{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,23]],"date-time":"2026-08-23T15:56:49Z","timestamp":1787500609486,"version":"build-2736575974"},"reference-count":23,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2020,7,6]],"date-time":"2020-07-06T00:00:00Z","timestamp":1593993600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["91638101"],"award-info":[{"award-number":["91638101"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Satell Commun Network"],"published-print":{"date-parts":[[2020,11]]},"abstract":"<jats:title>Summary<\/jats:title>\n                  <jats:p>Intersatellite laser links have the advantages of high bandwidth, low delay, and low power consumption, which makes wavelength division multiplexing (WDM) with wavelength routing a promising alternative to accommodate the tremendous increasing traffics from terrestrial users. To make better use of the finite wavelengths in optical satellite networks (OSNs), traffic grooming is necessary for the sake of its inherent superiority in partitioning wavelength channel into multiple low\u2010rate channels to satisfy the traffic requests. However, in most occasions, wavelength dimensioning is taken as a part of traffic grooming, which increases the complexity of application. Therefore, this paper investigates a novel separated traffic grooming method to minimize the number of wavelengths while satisfying the traffic requests, of which the process can be divided into two parts. Firstly, the basic connection requests are bundled to construct aggregation units (AUs). And then, the AUs are groomed onto wavelengths. In the process, an AUs construction method with multihop lightpath bypass grooming (MHLBG) is designed for uniform traffics, and a bandwidth reorganization algorithm (BRA) with MHLBG is customized for nonuniform traffics. Finally, we evaluate performance in simulation, and the results show that the proposed method has realized a good compromise between numbers of wavelengths to be used with the average end\u2010to\u2010end delay. Also, the separated traffic grooming method yields better performance than the integrated one.<\/jats:p>","DOI":"10.1002\/sat.1363","type":"journal-article","created":{"date-parts":[[2020,7,6]],"date-time":"2020-07-06T03:02:45Z","timestamp":1594004565000},"page":"499-511","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Separated traffic grooming for Low Earth Orbit (LEO) optical satellite networks with wavelength dimensioning"],"prefix":"10.1002","volume":"38","author":[{"given":"Cong","family":"Peng","sequence":"first","affiliation":[{"name":"Information and Navigation College Air Force Engineering University  Xi'an China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shanghong","family":"Zhao","sequence":"additional","affiliation":[{"name":"Information and Navigation College Air Force Engineering University  Xi'an China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ruixin","family":"Li","sequence":"additional","affiliation":[{"name":"Information and Navigation College Air Force Engineering University  Xi'an China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jun","family":"Li","sequence":"additional","affiliation":[{"name":"China Academy of Space Technology National Key Laboratory of Science and Technology on Space Microwave  Xi'an China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2276-5568","authenticated-orcid":false,"given":"Weilong","family":"Wang","sequence":"additional","affiliation":[{"name":"Information and Navigation College Air Force Engineering University  Xi'an China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hanghang","family":"Gao","sequence":"additional","affiliation":[{"name":"Information and Navigation College Air Force Engineering University  Xi'an China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2020,7,6]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.asr.2010.10.002"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1109\/JLT.2003.819534"},{"key":"e_1_2_8_4_1","doi-asserted-by":"crossref","first-page":"45","DOI":"10.1007\/978-3-319-46203-5_4","volume-title":"Routing and Wavelength Assignment for WDM\u2010based Optical Networks: Quality\u2010of\u2010Service and Fault Resilience","author":"Chatterjee BC","year":"2017"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1364\/JOCN.7.000995"},{"key":"e_1_2_8_6_1","doi-asserted-by":"crossref","unstructured":"FossaC E RainesR A GunschG H et al.An overview of the IRIDIUM (R) low Earth orbit (LEO) satellite system. 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IEEE 2014:1\u20136.https:\/\/doi.org\/10.1109\/ICOCN.2014.6987153","DOI":"10.1109\/ICOCN.2014.6987153"},{"key":"e_1_2_8_16_1","doi-asserted-by":"publisher","DOI":"10.1109\/LCOMM.2010.121310.101030"},{"key":"e_1_2_8_17_1","first-page":"996","article-title":"A optimization traffic grooming algorithm based on bidirectional SONET ring topology network","volume":"727","author":"Cui SX","year":"2015","journal-title":"Appl Mech Mat Trans Tech Publications"},{"key":"e_1_2_8_18_1","doi-asserted-by":"crossref","unstructured":"ZhangY ZhengX LiQ et al.Traffic grooming in spectrum\u2010elastic optical path networks. Optical Fiber Communication Conference. 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