File Download
There are no files associated with this item.
Links for fulltext
(May Require Subscription)
- Publisher Website: 10.1016/j.comnet.2022.109524
- Scopus: eid_2-s2.0-85145611632
- WOS: WOS:000974807500001
- Find via
Supplementary
- Citations:
- Appears in Collections:
Article: Revisiting the modulation format selection problem in crosstalk-aware SDM-EONs
| Title | Revisiting the modulation format selection problem in crosstalk-aware SDM-EONs |
|---|---|
| Authors | |
| Keywords | Crosstalk Elastic optical networks Modulation format selection |
| Issue Date | 1-Feb-2023 |
| Publisher | Elsevier |
| Citation | Computer Networks, 2023, v. 221 How to Cite? |
| Abstract | The problem of finding a lightpath to provision a connection request in space-division multiplexing elastic optical networks (SDM-EONs) involves routing, modulation, spectrum and core assignment (RMSCA). Aiming at maximizing spectrum efficiency, the lightpath is always established with the modulation format that gives the highest data rate within the transmission reach and crosstalk (XT) threshold. For SDM-EONs based on multi-core fibers (MCFs), highest rate modulation format leads to lowest XT tolerance/threshold, or more spectrum fragments in adjacent cores. We call this problem XT-fragmentation. XT-fragmentation has been ignored by all existing RMSCA algorithms. In this paper, we first propose a way to measure the potential spectrum loss due to more fragments. Then a new modulation format selection (MFS) algorithm is designed with XF-fragmentation in mind. Simulation results show that RMSCA algorithms with MFS achieves lower request blocking probability than that without MFS. |
| Persistent Identifier | http://hdl.handle.net/10722/339780 |
| ISSN | 2023 Impact Factor: 4.4 2023 SCImago Journal Rankings: 1.520 |
| ISI Accession Number ID |
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Zhang, Shengyu | - |
| dc.contributor.author | Yeung, Kwan L | - |
| dc.date.accessioned | 2024-03-11T10:39:16Z | - |
| dc.date.available | 2024-03-11T10:39:16Z | - |
| dc.date.issued | 2023-02-01 | - |
| dc.identifier.citation | Computer Networks, 2023, v. 221 | - |
| dc.identifier.issn | 1389-1286 | - |
| dc.identifier.uri | http://hdl.handle.net/10722/339780 | - |
| dc.description.abstract | <p>The problem of finding a <a href="https://www.sciencedirect.com/topics/computer-science/lightpath" title="Learn more about lightpath from ScienceDirect's AI-generated Topic Pages">lightpath</a> to provision a connection request in space-division multiplexing elastic <a href="https://www.sciencedirect.com/topics/engineering/fiber-optic-networks" title="Learn more about optical networks from ScienceDirect's AI-generated Topic Pages">optical networks</a> (SDM-EONs) involves <em>routing, modulation, spectrum</em> and <a href="https://www.sciencedirect.com/topics/computer-science/core-assignment" title="Learn more about core assignment from ScienceDirect's AI-generated Topic Pages">core assignment</a> (RMSCA). Aiming at maximizing spectrum efficiency, the <a href="https://www.sciencedirect.com/topics/computer-science/lightpath" title="Learn more about lightpath from ScienceDirect's AI-generated Topic Pages">lightpath</a> is always established with the <a href="https://www.sciencedirect.com/topics/engineering/modulation-format" title="Learn more about modulation format from ScienceDirect's AI-generated Topic Pages">modulation format</a> that gives the highest data rate within the transmission reach and <a href="https://www.sciencedirect.com/topics/engineering/crosstalk" title="Learn more about crosstalk from ScienceDirect's AI-generated Topic Pages">crosstalk</a> (XT) threshold. For SDM-EONs based on multi-core fibers (MCFs), highest rate <a href="https://www.sciencedirect.com/topics/engineering/modulation-format" title="Learn more about modulation format from ScienceDirect's AI-generated Topic Pages">modulation format</a> leads to lowest XT tolerance/threshold, or more spectrum fragments in adjacent cores. We call this problem XT-fragmentation. XT-fragmentation has been ignored by all existing RMSCA algorithms. In this paper, we first propose a way to measure the potential spectrum loss due to more fragments. Then a new modulation format selection (MFS) algorithm is designed with XF-fragmentation in mind. Simulation results show that RMSCA algorithms with MFS achieves lower request <a href="https://www.sciencedirect.com/topics/computer-science/blocking-probability" title="Learn more about blocking probability from ScienceDirect's AI-generated Topic Pages">blocking probability</a> than that without MFS.</p> | - |
| dc.language | eng | - |
| dc.publisher | Elsevier | - |
| dc.relation.ispartof | Computer Networks | - |
| dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. | - |
| dc.subject | Crosstalk | - |
| dc.subject | Elastic optical networks | - |
| dc.subject | Modulation format selection | - |
| dc.title | Revisiting the modulation format selection problem in crosstalk-aware SDM-EONs | - |
| dc.type | Article | - |
| dc.identifier.doi | 10.1016/j.comnet.2022.109524 | - |
| dc.identifier.scopus | eid_2-s2.0-85145611632 | - |
| dc.identifier.volume | 221 | - |
| dc.identifier.isi | WOS:000974807500001 | - |
| dc.identifier.issnl | 1389-1286 | - |