Highly Dense Elastic Optical Networks Enabled by Grouped Routing With Distance-Adaptive Modulation

被引：6
|
作者：
Kayano, Keisuke [1 ]
Yamaoka, Shuhei [1 ]
Mori, Yojiro [1 ]
Hasegawa, Hiroshi [1 ]
Sato, Ken-ichi [1 ]
机构：
[1] Nagoya Univ, Dept Informat & Commun Engn, Nagoya, Aichi 4648601, Japan
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2019年 / 31卷 / 04期
关键词：
Elastic optical network; higher-order modulation format;
D O I：
10.1109/LPT.2019.2892506
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We propose highly spectrally efficient grouped-routing networks with distance-adaptive modulation. The proposed scheme can realize highly dense wavelength-division-multiplexing networks under the constraint of the spectrum narrowing caused by optical-node traversals. Its effectiveness is confirmed by extensive computer simulations using 400-Gbps dual-polarization QPSK, 8QAM, and 16QAM signals. The fiber-utilization efficiency is improved by 18.0%.
引用
收藏
页码：295 / 298
页数：4
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