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Proceedings of the IEEE

Issue 7 • Jul 1993

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Displaying Results 1 - 7 of 7
  • Architecture of field-programmable gate arrays

    Publication Year: 1993, Page(s):1013 - 1029
    Cited by:  Papers (145)  |  Patents (16)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1340 KB)

    A survey of field-programmable gate array (FPGA) architectures and the programming technologies used to customize them is presented. Programming technologies are compared on the basis of their volatility, size parasitic capacitance, resistance, and process technology complexity. FPGA architectures are divided into two constituents: logic block architectures and routing architectures. A classificat... View full abstract»

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  • Signal processing with fractional lower order moments: stable processes and their applications

    Publication Year: 1993, Page(s):986 - 1010
    Cited by:  Papers (448)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1920 KB)

    Non-Gaussian statistical signal processing is important when signals and/or noise deviate from the ideal Gaussian model. Stable distributions are among the most important non-Gaussian models. They share defining characteristics with the Gaussian distribution, such as the stability property and central limit theorems, and in fact include the Gaussian distribution as a limiting case. To help enginee... View full abstract»

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  • Optical fiber solitons, their properties and uses

    Publication Year: 1993, Page(s):970 - 983
    Cited by:  Papers (36)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1168 KB)

    The history and mathematical formulation of solutions are briefly reviewed. Solitons of the nonlinear Schrodinger equation are studied in greater detail because they describe nonlinear pulse propagation on dispersive optical fibers. The proposal by A. Hasegawa and the experiments of L.F. Mollenauer on long distance soliton propagation for use in repeaterless transoceanic fiber transmission cables ... View full abstract»

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  • A reprogrammable gate array and applications

    Publication Year: 1993, Page(s):1030 - 1041
    Cited by:  Papers (41)  |  Patents (62)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1004 KB)

    A field-programmable gate array (FPGA) can implement thousands of gates of logic, has no up-front fixed costs, and can be programmed in a few minutes by writing into on-chip static memory is described. This kind of FPGA can be reprogrammed any number of times, providing a versatile platform for rapid hardware implementation. Reprogrammable technology allows software-like design methodologies to be... View full abstract»

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  • The indoor radio propagation channel

    Publication Year: 1993, Page(s):943 - 968
    Cited by:  Papers (779)  |  Patents (18)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2580 KB)

    In this tutorial survey the principles of radio propagation in indoor environments are reviewed. The channel is modeled as a linear time-varying filter at each location in the three-dimensional space, and the properties of the filter's impulse response are described. Theoretical distributions of the sequences of arrival times, amplitudes and phases are presented. Other relevant concepts such as sp... View full abstract»

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  • Antifuse field programmable gate arrays

    Publication Year: 1993, Page(s):1042 - 1056
    Cited by:  Papers (25)  |  Patents (42)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1276 KB)

    An antifuse is an electrically programmable two-terminal device with small area and low parasitic resistance and capacitance. Field-programmable gate arrays (FPGAs) using antifuses in a segmented channel routing architecture now offer the digital logic capabilities of an 8000-gate conventional gate array and system speeds of 40-60 MHz. A brief survey of antifuse technologies is provided. the antif... View full abstract»

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  • Synthesis method for field programmable gate arrays

    Publication Year: 1993, Page(s):1057 - 1083
    Cited by:  Papers (29)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2380 KB)

    Logic synthesis algorithms and methods for field-programmable gate arrays (FPGAs) are reviewed. The three most popular types of FPGA architectures are considered, namely, those using logic blocks based on lookup-tables, multiplexers, and wide AND/OR arrays, respectively. The emphasis is on tools that attempt to minimize the area of the combinational logic part of a design, since little work has be... View full abstract»

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