Volume 8 Issue 1 November - January 2019
Review Paper
Comprehensive Study on Next Generation- Passive Optical Networks (NG-PON2) using Time Wavelength Division Multiplexing (TWDM): A Literature Review
Martina M.*, G. Karpagarajesh**
*Department of communication systems, Government College Of Engineering, Tirunelveli, Tamil Nadu, India.
**Department of Electronics and Communication Engineering Government College of Engineering, Tirunelveli, Tamil Nadu, India.
Martina, M., & Karpagarajesh, G.(2019). Comprehensive study on Next Generation- Passive Optical Networks (NG-PON2) using Time Wavelength Division Multiplexing (TWDM). i-manager's Journal on Communication Engineering and Systems, 8(1), 36-41 https://doi.org/10.26634/jcs.8.1.16346
Abstract
Optical fiber is one of the effective modes of transmission to access the network. They are widely used in telecommunications since they allow sending large amount of data at a greater distance and have larger bandwidth than other forms of communication. The main objective of an optical access network is to provide access to the user even in long-haul distance. A fiber link from the central office provides services to multiple users using transmitters over a single fiber link. This paper reviewed the technical options and comprehensive study on the next generation of optical access solutions. To upgrade the optical access networks, it should satisfy the bandwidth demand co-existing with previous technology requirements. There are lot of technologies used to access the NG-PON, but Full Service Access Network (FSAN) selects the TWDM as the primary solution for second generation Passive Optical Network (NG-PON2). This TWDM is the combination of both Time Division Multiplexing (TDM) and Wavelength Division Multiplexing (WDM). TWDM is largely deployed in NG-PON2 access networks because of its high data rates. In addition, this paper previews the various models in TWDM networks.
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