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2012 IEEE MTT-S International Microwave Workshop Series on Millimeter Wave Wireless Technology and Applications

18-20 Sept. 2012

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Displaying Results 1 - 25 of 91
  • [Cover]

    Publication Year: 2012, Page(s): 1
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  • Schedule

    Publication Year: 2012, Page(s): 1
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  • [Title page]

    Publication Year: 2012, Page(s): 1
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  • [Copyright notice]

    Publication Year: 2012, Page(s): 1
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  • Table of contents

    Publication Year: 2012, Page(s): 1
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  • Greetings

    Publication Year: 2012, Page(s): 1
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  • Organizing committee

    Publication Year: 2012, Page(s):2 - 3
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  • Program

    Publication Year: 2012, Page(s):4 - 18
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  • Microwave ferroelectric and reconfigurable antennas

    Publication Year: 2012, Page(s):1 - 2
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (100 KB) | HTML iconHTML

    Nowadays, radioelectronic systems employ multiple antenna systems. Reconfigurable apertures are derived from a new class of antennas, which consist of a matrix of conducting patches with switches between some or all of the patches. These reconfigurable apertures can change functionality by opening or closing different connections between these patches. An example of the second group is the plasma ... View full abstract»

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  • A low power variable gain amplifier with 50-dB dynamic range

    Publication Year: 2012, Page(s):1 - 4
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1045 KB) | HTML iconHTML

    This paper presents a new structure of variable gain amplifier (VGA) in which a modified Gilbert Cell is firstly proposed to implement a low power wide dynamic range VGA. The proposed VGA can provide 50-dB dynamic range within a linear error of 1-dB. Furthermore, the proposed circuit consumes less than 0.5-mA current and occupies about only 0.12-mm2 chip area, both of which are relative... View full abstract»

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  • A wideband 0.13μm CMOS LC-VCO for IMT-Advanced and UWB applications

    Publication Year: 2012, Page(s):1 - 4
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1575 KB) | HTML iconHTML

    This paper presents a wideband CMOS LC voltage controlled oscillator (VCO) with switched current source for 3.4-3.6GHz IMT-Advanced and 4.1-4.8GHz UWB applications. Reconfigurable LC tank with switch control is adopted to accomplish dual band operation and selection. The LC-VCO is fabricated in TSMC0.13μm CMOS process, and fully evaluated on wafer. Bias filters are used in this LC-VCO desig... View full abstract»

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  • Application of diffracted Gaussian beam analysis to design 3D configured quasi-optical systems

    Publication Year: 2012, Page(s):1 - 3
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1144 KB) | HTML iconHTML

    The efficiency and accuracy of the method diffracted Gaussian beam analysis (DGBA) has been validated by the commercial software GRASP, but the deficiency that it is only capable of analyzing 2D symmetrical quasi-optical systems limits its applications. In this paper, an extension to the 2D DGBA software is made to make it capable of analyzing 3D asymmetrical quasi-optical systems. And the results... View full abstract»

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  • CMOS millimeter-wave layout-dependent parasitic parameters extraction and optimization by full-wave EM method

    Publication Year: 2012, Page(s):1 - 4
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1579 KB) | HTML iconHTML

    This paper proposed a novel layout for cross-coupled pair to reduce its extrinsic resistive and capacitive parasitic parameters and another layout for differential pair to decrease the influence of Miller effect and some other parasitic effects. The equivalent circuits of the extrinsic parasitic network of these two structures are first derived and validated using EM simulation. The extraction equ... View full abstract»

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  • Compact and high selectivity dual-band dual-mode microstrip BPF with folded SIR

    Publication Year: 2012, Page(s):1 - 3
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (859 KB) | HTML iconHTML

    In this paper, a compact and high selectivity dualband dual-mode microstrip bandpass filter (BPF) with source-load coupling is proposed using the short-stub-loaded folded SIR. Five transmission zeros can be generated near the passband edges and in the upper-stopband to improve the frequency selectivity and stopband performance, due to the main path signal counteraction and the folded arms of the r... View full abstract»

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  • Design of a reconfigurable Low Noise Amplifier for IMT-A and UWB systems

    Publication Year: 2012, Page(s):1 - 4
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (631 KB) | HTML iconHTML

    A reconfigurable Low Noise Amplifier works on the bands of 4.2-4.8GHz IMT-A and 3.4-3.6GHz UWB is presented in this paper. The proposed LNA is based on inductive source degenerated cascade structure while switched capacitors and switched circuit are added to realize the dual-band operation. The simulation results show that, in the band of 3.4-3.6GHz, the NF is lower than 2.3dB, the gain is higher ... View full abstract»

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  • Design of lower power 4×10Gb/s VCSEL driver array

    Publication Year: 2012, Page(s):1 - 3
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1112 KB) | HTML iconHTML

    A 4-channel Vertical Cavity Surface Emitting Laser (VCSEL) driver array is designed in a 0.18μm CMOS technology. Simulated results show that each channel works at 10Gb/s (12.5Gb/s max) under a supply voltage of 1.8 V. Thus, aggregated total capacity of 40 Gb/s can be obtained from 4 channels. The power dissipation of each channel is only 50mW. To decrease the fall time of the output wavefor... View full abstract»

