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Dwdm Essay

  • Submitted by: bncgoff
  • on August 28, 2013
  • Category: Miscellaneous
  • Length: 2,213 words

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Below is an essay on "Dwdm" from Anti Essays, your source for research papers, essays, and term paper examples.

The Impact of Dense Wavelength Division Multiplexing (DWDM) in the Telecommunications Industry

Abstract
This paper makes uses of several online articles, which demonstrate how Dense Wavelength Division Multiplexing (DWDM) has influenced change in the Telecommunications industry.   This paper will provide a timeline, which explains the requirements for more bandwidth as well as how competition paced the industry.   By using online research, this paper will explain how the migration to a DWDM communication system has extended the life of fiber optic infrastructure, saved monies for not only service providers but also customers, as well as increasing communication bandwidth or speed.   Multiplexing is the technique of combining multiple analog or digital signals into one composite signal over a shared transmission medium.   DWDM is a multiplexing scheme, which multiplexes multiple optical carrier signals or wavelengths typically SONET and SDH onto a single optical fiber pair.
Definition: Dark Fiber – Is a fiber optic cable, which is installed and ready for use, but not been lit or is not in use (Daintith, J., 2004).
Acronyms: Time Division Multiplexing (TDM), Synchronous Optical Network (SONET), Synchronous Digital Hierarchy (SDH), Erbium Doped Fiber Amplifier (EDFA), Nanometer (nm).

The Impact of Dense Wavelength Division Multiplexing (DWDM) in the Telecommunications Industry
The intent of this paper is to explain how using Dense Wavelength Division Multiplexing (DWDM) systems have enhanced the telecommunications industry.   DWDM is the process of multiplexing different wavelengths or optical signals into an aggregate signal onto a single strand of fiber.   An analogy for how DWDM work is remarkably similar to how radios operate.   Think of the aggregate signal as the airwaves and the radio stations as the ingress circuits; each ingress circuit uses a set frequency (Cisco, 2001).   Research indicates that the installation of DWDM systems, by telecommunication...

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