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2016 International Conference on Signal Processing and Communication (ICSC)最新文献

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An UWB antenna design with dual band notched characteristic using U-shaped slots 一种利用u型槽实现双频段陷波特性的超宽带天线设计
Pub Date : 2016-12-01 DOI: 10.1109/ICSPCOM.2016.7980626
Aanchal Sharma, M.M. Sharma
A rectangular and planar Ultra-wide band (UWB) antenna with dual band notched characteristic is proposed using two U-shaped slots on radiating patch is discussed and presented in this paper. The proposed design uses one inverted U-shaped slot inside another U Slot with beveled corners on the radiating microstrip patch antenna. In this design, microstrip fed is utilized along with partial ground plane. This antenna may be utilized for frequency ranging from 2.897 to 10.700 GHz with dual band notching ranging from 3.340 to 4.123 GHz and 4.564 to 6.372 GHz respectively. The VSWR is well below 2 for entire operating frequency range except for the two band rejections. The bandwidth of the proposed structure is nearly 5.212 GHz. This antenna may be utilized for applications in upper S band, C band, X band, RFID (6.6 to 7.1 GHz) ITU uplink satellite communication band (8.1–8.4 GHz) while rejecting 5.2/5.8 GHz WLAN, 3.5/5.5 GHz WiMAX and whole U-NII (Unlicensed National Information Infrastructure) (5.15 to 5.825 GHz) band. The parametric study of different parameters is discussed in detail for better return loss.
本文讨论并介绍了一种利用辐射贴片上的两个u型槽设计的具有双带陷波特性的矩形平面超宽带(UWB)天线。提出的设计在辐射微带贴片天线上使用一个倒U型槽内的另一个U型槽的斜角。在本设计中,微带馈电与部分地平面配合使用。该天线可用于频率范围为2.897至10.700 GHz,双频段陷波范围分别为3.340至4.123 GHz和4.564至6.372 GHz。除两个频带抑制外,整个工作频率范围的驻波比远低于2。该结构的带宽接近5.212 GHz。该天线可用于上S频段、C频段、X频段、RFID (6.6 ~ 7.1 GHz)、ITU上行卫星通信频段(8.1 ~ 8.4 GHz),同时拒绝5.2/5.8 GHz WLAN、3.5/5.5 GHz WiMAX和整个U-NII(无牌照国家信息基础设施)(5.15 ~ 5.825 GHz)频段。详细讨论了不同参数的参数化研究,以获得更好的回波损失。
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引用次数: 16
Significance of alpha brainwaves in meditation examined from the study of binaural beats 从双耳节拍的研究考察了α脑波在冥想中的意义
Pub Date : 2016-12-01 DOI: 10.1109/ICSPCOM.2016.7980629
Anushka Gupta, Esther Ramdinmawii, V. K. Mittal
Human brain contains of approximately 100 billion neurons. Each neuron communicates with few ten thousands of other neurons in order to carry messages in the brain. Significant electrical activity is produced in the brain over synaptic joints of such neurons sending signals at very low frequencies below (50 Hz), thereby forming the brainwave pattern. The brainwaves are categorized as delta, theta, alpha and beta, as per different frequency ranges. In this paper, the effect of binaural beats on human mind is presented. Alpha binaural beats of 10 Hz are produced by creating the auditory illusion of 10 Hz in the brain by playing the binaural beats of 370 Hz and 380 Hz for left and right ear respectively. Binaural beats are effective only when heard through an earphone. In order to examine the effects of binaural beats on human brain, 10 people are subjected to these beats for 3 minutes. Using Matlab, the attention level and meditation levels are measured by alpha brainwaves, and the comparison graphs are plotted. Relative comparison is carried out for each persons state while listening to the binaural beats. This study provides scientific evidences for the common perception that alpha binaural beats and thus music can help a person in achieving a relaxed state of mind i.e., meditative state in a better way.