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  • Design of VGA for 6 GHz radio frequency communication system

    Publication Year: 2012, Page(s):1 - 4
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (845 KB) | HTML iconHTML

    This paper presents the design and analysis of a large-gain-range wide-bandwidth VGA in 0.13 μm CMOS for 6GHz RF communication system. The principles of AGC and the role of VGA in it are discussed; the main structures of CMOS VGA are systematically studied, as well as the realization of exponential function in CMOS process. A structure based on cascode amplifier is adopted as variable gain ... View full abstract»

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  • Experimental demonstration of frequency-octupled millimeter-wave signal generation based on a dual-parallel Mach-Zehnder modulator

    Publication Year: 2012, Page(s):1 - 4
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (655 KB) | HTML iconHTML

    A frequency octupling system based on a dual-parallel Mach-Zehnder modulator (DPMZM) and a wavelength-fixed optical notch filter is experimentally demonstrated. A millimeter-wave signal tunable from 36.8 to 42.4 GHz is generated when a microwave drive signal from 4.6 to 5.3 GHz is applied to the DPMZM. The spectral purity of the generated signal is also theoretically and experimentally studied. An... View full abstract»

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  • High selectivity dual-band dual-mode microstrip BPF with multi-zeros

    Publication Year: 2012, Page(s):1 - 4
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (859 KB) | HTML iconHTML

    In this paper, a high selectivity dual-band dualmode microstrip bandpass filter (BPF) with multi-zeros is proposed utilizing short-stub-loaded folded SIRs and Y-shaped source-load coupling structure. The folded SIR supports two non-degenerated modes, thus achieving two independently controlled passbands with adjustable bandwidths by means of coupling two such SIRs. Due to the main path signal coun... View full abstract»

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  • Investigation of DCS1800/TD-LTE dual-mode and dual-link UE system performance based on the high isolation handset antenna

    Publication Year: 2012, Page(s):1 - 4
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (841 KB) | HTML iconHTML

    This paper investigates the performance of DCS1800/TD-LTE dual-mode and dual-link (DM-DL) UE, and presents an effective solution based on our designed high isolation antenna for the UE local electromagnetic interference (EMI). Firstly, we bring out a DCS1800/TD-LTE DM-DL UE system model, together with its interference analysis and performance evaluation. It is revealed that the receiving sensitivi... View full abstract»

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  • Ka-band dual circularly polarized transceiver antenna for medical applications

    Publication Year: 2012, Page(s):1 - 4
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (956 KB) | HTML iconHTML

    A Ka-band circularly polarized transceiver antenna for Blood flow velocity measurement is presented by the simulation method in this paper. To realize circular polarization and integrative transceiver, a quadrature hybrid with two ports is used to offer phase difference. According to the simulation result, the antenna has a high gain as well as great Front-to-Back ratio. Meanwhile, the input isola... View full abstract»

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  • Low-power ultra-wideband power detector IC in 130 nm CMOS technology

    Publication Year: 2012, Page(s):1 - 4
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (281 KB) | HTML iconHTML

    This paper presents a low operation voltage ultra-wideband power detector IC for microwave and millimeter-wave applications. The power detector circuit includes an nMOS transistor differential pair with a resistive feedback. The power detector IC was designed and fabricated using TSMC 130 nm CMOS technology. The detector IC exhibits an operation frequency from 100 MHz to 40 GHz at an operation vol... View full abstract»

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  • Preliminary design of a W-band third harmonic gyrotron

    Publication Year: 2012, Page(s):1 - 3
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (204 KB) | HTML iconHTML

    The design of a W-band third harmonic gyrotron operating at the TE6,1 mode is presented. The low order whispering gallery mode TE6,1 is chosen as the operating mode for the purpose of suppressing mode competition with lower harmonic modes. And an iris resonator is used in order to lower the start current of the third harmonic mode. The numerical simulation results show that a... View full abstract»

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  • Towards Greener Smartphones with microwave measurements

    Publication Year: 2012, Page(s): 1
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (89 KB) | HTML iconHTML

    Summary form only given. Today's smartphone handsets offer a wide range of functions (phone, GPS, Bluetooth, WiFi,.) to customers, although are still perceived as expensive and energy consuming (requiring a daily recharge). The aim of this talk is to show how microwave measurements impact smartphone design. By optimally engineering the type of measurements made before and after design (linear, non... View full abstract»

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  • Novel materials and devices for millimeter-wave and THz applications

    Publication Year: 2012, Page(s): 1
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (92 KB) | HTML iconHTML

    Summary form only given. In spite of the recent progress in quantum-cascade lasers, vacuum microelectronics, and transistors based on Si, InP and GaN, the search for compact THz sources continues. One alternative approach involves hetero-structures of two-dimensional (2D) layers which exploit the unique properties of graphene, silicene, germanene, BN, MoS2, NbSe2, etc. For example, basically, grap... View full abstract»

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