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Computational Problem-Solving (ICCP), 2011 International Conference on

Date 21-23 Oct. 2011

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Displaying Results 1 - 25 of 182
  • [Front cover]

    Publication Year: 2011, Page(s): c1
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  • Schedule for ICCP2011

    Publication Year: 2011, Page(s): 1
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  • [Title page]

    Publication Year: 2011, Page(s): 1
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  • [Copyright notice]

    Publication Year: 2011, Page(s): 1
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  • Greetings from ICCP2011 conference chairs

    Publication Year: 2011, Page(s): 1
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  • Organizers

    Publication Year: 2011, Page(s): II
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  • ICCP2011 technical Program Committee members

    Publication Year: 2011, Page(s): III
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  • Table of contents

    Publication Year: 2011, Page(s):IV - XIII
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  • A 6Gbps/channel CML receiver with loss of signal detection for chip-to-chip communication

    Publication Year: 2011, Page(s):33 - 36
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (227 KB) | HTML iconHTML

    In this work we propose a 6Gbps Current Mode Logic(CML) receiver with the function of loss of signal(LOS) detection, which forms part of a Serializer/Deserializer IP used in a high speed I/O links. The detect differential threshold is 200mV. The work was designed in a 0.13um CMOS process. Using a 3.3V/1.2V power supply, the chip typically consumes 20mW. View full abstract»

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  • Internet of things: System framework, applications and attentions in program operation

    Publication Year: 2011, Page(s):15 - 18
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (90 KB) | HTML iconHTML

    Based on the analysis of the related concepts of IOT technology, the architecture framework of IOT technology has been discussed in this paper. The mutual fusion logical relation with the mobile communication network has been also studied from the IOT technology aspect. Combining a large number of application cases of IOT technology, this paper has also proposed the key links of the R&D depart... View full abstract»

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  • Efficient computation scheme of grating structure using RCWA and FDFD

    Publication Year: 2011, Page(s):5 - 8
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (486 KB) | HTML iconHTML

    Rigorous coupled-wave analysis, a classic approach for calculating grating structures, will be very slow in some cases, as involved lots of matrix's eigenvalue problems. The use of finite-difference frequency-domain can avoid eigenvalue problem by introduce a large number of difference calculations. Lots of matrix computations are involved in both methods. Matrix computation library accelerated by... View full abstract»

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  • Compact dual-band chip antenna using LTCC technology for mobile handsets

    Publication Year: 2011, Page(s):19 - 22
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (976 KB) | HTML iconHTML

    A new design of compact dual-band chip antenna for 1.95/2.14GHz WCDMA applications by low temperature co-fired ceramic (LTCC) technology used in mobile handsets is presented. The geometry of antenna comprises a helix structure and a double layered meander structure with the dimensions of 10×3×1mm3. The design was simulated and showing impedance bandwidth and radiation char... View full abstract»

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  • Study on calculation method of terahertz gyrotron with special cross-section cavity

    Publication Year: 2011, Page(s):12 - 14
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (116 KB) | HTML iconHTML

    In order to develop high power terahertz sources, high harmonic terahertz gyrotrons with special cross-section cavity have been proposed. The calculation method of the gyrotrons mentioned above has been investigated based on the three-dimensional electromagnetic simulation software CST and traditional nonlinear theory of gyrotrons in this paper. In this method the analytical solution of the high f... View full abstract»

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  • Integral-equation formulations for a perfect conductor surface with open boundary

    Publication Year: 2011, Page(s):1 - 4
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (196 KB) | HTML iconHTML

    In this short paper, a strict combined field integral equation formulation is proposed to solve electromagnetic scattering from perfect electric conductor surfaces with open boundary. The core idea of this method is to combine the magnetic field integral equation for an open surface with the traditional electric field integral equation. The method of moments equations obtained here will be solved ... View full abstract»

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  • Analysis and simulation of phase noise in oscillators

    Publication Year: 2011, Page(s):29 - 32
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (147 KB) | HTML iconHTML

    In the paper, a nonlinear method is presented which is used to analyse the phase noise of RF and microwave oscillators in the time domain. It leads to exact design rules and provides us with the design guide for the key components of the oscillator. A circuit simulation at 1GHz is presented to confirm the theoretical results. The simulation and optimization of the oscillator are carried out with A... View full abstract»

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  • Design of a high gain and low sidelobe coaxial collinear antenna array

    Publication Year: 2011, Page(s):26 - 28
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (133 KB) | HTML iconHTML

    A high-gain and low-sidelobe coaxial collinear (COCO) array antenna is developed in the UHF band. The bandwidth of the array element reaches to 5.8% and the gain is 6.054dB. To suppress the grating lobes, a new method of spacing array element is considered and confirmed. A 42×15 coaxial collinear array antenna is designed with this method. The grating lobes of the array is down to -30dB. Th... View full abstract»