人类的大脑包含大约1000亿个神经元。为了在大脑中传递信息,每个神经元与其他几万个神经元进行交流。这些神经元的突触关节以低于(50赫兹)的极低频率发送信号,从而形成脑电波模式,在大脑中产生显著的电活动。脑电波根据不同的频率范围分为delta, theta, alpha和beta。本文介绍了双耳节拍对人的思维的影响。10赫兹的阿尔法双耳节拍是通过左耳370赫兹和右耳380赫兹的双耳节拍在大脑中产生10赫兹的听觉错觉而产生的。双耳节拍只有在通过耳机听到时才有效。为了研究双耳节拍对人类大脑的影响,10个人接受了3分钟的双耳节拍。利用Matlab软件,通过α脑电波测量受试者的注意力水平和冥想水平,并绘制出对比图。在听双耳节拍时,对每个人的状态进行相对比较。这项研究为人们的普遍看法提供了科学证据,即阿尔法双耳节拍和音乐可以帮助人们更好地达到放松的精神状态,即冥想状态。
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引用次数: 12
Design of nano scale CMOS full adder with low leakage and ground bounce noise reduction 具有低漏损和地反射噪声抑制的纳米级CMOS全加法器的设计
Pub Date : 2016-12-01 DOI: 10.1109/ICSPCOM.2016.7980610
C. Goyal, J. S. Ubhi, B. Raj
As the technology is continuously scaled down towards nano scale regime, several techniques related to optimization of the leakage power dissipation is presented recently in the research papers. Transistor gating is a very effective way to reduce leakage power, but this technique is having a limitation, when circuit transits from sleep to active mode, it produces the large voltage fluctuations on ground terminal because of the residual charge stored during the sleep mode. These fluctuations are referred to as ground bounce noise (GBN), It disturbs the normal operation of the circuit due to the disturbance in the logic states in the internal nodes which reduces reliability of the circuit. GBN is the serious problem in ultra-deep submicron technology because it can change the logic level of the internal nodes. In this paper we have presented an effective and reliable sleep circuit to reduce the problem of GBN, The new circuit uses three NMOS transistors and one PMOS transistor. To test the efficacy of the proposed sleep circuit, one bit conventional full adder is tested with extensive post layout simulations at 45nm technology. Result shows that it reduces the leakage power, approximately 99% and GBN reduces approximately 57.4% as compared to the existing sleep circuits.
随着该技术不断向纳米级方向发展,近年来出现了几种与泄漏功耗优化有关的技术。晶体管门控是一种非常有效的降低漏功率的方法,但该技术存在局限性,当电路从休眠模式过渡到有源模式时,由于在休眠模式中存储的剩余电荷,会在地端产生较大的电压波动。这些波动被称为地弹跳噪声(GBN),它是由于内部节点的逻辑状态受到干扰而干扰电路的正常工作,从而降低了电路的可靠性。GBN可以改变内部节点的逻辑电平,是超深亚微米技术中的一个重要问题。本文提出了一种有效可靠的睡眠电路来减少GBN问题,该电路采用三个NMOS晶体管和一个PMOS晶体管。为了测试所提出的睡眠电路的有效性,采用45纳米技术进行了广泛的后布局模拟,测试了一位传统的全加法器。结果表明,与现有睡眠电路相比,该电路的漏功率降低了约99%,GBN降低了约57.4%。
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引用次数: 3
Analysis of area spectral efficiency and energy efficiency based on RSS-threshold in Device-to-Device-communication 基于rss阈值的设备间通信区域频谱效率和能量效率分析
Pub Date : 2016-12-01 DOI: 10.1109/ICSPCOM.2016.7980538
Abhinav Yadav, A. Trivedi
Device-to-Device (D2D)-communication is a promising way to improve area spectral efficiency (ASE), energy efficiency (EE) and mitigate traffic load of base station (BS). In this paper, received signal strength (RSS)-threshold approach is presented to analyze ASE and EE of D2D users in cellular networks. A mobile user equipment (UE) will choose to work in cellular mode only if RSS from nearest BS is greater than a minimum threshold β. Otherwise, it will work in D2D mode and choose to be either transmitter or receiver. A system model is used to analyze the ASE where BSs and UEs are distributed using stochastic geometry. Multichannel environment (set of N channels) is considered with Rayleigh fading. We derive closed form expressions for ASE. EE is derived using basic definition. Numerical results show that ASE increases with RSS-threshold β and number of channels |N|, and decreases with Signal-to-Interference power ratio (SIR) threshold θ. Similar nature is shown by energy efficiency.
