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  • Volume 27, Issue 2
  • Volume 27, Issue 2

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    Measuring complex optical modulation in fiber

    Feb. 1, 2010
    This article reviews both sampling and real-time techniques for signal conversion, compares many of the current instruments for measurement of complex modulation in fiber, and...
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    Characterizing advanced modulation formats using optical sampling

    Feb. 1, 2010
    The shift to more complex modulation formats for high-speed communications means a change in the way designers and network managers measure signal performance. Several options...
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    5G Mobile

    Real-time corrective action for mobile bandwidth hogs

    Feb. 1, 2010
    Traffic management has become a major concern for mobile networks as bandwidth-intensive data transfer increases. A new class of network terminating equipment can help ease this...
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    Network Design

    40G makes inroads undersea

    Feb. 1, 2010
    Estimates that the undersea equipment market will exceed $2 billion over the next five years have piqued the interest of traditional terrestrial system vendors offering 40G technology...
    Network Design

    Ethernet protection switching and OAM move from proprietary to standardized

    Feb. 1, 2010
    In order to mirror SONET/SDH networks, Carrier Ethernet vendors developed proprietary means of providing protection switching and OAM. A new series of standards opens the door...

    More content from Volume 27, Issue 2

    Companies

    So far, so good

    Feb. 1, 2010
    The U.S. Department of Commerce’s National Telecommunications and Information Administration and the Department of Agriculture’s Rural Utilities Service (RUS) have finally begun...