAPR in OFDM 基于SLM的Riemann矩阵降低OFDM中PAPR的检测ML估计和迭代闪烁PTS评估
S. Gopinathan, S. Gnanaprakasam, S. Bhoopalan
Separation process of receiving signal is not efficient and destroyed in a fast fading channel of the orthogonally of consecutive Space Time Block Code STBC Orthogonal frequency division multiplexing OFDM. So we take the tone reservation technique to generate a avoidance of signal in time domain reserving from frequency domain and also to remove high peaks to average power ratio. To improve the tone reservation method by introducing space time block code. We find the value of working ability of orthogonal frequency division multiplexing system under the unite of the influence of tone reservation and Space time block code in maximum likelihood ML to act of valuing by using BPSK modulations are presented for variation of BER of the different sub blocks. The Complementary Cumulative Distribution Function CCDF of Riemann matrix based on Selective Mapping Technique SMT and Iterative Flicking of Partial Transmit Sequence PTS for PAPR rapidly reducing from exciting system in this technique and algorithm used to stimulate the result by using MATLAB to reducing the Peak to Average Power Ratio by increasing SNR by BPSK modulators on OFDM system.
在连续空时分组码(STBC)正交频分复用OFDM的快速衰落信道中,接收信号的分离过程效率不高,被破坏。因此,我们采用音调保留技术来避免频域信号在时域的保留,并去除峰值平均功率比。通过引入空时分组码对语音保留方法进行改进。研究了正交频分复用系统在最大似然ML中音调保留和空时分组码影响的统一作用下的工作能力值,给出了采用BPSK调制对不同子分组的误码率变化进行赋值的方法。基于选择性映射技术SMT的Riemann矩阵互补累积分布函数CCDF和基于部分发射序列PTS的迭代弹移的激励系统PAPR快速降低算法,以及利用MATLAB仿真结果通过在OFDM系统上使用BPSK调制器提高信噪比来降低峰均功率比的算法。
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引用次数: 0
GUI creation for removal of motion artifact in PPG signals 用于移除PPG信号中的运动伪影的GUI创建
S. R. Yadhuraj, B. Sudarshan, K. Prasanna
Photoplethysmography(PPG) signals provide a valuable insight to the cardiac functioning non-invasively. Analysis of PPG signals is of great challenge as the Finger PPG sensors are subjected to various noises like motion artifact, noises from the ambient sunlight and also flow of blood in the terminal arterioles. To obtain the reliable measures from PPG signals, filtering the PPG signal from various noises becomes important. Various methods such as periodic moving average filter, SVD method, Wavelet Filters, FFT Filter, Adaptive Filters, have been proposed to remove motion artifact of PPG signals by various authors. All the filtering methods are carried out individually as a signal processing application. It would be helpful to compare the different filtering methods if all this filtering method are done under single GUI, this also helps the researcher to filter the motion artifact in the PPG signals with ease. In this work a code has been written in MATLAB for different filtering methods such as periodic moving average filter, SVD method, Wavelet Filters, FFT Filter and Adaptive Filters. The different filtering methods have been compared using SNR (Signal to Noise Ratio) values. The SNR values of SVD and AS-LMS algorithm were 2.24 and 2.39 respectively and were found to be the best signal processing methods for removal of motion artifacts in PPG signals. This new GUI has been conceived for filtering PPG signals using different signal processing methods and in making the filtering process more users friendly.
光容积脉搏波(PPG)信号提供了有价值的洞察心脏功能的无创。PPG信号的分析是一个很大的挑战,因为手指PPG传感器受到各种噪声的影响,如运动伪影、周围阳光的噪声和末端小动脉的血流。为了从PPG信号中获得可靠的测量值,对PPG信号进行各种噪声的滤波变得非常重要。各种方法,如周期移动平均滤波器、奇异值分解法、小波滤波器、FFT滤波器、自适应滤波器等,已经被不同的作者提出用于去除PPG信号的运动伪影。作为信号处理应用,所有滤波方法都是单独进行的。如果所有的滤波方法都在一个GUI下完成,将有助于比较不同的滤波方法,这也有助于研究人员轻松地过滤PPG信号中的运动伪影。在这项工作中,用MATLAB编写了不同滤波方法的代码,如周期移动平均滤波器,SVD方法,小波滤波器,FFT滤波器和自适应滤波器。使用信噪比(SNR)值对不同的滤波方法进行了比较。SVD和AS-LMS算法的信噪比分别为2.24和2.39,是去除PPG信号中运动伪影的最佳信号处理方法。这个新的GUI被设想为使用不同的信号处理方法来过滤PPG信号,并使过滤过程更加用户友好。
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引用次数: 3
A Duality Theorem for the Discrete Sine Transform - IV (DST - IV) 离散正弦变换的对偶定理- IV (DST - IV)
Sanjay Jain
This paper presents a new property called the Duality Theorem for the Discrete Sine Transform - IV (DST - IV). Discrete Sine Transform - IV is a finite duration discrete transform. This transform is mathematically related to the famous Discrete Fourier Transform (DFT) and is used in Image Processing applications, but it is surprising that it has escaped attention from pure mathematicians. Most of the properties of the Discrete Sine Transform - IV are quite similar to those of the DFT and Discrete Cosine Transform (DCT) although some differences persist. A formal derivation of the Duality Theorem for the Discrete Sine Transform - IV is presented which was hitherto not mentioned or derived in the literature. The Duality Theorem finds application in the computation of the discrete time - domain function from the DST - IV frequency domain and vice versa thereby reducing considerable labour involved in the evaluation of the summation and thus results in the saving of computation time and implementation cost significantly. Its usage can be successfully exploited in the arenas of Signal Processing, Image Processing, and Communication Systems, where it is common to encounter cases involving the discrete - time and the discrete frequency signals to have the same aspect or resemblance.
本文给出了离散正弦变换- IV (DST - IV)的对偶定理。离散正弦变换- IV是一个有限持续时间的离散变换。这种变换在数学上与著名的离散傅立叶变换(DFT)有关,并用于图像处理应用,但令人惊讶的是,它没有引起纯数学家的注意。离散正弦变换- IV的大多数性质与DFT和离散余弦变换(DCT)非常相似,尽管存在一些差异。本文给出了离散正弦变换对偶定理的一个形式推导,这是迄今为止在文献中没有提到或推导过的。对偶定理在DST - IV频域离散时域函数的计算中得到了应用,反之亦然,从而减少了计算求和所涉及的大量劳动,从而大大节省了计算时间和实现成本。在信号处理、图像处理和通信系统领域,它的使用可以成功地利用,在这些领域中,通常会遇到涉及离散时间和离散频率信号具有相同方面或相似性的情况。
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引用次数: 7
Message from chairman 主席寄语
Mr R Mohanram
I am delighted to welcome you to be a constituent of the Third International Conference on Advanced Computing and Communication Systems (ICACCS 2016).
我很高兴欢迎您成为第三届先进计算与通信系统国际会议(ICACCS 2016)的成员。
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引用次数: 0
期刊
2016 3rd International Conference on Advanced Computing and Communication Systems (ICACCS)
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