Canadian Journal of Electrical and Computer Engineering

Issue 1 • Winter 2007

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

    Publication Year: 2007
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    Freely Available from IEEE
  • Table of Contents - Vol 32 No 1

    Publication Year: 2007, Page(s): 1
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  • Message from the Editors

    Publication Year: 2007, Page(s): 2
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    Freely Available from IEEE
  • Canadian conference on electrical and computer engineering - our common future 2007

    Publication Year: 2007, Page(s):3 - 4
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    Freely Available from IEEE
  • A new algorithm for finding the optimal solution of the least absolute value estimation problem

    Publication Year: 2007, Page(s):5 - 8
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (643 KB) | HTML iconHTML

    In this paper an algorithm is developed which uses contraction mapping to determine the optimal solution of the least absolute value (LAV) static estimation problem. It is noted that the new algorithm is computationally simpler than other methods currently available for this purpose. Minimal computational effort is required to obtain the LAV estimates. View full abstract»

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  • Iterative channel estimation and decoding of turbo-coded OFDM symbols in selective Rayleigh channel

    Publication Year: 2007, Page(s):9 - 18
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2223 KB) | HTML iconHTML

    This work deals with the detection of turbo-coded symbols in orthogonal frequency-division multiplexed (OFDM) systems. OFDM symbol detection requires channel estimation, which is often carried out using known pilots. In this paper, an iterative detector composed of a turbo decoder and a channel estimator is proposed. These modules perform jointly and exchange soft information through an iterative ... View full abstract»

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  • An efficient medium access control protocol for mobile ad hoc networks using antenna arrays

    Publication Year: 2007, Page(s):19 - 25
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1455 KB) | HTML iconHTML

    In recent years, the use of directional antennas in wireless networks has been widely studied. Since the medium access control (MAC) protocol of the IEEE 802.11 standard was initially designed for systems with omnidirectional antennas, it cannot perform efficiently when directional antennas are used. In this paper, an efficient two-channel MAC protocol is designed for ad hoc networks that are equi... View full abstract»

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  • Wireless security through RF fingerprinting

    Publication Year: 2007, Page(s):27 - 33
    Cited by:  Papers (85)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (8124 KB) | HTML iconHTML

    The process of identifying radio transmitters by examining their unique transient characteristics at the beginning of transmission is called RF fingerprinting. The security of wireless networks can be enhanced by challenging a user to prove its identity if the fingerprint of a network device is unidentified or deemed to be a threat. This paper addresses the problem of identifying an individual nod... View full abstract»

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  • The asymptotic stability of nonlinear autonomous systems

    Publication Year: 2007, Page(s):35 - 43
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (614 KB) | HTML iconHTML

    In this paper a new general method is developed by means of which one can ascertain whether a nonlinear autonomous system is asymptotically stable. The method is essentially an extension to nonlinear systems of a theorem developed earlier by the first author for linear autonomous systems. Necessary and sufficient conditions are specified, the satisfaction of which guarantees that the system being ... View full abstract»

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  • Modelling and testing of a sensor capable of determining the stiffness of biological tissues

    Publication Year: 2007, Page(s):45 - 51
    Cited by:  Papers (16)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2118 KB) | HTML iconHTML

    In this paper, the design, fabrication, testing, and mathematical modelling of a new sensor for determining the stiffness of biological tissues are discussed. A tactile probe is constructed using polyvinylidene fluoride (PVDF) as the main element of the sensing system. The probe is composed of several parts that together can provide an estimate of the stiffness of a material that it touches. Two d... View full abstract»

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  • Hierarchical FPGA placement

    Publication Year: 2007, Page(s):53 - 64
    Cited by:  Papers (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3542 KB) | HTML iconHTML

    Field-programmable gate arrays (FPGAs) are semiconductor chips that can realize most digital circuits on site by specifying programmable logic and their interconnections. The use of FPGAs has grown almost exponentially because they dramatically reduce design turnaround time and startup cost for electronic products compared with traditional application-specific integrated circuits (ASICs). Efficien... View full abstract»

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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