{"id":"https://openalex.org/W3048810014","doi":"https://doi.org/10.1109/access.2020.3015762","title":"Opportunism in Spectrum Sharing for Beyond 5G With Sub-6 GHz: A Concept and Its Application to Duplexing","display_name":"Opportunism in Spectrum Sharing for Beyond 5G With Sub-6 GHz: A Concept and Its Application to Duplexing","publication_year":2020,"publication_date":"2020-01-01","ids":{"openalex":"https://openalex.org/W3048810014","doi":"https://doi.org/10.1109/access.2020.3015762","mag":"3048810014"},"language":"en","primary_location":{"id":"doi:10.1109/access.2020.3015762","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.3015762","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/09164966.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/09164966.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100671960","display_name":"Soo-Min Kim","orcid":"https://orcid.org/0000-0002-7448-0882"},"institutions":[{"id":"https://openalex.org/I193775966","display_name":"Yonsei University","ror":"https://ror.org/01wjejq96","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Soo-Min Kim","raw_affiliation_strings":["School of Electrical and Electronic Engineering, Yonsei University, Seoul, South Korea","School of Integrated Technology, Yonsei University, Seoul, South Korea"],"raw_orcid":"https://orcid.org/0000-0002-7448-0882","affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Yonsei University, Seoul, South Korea","institution_ids":["https://openalex.org/I193775966"]},{"raw_affiliation_string":"School of Integrated Technology, Yonsei University, Seoul, South Korea","institution_ids":["https://openalex.org/I193775966"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102804514","display_name":"Jemin Kim","orcid":"https://orcid.org/0000-0001-9340-6234"},"institutions":[{"id":"https://openalex.org/I134353371","display_name":"SK Group (South Korea)","ror":"https://ror.org/03696td91","country_code":"KR","type":"company","lineage":["https://openalex.org/I134353371"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jeemin Kim","raw_affiliation_strings":["Access Engineering Team, SK Telecom, Seoul, South Korea"],"raw_orcid":"https://orcid.org/0000-0001-9340-6234","affiliations":[{"raw_affiliation_string":"Access Engineering Team, SK Telecom, Seoul, South Korea","institution_ids":["https://openalex.org/I134353371"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063955091","display_name":"Han Cha","orcid":"https://orcid.org/0000-0003-3304-6649"},"institutions":[{"id":"https://openalex.org/I193775966","display_name":"Yonsei University","ror":"https://ror.org/01wjejq96","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Han Cha","raw_affiliation_strings":["School of Electrical and Electronic Engineering, Yonsei University, Seoul, South Korea"],"raw_orcid":"https://orcid.org/0000-0003-3304-6649","affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Yonsei University, Seoul, South Korea","institution_ids":["https://openalex.org/I193775966"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065843514","display_name":"Min Soo Sim","orcid":"https://orcid.org/0000-0001-5108-1646"},"institutions":[{"id":"https://openalex.org/I193775966","display_name":"Yonsei University","ror":"https://ror.org/01wjejq96","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Min Soo Sim","raw_affiliation_strings":["School of Integrated Technology, Yonsei University, Seoul, South Korea"],"raw_orcid":"https://orcid.org/0000-0001-5108-1646","affiliations":[{"raw_affiliation_string":"School of Integrated Technology, Yonsei University, Seoul, South Korea","institution_ids":["https://openalex.org/I193775966"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Jinho Choi","orcid":"https://orcid.org/0000-0002-5779-3414"},"institutions":[{"id":"https://openalex.org/I2250650973","display_name":"Samsung (South Korea)","ror":"https://ror.org/04w3jy968","country_code":"KR","type":"company","lineage":["https://openalex.org/I2250650973"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jinho Choi","raw_affiliation_strings":["Samsung Research, Samsung Electronics, Seoul, South Korea"],"raw_orcid":"https://orcid.org/0000-0002-5779-3414","affiliations":[{"raw_affiliation_string":"Samsung Research, Samsung Electronics, Seoul, South Korea","institution_ids":["https://openalex.org/I2250650973"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036592953","display_name":"Seung\u2010Woo Ko","orcid":"https://orcid.org/0000-0002-8592-7408"},"institutions":[{"id":"https://openalex.org/I197867492","display_name":"Korea Maritime and Ocean University","ror":"https://ror.org/01v7y5b55","country_code":"KR","type":"education","lineage":["https://openalex.org/I197867492"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Seung-Woo Ko","raw_affiliation_strings":["Division of Electronics and Electrical Information Engineering, Korea Maritime and Ocean University (KMOU), Busan, South