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2016 IEEE Asia Pacific Conference on Circuits and Systems (APCCAS)最新文献

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Closed-loop transfer functions and frequency-point spectrum simulation of CCM buck converters CCM降压变换器的闭环传递函数及频点频谱仿真
Pub Date : 2016-10-01 DOI: 10.1109/APCCAS.2016.7804069
W. Ki, Lin Cheng, Chenchang Zhan
State-space averaging and perturbation analysis is systematically applied to compute the open-loop and closed-loop transfer matrices (Tol and Tcl) of switching converters working in continuous conduction mode. The power supply rejection function, input impedance and output impedance can be read off directly from Tcl. A circuit-level simulation method, the frequency-point spectrum simulation, is proposed that resembles the actual spectrum measurement procedure to verify the analytical results.
系统地应用状态空间平均和摄动分析方法计算了工作在连续导通模式下的开关变换器的开环和闭环传递矩阵Tol和Tcl。电源抑制功能,输入阻抗和输出阻抗可以直接从Tcl中读出。提出了一种类似实际频谱测量过程的电路级仿真方法——频点频谱仿真来验证分析结果。
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引用次数: 1
Dark current analysis of P-type and N-type pixels under total ionizing dose radiation effects 总电离剂量辐射效应下p型和n型像元的暗电流分析
Pub Date : 2016-10-01 DOI: 10.1109/APCCAS.2016.7804013
R. Zheng, Jia Wang
In this paper, a custom-designed CMOS image sensor (CIS) is proposed with N-type and P-type pixels fabricated on one chip. A Co radiation experiment is implemented on the proposed CIS chip. Measurement results shows that the P-type pixels have good total ionizing dose (TID) radiation tolerance with less radiation induced dark current compared with N-type pixels. But the dark current nonuniformity of P-type pixels is observed to be enhanced more than N-type ones by TID radiation effect.
本文提出了一种基于n型和p型像素的定制CMOS图像传感器(CIS)。在所提出的CIS芯片上进行了Co辐射实验。测量结果表明,与n型像元相比,p型像元具有较好的总电离剂量(TID)辐射耐受性,且辐射诱导暗电流较小。但在TID辐射作用下,p型像元的暗电流不均匀性明显强于n型像元。
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引用次数: 0
Self-contained built-in-self-test/repair transceivers for interconnects in 3DICs 用于3dic互连的独立内置自检/修复收发器
Pub Date : 2016-10-01 DOI: 10.1109/APCCAS.2016.7804061
M. Aung, T. T. Kim
In this paper, we propose self-contained built-in-self-test/repair (BIST/R) solutions to improve the reliability of the direct face-to-face copper thermo-compression bonding A dual-mode transceiver is presented to operate either as an ohmic mode when the bonding has low resistance or as a capacitive coupling mode when the bonding is faulty showing high resistance.
在本文中,我们提出了自包含的内置自检/修复(BIST/R)解决方案,以提高直接面向铜热压缩键合的可靠性。提出了双模收发器,当键合具有低电阻时作为欧姆模式工作,当键合故障时作为电容耦合模式工作,显示高电阻。
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引用次数: 0
FPGA-based real-time lane detection for advanced driver assistance systems 基于fpga的高级驾驶辅助系统实时车道检测
Pub Date : 2016-10-01 DOI: 10.1109/APCCAS.2016.7803937
Seokha Hwang, Youngjoo Lee
This paper presents an FPGA based real-time lane detection system for automotive applications. To reduce the computational complexity, the conventional Canny-Hough lane detection algorithm is modified for achieving the real-time processing. The prototype design is realized by using the commercialized FPGA platform and the processing rate is enhanced by 41% compared to the previous detection algorithm.
提出了一种基于FPGA的汽车车道实时检测系统。为了降低计算复杂度,对传统的Canny-Hough车道检测算法进行了改进,实现了实时处理。利用商业化的FPGA平台实现了原型设计,处理速率比之前的检测算法提高了41%。
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引用次数: 12
A 0.6-V power efficient digital LDO with 99.7% current efficiency utilizing load current aware clock modulation for fast transient response 具有99.7%电流效率的0.6 v高效数字LDO,利用负载电流感知时钟调制实现快速瞬态响应
Pub Date : 2016-10-01 DOI: 10.1109/APCCAS.2016.7803907
K. G. Jayaraman, Karim Rawy, T. T. Kim
This paper describes a fully integrated, low voltage digital low-dropout voltage (DLDO) regulator for ultra-low power applications with a load current aware clock modulation scheme. The proposed DLDO uses a clock modulation technique that provides a fast transient response during load state transitions. The proposed clock modulation (CM) controls the clock frequency when it senses a sudden load current transition. This eliminates the tradeoff between transient time and power efficiency with a fixed clock frequency. Thus, it minimizes the transient response time and maximizes the power and current efficiency. The proposed DLDO operates at 0.6 V and generates 0.55 V output voltage. A test chip is fabricated using 65-nm CMOS technology and demonstrates the current efficiency of 99.7% with the load current from 10 μA to 200 μA with and the quiescent current of 0.9 μA.
