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IEEE Communications Magazine

Issue 12 • Date Dec. 1989

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Displaying Results 1 - 5 of 5
  • Medical imaging applications of emerging broadband networks

    Publication Year: 1989, Page(s):8 - 16
    Cited by:  Papers (18)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1129 KB)

    The various existing or envisioned applications for so-called telemedicine networks are described. The current and future medical environments are examined with respect to the use of such networks. The characteristics of medical images that affect their transmission and storage are discussed. Medical communication field trials using the emerging broadband networks are described. Some service scena... View full abstract»

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  • Evolutionary architectures and techniques for video distribution on fiber

    Publication Year: 1989, Page(s):17 - 25
    Cited by:  Papers (9)  |  Patents (10)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1014 KB)

    A number of proposed and/or demonstrated approaches to video distribution on fiber are highlighted. Each of the architectures described embodies a different combination of delivery mode, degree of fiber utilization, transmission format, and multiplexing technique. The various approaches typically rely on different classes of technologies and can result in different service capabilities. Since avai... View full abstract»

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  • Broadband video switching

    Publication Year: 1989, Page(s):26 - 30
    Cited by:  Papers (9)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (565 KB)

    A broadband 64*16 space-switching approach and its applicability to large-scale broadband switching systems are described. The design uses a technique that prevents the parasitic capacitances from reducing the switching speed. The switching system was implemented in 3- mu m CMOS VLSI and operated in excess of 150 Mb/s. Computer simulation indicates a 1-Gb/s potential with a 1- mu m CMOS implementa... View full abstract»

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  • New architectures for diversity in fiber loop networks

    Publication Year: 1989, Page(s):31 - 37
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (937 KB)

    Active and passive multiplexing technologies and alternative architectural approaches to diverse routing for fiber-loop networks are described. It is shown on the basis of Markov models that the mean time to failure (MTTF) for a 1:1 protected system can be significantly improved by deploying fiber with alternate paths and duplicate central offices. Specific network examples are used to compare ins... View full abstract»

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  • Test yourself: how much do you know about international communications? (International numbering systems)

    Publication Year: 1989, Page(s):38 - 40
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (286 KB)

    We like to think of international telephone communications as 'transparent', the successful outcome of 100 years of technical progress and standards setting, but the author shows us that it is not. The user still has to be something of an expert to understand how to make international calls, and there are chaotically differing numbering systems for telephony, telex, and electronic mail. We should ... View full abstract»

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IEEE Communications Magazine, considered by most to be their most important member benefit, provides timely information on all aspects of communications: monthly feature articles describe technology, systems, services, market trends, development methods, regulatory and policy issues, and significant global events.

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Huawei Technologies