{"id":"https://openalex.org/W2065416983","doi":"https://doi.org/10.1145/1968613.1968628","title":"Opportunistic sub-carrier allocation algorithm for soft frequency reuse in OFDMA systems","display_name":"Opportunistic sub-carrier allocation algorithm for soft frequency reuse in OFDMA systems","publication_year":2011,"publication_date":"2011-02-21","ids":{"openalex":"https://openalex.org/W2065416983","doi":"https://doi.org/10.1145/1968613.1968628","mag":"2065416983"},"language":"en","primary_location":{"id":"doi:10.1145/1968613.1968628","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1968613.1968628","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 5th International Conference on Ubiquitous Information Management and Communication","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/A5057105104","display_name":"Bumkwi Choi","orcid":null},"institutions":[{"id":"https://openalex.org/I848706","display_name":"Sungkyunkwan University","ror":"https://ror.org/04q78tk20","country_code":"KR","type":"education","lineage":["https://openalex.org/I848706"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Bumkwi Choi","raw_affiliation_strings":["Sungkyunkwan University, Suwon, Korea","Sungkyunkwan University , Suwon, Korea"],"affiliations":[{"raw_affiliation_string":"Sungkyunkwan University, Suwon, Korea","institution_ids":["https://openalex.org/I848706"]},{"raw_affiliation_string":"Sungkyunkwan University , Suwon, Korea","institution_ids":["https://openalex.org/I848706"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100708872","display_name":"Tae\u2010Jin Lee","orcid":"https://orcid.org/0000-0002-3985-7808"},"institutions":[{"id":"https://openalex.org/I848706","display_name":"Sungkyunkwan University","ror":"https://ror.org/04q78tk20","country_code":"KR","type":"education","lineage":["https://openalex.org/I848706"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Tae-Jin Lee","raw_affiliation_strings":["Sungkyunkwan University, Suwon, Korea","Sungkyunkwan University , Suwon, Korea"],"affiliations":[{"raw_affiliation_string":"Sungkyunkwan University, Suwon, Korea","institution_ids":["https://openalex.org/I848706"]},{"raw_affiliation_string":"Sungkyunkwan University , Suwon, Korea","institution_ids":["https://openalex.org/I848706"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5057105104"],"corresponding_institution_ids":["https://openalex.org/I848706"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.11485404,"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":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11409","display_name":"Advanced Wireless Network Optimization","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/T11409","display_name":"Advanced Wireless Network Optimization","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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9988999962806702,"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/T10575","display_name":"Wireless Communication Networks Research","score":0.9986000061035156,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/frequency-reuse","display_name":"Frequency reuse","score":0.8270689249038696},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8140178918838501},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiple-access","display_name":"Orthogonal frequency-division multiple access","score":0.7393848896026611},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.7032832503318787},{"id":"https://openalex.org/keywords/quality-of-service","display_name":"Quality of service","score":0.6263614892959595},{"id":"https://openalex.org/keywords/scheduling","display_name":"Scheduling (production processes)","score":0.5887004733085632},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.5505132079124451},{"id":"https://openalex.org/keywords/channel-allocation-schemes","display_name":"Channel allocation schemes","score":0.5213476419448853},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.4643206000328064},{"id":"https://openalex.org/keywords/reuse","display_name":"Reuse","score":0.46261292695999146},{"id":"https://openalex.org/keywords/frequency-division-multiple-access","display_name":"Frequency-division multiple access","score":0.43252915143966675},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.38692834973335266},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3351523280143738},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.330922931432724},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.24670913815498352},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.21944400668144226},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.12216970324516296},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.10413268208503723},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.10370004177093506}],"concepts":[{"id":"https://openalex.org/C2985367402","wikidata":"https://www.wikidata.org/wiki/Q535695","display_name":"Frequency reuse","level":3,"score":0.8270689249038696},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8140178918838501},{"id":"https://openalex.org/C2775907427","wikidata":"https://www.wikidata.org/wiki/Q2697649","display_name":"Orthogonal frequency-division multiple access","level":4,"score":0.7393848896026611},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.7032832503318787},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.6263614892959595},{"id":"https://openalex.org/C206729178","wikidata":"https://www.wikidata.org/wiki/Q2271896","display_name":"Scheduling (production processes)","level":2,"score":0.5887004733085632},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5505132079124451},{"id":"https://openalex.org/C114237682","wikidata":"https://www.wikidata.org/wiki/Q5072483","display_name":"Channel allocation schemes","level":3,"score":0.5213476419448853},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.4643206000328064},{"id":"https://openalex.org/C206588197","wikidata":"https://www.wikidata.org/wiki/Q846574","display_name":"Reuse","level":2,"score":0.46261292695999146},{"id":"https://openalex.org/C2776208322","wikidata":"https://www.wikidata.org/wiki/Q844071","display_name":"Frequency-division multiple access","level":4,"score":0.43252915143966675},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.38692834973335266},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3351523280143738},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.330922931432724},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.24670913815498352},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.21944400668144226},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.12216970324516296},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.10413268208503723},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.10370004177093506},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C548081761","wikidata":"https://www.wikidata.org/wiki/Q180388","display_name":"Waste management","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/1968613.1968628","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1968613.1968628","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 5th International Conference on Ubiquitous Information Management and Communication","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure","score":0.5099999904632568}],"awards":[{"id":"https://openalex.org/G6820045090","display_name":null,"funder_award_id":"NIPA-2010-(C1090-1011-0005)","funder_id":"https://openalex.org/F4320321640","funder_display_name":"Ministry of Knowledge Economy"},{"id":"https://openalex.org/G7145069327","display_name":null,"funder_award_id":"2010-0020210","funder_id":"https://openalex.org/F4320322349","funder_display_name":"Ministry of Education, Science and Technology"},{"id":"https://openalex.org/G8779909635","display_name":null,"funder_award_id":"NIPA-2010-(C1090-1011-0005)","funder_id":"https://openalex.org/F4320322065","funder_display_name":"National IT Industry Promotion Agency"}],"funders":[{"id":"https://openalex.org/F4320321640","display_name":"Ministry of Knowledge Economy","ror":"https://ror.org/008nkqk13"},{"id":"https://openalex.org/F4320322065","display_name":"National IT Industry Promotion Agency","ror":"https://ror.org/026v53e29"},{"id":"https://openalex.org/F4320322349","display_name":"Ministry of Education, Science and Technology","ror":"https://ror.org/01p262204"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W2096337246","https://openalex.org/W2100604136","https://openalex.org/W2102026254","https://openalex.org/W2122661933","https://openalex.org/W2130694428","https://openalex.org/W2138483811","https://openalex.org/W2151523666","https://openalex.org/W2152641088","https://openalex.org/W2166191852"],"related_works":["https://openalex.org/W2025189274","https://openalex.org/W2169305728","https://openalex.org/W2201163307","https://openalex.org/W1545149515","https://openalex.org/W2078013232","https://openalex.org/W1978581833","https://openalex.org/W2042624339","https://openalex.org/W2094358564","https://openalex.org/W1992128033","https://openalex.org/W2182182191"],"abstract_inverted_index":{"Orthogonal":[0],"frequency":[1,21,51],"division":[2],"multiple":[3],"access":[4],"(OFDMA)":[5],"is":[6,133],"a":[7,30],"promising":[8],"technique":[9],"for":[10,95],"high":[11],"data":[12],"rate":[13],"communications":[14],"in":[15,26],"the":[16,35,45,48,100,108,112,117,123,130,141,149],"future":[17],"cellular":[18],"systems.":[19],"Since":[20],"resources":[22],"are":[23],"universally":[24],"reused":[25],"every":[27],"cell":[28],"of":[29,47,63,104,129],"system,":[31,49],"users":[32,105,114],"located":[33],"near":[34],"cell-edge":[36],"might":[37],"experience":[38],"severe":[39],"inter-cell":[40],"interferences":[41],"(ICIs).":[42],"To":[43],"increase":[44],"performance":[46,128],"soft":[50],"reuse":[52],"(SFR)":[53],"with":[54],"an":[55,71,90],"adaptive":[56],"sub-carrier":[57,92],"allocation":[58,93],"algorithm":[59,94],"considering":[60],"user's":[61],"quality":[62],"service":[64],"(QoS)":[65],"requirement":[66],"has":[67],"been":[68],"proposed.":[69],"However,":[70],"appropriate":[72],"scheduling":[73],"mechanism":[74],"after":[75],"satisfying":[76],"users'":[77],"minimum":[78,101],"required":[79,102],"throughput":[80,103,145],"needs":[81],"to":[82,111,121],"be":[83],"provided.":[84],"In":[85],"this":[86],"paper,":[87],"we":[88],"propose":[89],"opportunistic":[91],"SFR":[96],"(OSFR)":[97],"that":[98,140],"meets":[99],"and":[106],"allocates":[107],"remaining":[109],"sub-carriers":[110],"candidate":[113],"who":[115],"have":[116],"best":[118],"channel":[119],"conditions":[120],"enhance":[122],"overall":[124],"network":[125],"throughput.":[126],"The":[127],"proposed":[131,142],"OSFR":[132,143],"investigated":[134],"via":[135],"simulations.":[136],"Simulation":[137],"results":[138],"show":[139],"improves":[144],"as":[146,148],"well":[147],"outage":[150],"performance.":[151]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}