本文介绍了一种完全集成的低压数字低降电压(DLDO)稳压器,用于具有负载电流感知时钟调制方案的超低功耗应用。提出的DLDO使用时钟调制技术,在负载状态转换期间提供快速的瞬态响应。提出的时钟调制(CM)控制时钟频率,当它检测到一个突然负载电流转换。这消除了瞬态时间和功率效率与固定时钟频率之间的权衡。因此,它最大限度地减少了瞬态响应时间,最大限度地提高了功率和电流效率。该DLDO工作电压为0.6 V,输出电压为0.55 V。在负载电流为10 μA ~ 200 μA,静态电流为0.9 μA的情况下,采用65 nm CMOS工艺制作了测试芯片,测试结果表明,电流效率为99.7%。
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引用次数: 1
Mobility patterns of human population among university campuses 大学校园人口流动模式研究
Pub Date : 2016-10-01 DOI: 10.1109/APCCAS.2016.7803893
Shu-Min Zhang, Xiang Li
Uncovering human mobility patterns is of vital importance to the widely practical applications ranging from urban planning to epidemic controlling. Although numerous previous studies regarding human mobility patterns have been carried out to statistically characterize the dynamics of human mobility in both empirical analysis and modelling approach, research on the level of driving factors of mobility behaviors is still limited. In this paper, we focus on two types of human mobility behaviors which are Non-Spontaneous Mobility and Spontaneous Mobility, respectively. Based on the Wi-Fi access records collected from a university campus, statistical distinctions have been uncovered between these two types of mobility behaviors, where non-spontaneous mobility behaviors display a less heterogeneous but more periodic pattern with a smaller activity range, suggesting the necessity of embedding these two types of behaviors when modelling human mobility.
揭示人类流动模式对于从城市规划到流行病控制的广泛实际应用至关重要。尽管已有大量关于人口流动模式的研究,通过实证分析和建模方法对人口流动动态进行了统计表征,但对人口流动行为驱动因素水平的研究仍然有限。本文主要研究了两种类型的人类流动行为:非自发流动和自发流动。基于某大学校园Wi-Fi接入记录,发现了这两种移动行为之间的统计差异,其中非自发移动行为表现出较少的异质性,但更具周期性,活动范围较小,表明在建模人类移动时嵌入这两种行为的必要性。
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引用次数: 2
Design of 5.5GHz LC oscillator using distributed grid of N-well in P-substrate inductor 基于p衬底n阱分布式栅格电感的5.5GHz LC振荡器设计
Pub Date : 2016-10-01 DOI: 10.1109/APCCAS.2016.7803949
S. A. E. A. Rahim, A. Barakat, R. Pokharel
This paper presents the design of low noise LC oscillator that employs an enhanced inductor, where a distributed grid of N-well in P-substrate of the inductor was design to improve the quality factor of the inductor, therefore improves the phase noise of the oscillator. The electromagnetic (EM) simulation shows that the total equivalent resistance of an inductor is reduced, which results in a higher quality factor. A 5.5GHz cross-coupled CMOS LC oscillator is designed by using this new inductor. Based on the simulation results, the oscillator shows an improvement of 0.7 dBc/Hz in phase noise at 1MHz offset from the carrier, which results a FOM of 189.
本文设计了一种采用增强型电感的低噪声LC振荡器,在电感的p基板上设计了n阱分布网格,提高了电感的品质因数,从而改善了振荡器的相位噪声。电磁仿真结果表明,减小了电感的总等效电阻,提高了电感的质量因数。利用这种新型电感设计了一个5.5GHz交叉耦合CMOS LC振荡器。仿真结果表明,在与载波偏移1MHz时,振荡器的相位噪声提高了0.7 dBc/Hz, FOM为189。
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引用次数: 0
Implementation of a resource-constrained ECC processor with power analysis countermeasure 具有功率分析对策的资源受限ECC处理器的实现
Pub Date : 2016-10-01 DOI: 10.1109/APCCAS.2016.7803934
Zilong Liu, Dongsheng Liu, X. Sun, X. Zou, Hui Lin
Several hardware implementations of elliptic curve cryptography have been recently proposed for resource-constrained applications but few of them considered the power analysis countermeasures. In this paper, a new modular multiplication with zero-value attack countermeasure is proposed. The Montgomery ladder algorithm and randomized projective coordinates method are used to resist simple power analysis and differential power analysis. The circular shift register has been adopted to reduce the area. The overall design has been implemented in binary field. 16.5K Gate Equivalent (GE) area is needed and 10.8ms is required for one scalar point multiplication at 13.56MHz. The implementation result shows that the proposed ECC processor achieves power analysis resistance with low resource cost.
