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Crosstalk-aware RCSA for spatial division multiplexing enabled elastic optical networks with multi-core fibers

2016; Optica Publishing Group; Volume: 14; Issue: 10 Linguagem: Inglês

10.3788/col201614.100604

1671-7694

Ruijie Zhu, Yongli Zhao Yongli Zhao, Hui Yang Hui Yang, Hao Chen, Jie Zhang, and Jason P. Jue and Jason P. Jue,

Advanced Photonic Communication Systems

In this Letter, we propose two crosstalk-aware routing, core, and spectrum assignment (CA-RCSA) algorithms for spatial division multiplexing enabled elastic optical networks (SDM-EONs) with multi-core fibers. First, the RCSA problem is modeled, and then a metric, i.e., CA spectrum compactness (CASC), is designed to measure the spectrum status in SDM-EONs. Based on CASC, we propose two CA-RCSA algorithms, the first-fit (FF) CASC algorithm and the random-fit (RF) CASC algorithm. Simulation results show that our proposed algorithms can achieve better performance than the baseline algorithm in terms of blocking probability and spectrum utilization, with FF-CASC providing the best performance.