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Resource Management in Space-Division Multiplexed Elastic Optical Networks

Nikkhah, Ali | 2018

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 51063 (05)
  4. University: Sharif University of Technology
  5. Department: Electrical Engineering
  6. Advisor(s): Pakravan, Mohammad Reza
  7. Abstract:
  8. In recent years, Internet traffic has nearly doubled in the core network every two years, and it is expected to continue to grow in the future. With this growth, there is a need for very high capacity and economically efficient transmission systems, which optical communication is the best choice. Elastic optical network (EON) is one of the best options for achieving this goal in the future. Unlike existing networks, the transmission parameters of EON will be customizable, which will have an essential role in optimizing bandwidth assignment. The problem facing scientists today is to approach the final physical capacity of current optical fibers. The solution proposed for this challenge is Space Division Multiplexing (SDM). By doing so, we can use multi-core or multi-mode fiber, which helps us to deliver the expected rate and capacity in the future. The problem that we are going to solve is the allocation of resources in the space-division multiplexed elastic optical networks with an energy optimization approach in the core network. Routing, spectral and core allocation in optical fiber, and determine the degree of modulation is the function of the proposed solution. First, we will provide a solution to integer linear programming (ILP) problem. Given that this problem is a non-deterministic polynomial-time hard (NP-hard) problem, it is not solvable for real networks in a reasonable time. Therefore, we will come up with a heuristic solution that will allow us to plan large-scale networks at an acceptable time
  9. Keywords:
  10. Elastic Optical Networks (EON) ; Space Division Multiplexing ; Spectrum Assignment ; Routing ; Energy Efficient Routing ; Optical Networks

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