针对资源受限的应用,最近提出了几种椭圆曲线加密的硬件实现,但很少考虑功率分析对策。提出了一种新的模乘法零值攻击对抗方法。采用Montgomery阶梯算法和随机投影坐标法抵制简单幂次分析和微分幂次分析。采用了圆形移位寄存器来减小面积。总体设计已在二进制领域实现。需要16.5K栅极等效(GE)面积,在13.56MHz下进行一个标量点乘法需要10.8ms。实现结果表明,所提出的ECC处理器以较低的资源成本实现了抗功耗分析能力。
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引用次数: 2
A 0.9V, 3.1–10.6 GHz CMOS LNA with high gain and wideband input match in 90 nm CMOS process 一个0.9V, 3.1-10.6 GHz的CMOS LNA,具有高增益和宽带输入匹配的90 nm CMOS工艺
Pub Date : 2016-10-01 DOI: 10.1109/APCCAS.2016.7804079
S. Pandey, P. Kondekar, K. Nigam, D. Sharma
In this paper, a high gain and wideband input match CMOS low-noise amplifier (LNA) is presented for the ultra-wide band (UWB) application. The main novelty lies in significant improvement in bandwidth by using the inverter cell at the input node, with a peaking inductor at the gate of NMOS device. Self-forward-body-bias (SFBB) concept is also used within the inverter cell to mitigate the trade-off between input matching and power consumption. In the second stage, self bias resistive feedback circuit with the drain peaking inductor is used to increase the gain as well as output matching. Using a standard 90 nm CMOS process, the proposed LNA exhibits a peak gain of 15.3 dB at 9.4 GHz, while, it consumes 13.5 mW power from a 0.9 V supply voltage. The simulation results show S11 <−10 dB from 4.6–10.6 GHz frequency, minimum noise figure (NFmin) of 1.21–4.6 dB, output return loss −32 dB1 in the frequency range of 3.1–10.6 GHz. When a two tone test is performed with a frequency spacing of 10 MHz, a highest value of third order input intercept point (IIP3) of −3 dBm is achieved. Its other significant advantages are small group delay variation (±50 ps), and gain variation of ±1.21 dB.
本文提出了一种用于超宽带应用的高增益宽带输入匹配CMOS低噪声放大器。主要的新颖之处在于通过在输入节点使用逆变器单元,在NMOS器件的栅极处使用峰值电感器,显著提高了带宽。自正向体偏置(SFBB)概念也用于逆变器单元,以减轻输入匹配和功耗之间的权衡。在第二阶段,采用带漏极峰值电感的自偏置电阻反馈电路来提高增益和输出匹配。采用标准的90 nm CMOS工艺,该LNA在9.4 GHz时的峰值增益为15.3 dB,而在0.9 V电源电压下功耗为13.5 mW。仿真结果表明,S11在3.1 ~ 10.6 GHz的频率范围内。在频率间隔为10mhz的双音测试中,三阶输入截距(IIP3)的最大值为−3dbm。它的其他显著优点是群延迟变化小(±50 ps),增益变化为±1.21 dB。
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引用次数: 4
Depth refinement on sparse-depth images using visual perception cues 利用视觉感知线索对稀疏深度图像进行深度细化
Pub Date : 2016-10-01 DOI: 10.1109/APCCAS.2016.7803997
Muhammad Umar Karim Khan, Asim Khan, C. Kyung
Numerous depth extraction schemes cannot extract depth on textureless regions, thus generating sparse depth maps. In this paper, we propose using perception cues to improve the sparse depth map. We consider the local neighborhood as well the global surface properties of objects. We use this information to complement depth extraction schemes. The method is not scene or class specific. With quantitative evaluation, the proposed method is shown to perform better compared to previous depth refinement methods. The error in terms of standard deviation of depth has been reduced down by 60%. The computational overhead of the proposed method is also very low, making it a suitable candidate for depth refinement.
许多深度提取方案无法在无纹理区域上提取深度,从而产生稀疏的深度图。在本文中,我们提出使用感知线索来改进稀疏深度图。我们考虑了物体的局部邻域和全局表面性质。我们使用这些信息来补充深度提取方案。该方法不是特定于场景或类的。定量评价表明,该方法比以往的深度细化方法具有更好的性能。深度标准偏差的误差降低了60%。所提出的方法的计算开销也非常低,使其成为深度细化的合适候选。
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引用次数: 0
期刊
2016 IEEE Asia Pacific Conference on Circuits and Systems (APCCAS)
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