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A System Performance Approach to OSNR Optimization in Optical Networks
 

Summary: 1
A System Performance Approach to OSNR
Optimization in Optical Networks
Yan Pan, Student Member, IEEE, Tansu Alpcan, Member, IEEE, Lacra Pavel, Senior Member, IEEE
Abstract--This paper studies a constrained optical signal-to-
noise ratio (OSNR) optimization problem in optical networks
from the perspective of system performance. A system optimiza-
tion problem is formulated with the objective of achieving an
OSNR target for each channel while satisfying the total power
constraint. In order to establish existence of a unique optimal
solution, the conditions are derived, which can be used as a
basis for an admission control scheme. The original problem is
then converted to a relaxed system problem by using a barrier
function and solved by a distributed iterative algorithm. Next,
the system optimization framework developed is compared to
the game theoretic one in [1]. The effects of parameters in
both formulations are investigated to study efficiency of Nash
equilibria in the OSNR game and pricing mechanisms affecting
overall system performance. The theoretical analysis is supported
by numerical simulations and experiments conducted on an

  

Source: Alpcan, Tansu - Deutsche Telekom Laboratories & Technische Universitšt Berlin

 

Collections: Engineering