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

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USB 2.0 Transceiver macrocell Interface implementation on Xilinx Vivado 在Xilinx Vivado上实现USB 2.0收发器宏单元接口
Pub Date : 2016-12-01 DOI: 10.1109/ICSPCOM.2016.7980617
Raghavendra Dwivedi, Mandeep Singh Narula
USB 2.0 Specifications are used with ASIC & their Embedded USB 2.0 support in order to enhance the USB 2.0 Peripheral development. UTMI is basically USB 2.0 Transceiver Interface which is added to library of ASIC vendors. Peripherals and IP Vendors can create their design with great ease in association with USB 2.0 interfaces, thereby minimizing time & risk of their development cycle. In this paper, Transmitter & Receiver of UTMI has been implemented on Xilinx Vivado platform and various operational aspect of the UTMI has been studied. Application Generalised USB is used for developing USB stack. Some of low or high speed USB devices in market are as follows: Optical Mouse, Key Board, Printer, Scanner, Joy Stick, Memory Stick, Flash Memory, Mobiles, and Video cameras.
USB 2.0规范与ASIC及其嵌入式USB 2.0支持一起使用,以增强USB 2.0外设的开发。UTMI基本上是usb2.0收发器接口,它被添加到ASIC供应商的库中。外设和IP供应商可以非常轻松地创建与USB 2.0接口相关的设计,从而最大限度地减少其开发周期的时间和风险。本文在Xilinx Vivado平台上实现了UTMI的发送和接收,并对UTMI的各个操作方面进行了研究。应用通用USB用于开发USB堆栈。市场上的一些低速或高速USB设备如下:光学鼠标,键盘,打印机,扫描仪,欢乐棒,记忆棒,闪存,手机和摄像机。
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引用次数: 1
2-D analytical model of surface potential for graded-channel-double-gate (GCDG) MOSFETs 梯度沟道双栅(GCDG) mosfet表面电位的二维解析模型
Pub Date : 2016-12-01 DOI: 10.1109/ICSPCOM.2016.7980622
Varun Goel, Abhay Kumar, Sidhartha Sankar Rout, Anuj Maurya, Sanjay Sharma, Sanjay Kumar
This paper presents a 2-D analytical model of surface potential for graded-channel-double-gate (GCDG) MOSFETs to discuss the benefits of incorporation of graded-channel in double-gate (DG) MOSFET. The 2-D analytical modeling is based upon the solution of Poisson's equations in channel region(s) exploring parabolic channel potential profile and excluding the effects of interface charges. The surface potential dependency on the variation of drain bias and doping is also discussed. The results obtained from the analytical model have been discussed to demonstrate the figure of merit of GCDG structure over Double Gate (DG) structure. To validate the analytical model results, the results obtained from analytical model have been compared with numerical simulation data obtained by 2-D device simulator, SILVACO ATLAS™.
本文提出了梯度沟道-双栅(GCDG) MOSFET表面电位的二维解析模型,讨论了在双栅(DG) MOSFET中加入梯度沟道的好处。二维解析模型是基于通道区域泊松方程的解,探索抛物线通道的电位分布,并排除界面电荷的影响。讨论了表面电位对漏极偏压和掺杂变化的依赖性。本文讨论了从解析模型得到的结果,以证明GCDG结构优于双栅(DG)结构。为了验证解析模型的结果,将解析模型得到的结果与二维器件模拟器SILVACO ATLAS™得到的数值模拟数据进行了比较。
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引用次数: 0
Satellite downlink communication band notched UWB antenna using uniplanar EBG structure 采用单平面EBG结构的卫星下行通信带陷波超宽带天线
Pub Date : 2016-12-01 DOI: 10.1109/ICSPCOM.2016.7980554
Naveen Jaglan, S. D. Gupta, S. Srivastava, B. Kanaujia
Ultra-Wide Band (UWB) antenna with band notch possessions by means of artificial materials is suggested. This methodology makes use of uniplanar Electromagnetic Band Gap (EBG) structure that is capacitively attached to antenna feed to accomplish band-notched designs. One of the compulsory features of uniplanar EBG structures is elimination of perpendicular vias, thus simplifying fabrication method and brands them attuned with microwave and millimetre circuits. Antenna integrated with plus shaped EBG discards the frequency band 7.25–7.75 GHz used for satellite downlink signal. Notch occurrences may be altered by varying the attaching outlines and cavities of EBG cells. The compensations of band notched antenna designs by means of uniplanar EBG structures resembling comfort of production, notch-frequency alteration and stable radiation configuration is also presented. Made-up and tested results are established to be in worthy promise with simulated ones.
