Canadian Journal of Electrical and Computer Engineering

Issue 2 • April 1997

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Displaying Results 1 - 13 of 13
  • [Front cover]

    Publication Year: 1997, Page(s): c1
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  • [Front inside cover]

    Publication Year: 1997, Page(s): c2
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  • Table of contents

    Publication Year: 1997, Page(s): 1
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  • Personal communication systems

    Publication Year: 1997, Page(s):38 - 39
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1291 KB)

    This special issue of the Canadian Journal of Electrical and Computer Engineering is dedicated to the recent developments in the field of applicable techniques and technologies to personal communication systems. The content is entirely Canadian and reflects the interest of our researchers for this fast evolving discipline. View full abstract»

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  • An integrated multiservice wireless access network

    Publication Year: 1997, Page(s):41 - 45
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1248 KB)

    We consider the organization and performance of a microcellular code-division multiple-access system that supports voice, video and data services over the personal communications band near 1.9 GHz. Protection of such a system from overload by preventing admission of more calls than can be supported is important to ensure that the required grades of service are satisfied. We report on the multiserv... View full abstract»

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  • A software-based variable-rate modem for PCS applications

    Publication Year: 1997, Page(s):47 - 50
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1032 KB)

    This paper describes the software implementation of the baseband portion of a variable-rate modem. The modem can handle arbitrary symbol rates with a fixed input/output sample rate. This approach reduces hardware complexity related to external clock generation circuitry, offers complete flexibility in the selection of symbol rates, and conveniently accommodates symbol-timing and symbol-rate correc... View full abstract»

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  • Performance of coherent QPSK communications over frequency-selective fading channels for broadband PCS

    Publication Year: 1997, Page(s):51 - 54
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (804 KB)

    The fading caused by multipath and the effect of delay spread affect broadband wireless personal communications channels by introducing intersymbol interference, which appear when the root-mean-squared (rms) delay spread is significant in comparison to the duration of the transmitted symbols. This results, in the absence of equalizing, in an irreducible error probability. In this paper, we show th... View full abstract»

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  • Multipath impulse response modelling for indoor channel using TD-BEM

    Publication Year: 1997, Page(s):55 - 61
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2311 KB)

    Indoor radio networks operating in the millimetre-wave frequency range may offer large information transport capacity and more sharply defined cell boundaries. The main features of the propagation in an indoor radio environment are multipath, due to reflection or diffraction from the walls and surrounding objects, and shadowing of the direct or line-of-sight propagation path by intervening obstacl... View full abstract»

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  • Simulation module for coverage prediction in mobile radio

    Publication Year: 1997, Page(s):63 - 69
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2395 KB)

    This paper presents an analysis of the parameters which influence the wave propagation between transmitting and receiving antennas located on the same floor of an office building. Using the ray-tracing method, the model considers all the possible paths, namely the direct path, reflections from internal and external walls, diffraction by knife and vertical edges and the radiation in all possible di... View full abstract»

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  • TLM modelling of multilayer coupling structures for microwave PCS antennas

    Publication Year: 1997, Page(s):71 - 77
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3040 KB)

    This paper presents a multilayer architecture applicable to integrated planar active array antennas in personal communication systems (PCSs). The configuration uses a combination of microstrip and stripline transmission lines on stacked substrates to integrate printed patch antennas, microwave active circuits, signal-distribution networks, etc., into a compact multilayer system. A general-purpose ... View full abstract»

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  • Radiation characteristics of a meander-line dipole antenna

    Publication Year: 1997, Page(s):79 - 83
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1032 KB)

    A simple analytical method is proposed for calculation of the vertically polarized and horizontally polarized relative power densities of a meander-line dipole (MLD) antenna. A sinusoidal distribution of current that drops to zero at both ends of the dipole is assumed. Results obtained using this method are in good agreement with results computed using the Numerical Electromagnetic Code [1]. The M... View full abstract»

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  • [Back inside cover]

    Publication Year: 1997, Page(s): c3
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  • [Back cover]

    Publication Year: 1997, Page(s): c4
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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.

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Meet Our Editors

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