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IEEE Transactions on Circuits and Systems II: Express Briefs

Issue 2 • Feb. 2006

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Displaying Results 1 - 25 of 28
  • Table of contents

    Publication Year: 2006, Page(s): c1
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  • IEEE Transactions on Circuits and Systems—II: Express Briefs publication information

    Publication Year: 2006, Page(s): c2
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  • Design strategies of cascaded CML gates

    Publication Year: 2006, Page(s):85 - 89
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (256 KB) | HTML iconHTML

    In this paper, a strategy to design paths consisting of cascaded bipolar current-mode logic gates is proposed. In particular, explicit design criteria are derived both for low-power non-critical paths and high-speed critical paths. The analytical results are simple to be applied to actual circuits avoiding the usual time-consuming approach based on iterative simulations with a trial-and-error proc... View full abstract»

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  • Jitter requirements of the sampling clock in software radio receivers

    Publication Year: 2006, Page(s):90 - 94
    Cited by:  Papers (26)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (208 KB) | HTML iconHTML

    The effective number of bits of an analog-to-digital converter (ADC) is not only limited by the quantization step inaccuracy but also by sampling time uncertainty. According to a commonly used model, the error caused by timing jitter, integrated over the whole bandwidth, should not be bigger than the quantization noise, for a full swing input signals at the maximum input frequency. This results in... View full abstract»

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  • Critical stability constraints for discrete-time linear systems

    Publication Year: 2006, Page(s):95 - 99
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (168 KB) | HTML iconHTML

    Critical stability constraints are a small set of conditions that are enough to maintain the stability of a system when some parameters are perturbed from a nominal stable setting. The paper uses a recently introduced efficient integer-preserving (IP) form of the Bistritz test to derive critical constraints for stability of discrete-time linear systems. The new procedure produces polynomial (rathe... View full abstract»

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  • A low-power CMOS analog multiplier

    Publication Year: 2006, Page(s):100 - 104
    Cited by:  Papers (26)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (544 KB) | HTML iconHTML

    A multiplier is an important component for many analog applications. This paper presents a low power CMOS analog multiplier with performance analysis and design considerations. Experiments with SPICE simulation and results from chip testing show that this new structure has extremely low power consumption with comparable linearity and noise performance, making it very attractive for use in a variet... View full abstract»

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  • Area-efficient 2-D shift-variant convolvers for FPGA-based digital image processing

    Publication Year: 2006, Page(s):105 - 109
    Cited by:  Papers (23)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (472 KB) | HTML iconHTML

    Two-dimensional convolutions are local by nature; hence every pixel in the output image is computed using surrounding information, i.e., a moving window of pixels. Although the operation is simple, the hardware is conditioned by the fact that due to bandwidth efficiency full raster rows must be read from the external memory, and that a row-major image scan should be performed to support shift-vari... View full abstract»

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  • Integral-observer-based chaos synchronization

    Publication Year: 2006, Page(s):110 - 114
    Cited by:  Papers (36)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (208 KB) | HTML iconHTML

    In this paper, a new scheme based on integral observer approach is designed for a class of chaotic systems to achieve synchronization. Unlike the proportional observer approach, the proposed scheme is demonstrated to be effective under a noisy environment in the transmission channel. Based on the Lyapunov stability theory, a sufficient condition for synchronization is derived in the form of a Lyap... View full abstract»

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  • A novel single-stage power-factor-correction circuit with high-frequency resonant energy tank for DC-link inverters

    Publication Year: 2006, Page(s):115 - 119
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (264 KB) | HTML iconHTML

    This paper presents a novel method of power-factor correction (PFC) using a high-frequency resonant energy tank for the dc-link inverter. The proposed approach has advantages over conventional PFC techniques in terms of a lower current stress and lower switching losses. The developed PFC circuit is implemented on a series-load resonant inverter for illustrative purposes. The experimental results v... View full abstract»

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  • On Chebyshev design of linear-phase FIR filters with frequency inequality constraints

    Publication Year: 2006, Page(s):120 - 124
    Cited by:  Papers (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (240 KB) | HTML iconHTML

    The alternation theorem is the basis of the Remez algorithm for unconstrained Chebyshev design of finite-impulse response (FIR) filters. In this paper, we extend the alternation theorem to the inequality-constrained case and present an improved Remez algorithm for the design of minimax FIR filters with inequality constraints in frequency domain. Compared with existing algorithms, the presented alg... View full abstract»

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  • On the application of wide-trail strategy to improve an extended feistel cryptosystem

    Publication Year: 2006, Page(s):125 - 127
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (136 KB) | HTML iconHTML

    In this paper, we discuss a wide-trail-strategy-based method able to enhance the security offered by an encryption scheme developed in the University of Ferrara and based on an extended Feistel structure. By adding a new diffusion layer to the basic round transformation of the original system, we are able to increase the amount of active transformations, improving both the strength of the scheme a... View full abstract»