设备对设备(D2D)通信是提高区域频谱效率(ASE)、能源效率(EE)和减轻基站(BS)通信量负荷的一种很有前途的方式。本文提出了一种接收信号强度阈值方法来分析蜂窝网络中D2D用户的ASE和EE。移动用户设备(UE)只有在来自最近基站的RSS大于最小阈值β时才会选择以蜂窝模式工作。否则,它将在D2D模式下工作,并选择作为发射器或接收器。采用系统模型对系统进行了分析,系统模型采用随机几何的方法对系统中的BSs和ue进行了分布。考虑了瑞利衰落的多信道环境(N个信道集)。我们导出了ASE的封闭形式表达式。EE是根据基本定义推导出来的。数值结果表明,ASE随rss阈值β和信道数|N|增大而增大,随信干扰功率比(SIR)阈值θ减小而减小。能源效率也显示出类似的性质。
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引用次数: 3
Comparison of blood vessel detection techniques in low quality and pathological retinal images 低质量和病理视网膜图像血管检测技术的比较
Pub Date : 2016-12-01 DOI: 10.1109/ICSPCOM.2016.7980591
Manish Kumar Aggarwal, V. Khare
An automatic blood vessel segmentation is considered as important due to the presence of similar properties between blood vessels and the early stage pathologies (i.e. Microaneurysm and hemorrhages) in retinal diseases [1,2]. Blood vessel segmentation is considered as a challenging task, if a retinal images having inadequate contrast, lightning variations, and different pathologies like exudates. In literature, there is a number of blood vessel segmentation algorithms exist, but they are not compared on similar datasets and thus, it is difficult to choose which one is best. In this paper, we have implemented five different blood vessel segmentation techniques based on Gaussian matched filter [4], edge based techniques [5,8] (Sobel, Prewitt and Kirsch) and entropy based thresholding [6] technique and compare them on similar datasets with low quality and pathological retinal images. Secondly, in low quality images, most of the pixels have lost their color intensity information and considered as noise. In order to retrieve their color information of pixels, initial pre-processing is needed. Thus, a different pre-processing approach includes mask generation and contrast enhancement to retrieve the pixel information are proposed in retinal images and compared. The results obtained are verified broadly on two publicly available standard datasets DIARETDB0 and STARE dataset comprises of 211 retinal images.
由于血管与视网膜疾病的早期病变(如微动脉瘤和出血)之间存在相似的特性,因此自动血管分割被认为是重要的[1,2]。血管分割被认为是一项具有挑战性的任务,如果视网膜图像对比度不足,闪电变化,不同的病理,如渗出物。在文献中,存在许多血管分割算法,但它们没有在相似的数据集上进行比较,因此很难选择哪种算法是最好的。在本文中,我们实现了基于高斯匹配滤波[4]、基于边缘的技术[5,8](Sobel, Prewitt和Kirsch)和基于熵的阈值分割[6]技术的五种不同的血管分割技术,并在具有低质量和病理视网膜图像的相似数据集上对它们进行了比较。其次,在低质量图像中,大部分像素失去了颜色强度信息,被认为是噪声。为了检索像素的颜色信息,需要进行初始预处理。因此,提出了一种不同的预处理方法,包括掩模生成和对比度增强,以检索视网膜图像中的像素信息,并进行了比较。得到的结果在两个公开可用的标准数据集DIARETDB0和STARE数据集上得到了广泛的验证,这些数据集包括211张视网膜图像。
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引用次数: 0
PAPR reduction of coded OFDM system using low complexity PTS 利用低复杂度PTS降低编码OFDM系统的PAPR
Pub Date : 2016-12-01 DOI: 10.1109/ICSPCOM.2016.7980576
A. Joshi, S. Bali, H. Tiwari
For achieving high throughput OFDM (orthogonal frequency division multiplexing) is a good technique for parallel transmission of information at improved rate. Two important areas of concern with OFDM especially in fading environments are less BER (bit error rate) and large value of PAPR. Channel coding combined with OFDM system such as Turbo codes increase the error correction capabilities of the system thus improving BER performance of un-coded OFDM system. High PAPR (peak to average power ratio) increase the circuit complexity and cost of high power amplifier (HPA) used in the system. Partial transmit sequence (PTS) is the good probabilistic scrambling technique which is most preferred for PAPR reduction. In this paper a Turbo coded OFDM scheme with Modified PTS using Riemann sequences and post clipping-filtering is used. The BER efficiency of the coded OFDM system with un-coded OFDM and PAPR efficiency of modified PTS with conventional PTS is compared and excellence of the proposed system in terms of BER and PAPR is justified. For implementation of COFDM system IEEE 802.11a standard is used.