提出了一种利用人工材料制造带陷波的超宽带(UWB)天线。该方法利用单平面电磁带隙(EBG)结构,该结构电容性地附着在天线馈电上,以实现带缺口设计。单平面EBG结构的一个重要特征是消除了垂直过孔,从而简化了制造方法,并使其与微波和毫米电路相调谐。与+形EBG集成的天线放弃了用于卫星下行信号的7.25-7.75 GHz频段。缺口的发生可以通过改变EBG细胞的附着轮廓和腔体而改变。本文还提出了采用生产舒适、切波频率变化和稳定辐射结构等单平面EBG结构对带缺口天线进行补偿的方法。建立和测试结果与模拟结果相吻合。
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引用次数: 3
Three input single output current mode biquad filter using single VDTA 使用单VDTA的三输入单输出电流模式双路滤波器
Pub Date : 2016-12-01 DOI: 10.1109/ICSPCOM.2016.7980611
C. Shankar, A. K. Verma, S. V. Singh, R. Sharma, R. Tomar
This paper presents a new filter structure based on single voltage differencing trans-conductance amplifier (VDTA) which is capable of realizing all five current-mode biquad filtering functions by the use of three current input signals. In addition of using single VDTA, the presented current-mode structure also employs three grounded passive elements in the form of two capacitors and one resistor and hence, the circuit is suitable for IC fabrication. Apart from these, the proposed filter also enjoys few more desirable features such as low value of sensitivities and low value of power consumption. The PSPICE based simulation results of the proposed circuit in 0.18µm CMOS process technology are included in the paper.
本文提出了一种基于单电压差跨导放大器(VDTA)的新型滤波结构,该结构可以利用三个电流输入信号实现五种电流模双路滤波功能。除了使用单个VDTA外,所提出的电流模式结构还采用了两个电容和一个电阻形式的三个接地无源元件,因此该电路适用于集成电路制造。除此之外,所提出的滤波器还具有低灵敏度值和低功耗值等一些更理想的特性。文中给出了该电路在0.18µm CMOS工艺下基于PSPICE的仿真结果。
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引用次数: 2
Performance analysis of linear precoders and SVD in downlink MassiveMIMO Frequency selective channels 下行海量emimo选频信道中线性预编码器和奇异值分解的性能分析
Pub Date : 2016-12-01 DOI: 10.1109/ICSPCOM.2016.7980564
Goli Srikanth, Vijay Kumar Chakka
3G/4G wireless systems employed multiple antennas at both the transmitter and receiver offered significant gains over single-antenna systems. MassiveMIMO (MM) is one of the 5G technologies, which supports to increase the demand for high speed data, capacity, energy efficiency and spectral efficiency. It is known that space-time multiplexing and/or coding offer attractive means of combating fading and increases the capacity in a multi-antenna communication. In this paper, MM downlink scenario is considered. Performance analysis using conventional precoders like Matched Filter (MF), Zero Forcing (ZF), Regularized Beamforming (RBF) and Minimum Mean Square Error (MMSE) with Singular Value Decomposition (SVD) based balanced equalizer are studied in spatio-temporal environment. Signal to Interference Ratio (SINR) and Bit-Error Rate (BER) are used as performance measures. Monte-Carlo simulations are carried out to compute BER and SINR in MATLAB.
3G/4G无线系统在发射器和接收器上都采用了多个天线,与单天线系统相比,效果显著。massive emimo (MM)是5G技术之一,它支持增加对高速数据、容量、能源效率和频谱效率的需求。众所周知,时空复用和/或编码提供了对抗衰落和增加多天线通信容量的有吸引力的手段。本文考虑了MM下行场景。研究了基于匹配滤波(MF)、零强迫(ZF)、正则波束形成(RBF)和最小均方误差(MMSE)和基于奇异值分解(SVD)的平衡均衡器等传统预编码器在时空环境下的性能分析。信号干扰比(SINR)和误码率(BER)作为性能指标。在MATLAB中进行蒙特卡罗仿真,计算误码率和信噪比。
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引用次数: 2
Speckle noise reduction in medical ultrasound images using coefficient of dispersion 利用色散系数降低医学超声图像中的斑点噪声
Pub Date : 2016-12-01 DOI: 10.1109/ICSPCOM.2016.7980577
Amit Garg, Vineet Khandelwal
The major issue that occurs in medical ultrasound (US) imaging is speckle noise, as it degrades the diagnostic quality of images. In this paper, a new method based on the combination of bilateral filter and detail preserving anisotropic diffusion (DPAD) is presented. This combination works on the basis of information obtained as binary classifier map (BCM). A BCM is generated comparing local coefficient of dispersion (CoD) estimated using moving window with the one obtained from a selected homogeneous region. Experiments were conducted on a synthetic kidney US image and a real prostate US image. Results are obtained for proposed method and are compared with the other methods. Objective quality assessment of the proposed method is evaluated on the basis of parameters PSNR, SNR and EKI. The obtained results show the superiority of proposed method over the existing methods.
