{"id":"https://openalex.org/W2079559188","doi":"https://doi.org/10.1109/icc.2012.6363944","title":"A virtual-tree OFDMA PON system architecture","display_name":"A virtual-tree OFDMA PON system architecture","publication_year":2012,"publication_date":"2012-06-01","ids":{"openalex":"https://openalex.org/W2079559188","doi":"https://doi.org/10.1109/icc.2012.6363944","mag":"2079559188"},"language":"en","primary_location":{"id":"doi:10.1109/icc.2012.6363944","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc.2012.6363944","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE International Conference on Communications (ICC)","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/A5074930109","display_name":"M.C. Yuang","orcid":"https://orcid.org/0000-0002-0570-0159"},"institutions":[{"id":"https://openalex.org/I148366613","display_name":"National Yang Ming Chiao Tung University","ror":"https://ror.org/00se2k293","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Maria Yuang","raw_affiliation_strings":["Department of Computer Science/Electrical Engineering/Photonics, National Chiao-Tung University, Taiwan","[Department of Computer Science/Electrical Engineering/Photonics, National Chiao-Tung University, Taiwan]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science/Electrical Engineering/Photonics, National Chiao-Tung University, Taiwan","institution_ids":["https://openalex.org/I148366613"]},{"raw_affiliation_string":"[Department of Computer Science/Electrical Engineering/Photonics, National Chiao-Tung University, Taiwan]","institution_ids":["https://openalex.org/I148366613"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072427478","display_name":"Po-Lung Tien","orcid":"https://orcid.org/0000-0002-5798-1175"},"institutions":[{"id":"https://openalex.org/I148366613","display_name":"National Yang Ming Chiao Tung University","ror":"https://ror.org/00se2k293","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Po-Lung Tien","raw_affiliation_strings":["Department of Computer Science/Electrical Engineering/Photonics, National Chiao-Tung University, Taiwan","[Department of Computer Science/Electrical Engineering/Photonics, National Chiao-Tung University, Taiwan]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science/Electrical Engineering/Photonics, National Chiao-Tung University, Taiwan","institution_ids":["https://openalex.org/I148366613"]},{"raw_affiliation_string":"[Department of Computer Science/Electrical Engineering/Photonics, National Chiao-Tung University, Taiwan]","institution_ids":["https://openalex.org/I148366613"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071980163","display_name":"Jyehong Chen","orcid":null},"institutions":[{"id":"https://openalex.org/I148366613","display_name":"National Yang Ming Chiao Tung University","ror":"https://ror.org/00se2k293","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Jyehong Chen","raw_affiliation_strings":["Department of Computer Science/Electrical Engineering/Photonics, National Chiao-Tung University, Taiwan","[Department of Computer Science/Electrical Engineering/Photonics, National Chiao-Tung University, Taiwan]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science/Electrical Engineering/Photonics, National Chiao-Tung University, Taiwan","institution_ids":["https://openalex.org/I148366613"]},{"raw_affiliation_string":"[Department of Computer Science/Electrical Engineering/Photonics, National Chiao-Tung University, Taiwan]","institution_ids":["https://openalex.org/I148366613"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103358665","display_name":"Ju-Lin Shih","orcid":null},"institutions":[{"id":"https://openalex.org/I148366613","display_name":"National Yang Ming Chiao Tung University","ror":"https://ror.org/00se2k293","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Ju-Lin Shih","raw_affiliation_strings":["Department of Computer Science/Electrical Engineering/Photonics, National Chiao-Tung University, Taiwan","[Department of Computer Science/Electrical Engineering/Photonics, National Chiao-Tung University, Taiwan]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science/Electrical Engineering/Photonics, National Chiao-Tung University, Taiwan","institution_ids":["https://openalex.org/I148366613"]},{"raw_affiliation_string":"[Department of Computer Science/Electrical Engineering/Photonics, National Chiao-Tung University, Taiwan]","institution_ids":["https://openalex.org/I148366613"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037968114","display_name":"Dar-Zu Hsu","orcid":null},"institutions":[{"id":"https://openalex.org/I142066694","display_name":"ITRI International","ror":"https://ror.org/04wwsbd59","country_code":"US","type":"facility","lineage":["https://openalex.org/I142066694"]},{"id":"https://openalex.org/I4210148468","display_name":"Industrial