eHRPD Tutorial

    What is eHRPD ? An upgrade of existing HRPD (EV-DO) networks to allow EV-DO service providers to introduce SAE/EPC  architecture elements to their existing packet core network. Includes both...
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    DWDM

    ROADM Tutorial

      A ROADM(reconfigurable optical add-drop multiplexer) is a kind of equipment where redirect modulated infrared (IR) and visible light beams of various wavelengths in a fiber optic network can...
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