{"id":"https://openalex.org/W2044214616","doi":"https://doi.org/10.1109/iswcs.2010.5624407","title":"OFDMA cognitive radio medium access control using multichannel ALOHA","display_name":"OFDMA cognitive radio medium access control using multichannel ALOHA","publication_year":2010,"publication_date":"2010-09-01","ids":{"openalex":"https://openalex.org/W2044214616","doi":"https://doi.org/10.1109/iswcs.2010.5624407","mag":"2044214616"},"language":"en","primary_location":{"id":"doi:10.1109/iswcs.2010.5624407","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iswcs.2010.5624407","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2010 7th International Symposium on Wireless Communication Systems","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/A5038482249","display_name":"Sangho Choe","orcid":"https://orcid.org/0000-0001-5294-6154"},"institutions":[{"id":"https://openalex.org/I87111246","display_name":"Catholic University of Korea","ror":"https://ror.org/01fpnj063","country_code":"KR","type":"education","lineage":["https://openalex.org/I87111246"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"S. Choe","raw_affiliation_strings":["Department of Information, Communications, and Electronic Engineering, Catholic University of Korea, Bucheon, South Korea","Department of Information, Communications, and Electronic Engineering The Catholic University of Korea, Bucheon, Korea"],"affiliations":[{"raw_affiliation_string":"Department of Information, Communications, and Electronic Engineering, Catholic University of Korea, Bucheon, South Korea","institution_ids":["https://openalex.org/I87111246"]},{"raw_affiliation_string":"Department of Information, Communications, and Electronic Engineering The Catholic University of Korea, Bucheon, Korea","institution_ids":["https://openalex.org/I87111246"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5038482249"],"corresponding_institution_ids":["https://openalex.org/I87111246"],"apc_list":null,"apc_paid":null,"fwci":0.7122,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.72234402,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":97},"biblio":{"volume":"1","issue":null,"first_page":"244","last_page":"249"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10579","display_name":"Cognitive Radio Networks and Spectrum Sensing","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/T10579","display_name":"Cognitive Radio Networks and Spectrum Sensing","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/T11158","display_name":"Wireless Networks and Protocols","score":0.9995999932289124,"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/T10575","display_name":"Wireless Communication Networks Research","score":0.9994000196456909,"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/aloha","display_name":"Aloha","score":0.9134061932563782},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7696016430854797},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.7357620000839233},{"id":"https://openalex.org/keywords/cognitive-radio","display_name":"Cognitive radio","score":0.7201901078224182},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.6272256970405579},{"id":"https://openalex.org/keywords/frequency-division-multiple-access","display_name":"Frequency-division multiple access","score":0.6191922426223755},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiple-access","display_name":"Orthogonal frequency-division multiple access","score":0.5748646855354309},{"id":"https://openalex.org/keywords/access-control","display_name":"Access control","score":0.5287948250770569},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.5286983251571655},{"id":"https://openalex.org/keywords/control-channel","display_name":"Control channel","score":0.5041710138320923},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4771296977996826},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.39469778537750244},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.34691953659057617},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.2626262605190277},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.25606513023376465},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.23863717913627625},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.11388283967971802}],"concepts":[{"id":"https://openalex.org/C2776398200","wikidata":"https://www.wikidata.org/wiki/Q508880","display_name":"Aloha","level":4,"score":0.9134061932563782},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7696016430854797},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.7357620000839233},{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.7201901078224182},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.6272256970405579},{"id":"https://openalex.org/C2776208322","wikidata":"https://www.wikidata.org/wiki/Q844071","display_name":"Frequency-division multiple access","level":4,"score":0.6191922426223755},{"id":"https://openalex.org/C2775907427","wikidata":"https://www.wikidata.org/wiki/Q2697649","display_name":"Orthogonal frequency-division multiple access","level":4,"score":0.5748646855354309},{"id":"https://openalex.org/C527821871","wikidata":"https://www.wikidata.org/wiki/Q228502","display_name":"Access control","level":2,"score":0.5287948250770569},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5286983251571655},{"id":"https://openalex.org/C157607044","wikidata":"https://www.wikidata.org/wiki/Q5165851","display_name":"Control channel","level":3,"score":0.5041710138320923},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4771296977996826},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.39469778537750244},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.34691953659057617},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.2626262605190277},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.25606513023376465},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.23863717913627625},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.11388283967971802}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iswcs.2010.5624407","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iswcs.2010.5624407","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2010 7th International Symposium on Wireless Communication Systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320322065","display_name":"National IT Industry Promotion Agency","ror":"https://ror.org/026v53e29"},{"id":"https://openalex.org/F4320324891","display_name":"Iran Telecommunication Research Center","ror":"https://ror.org/01a3g2z22"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1596428806","https://openalex.org/W2010359062","https://openalex.org/W2096549152","https://openalex.org/W2099593760","https://openalex.org/W2121292618","https://openalex.org/W2142819538","https://openalex.org/W3145979071","https://openalex.org/W4296396157","https://openalex.org/W6635858980"],"related_works":["https://openalex.org/W2025189274","https://openalex.org/W2092365485","https://openalex.org/W1585503616","https://openalex.org/W2004574319","https://openalex.org/W1543564974","https://openalex.org/W2060870071","https://openalex.org/W2224554958","https://openalex.org/W1991933460","https://openalex.org/W1591771139","https://openalex.org/W2043538149"],"abstract_inverted_index":{"We":[0,43,99],"present":[1],"an":[2,22,54],"orthogonal":[3],"frequency":[4],"division":[5],"multiple":[6],"access":[7,12],"(OFDMA)":[8],"cognitive":[9],"radio":[10],"medium":[11],"control":[13],"using":[14],"multichannel":[15],"ALOHA":[16,95],"(OCR":[17],"MAC).":[18],"The":[19,76],"performance":[20],"of":[21,37,50,122],"infinite":[23],"population":[24],"based":[25,96],"OCR":[26,51,106],"system":[27,71],"is":[28,116],"numerically":[29],"as":[30,32,91,93],"well":[31,92],"theoretically":[33],"analyzed":[34],"in":[35],"terms":[36],"throughput,":[38],"delay,":[39],"and":[40,72],"data":[41,103],"capacity.":[42],"evaluate":[44],"the":[45,69,80,102],"throughput":[46],"versus":[47],"delay":[48],"tradeoff":[49,74],"MAC":[52,83,90],"with":[53,62,86,107,118],"agile":[55],"OFDM":[56],"channel":[57],"selection.":[58],"Especially,":[59],"via":[60],"simulation":[61],"a":[63,119],"linear":[64],"feedback":[65],"model,":[66],"we":[67],"verify":[68],"proposed":[70,81],"its":[73],"characteristics.":[75],"numerical":[77],"results":[78],"for":[79,105],"CR":[82,89,97],"are":[84],"compared":[85],"conventional":[87],"non-agile":[88],"pure":[94],"MAC.":[98],"also":[100],"investigate":[101],"capacity":[104,114],"perfect":[108],"or":[109],"imperfect":[110],"spectrum":[111],"sensing":[112],"whose":[113],"gap":[115],"reduced":[117],"large":[120],"number":[121],"channels.":[123]},"counts_by_year":[{"year":2015,"cited_by_count":3},{"year":2013,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}