为了实现高吞吐量,正交频分复用(OFDM)是一种很好的以提高速率并行传输信息的技术。OFDM技术在衰落环境下的两个重要问题是低误码率和大的PAPR值。信道编码与OFDM系统相结合,如Turbo码,增加了系统的纠错能力,从而提高了非编码OFDM系统的误码率性能。高峰值平均功率比增加了系统中使用的高功率放大器(HPA)的电路复杂性和成本。部分发射序列(PTS)是一种较好的概率置乱技术,是降低PAPR的首选方法。本文采用了一种基于黎曼序列和后滤波的改进PTS Turbo编码OFDM方案。比较了编码OFDM系统与非编码OFDM系统的误码率效率和改进PTS与传统PTS的PAPR效率,证明了所提系统在误码率和PAPR方面的优越性。COFDM系统的实现采用IEEE 802.11a标准。
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引用次数: 2
Two element MIMO antenna using Substrate Integrated Waveguide (SIW) horn 采用基板集成波导(SIW)喇叭的双单元MIMO天线
Pub Date : 2016-12-01 DOI: 10.1109/ICSPCOM.2016.7980633
Tanvi Agrawal, S. Srivastava
This paper presents a two element Multiple Input Multiple Output (MIMO) system based on H-plane horn antenna. Surface Integrated Waveguide technology has been used in order to increase the isolation between antenna elements. The antenna operates at 3.8 GHz and has a gain of 7.92 dB, which make it suitable for wireless communication application. This antenna takes advantage of both MIMO systems and SIW. MIMO system provides high data rate with diversity performance while SIW technology makes it compact and planar.
提出了一种基于h面喇叭天线的双元多输入多输出(MIMO)系统。为了提高天线元件之间的隔离度,采用了表面集成波导技术。该天线工作频率为3.8 GHz,增益为7.92 dB,适合无线通信应用。这种天线同时利用MIMO系统和SIW。MIMO系统提供了高数据速率和分集性能,而SIW技术使其结构紧凑、平面化。
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引用次数: 4
Physical layer based error resilient H.264/AVC coded video over wireless networks 基于物理层的无线网络H.264/AVC编码视频容错
Pub Date : 2016-12-01 DOI: 10.1109/ICSPCOM.2016.7980594
Mohd Ayyub Khan, A. A. Moinuddin, E. Khan
This paper investigates the capabilities of Hierarchical Quadrature Amplitude Modulation (HQAM) to provide Unequal Error Protection (UEP) to H.264/AVC encoded video bitstream. The UEP is based on the asymmetrical error sensitivity of the coded bitstream and exploits data partitioning mode of H.264/AVC to provide protection to their sensitivity to channel errors. The more important bits called High Priority (HP) bits and less important bits called Low Priority (LP) bits are mapped to asymmetrical constellation of 16-HQAM such that HP bits are protected more than LP bits. The AWGN (Additive White Gaussian Noise) channel is exploited to evaluate the performance of the proposed system. The simulation results show that the proposed scheme provides noticeable improvement at poor channel conditions.
