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Canadian Journal of Electrical and Computer Engineering

Issue 2 • Spring 2007

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Displaying Results 1 - 11 of 11
  • Canadian Journal of Electrical and Computer Engineering - Front cover

    Publication Year: 2007, Page(s):C1 - C4
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    Freely Available from IEEE
  • Table of Contents - Vol 32 No 2

    Publication Year: 2007, Page(s): C5
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  • Message from the Editors

    Publication Year: 2007, Page(s): C6
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    Freely Available from IEEE
  • SACK TCP resilience

    Publication Year: 2007, Page(s):67 - 76
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (661 KB) | HTML iconHTML

    The selective-acknowledgement transmission control protocol (SACK TCP) is the most up-to-date version of TCP commonly used in the Internet. Understanding the resilience behaviour of SACK TCP is very important because congestion episodes and failure events are relatively frequent. In this paper, the descriptive power of Petri nets is leveraged to present the reactions that take place inside SACK TC... View full abstract»

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  • Enhancement of microstrip antenna directivity using double-superstrate configurations

    Publication Year: 2007, Page(s):77 - 82
    Cited by:  Papers (9)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (808 KB) | HTML iconHTML

    In this paper, the directivity of microstrip patch antennas with double-layer superstrate is investigated. Two dielectric superstrate layers, each a quarter wavelength in thickness and separated by an air gap, are introduced above the microstrip patch, separated by another air gap. The parameters of these layers are used as key controllers of the directivity enhancement. Numerical results indicate... View full abstract»

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  • Adaptive equalizer in CMOS

    Publication Year: 2007, Page(s):83 - 86
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1056 KB) | HTML iconHTML

    A mixed-signal short/long-haul adaptive equalizer suitable for high-speed T1/E1/J1 applications in CMOS is presented. The manufactured circuit recovers distorted incoming signals attenuated from 0 to 44dB (max.), occupies an area of 1.2 x 1.8 mm in a CMOS 0.35 /spl mu/ process, and typically requires 120 mW of power at 3.3V. The unshielded twisted pair (UTP) cable models are stored in a local rand... View full abstract»

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  • Performance of layered multicast video

    Publication Year: 2007, Page(s):87 - 95
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1441 KB) | HTML iconHTML

    The design of congestion control protocols for multicast applications presents various challenges. This paper studies the use of the layered approach for congestion control for video multicasting in IP networks. Several issues that have a direct impact on the allocation of bandwidth between competing flows of layered multicast video and transmission control protocol (TCP) are investigated: in part... View full abstract»

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  • Adaptive-backstepping-based design of a nonlinear position controller for an IPMSM servo drive

    Publication Year: 2007, Page(s):97 - 102
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (595 KB) | HTML iconHTML

    This paper presents the design of a novel nonlinear position controller for an interior permanent-magnet synchronous motor (IPMSM) servo drive. The motor model equations provide the basis for the proposed controller, which is designed with the adaptive backstepping technique. Various system uncertainties, particularly mechanical-parameter uncertainties, are incorporated in the design of the contro... View full abstract»

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  • Hybrid-mode analysis of bilateral multilayered anisotropic CPW couplers

    Publication Year: 2007, Page(s):103 - 111
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1114 KB) | HTML iconHTML

    The dispersive characteristics of multilayered bilateral anisotropic coplanar couplers are determined using the spectral domain method. The dyadicadmittance Green's function is derived for both open and shielded couplers by extending the immittance-approach technique to multilayered structures via a recursive process that takes into account the anisotropy of the material. The number of dielectric ... View full abstract»

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  • Automatic detection of player positions and trajectories during a soccer match for the measurement of physical and tactical performance

    Publication Year: 2007, Page(s):113 - 119
    Cited by:  Papers (3)  |  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2831 KB) | HTML iconHTML

    This paper describes a video-data processing solution for determining the positions of all players during the course of a team sporting event. Signals received from three fixed cameras that cover the entire playing area are treated by modelling of the background and extraction of the positions of the players in motion. The gathered data makes it possible to measure the physical performance of each... View full abstract»

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  • Correction to "A new algorithm for finding the optimal solution of the least absolute value estimation problem"

    Publication Year: 2007
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Aims & Scope

The role of the Canadian Journal of Electrical and Computer Engineering is to provide scientific and professional activity for its members in Canada, the CJECE complements international journals and will be of particular interest to anyone involved in research and development activities in the field of electrical and computer engineering.

Full Aims & Scope

Meet Our Editors

Editor-in-Chief
Dr. Shahram Yousefi
Dept. of Electrical and Computer
     Engineering
Queen's University