Korea"],"raw_orcid":"https://orcid.org/0000-0002-8592-7408","affiliations":[{"raw_affiliation_string":"Division of Electronics and Electrical Information Engineering, Korea Maritime and Ocean University (KMOU), Busan, South Korea","institution_ids":["https://openalex.org/I197867492"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079863632","display_name":"Chan\u2010Byoung Chae","orcid":"https://orcid.org/0000-0001-9561-3341"},"institutions":[{"id":"https://openalex.org/I193775966","display_name":"Yonsei University","ror":"https://ror.org/01wjejq96","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Chan-Byoung Chae","raw_affiliation_strings":["School of Integrated Technology, Yonsei University, Seoul, South Korea"],"raw_orcid":"https://orcid.org/0000-0001-9561-3341","affiliations":[{"raw_affiliation_string":"School of Integrated Technology, Yonsei University, Seoul, South Korea","institution_ids":["https://openalex.org/I193775966"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5027772072","display_name":"Seong\u2010Lyun Kim","orcid":"https://orcid.org/0000-0002-5228-9913"},"institutions":[{"id":"https://openalex.org/I193775966","display_name":"Yonsei University","ror":"https://ror.org/01wjejq96","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Seong-Lyun Kim","raw_affiliation_strings":["School of Electrical and Electronic Engineering, Yonsei University, Seoul, South Korea","School of Integrated Technology, Yonsei University, Seoul, South Korea"],"raw_orcid":"https://orcid.org/0000-0002-5228-9913","affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Yonsei University, Seoul, South Korea","institution_ids":["https://openalex.org/I193775966"]},{"raw_affiliation_string":"School of Integrated Technology, Yonsei University, Seoul, South Korea","institution_ids":["https://openalex.org/I193775966"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":8,"corresponding_author_ids":["https://openalex.org/A5100671960"],"corresponding_institution_ids":["https://openalex.org/I193775966"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":1.7687,"has_fulltext":true,"cited_by_count":24,"citation_normalized_percentile":{"value":0.85128932,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"8","issue":null,"first_page":"148877","last_page":"148891"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12791","display_name":"Full-Duplex Wireless Communications","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/T12791","display_name":"Full-Duplex Wireless Communications","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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9990000128746033,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9973999857902527,"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/opportunism","display_name":"Opportunism","score":0.8468583226203918},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5352635383605957},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4539806544780731},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.4310782253742218},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.36406081914901733},{"id":"https://openalex.org/keywords/business","display_name":"Business","score":0.3428688645362854},{"id":"https://openalex.org/keywords/economics","display_name":"Economics","score":0.1250211000442505}],"concepts":[{"id":"https://openalex.org/C129631789","wikidata":"https://www.wikidata.org/wiki/Q334173","display_name":"Opportunism","level":2,"score":0.8468583226203918},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5352635383605957},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4539806544780731},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.4310782253742218},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.36406081914901733},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.3428688645362854},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.1250211000442505},{"id":"https://openalex.org/C34447519","wikidata":"https://www.wikidata.org/wiki/Q179522","display_name":"Market economy","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2020.3015762","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.3015762","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/09164966.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:c159957ca1c14ffc9014b1a8b1b75068","is_oa":true,"landing_page_url":"https://doaj.org/article/c159957ca1c14ffc9014b1a8b1b75068","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 8, Pp 148877-148891 (2020)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2020.3015762","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.3015762","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/09164966.