Conflict Resolution of Elastic Optical Switching Node Based on Inter Modes Crosstalk-avoidance

Huanlin LIU; Zhanpeng WANG; Jie REN; Yong CHEN; Fei FANG; Meng WEN

doi:10.11999/JEIT200586

Volume 43 Issue 8

Aug. 2021

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Article Navigation > Journal of Electronics & Information Technology > 2021 > 43(8): 2224-2231

Huanlin LIU, Zhanpeng WANG, Jie REN, Yong CHEN, Fei FANG, Meng WEN. Conflict Resolution of Elastic Optical Switching Node Based on Inter Modes Crosstalk-avoidance[J]. Journal of Electronics & Information Technology, 2021, 43(8): 2224-2231. doi: 10.11999/JEIT200586

Citation:

Huanlin LIU, Zhanpeng WANG, Jie REN, Yong CHEN, Fei FANG, Meng WEN. Conflict Resolution of Elastic Optical Switching Node Based on Inter Modes Crosstalk-avoidance[J]. Journal of Electronics & Information Technology, 2021, 43(8): 2224-2231. doi: 10.11999/JEIT200586

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Conflict Resolution of Elastic Optical Switching Node Based on Inter Modes Crosstalk-avoidance

doi: 10.11999/JEIT200586 cstr: 32379.14.JEIT200586

1.
School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, China
2.
School of Automation, Chongqing University of Posts and Telecommunications, Chongqing 400065, China

Funds: The National Natural Science Foundation of China (51977021), Chongqing Natural Science Foundation (2019 jcyj-msxmX0613, 2020jcyj-msxmX0682)

Received Date: 2020-07-16
Rev Recd Date: 2021-01-03

Available Online: 2021-01-07

Publish Date: 2021-08-10

Abstract

Abstract

For addressing the requests conflict in all-optical switching node of space-division multiplexing elastic optical network with few-mode fibers, an all-optical Layered Architecture based on Resource reservation module and Shared Limited-range spectrum converter (LARSL) is studied in the paper. First, a inter modes Crosstalk Avoidance-based on space, frequency and time domain combing resource Conflict Resolution Algorithm for LARSL (LARSL-CACRA) is put forward. Then, a calculation method for crosstalk-avoidance resource block using sliding window is designed to search the more balanced mode-spectrum resource black for the spectrum conflicted requests in the space-frequency domain. Moreover, a time domain resource reservation module is designed to reserve still conflicting requests to next scheduling time for further reducing the bandwidth blocking probability. Simulation result show that the proposed LARSL-CACRA can decrease node’s bandwidth blocking probability and can also reduce the cache delay.
- Space division multiplexing elastic optical network,
- Conflict resolution,
- Crosstalk-avoidance,
- Mode-spectrum resource block,
- Bandwidth blocking probability

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References(18)

References

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