医学超声成像中的主要问题是斑点噪声,因为它会降低图像的诊断质量。提出了一种基于双边滤波和保持细节的各向异性扩散(DPAD)相结合的方法。这种组合基于获得的信息作为二进制分类器映射(BCM)。将移动窗口估计的局部色散系数(CoD)与选择的均匀区域得到的色散系数进行比较,生成BCM。实验分别在合成肾脏和真实前列腺超声图像上进行。给出了该方法的计算结果,并与其他方法进行了比较。基于PSNR、SNR和EKI参数对所提方法进行了客观质量评价。计算结果表明,该方法优于现有方法。
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引用次数: 12
Adaptive congestion control mechanism in CoAP Application Protocol for Internet of Things (IoT) 物联网CoAP应用协议中的自适应拥塞控制机制
Pub Date : 2016-12-01 DOI: 10.1109/ICSPCOM.2016.7980560
R. Hassan, Ahmed Mahdi Jubair, K. Azmi, A. Bakar
The Internet of things (IoT) presents the future of internet by incorporating objects to communicate with themselves. Different protocols have been emerged to meet the requirements of limited resource objects of IoT. Constrained Application Protocol (CoAP) is the application protocol which is used in IoT communication stack is prone to performance degradation resulted from traffic congestion. Basic congestion control suffers from different shortages and problems which lead to bandwidth consumption, data loss and increased delay. In this paper, a new adaptive congestion control mechanism to enhance performance has been proposed to overcome basic congestion control issues.
物联网(IoT)通过将物体与自己进行通信来展示互联网的未来。为了满足物联网有限资源对象的需求,出现了不同的协议。约束应用协议(CoAP)是物联网通信栈中使用的应用协议,易因流量拥塞而导致性能下降。基本拥塞控制面临着不同的不足和问题,导致带宽消耗、数据丢失和延迟增加。本文提出了一种新的自适应拥塞控制机制来提高性能,以克服基本的拥塞控制问题。
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引用次数: 23
Spectrum sensing using envelope tracking and signal moment 基于包络跟踪和信号矩的频谱传感
Pub Date : 2016-12-01 DOI: 10.1109/ICSPCOM.2016.7980632
D. K. Sunil, S. L. Sabat
Spectrum sensing is one of the major component of the cognitive radio architecture. Energy Detection (ED) and Covariance Absolute Value(CAV) are well known algorithms for spectrum sensing. However, CAV is efficient for sensing correlated signals whereas ED suffers from SNR Wall limitation. In this paper, we propose an M4-Edge algorithm to overcome the limitations of CAV and ED algorithms. The proposed algorithm tracks the envelope of the signal burst, of the primary user, in the time domain. The fourth central moment of the envelope is evaluated and compared with a threshold to detect the rising and falling edges of the burst and hence detecting the presence of signal. Further, the algorithm is implemented on a Xilinx Vertex 6 Field Programmable Gate Array development board for evaluating its real time performance. In the real time, the performance of the proposed algorithm is compared with ED and CAV algorithm by cosidering both BFSK and DVBT signal corrupted by Additive White Gaussian Noise (AWGN) and flat fading, as the Primary user signal to be sensed. The probability of detection, sensing time and resource utilisation are used as the metrics for measuring the efficiency of the algorithms. The sensing time for all three algorithms vary between 2 to 4 milliseconds within their SNR capability envelopes. The FPGA resource utilization is lowest for ED and highest for M4-Edge algorithm. The proposed algorithm outperforms ED and has equivalent performance to CAV in Signal-to-Noise-Ratio (SNR) range of −12 to +10 dB. The proposed algorithm has the additional benefit that it performs well when the signal is not correlated. The experimental results reveal that, in the case of the (Digital Video Broadcast Terrestrial) DVBT signal, the proposed M4-Edge algorithm detects the signal with probability of detection 0.9 at −12dB SNR, whereas CAV algorithm fails to detect, due to lack of correlation in the signal.