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  • Charge pump circuits with only capacitive loads: optimized design

    Publication Year: 2006, Page(s):128 - 132
    Cited by:  Papers (20)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (376 KB) | HTML iconHTML

    Optimized strategies for designing charge pumps having only capacitive loads are presented. The design strategies developed are with minimum silicon area, which is equivalent to that with minimum rise time, and with minimum power consumption. The approach allows designers to define the number of stages that minimize silicon area (and minimize rise time) or maximize power efficiency for a given inp... View full abstract»

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  • Improved memoryless RNS forward converter based on the periodicity of residues

    Publication Year: 2006, Page(s):133 - 137
    Cited by:  Papers (15)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (256 KB) | HTML iconHTML

    The residue number system (RNS) is suitable for DSP architectures because of its ability to perform fast carry-free arithmetic. However, this advantage is over-shadowed by the complexity involved in the conversion of numbers between binary and RNS representations. Although the reverse conversion (RNS to binary) is more complex, the forward transformation is not simple either. Most forward converte... View full abstract»

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  • XNOR-based double-edge-triggered flip-flop for two-phase pipelines

    Publication Year: 2006, Page(s):138 - 142
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (344 KB) | HTML iconHTML

    The conventional approach of double-edge-triggered flip-flops (DET-FFs) is to have two similar edge-triggered latches. And the achieved faster speed is at the cost of double chip area and complex logic structure. By contrast, the XNOR-based approaches is difficult to reach the speed demand due to the delay of the XNOR -based clock generator. This paper proposes a new designed DET-FF based on an al... View full abstract»

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  • Blind extraction of chaotic signal from an instantaneous linear mixture

    Publication Year: 2006, Page(s):143 - 147
    Cited by:  Papers (15)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (296 KB) | HTML iconHTML

    In this paper, we address the problem of blind extraction of a chaotic signal from an instantaneous linear mixture. Determination of the desired extracting vector is formulated as an optimization problem, in which the knowledge of the dynamics of the chaotic signal to be extracted is exploited. A noisy chaotic signal is first extracted and a noise reduction technique is then used to refine the ext... View full abstract»

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  • A novel method for two-dimensional frequency estimation

    Publication Year: 2006, Page(s):148 - 151
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (200 KB) | HTML iconHTML

    This paper proposes a novel solution to two-dimensional (2-D) frequency estimation problems. The solution is applicable to the cases where the data length is much larger in one dimension than the other. The method estimates 2-D frequencies based on several one-dimensional (1-D) frequency estimation processes and hence has a low computational complexity. To avoid resolving close frequencies in 1-D ... View full abstract»

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  • Lie algebraic stability analysis for switched systems with continuous-time and discrete-time subsystems

    Publication Year: 2006, Page(s):152 - 156
    Cited by:  Papers (35)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (176 KB) | HTML iconHTML

    We analyze stability for switched systems which are composed of both continuous-time and discrete-time subsystems. By considering a Lie algebra generated by all subsystem matrices, we show that if all continuous-time subsystems are Hurwitz stable, all discrete-time subsystems are Schur stable, and furthermore the obtained Lie algebra is solvable, then there is a common quadratic Lyapunov function ... View full abstract»

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  • A simple and efficient design of variable fractional delay FIR filters

    Publication Year: 2006, Page(s):157 - 160
    Cited by:  Papers (26)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (248 KB) | HTML iconHTML

    In this paper, a simple and efficient approach for designing one-dimensional variable fractional delay finite impulse response digital filters is proposed. Two matrix equations, based respectively on the weighted least-squares function of the optimum fixed fractional delay filter and the filter coefficient polynomial fitting, are formulated in tandem to form the design algorithm, which only has th... View full abstract»

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  • Special issue on advances on life science systems and applications

    Publication Year: 2006, Page(s): 161
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  • Special issue on smart sensors

    Publication Year: 2006, Page(s): 162
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  • 2006 IEEE International Conference on Multimedia and Expo (ICME)

    Publication Year: 2006, Page(s): 163
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  • 2006 IEEE International Symposium on Circuits and Systems (ISCAS 2006)

    Publication Year: 2006, Page(s): 164
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  • 49th IEEE International Midwest Symposium on Circuits and Systems (MWSCAS 2006)

    Publication Year: 2006, Page(s): 165
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  • IEEE order form for reprints

    Publication Year: 2006, Page(s): 166
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  • Have you visited lately? www.ieee.org [advertisement]

    Publication Year: 2006, Page(s): 167
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Aims & Scope

Part I will now contain regular papers focusing on all matters related to fundamental theory, applications, analog and digital signal processing. Part II will report on the latest significant results across all of these topic areas.

Full Aims & Scope

Meet Our Editors

Editor-in-Chief

Chi K. Michael Tse
Dept. of Electronic and Information Engineering
Hong Kong Polytechnic University
Hunghom, Hong Kong
cktse@ieee.org