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Dynamic Time Allocation and Wavelength Assignment in Next Generation Multi-rate
 

Summary: Dynamic Time Allocation and Wavelength
Assignment in Next Generation Multi-rate
Multi-wavelength Passive Optical Networks
Jingjing Zhang and Nirwan Ansari
Advanced Networking laboratory
Department of Electrical and Computer Engineering
New Jersey Institute of Technology, Newark, NJ 07102, USA
Email: {jz58, nirwan.ansari}@njit.edu
Abstract--Driven by emerging bandwidth-hungry applications,
next generation passive optical networks (NG-PONs) provide
higher bandwidth to users by using more wavelengths and
increasing data rates of optical network units (ONUs). On
the other hand, for smooth upgrading, NG-PON is desired to
be backward compatible with the current TDM PONs where
data rates of ONUs remain unchanged. Thus, both high-rate
ONUs and low-rate ONUs may coexist in NG-PON. The key
parameters of bandwidth allocation in this multi-rate multi-
wavelength network include achieving fairness among all ONUs,
encouraging low-rate ONUs to increase their data rates, and
utilizing wavelength resources efficiently.

  

Source: Ansari, Nirwan - Department of Electrical and Computer Engineering, New Jersey Institute of Technology

 

Collections: Engineering