本文研究了层次正交调幅(HQAM)为H.264/AVC编码视频比特流提供不平等错误保护(UEP)的能力。UEP基于编码码流的非对称错误敏感性,利用H.264/AVC的数据分区模式来保护其对信道错误的敏感性。较重要的位称为高优先级(HP)位和较不重要的位称为低优先级(LP)位被映射到16-HQAM的不对称星群中,这样HP位比LP位受到更多的保护。利用加性高斯白噪声(AWGN)信道来评估系统的性能。仿真结果表明,该方案在较差的信道条件下具有明显的改善效果。
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引用次数: 0
Mutual coupling analysis of dielectric coated microstrip antennas mounted on the cylindrical surface with varying inter element spacing 不同单元间距圆柱面上介质涂层微带天线的相互耦合分析
Pub Date : 2016-12-01 DOI: 10.1109/ICSPCOM.2016.7980556
P. Singh, J. Saini
Microstrip patch antenna in wireless communication is gaining importance as powerful technological trend. This paper presents design and simulation of a dielectric coated rectangular microstrip patch array antenna conformed to the cylindrical surface for many wireless applications. The conformal rectangular microstrip patch antenna array is analyzed using HFSS and also made a comparison by varying the inter element spacing between the two antenna element which shows interesting results of mutual coupling, return loss etc. Also, the obtained results of mutual coupling between the two element patch antennas arrange in E-plane configuration gives better result than H-plane configuration.
微带贴片天线作为一种强大的技术趋势,在无线通信中越来越受到重视。本文设计并仿真了一种适用于多种无线应用的符合圆柱面的介质涂层矩形微带贴片阵列天线。利用HFSS对共形矩形微带贴片天线阵列进行了分析,并通过改变两个天线单元间的间距进行了比较,得到了相互耦合、回波损耗等有趣的结果。两单元贴片天线在e平面布置时的相互耦合效果优于h平面布置。
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引用次数: 1
Use of low frequency RFID to combat cattle rustling at Indian borders 使用低频射频识别技术打击印度边境的偷牛行为
Pub Date : 2016-12-01 DOI: 10.1109/ICSPCOM.2016.7980569
Vipul D Sahni, Shivaji Tyagi
This paper examines a viable solution to diminish the present trend of rustling and transporting of cattles from throughout India for trade, along the border between Indias West Bengal and Bangladesh. This paper describes how Radio Frequency IDentification (RFID) technology can be designed and implemented to address this menace. The proposed system provides for tagging of individual cattle, identification and information management system supported by a centralized database management system and rapid communications. Upon Implementation, the proposed system allows identification of cattle details remotely, using low frequency RFID transceivers and tags along with GSM devices and modules for real time communication. This system will aid the BSF army men deployed in the region by providing a comprehensive framework to halt cattle smuggling across borders by providing the accurate details of the disputed cattles namely their owners details, District/Taluka, Breed, Age, Emergency contact number of the breeder etc, which provides the Army as well as breeder with secure and definitive system.
本文探讨了一种可行的解决方案,以减少目前沿印度西孟加拉邦和孟加拉国之间的边界,从印度各地走私和运输用于贸易的牛的趋势。本文描述了如何设计和实施射频识别(RFID)技术来解决这一威胁。拟议的系统提供单个牛的标记、鉴定和由中央数据库管理系统和快速通信支持的信息管理系统。在实施过程中,建议的系统允许远程识别牛的细节,使用低频RFID收发器和标签以及GSM设备和模块进行实时通信。该系统将为部署在该地区的边境安全部队士兵提供一个全面的框架,通过提供有争议牛的准确细节,即其主人的详细信息、地区/Taluka、品种、年龄、饲养员的紧急联系电话等,来阻止跨境走私,从而为军队和饲养员提供安全可靠的系统。
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引用次数: 0
期刊
2016 International Conference on Signal Processing and Communication (ICSC)
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