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.47999998927116394,"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9"}],"awards":[{"id":"https://openalex.org/G938080514","display_name":null,"funder_award_id":"2018-0-00923","funder_id":"https://openalex.org/F4320335489","funder_display_name":"Institute for Information and Communications Technology Promotion"}],"funders":[{"id":"https://openalex.org/F4320328359","display_name":"Ministry of Science and ICT, South Korea","ror":"https://ror.org/01wpjm123"},{"id":"https://openalex.org/F4320335489","display_name":"Institute for Information and Communications Technology Promotion","ror":"https://ror.org/01g0hqq23"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3048810014.pdf","grobid_xml":"https://content.openalex.org/works/W3048810014.grobid-xml"},"referenced_works_count":35,"referenced_works":["https://openalex.org/W631335369","https://openalex.org/W2060794069","https://openalex.org/W2068349247","https://openalex.org/W2101840010","https://openalex.org/W2115603171","https://openalex.org/W2119358032","https://openalex.org/W2136877591","https://openalex.org/W2143078474","https://openalex.org/W2146234956","https://openalex.org/W2147183484","https://openalex.org/W2150166076","https://openalex.org/W2160030828","https://openalex.org/W2166529894","https://openalex.org/W2167443349","https://openalex.org/W2200649111","https://openalex.org/W2286245152","https://openalex.org/W2500298611","https://openalex.org/W2585681423","https://openalex.org/W2593947538","https://openalex.org/W2734019509","https://openalex.org/W2766845249","https://openalex.org/W2784267991","https://openalex.org/W2791567712","https://openalex.org/W2895662431","https://openalex.org/W2909649254","https://openalex.org/W2962373901","https://openalex.org/W2962897936","https://openalex.org/W3010176898","https://openalex.org/W3011676575","https://openalex.org/W3013734961","https://openalex.org/W3037481690","https://openalex.org/W3040897111","https://openalex.org/W3103745281","https://openalex.org/W4234395241","https://openalex.org/W6780175688"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2050308155","https://openalex.org/W2724229960","https://openalex.org/W2932319714","https://openalex.org/W2010920191","https://openalex.org/W4280570406","https://openalex.org/W4248207452","https://openalex.org/W2486858298","https://openalex.org/W2057306453","https://openalex.org/W2939857192"],"abstract_inverted_index":{"With":[0],"the":[1,8,19,29,45,55,58,65,84,95,130,135,139,148,159,164,169,174,178,203,207,216],"envisioned":[2],"massive":[3],"connectivity":[4],"era,":[5],"one":[6],"of":[7,31,53,57,67,97,112,138,206],"challenges":[9],"for":[10,158],"5G/Beyond":[11],"5G":[12],"(B5G)":[13],"wireless":[14],"systems":[15],"will":[16],"be":[17],"handling":[18],"unprecedented":[20],"spectrum":[21,32,39,59,68,149,160,165],"crunch.":[22],"A":[23],"potential":[24],"solution":[25],"has":[26],"emerged":[27],"in":[28,70,93],"form":[30],"sharing,":[33],"which":[34,94],"deviates":[35],"from":[36],"a":[37,51,71,74,89,98,109,120,155,183],"monopolistic":[38],"usage":[40,166],"system.":[41,209],"This":[42,143],"paper":[43],"investigates":[44],"medium":[46],"access":[47,69,96,161],"control":[48],"(MAC)":[49],"as":[50,78],"means":[52],"increasing":[54],"viability":[56],"sharing":[60,150],"technique.":[61],"We":[62,191],"first":[63],"quantify":[64],"opportunity":[66],"probabilistic":[72],"manner,":[73],"method":[75],"referred":[76],"to":[77,134,163],"opportunistic":[79],"(OP)":[80],"map.":[81],"Based":[82],"on":[83,201],"OP":[85,106,136],"framework,":[86],"we":[87,118,172],"propose":[88,119],"random":[90,116],"MAC":[91],"algorithm":[92],"node":[99],"is":[100],"randomly":[101],"determined":[102],"with":[103,147],"its":[104],"own":[105],"value.":[107],"As":[108],"possible":[110],"application":[111],"our":[113],"OP-map":[114],"based":[115,188,198],"MAC,":[117],"flexible":[121,156],"half-duplex":[122],"(HD)/full-duplex":[123],"(FD)":[124],"communication":[125],"where":[126],"each":[127],"pair":[128,141],"decides":[129],"duplexing":[131],"mode":[132],"according":[133,162],"values":[137],"two":[140],"nodes.":[142],"approach":[144],"fits":[145],"well":[146],"system":[151,222],"since":[152],"it":[153],"enables":[154],"operation":[157],"level.":[167],"From":[168],"numerical":[170,212],"analysis,":[171],"validate":[173],"feasibility":[175],"and":[176,211],"verify":[177],"performance":[179,205],"enhancements":[180],"by":[181],"implementing":[182],"field-programmable":[184],"gate":[185],"array":[186],"(FPGA)":[187],"real-time":[189],"prototype.":[190],"further":[192],"carry":[193],"out":[194],"extensive":[195],"3D":[196],"ray-tracing":[197],"system-level":[199],"simulations":[200],"investigating":[202],"network-level":[204],"proposed":[208,217],"Measurements":[210],"results":[213],"confirm":[214],"that":[215],"architecture":[218],"can":[219],"achieve":[220],"higher":[221],"throughput":[223],"than":[224],"conventional":[225],"LTE-TDD":[226],"(time":[227],"division":[228],"duplex)":[229],"systems.":[230]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":8},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":1}],"updated_date":"2026-05-28T09:10:13.091523","created_date":"2025-10-10T00:00:00"}