{"id":"https://openalex.org/W2556609638","doi":"https://doi.org/10.1109/apnoms.2016.7737262","title":"Double ended Spectrum Defragmentation on Software Defined optical Networks","display_name":"Double ended Spectrum Defragmentation on Software Defined optical Networks","publication_year":2016,"publication_date":"2016-10-01","ids":{"openalex":"https://openalex.org/W2556609638","doi":"https://doi.org/10.1109/apnoms.2016.7737262","mag":"2556609638"},"language":"en","primary_location":{"id":"doi:10.1109/apnoms.2016.7737262","is_oa":false,"landing_page_url":"https://doi.org/10.1109/apnoms.2016.7737262","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2016 18th Asia-Pacific Network Operations and Management Symposium (APNOMS)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5070245755","display_name":"Tsan-Chang Kuo","orcid":null},"institutions":[{"id":"https://openalex.org/I92172085","display_name":"Chunghwa Telecom (Taiwan)","ror":"https://ror.org/04f786589","country_code":"TW","type":"company","lineage":["https://openalex.org/I92172085"]}],"countries":["TW"],"is_corresponding":true,"raw_author_name":"Tsan-Chang Kuo","raw_affiliation_strings":["Network Management Laboratory, Chunghwa Telecom Laboratories Co., Ltd., Taoyuan, Taiwan, ROC"],"affiliations":[{"raw_affiliation_string":"Network Management Laboratory, Chunghwa Telecom Laboratories Co., Ltd., Taoyuan, Taiwan, ROC","institution_ids":["https://openalex.org/I92172085"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109441160","display_name":"Min-Chia Chang","orcid":null},"institutions":[{"id":"https://openalex.org/I92172085","display_name":"Chunghwa Telecom (Taiwan)","ror":"https://ror.org/04f786589","country_code":"TW","type":"company","lineage":["https://openalex.org/I92172085"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Min-Chia Chang","raw_affiliation_strings":["Network Management Laboratory, Chunghwa Telecom Laboratories Co., Ltd., Taoyuan, Taiwan, ROC"],"affiliations":[{"raw_affiliation_string":"Network Management Laboratory, Chunghwa Telecom Laboratories Co., Ltd., Taoyuan, Taiwan, ROC","institution_ids":["https://openalex.org/I92172085"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025264686","display_name":"Tai-Yuan Lee","orcid":null},"institutions":[{"id":"https://openalex.org/I92172085","display_name":"Chunghwa Telecom (Taiwan)","ror":"https://ror.org/04f786589","country_code":"TW","type":"company","lineage":["https://openalex.org/I92172085"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Tai-Yuan Lee","raw_affiliation_strings":["Network Management Laboratory, Chunghwa Telecom Laboratories Co., Ltd., Taoyuan, Taiwan, ROC"],"affiliations":[{"raw_affiliation_string":"Network Management Laboratory, Chunghwa Telecom Laboratories Co., Ltd., Taoyuan, Taiwan, ROC","institution_ids":["https://openalex.org/I92172085"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5029855986","display_name":"Ying-Tien Tsai","orcid":null},"institutions":[{"id":"https://openalex.org/I92172085","display_name":"Chunghwa Telecom (Taiwan)","ror":"https://ror.org/04f786589","country_code":"TW","type":"company","lineage":["https://openalex.org/I92172085"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Ying-Tien Tsai","raw_affiliation_strings":["Network Management Laboratory, Chunghwa Telecom Laboratories Co., Ltd., Taoyuan, Taiwan, ROC"],"affiliations":[{"raw_affiliation_string":"Network Management Laboratory, Chunghwa Telecom Laboratories Co., Ltd., Taoyuan, Taiwan, ROC","institution_ids":["https://openalex.org/I92172085"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5070245755"],"corresponding_institution_ids":["https://openalex.org/I92172085"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.12809636,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10847","display_name":"Advanced Optical Network Technologies","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10847","display_name":"Advanced Optical Network Technologies","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10232","display_name":"Optical Network Technologies","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10767","display_name":"Advanced Photonic Communication Systems","score":0.9991000294685364,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7402165532112122},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.6958529949188232},{"id":"https://openalex.org/keywords/optical-path","display_name":"Optical path","score":0.5786941647529602},{"id":"https://openalex.org/keywords/grid","display_name":"Grid","score":0.5753599405288696},{"id":"https://openalex.org/keywords/multiplexer","display_name":"Multiplexer","score":0.5696099996566772},{"id":"https://openalex.org/keywords/frequency-allocation","display_name":"Frequency allocation","score":0.5049713253974915},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.4514157772064209},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4398331046104431},{"id":"https://openalex.org/keywords/wavelength-division-multiplexing","display_name":"Wavelength-division