频谱感知是认知无线电体系结构的重要组成部分之一。能量检测(ED)和协方差绝对值(CAV)是频谱感知中比较有名的算法。然而,CAV在检测相关信号方面是有效的,而ED则受到信噪比墙的限制。本文提出了一种M4-Edge算法来克服CAV和ED算法的局限性。该算法在时域内跟踪主用户突发信号的包络。对包络线的第四个中心矩进行评估并与阈值进行比较,以检测突发的上升沿和下降沿,从而检测信号的存在。此外,在Xilinx Vertex 6现场可编程门阵列开发板上实现了该算法,以评估其实时性能。在实时情况下,将受加性高斯白噪声(AWGN)破坏的BFSK和DVBT信号作为待检测的主要用户信号,与ED和CAV算法进行性能比较。检测概率、感知时间和资源利用率是衡量算法效率的指标。在其信噪比能力范围内,所有三种算法的传感时间在2到4毫秒之间变化。ED的FPGA资源利用率最低,M4-Edge算法的FPGA资源利用率最高。在信噪比(SNR)为- 12 ~ +10 dB的范围内,该算法优于ED,性能与CAV相当。该算法还具有在信号不相关时性能良好的优点。实验结果表明,对于(数字视频广播地面)DVBT信号,在信噪比为- 12dB时,M4-Edge算法检测到信号的概率为0.9,而CAV算法由于信号缺乏相关性而无法检测到信号。
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引用次数: 1
Extracted LC model of mono-pole antenna with T-slot for UWB application 提取了用于超宽带的t型槽单极天线的LC模型
Pub Date : 2016-12-01 DOI: 10.1109/ICSPCOM.2016.7980552
Manoj K. Garg, J. Saini, Sandeep Kumar, B. Kanaujia, G. Mittal
In this paper, a novel approach of an extracted LC model of monopole antenna with T-slot at ground plane for ultra wide band application is proposed. For extraction of LC model, 50Ω matching between dielectric component and semi conducting at ground plane where T-slot is embedded is done. The monopole with T-slot antenna achieves wide band of 2.1GHz to 11GHz while extracted LC model is 2.1GHz to 10.8GHz. The antenna design is simulated and analysed in two different platforms (HFSS and ADS). Moreover, corner arc with small slits on patch provided extended bandwidth of approximately 5GHz within a range of 2.1GHz to 16.4GHz. Simulation and experimental results of this antenna shows good radiation behaviour within desired application.
本文提出了一种用于超宽带应用的t型槽单极天线提取LC模型的新方法。对于LC模型的提取,50Ω将介电元件与埋入t槽的地平面上的半导体进行匹配。t槽天线单极子实现了2.1GHz ~ 11GHz的宽带,提取的LC模型为2.1GHz ~ 10.8GHz。在HFSS和ADS两种平台上对天线设计进行了仿真分析。此外,贴片上带有小狭缝的角弧在2.1GHz至16.4GHz范围内提供了约5GHz的扩展带宽。仿真和实验结果表明,该天线具有良好的辐射性能。
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引用次数: 3
Characterization of 8T SRAM cells using 16 nm FinFET technology 使用16nm FinFET技术表征8T SRAM电池
Pub Date : 2016-12-01 DOI: 10.1109/ICSPCOM.2016.7980614
M. M, P. Chandramohan
SRAMs are faster and more reliable which are often used as memory cache in digital processors for high speed operation. Conventional 6T SRAM cell suffers from access transistor sizing conflict resulting in a trade-off between read stability and write ability. This paper presents the characterization of four 8T SRAM cell structures - Conventional 8T SRAM cell, Single Ended 8T SRAM cell, 8T SRAM cell using two conducting p-type transistors and 8T SRAM cell using transmission gate between the cross-coupled inverters using 16 nm FinFET technology at a supply voltage 0.85 V. The stability performance parameters RSNM and WSNM are analyzed. HSPICE simulation results show that FinFET based SRAM designs provide better performance compared to CMOS based SRAM designs at technology nodes below 32 nm. Conventional 8T SRAM cell provides better RSNM and WSNM of 261.81 mV and 273.58 mV compared to the other structures which either degrade RSNM or WSNM or depend on proper transistor sizing for successful operation of the SRAM cell.
sram速度更快,更可靠,通常用作数字处理器的高速运行内存缓存。传统的6T SRAM单元遭受访问晶体管尺寸冲突,导致读取稳定性和写入能力之间的权衡。本文介绍了四种8T SRAM电池结构的特性-传统8T SRAM电池,单端8T SRAM电池,使用两个导电p型晶体管的8T SRAM电池和在0.85 V电源电压下使用16 nm FinFET技术的交叉耦合逆变器之间使用传输栅极的8T SRAM电池。分析了稳定性能参数RSNM和WSNM。HSPICE仿真结果表明,在32nm以下的技术节点上,基于FinFET的SRAM设计比基于CMOS的SRAM设计提供了更好的性能。传统的8T SRAM单元提供了更好的RSNM和WSNM,分别为261.81 mV和273.58 mV,而其他结构要么降低RSNM或WSNM,要么依赖于适当的晶体管尺寸来成功运行SRAM单元。
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引用次数: 6
期刊
2016 International Conference on Signal Processing and Communication (ICSC)
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