{"id":"https://openalex.org/W2613346349","doi":"https://doi.org/10.1109/dyspan.2017.7920786","title":"COTA: Channel occupancy time adaptation for LTE in unlicensed spectrum","display_name":"COTA: Channel occupancy time adaptation for LTE in unlicensed spectrum","publication_year":2017,"publication_date":"2017-03-01","ids":{"openalex":"https://openalex.org/W2613346349","doi":"https://doi.org/10.1109/dyspan.2017.7920786","mag":"2613346349"},"language":"en","primary_location":{"id":"doi:10.1109/dyspan.2017.7920786","is_oa":false,"landing_page_url":"https://doi.org/10.1109/dyspan.2017.7920786","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 IEEE International Symposium on Dynamic Spectrum Access Networks (DySPAN)","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/A5043637826","display_name":"Kangjin Yoon","orcid":null},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Kangjin Yoon","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Seoul National University, Seoul, Korea"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Seoul National University, Seoul, Korea","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112743854","display_name":"Taejun Park","orcid":null},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Taejun Park","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Seoul National University, Seoul, Korea"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Seoul National University, Seoul, Korea","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100377810","display_name":"Ji-Hoon Kim","orcid":"https://orcid.org/0000-0002-9217-4483"},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jihoon Kim","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Seoul National University, Seoul, Korea"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Seoul National University, Seoul, Korea","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100637913","display_name":"Weiping Sun","orcid":"https://orcid.org/0000-0002-1615-2282"},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Weiping Sun","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Seoul National University, Seoul, Korea"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Seoul National University, Seoul, Korea","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088821212","display_name":"Sunwook Hwang","orcid":"https://orcid.org/0000-0002-8270-7231"},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Sunwook Hwang","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Seoul National University, Seoul, Korea"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Seoul National University, Seoul, Korea","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065491226","display_name":"Ingab Kang","orcid":"https://orcid.org/0000-0002-2125-0573"},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Ingab Kang","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Seoul National University, Seoul, Korea"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Seoul National University, Seoul, Korea","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5047706011","display_name":"Sunghyun Choi","orcid":"https://orcid.org/0000-0003-0279-445X"},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Sunghyun Choi","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Seoul National University, Seoul, Korea"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Seoul National University, Seoul, Korea","institution_ids":["https://openalex.org/I139264467"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5043637826"],"corresponding_institution_ids":["https://openalex.org/I139264467"],"apc_list":null,"apc_paid":null,"fwci":3.3152,"has_fulltext":false,"cited_by_count":17,"citation_normalized_percentile":{"value":0.93173017,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"10"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11158","display_name":"Wireless Networks and Protocols","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11158","display_name":"Wireless Networks and Protocols","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11409","display_name":"Advanced Wireless Network Optimization","score":0.9957000017166138,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.995199978351593,"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/enodeb","display_name":"EnodeB","score":0.7887197136878967},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7095822691917419},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.6641883850097656},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.6630460023880005},{"id":"https://openalex.org/keywords/phy","display_name":"PHY","score":0.5786634683609009},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5673397779464722},{"id":"https://openalex.org/keywords/spectrum-management","display_name":"Spectrum management","score":0.5205998420715332},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.49729254841804504},{"id":"https://openalex.org/keywords/protocol-data-unit","display_name":"Protocol data unit","score":0.4872352182865143},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.42009514570236206},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3423067629337311},{"id":"https://openalex.org/keywords/physical-layer","display_name":"Physical layer","score":0.3356185257434845},{"id":"https://openalex.org/keywords/network-packet","display_name":"Network packet","score":0.2648419737815857},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1597784161567688},{"id":"https://openalex.org/keywords/cognitive-radio","display_name":"Cognitive