multiplexing","score":0.4260452389717102},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3790656328201294},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.37431085109710693},{"id":"https://openalex.org/keywords/wavelength","display_name":"Wavelength","score":0.2972119152545929},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.23726949095726013},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.17576247453689575},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.17218202352523804},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.14356449246406555},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.13048675656318665}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7402165532112122},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.6958529949188232},{"id":"https://openalex.org/C31872934","wikidata":"https://www.wikidata.org/wiki/Q1417028","display_name":"Optical path","level":2,"score":0.5786941647529602},{"id":"https://openalex.org/C187691185","wikidata":"https://www.wikidata.org/wiki/Q2020720","display_name":"Grid","level":2,"score":0.5753599405288696},{"id":"https://openalex.org/C70970002","wikidata":"https://www.wikidata.org/wiki/Q189434","display_name":"Multiplexer","level":3,"score":0.5696099996566772},{"id":"https://openalex.org/C134579502","wikidata":"https://www.wikidata.org/wiki/Q1455619","display_name":"Frequency allocation","level":2,"score":0.5049713253974915},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.4514157772064209},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4398331046104431},{"id":"https://openalex.org/C160724564","wikidata":"https://www.wikidata.org/wiki/Q1620670","display_name":"Wavelength-division multiplexing","level":3,"score":0.4260452389717102},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3790656328201294},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.37431085109710693},{"id":"https://openalex.org/C6260449","wikidata":"https://www.wikidata.org/wiki/Q41364","display_name":"Wavelength","level":2,"score":0.2972119152545929},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.23726949095726013},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.17576247453689575},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.17218202352523804},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.14356449246406555},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.13048675656318665},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/apnoms.2016.7737262","is_oa":false,"landing_page_url":"https://doi.org/10.1109/apnoms.2016.7737262","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2016 18th Asia-Pacific Network Operations and Management Symposium (APNOMS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6000000238418579,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W1553532839","https://openalex.org/W1983354848","https://openalex.org/W2010633374","https://openalex.org/W2077633789","https://openalex.org/W2125849389","https://openalex.org/W2133768407","https://openalex.org/W2186943473","https://openalex.org/W2344321131","https://openalex.org/W6632973297","https://openalex.org/W6704661771"],"related_works":["https://openalex.org/W4323268213","https://openalex.org/W4242128654","https://openalex.org/W2152549830","https://openalex.org/W1993744883","https://openalex.org/W3197720232","https://openalex.org/W2388387398","https://openalex.org/W1489821439","https://openalex.org/W1979722674","https://openalex.org/W2151192879","https://openalex.org/W4402282307"],"abstract_inverted_index":{"With":[0],"the":[1],"deployment":[2],"of":[3,25,40,55,64,71,133],"Reconfigurable":[4],"Optical":[5,14],"Add-Drop":[6],"Multiplexer":[7],"(ROADM)":[8],"networks":[9],"and":[10,75,85,98,123,136],"newly":[11],"developed":[12],"Elastic":[13],"Networks":[15],"(EONs),":[16],"service":[17],"providers":[18],"(SPs)":[19],"are":[20,81],"able":[21],"to":[22,51,94,115],"reconfigure":[23],"wavelengths":[24],"optical":[26,53,72,126],"paths":[27],"remotely.":[28],"For":[29],"EONs,":[30,78],"spectrum":[31,65,79,117,137],"grids":[32,39],"can":[33,47],"further":[34],"be":[35],"divided":[36],"into":[37,83],"smaller":[38],"12.5":[41],"GHz":[42],"or":[43],"6.25":[44],"GHz.":[45],"SPs":[46],"provision":[48],"just-enough":[49],"bandwidth":[50,99],"each":[52],"path":[54,73],"EONs":[56,58],"dynamically.":[57],"however":[59],"create":[60],"a":[61,69,106],"challenging":[62],"problem":[63],"fragmentation":[66],"(SF).":[67],"After":[68],"number":[70],"creation":[74],"deletion":[76],"on":[77,120],"range":[80],"sliced":[82],"isolated":[84],"discontinuous":[86],"frequency":[87],"slots":[88],"(FSs),":[89],"which":[90],"will":[91],"eventually":[92],"lead":[93],"low":[95],"spectral":[96,134],"efficiency":[97,135],"blockings.":[100],"In":[101],"this":[102],"study,":[103],"we":[104],"propose":[105],"novel":[107],"approach,":[108],"named":[109],"Double":[110],"ended":[111],"Spectrum":[112],"Defragmentation":[113],"(DSD),":[114],"perform":[116],"defragmentation":[118],"(SD)":[119],"fixed-grid,":[121],"flexi-grid,":[122],"flexi/fixed-grid":[124],"hybrid":[125],"networks.":[127],"Simulation":[128],"results":[129],"show":[130],"significant":[131],"improvement":[132],"defragmentation.":[138]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