Technology Research Institute","ror":"https://ror.org/05szzwt63","country_code":"TW","type":"nonprofit","lineage":["https://openalex.org/I4210148468"]}],"countries":["TW","US"],"is_corresponding":false,"raw_author_name":"Dar-Zu Hsu","raw_affiliation_strings":["Information and Communications Research Laboratories, Industrial Technology and Research Institute, Taiwan","[Information and Communications Research Laboratories, Industrial Technology Research Institute, Taiwan]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Information and Communications Research Laboratories, Industrial Technology and Research Institute, Taiwan","institution_ids":["https://openalex.org/I4210148468"]},{"raw_affiliation_string":"[Information and Communications Research Laboratories, Industrial Technology Research Institute, Taiwan]","institution_ids":["https://openalex.org/I142066694"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103247833","display_name":"Hsing-Yu Chen","orcid":"https://orcid.org/0000-0003-0448-0665"},"institutions":[{"id":"https://openalex.org/I142066694","display_name":"ITRI International","ror":"https://ror.org/04wwsbd59","country_code":"US","type":"facility","lineage":["https://openalex.org/I142066694"]},{"id":"https://openalex.org/I4210148468","display_name":"Industrial Technology Research Institute","ror":"https://ror.org/05szzwt63","country_code":"TW","type":"nonprofit","lineage":["https://openalex.org/I4210148468"]}],"countries":["TW","US"],"is_corresponding":false,"raw_author_name":"Hsing-Yu Chen","raw_affiliation_strings":["Information and Communications Research Laboratories, Industrial Technology and Research Institute, Taiwan","[Information and Communications Research Laboratories, Industrial Technology Research Institute, Taiwan]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Information and Communications Research Laboratories, Industrial Technology and Research Institute, Taiwan","institution_ids":["https://openalex.org/I4210148468"]},{"raw_affiliation_string":"[Information and Communications Research Laboratories, Industrial Technology Research Institute, Taiwan]","institution_ids":["https://openalex.org/I142066694"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5003571756","display_name":"Chia-Chien Wei","orcid":"https://orcid.org/0000-0003-1947-8146"},"institutions":[{"id":"https://openalex.org/I142974352","display_name":"National Sun Yat-sen University","ror":"https://ror.org/00mjawt10","country_code":"TW","type":"education","lineage":["https://openalex.org/I142974352"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Chia-Chien Wei","raw_affiliation_strings":["Department of Photonics, National Sun Yat-sen University, Taiwan","Department of Photonics, National Sun Yat-Sen University,#N#                     Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Photonics, National Sun Yat-sen University, Taiwan","institution_ids":["https://openalex.org/I142974352"]},{"raw_affiliation_string":"Department of Photonics, National Sun Yat-Sen University,#N#                     Taiwan","institution_ids":["https://openalex.org/I142974352"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":7,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.2498,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.61647792,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"3116","last_page":"3121"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10232","display_name":"Optical Network Technologies","score":0.9998999834060669,"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/T10232","display_name":"Optical Network Technologies","score":0.9998999834060669,"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":0.9998999834060669,"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/T10988","display_name":"Advanced Fiber Laser Technologies","score":0.9952999949455261,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7721743583679199},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.7007780075073242},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.6850334405899048},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.6691051721572876},{"id":"https://openalex.org/keywords/tree","display_name":"Tree (set theory)","score":0.5299944281578064},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4918367862701416},{"id":"https://openalex.org/keywords/modulation","display_name":"Modulation (music)","score":0.4823569655418396},{"id":"https://openalex.org/keywords/broadband","display_name":"Broadband","score":0.4657355844974518},{"id":"https://openalex.org/keywords/link-adaptation","display_name":"Link