radio","score":0.12982195615768433}],"concepts":[{"id":"https://openalex.org/C2776384992","wikidata":"https://www.wikidata.org/wiki/Q5379353","display_name":"EnodeB","level":4,"score":0.7887197136878967},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7095822691917419},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.6641883850097656},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.6630460023880005},{"id":"https://openalex.org/C41918916","wikidata":"https://www.wikidata.org/wiki/Q192727","display_name":"PHY","level":4,"score":0.5786634683609009},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5673397779464722},{"id":"https://openalex.org/C63029442","wikidata":"https://www.wikidata.org/wiki/Q6504978","display_name":"Spectrum management","level":4,"score":0.5205998420715332},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.49729254841804504},{"id":"https://openalex.org/C21853045","wikidata":"https://www.wikidata.org/wiki/Q2634565","display_name":"Protocol data unit","level":3,"score":0.4872352182865143},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.42009514570236206},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3423067629337311},{"id":"https://openalex.org/C19247436","wikidata":"https://www.wikidata.org/wiki/Q192727","display_name":"Physical layer","level":3,"score":0.3356185257434845},{"id":"https://openalex.org/C158379750","wikidata":"https://www.wikidata.org/wiki/Q214111","display_name":"Network packet","level":2,"score":0.2648419737815857},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1597784161567688},{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.12982195615768433},{"id":"https://openalex.org/C2781327853","wikidata":"https://www.wikidata.org/wiki/Q3552547","display_name":"User equipment","level":3,"score":0.0},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/dyspan.2017.7920786","is_oa":false,"landing_page_url":"https://doi.org/10.1109/dyspan.2017.7920786","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 IEEE International Symposium on Dynamic Spectrum Access Networks (DySPAN)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4399999976158142,"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1008745564","https://openalex.org/W1506432011","https://openalex.org/W1513504982","https://openalex.org/W1515745577","https://openalex.org/W1541821976","https://openalex.org/W1566269841","https://openalex.org/W1573853977","https://openalex.org/W2048839029","https://openalex.org/W2085392259","https://openalex.org/W2290110915","https://openalex.org/W2292837492","https://openalex.org/W2292922311","https://openalex.org/W2421246997","https://openalex.org/W2480650319","https://openalex.org/W2485222091","https://openalex.org/W2525323163","https://openalex.org/W3105333690"],"related_works":["https://openalex.org/W2981655990","https://openalex.org/W2945523224","https://openalex.org/W4313639042","https://openalex.org/W2760894287","https://openalex.org/W2444418218","https://openalex.org/W2727597159","https://openalex.org/W2065286672","https://openalex.org/W4241709719","https://openalex.org/W2514934301","https://openalex.org/W1488909492"],"abstract_inverted_index":{"LTE":[0,17,46],"operation":[1,47,77],"in":[2,11,32,48],"unlicensed":[3,20,51],"spectrum":[4],"is":[5,30,86,105,198],"emerging":[6],"as":[7],"a":[8,56,95,124,159],"promising":[9],"technology":[10],"achieving":[12],"higher":[13],"data":[14,170],"rate":[15],"with":[16,129,145,207],"since":[18],"ultra-wide":[19],"spectrum,":[21,52,68],"e.g.,":[22],"about":[23],"500":[24],"MHz":[25],"at":[26],"5-6":[27],"GHz":[28,50,67],"range,":[29],"available":[31],"most":[33],"countries.":[34],"Recently,":[35],"3GPP":[36],"has":[37,54,94],"finalized":[38],"standardization":[39],"of":[40,91,155,181,188,205,218],"licensed":[41],"assisted":[42],"access":[43,82],"(LAA)":[44],"for":[45,59,118],"5":[49,66],"which":[53,104,164],"been":[55],"playground":[57],"only":[58,194],"Wi-Fi.":[60,147,243],"LAA":[61,93,241],"defines":[62],"downlink":[63],"transmission":[64,90,109],"over":[65],"where":[69],"channel":[70,100,112],"sensing,":[71,113],"i.e.,":[72],"listen":[73],"before":[74,88],"talk":[75],"(LBT)":[76],"similar":[78],"to":[79,178,231],"Wi-Fi":[80,115,127,131,143,166,189,196,210,219,233],"medium":[81],"control":[83],"(MAC)":[84],"protocol,":[85],"performed":[87],"each":[89],"eNodeB.":[92],"fixed":[96],"8":[97],"ms":[98],"maximum":[99,107],"occupancy":[101],"time":[102,110,121],"(COT),":[103],"the":[106,179],"continuous":[108],"after":[111],"while":[114,236],"may":[116],"transmit":[117],"much":[119,137],"shorter":[120],"duration.":[122],"As":[123],"result,":[125],"when":[126,142],"coexists":[128,144],"LAA,":[130],"airtime":[132,151,238],"and":[133,152,174,191,212,242],"throughput":[134,154,234],"can":[135],"be":[136],"less":[138],"than":[139],"those":[140],"achieved":[141],"another":[146],"To":[148],"guarantee":[149],"fair":[150],"improve":[153],"Wi-Fi,":[156],"we":[157,225],"propose":[158],"COT":[160,177,193],"adaptation":[161],"(COTA)":[162],"algorithm,":[163],"observes":[165],"aggregate":[167],"MAC":[168],"protocol":[169],"unit":[171],"(A-MPDU)":[172],"frames":[173],"matches":[175],"LAA's":[176],"duration":[180],"A-MPDU":[182],"frames.":[183],"Moreover,":[184],"COTA":[185,206,215,228],"detects":[186,216],"saturation":[187,202,217],"traffic":[190,197],"adjusts":[192],"if":[195],"saturated.":[199],"We":[200],"prototype":[201],"detection":[203],"algorithm":[204],"commercial":[208],"off-the-shelf":[209],"device":[211],"show":[213],"that":[214,227],"networks":[220],"accurately.":[221],"Through":[222],"ns-3":[223],"simulations,":[224],"demonstrate":[226],"achieves":[229],"up":[230],"153%":[232],"gain":[235],"providing":[237],"fairness":[239],"between":[240]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":6},{"year":2018,"cited_by_count":5},{"year":2017,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}