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  • Numerical simulation studies on negative hydrogen ion source for uniformity of H ion beam

    Publication Year: 2011, Page(s):9 - 11
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (248 KB) | HTML iconHTML

    Based on the full three-dimensional Particle-in-Cell/Monte Carlo algorithm(PIC/MCC), two special form of multi-peak magnetic field configuration, external magnetic filter and tent-shaped filter, were analyzed respectively, their influences on electronic energy distribution were compared. The simulation results show that they all can confine diffusion of particles and can extract negative hydrogen ... View full abstract»

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  • Analyze the electromagnetic scattering problem with the non-uniform high order FDTD method

    Publication Year: 2011, Page(s):23 - 25
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (182 KB) | HTML iconHTML

    A generalized high order finite-difference time domain (FDTD) method has been proposed to analyze the scattering problems. In this method, the discrete singular convolution (DSC) is used to deal with the spatial difference. At the same time, the symplectic integration propagator is used for time difference. A non-uniform gridding method is utilized to generate a more flexible computational domain ... View full abstract»

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  • BIST for 2.5-Gb/s SerDes based on dynamic detection

    Publication Year: 2011, Page(s):132 - 135
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (182 KB) | HTML iconHTML

    This paper describes a design of BIST system for single channel 2.5-Gb/s serializer/deserializer (SerDes) macros, including PRBS generator and checker. In order to fit the word width of DUT, a 10-bit parallel PRBS data generator is made. And for PRBS checker, a new method, called dynamic detecting is used to obtain the head symbol dynamically. After that, an referenced PRBS generated, and compared... View full abstract»

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  • Research and design of Doherty power amplifier used in base station

    Publication Year: 2011, Page(s):128 - 131
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (196 KB) | HTML iconHTML

    To deal with the efficiency and linearity of PA in base station, the Doherty amplifier structure is adopted in this paper, and we solve this problem successfully via load-pull design technique in ADS platform. A balanced amplifier and a Doherty amplifier have been designed. They are applied in the frequency range of 1930-1990MHz for base stations. We make a comparison of the power added efficiency... View full abstract»

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  • The third generation verification technology based SOC debugging

    Publication Year: 2011, Page(s):109 - 114
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (665 KB) | HTML iconHTML

    Co-verification technologies are characterized by two inherently conflicting issues: signal observability and simulation performance. To overcome these limitations, we proposed a run-time RTL debugging methodology for FPGA-based co-simulation as well as debugging methodology for a FPGA emulator with testbench synthesis engine. The first method provides internal nodes probing on an event-driven co-... View full abstract»

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  • LVDS driver design for high speed serial link in 0.13um CMOS technology

    Publication Year: 2011, Page(s):145 - 148
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (214 KB) | HTML iconHTML

    This paper presents a LVDS (low voltage differential signal) driver, which works at 2 Gbps, with a pre-emphasis circuit compensating the attenuation of limited bandwidth of channel. To make the output common-mode (CM) voltage stable over process, temperature, and supply voltage variations, a closed-loop negative feedback circuit is added in this work. The LVDS driver is designed in 0.13 um CMOS te... View full abstract»

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  • Design optimization of CMOS CDC comparators

    Publication Year: 2011, Page(s):139 - 144
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (227 KB) | HTML iconHTML

    This paper presents design of CMOS CDC-based comparators with an optimum method to suppress dynamic offset for high-speed flash ADCs. The CDC-based comparators are introduced, analyzed, modeled and optimized. The experiment results have verified the design optimization. Compared to the ADCs with random sizing CDC comparators, the dynamic performance in terms of SNR and SFDR has improved over 30% @... View full abstract»

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  • A novel 2.5bit SHA-less MDAC design for 10bit 100Ms pipeline ADC

    Publication Year: 2011, Page(s):151 - 154
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (592 KB) | HTML iconHTML

    A sub circuit block - 2.5bit MDAC used in 10 bit 100MHz pipeline ADC fabricated in TSMC 0.35um process is presented in this paper. The pipeline ADC removes a front Sample and Hold block (SH) to save power dissipation and area. However, the aperture error between the multiplying digital-to-analog converter (MDAC) and the comparators in the sub flash may increases in large amount. It obviously decre... View full abstract»

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  • The design of Ka band waveguide-to-microstrip transition

    Publication Year: 2011, Page(s):136 - 138
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (179 KB) | HTML iconHTML

    This paper describes the theory and design method of waveguide-to-microstrip transition. As an example, a Ka band rectangular waveguide-to-microstrip transition is designed. Using the ANSOFT HFSS EDA tool, this transition is simulated, optimized. For convenience, a back-to-back structure with two this kind transitions is implemented and tested. The measured insertion loss of the back-to-back const... View full abstract»

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