Results 21 to 30 of about 2,023 (156)
, 2010 In this paper we study the joint rate allocation, routing and spectrum sharing policy for multi-hop Cognitive Radio Networks (CRNs). We formulate this cross layer optimization problem as a sequential decision process which aims to minimize the average ...
Danny H. K. Tsang +3 more
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Routing and Spectrum Allocation Heuristic for Sliced Elastic Optical Network System [PDF]
, 2021 We proposed a heuristic algorithm, Minimum Hops with Least Slots spectrum (MHLS), to solve the Routing and spectrum assignment problem in elastic optical networks.
Vittorio Curri +11 more
core +1 more source
A polyhedral study of a relaxation of the routing and spectrum allocation problem
Discrete Applied MathematicsThe routing and spectrum allocation (RSA) problem arises in the context of flexible grid optical networks, and consists in routing a set of demands through a network while simultaneously assigning a bandwidth to each demand, subject to non-overlapping constraints.
Federico Bertero +3 more
openaire +2 more sources
Dynamic Rate Allocation, Routing and Spectrum Sharing for Multi-Hop Cognitive Radio Networks
, 2009 In this paper we study the dynamic rate allocation, routing and spectrum sharing for multi-hop cognitive radio networks (CRNs), which opportunistically operate on a set of channels unused by primary user systems (PUs).
D. H. K. Tsang +3 more
core +1 more source
, 2020 The Routing and Spectrum Assignment (RSA) problem is NP-Hard so searching the entire problem space is not applicable. Many decomposition algorithms rely on reducing the search space in the routing space and applying heuristics algorithm in the spectrum ...
Hossam M. Faheem +5 more
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Modeling Off-line Routing and Spectrum Allocation Problem in Elastic Optical Network [PDF]
, 2021 The swift escalation in internet traffic due to diverse bandwidth starving applications and innovative concepts of modern technologies such as Elastic Optical Networks (EONs) and Software-defined networking (SDN) demands a dynamic and flexible optical ...
Vittorio Curri +11 more
core +1 more source
Routing and Spectrum Allocation Using Elastic Optical Network.
American Journal of Electronics & Communication, 2022 With the rapid growth of cloud data, the internet of things, social media applications, high-end video streaming, etc WDM[3][3] is slowly becoming insufficient for all these future growths. The elastic optical network is slowly becoming the solution for these problems in the fiber-optic network.
Jeet Mukherjee +6 more
openaire +1 more source
Valid inequalities for the routing and spectrum allocation problem in elastic optical networks [PDF]
, 2014 We deal with a natural integer-linear programming formulation of the routing and spectrum allocation (RSA) problem in elastic optical networks. We focus on strengthening the formulation with valid inequalities (cuts).
Ruiz Ramírez, Marc +9 more
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, 2015 Empowered by multirate transmission and bandwidth-variable switching technology, elastic optical networks (EONs) enhance spectrum utilization efficiency and increase network capacity to satisfy the rapid growth of Internet traffic.
Chen, Xin +5 more
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A Pattern-layered Routing and Spectrum Allocation in OFDM-based Flexible Optical Networks
, 2012 We introduced a pattern-layered framework to investigate the routing and spectrum allocation in flexible optical network. A novel fragment-aware RSA algorithm is proposed and simulation results show that it outperforms previous studies.http://gateway ...
Songwei Ma +13 more
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