adaptation","score":0.4401397705078125},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.42519333958625793},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.351793497800827},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.17925989627838135},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.14851269125938416},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.13083860278129578},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.11701041460037231}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7721743583679199},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.7007780075073242},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6850334405899048},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.6691051721572876},{"id":"https://openalex.org/C113174947","wikidata":"https://www.wikidata.org/wiki/Q2859736","display_name":"Tree (set theory)","level":2,"score":0.5299944281578064},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4918367862701416},{"id":"https://openalex.org/C123079801","wikidata":"https://www.wikidata.org/wiki/Q750240","display_name":"Modulation (music)","level":2,"score":0.4823569655418396},{"id":"https://openalex.org/C509933004","wikidata":"https://www.wikidata.org/wiki/Q194163","display_name":"Broadband","level":2,"score":0.4657355844974518},{"id":"https://openalex.org/C138916503","wikidata":"https://www.wikidata.org/wiki/Q2714551","display_name":"Link adaptation","level":4,"score":0.4401397705078125},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.42519333958625793},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.351793497800827},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.17925989627838135},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.14851269125938416},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.13083860278129578},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.11701041460037231},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"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/C107038049","wikidata":"https://www.wikidata.org/wiki/Q35986","display_name":"Aesthetics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icc.2012.6363944","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc.2012.6363944","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE International Conference on Communications (ICC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.4300000071525574}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W2010221795","https://openalex.org/W2016321232","https://openalex.org/W2088652671","https://openalex.org/W2089997550","https://openalex.org/W2097567644","https://openalex.org/W2100852941","https://openalex.org/W2101412740","https://openalex.org/W2122651897","https://openalex.org/W2123068486","https://openalex.org/W2128892871","https://openalex.org/W2146419976","https://openalex.org/W2163925452","https://openalex.org/W2169585848","https://openalex.org/W2170975845"],"related_works":["https://openalex.org/W2548963335","https://openalex.org/W2159941915","https://openalex.org/W1995129237","https://openalex.org/W4388081250","https://openalex.org/W2909457694","https://openalex.org/W1761601995","https://openalex.org/W3021132343","https://openalex.org/W2363366933","https://openalex.org/W1485245930","https://openalex.org/W2108719724"],"abstract_inverted_index":{"OFDM":[0,24],"PON":[1,25,49],"has":[2],"been":[3],"considered":[4],"to":[5],"be":[6],"one":[7],"of":[8,46,56],"the":[9,20,32,54,85],"most":[10],"prominent":[11],"next-generation":[12],"broadband":[13],"wired":[14],"access":[15],"solutions.":[16],"However,":[17],"based":[18],"on":[19],"current":[21],"tree-architecture,":[22],"existing":[23],"systems":[26],"face":[27],"severe":[28],"challenges":[29],"when":[30],"increasing":[31],"scalability":[33],"and":[34,66,78,88,96],"data-rate":[35],"performance.":[36],"In":[37],"this":[38],"paper,":[39],"we":[40],"propose":[41],"a":[42,74],"novel":[43],"virtual-tree":[44],"architecture":[45],"an":[47],"OFDMA":[48],"system":[50],"(VTOPS).":[51],"Coupled":[52],"with":[53],"use":[55],"inexpensive":[57],"direct":[58],"modulation,":[59,91],"VTOPS":[60,92],"simultaneously":[61],"achieves":[62,93],"high":[63,70],"reliability,":[64],"scalability,":[65],"spectrum":[67],"efficiency":[68],"(i.e.,":[69],"data":[71],"rate)":[72],"in":[73],"cost-effective":[75],"manner.":[76],"Theoretical":[77],"experimental":[79],"results":[80],"demonstrate":[81],"that,":[82],"by":[83],"applying":[84],"pre-emphasis":[86],"algorithm":[87],"subchannel":[89],"adaptive":[90],"40-Gb/s":[94],"downlink":[95],"uplink":[97],"transmissions":[98],"using":[99],"low-cost":[100],"10-GHz":[101],"directly":[102],"modulated":[103],"lasers.":[104]},"counts_by_year":[{"year":2017,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
