{"id":"https://openalex.org/W2039408583","doi":"https://doi.org/10.1109/crowncom.2008.4562491","title":"Downlink Performance Analysis of Cognitive Radio based Cellular Relay Networks","display_name":"Downlink Performance Analysis of Cognitive Radio based Cellular Relay Networks","publication_year":2008,"publication_date":"2008-05-01","ids":{"openalex":"https://openalex.org/W2039408583","doi":"https://doi.org/10.1109/crowncom.2008.4562491","mag":"2039408583"},"language":"en","primary_location":{"id":"doi:10.1109/crowncom.2008.4562491","is_oa":false,"landing_page_url":"https://doi.org/10.1109/crowncom.2008.4562491","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2008 3rd International Conference on Cognitive Radio Oriented Wireless Networks and Communications (CrownCom 2008)","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/A5078028035","display_name":"Seungmo Kim","orcid":"https://orcid.org/0000-0002-2373-909X"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Seungmo Kim","raw_affiliation_strings":["School of Engineering, Information and Communications University, Daejeon, South Korea","Sch. of Eng, Inf. & Commun. Univ., Daejeon"],"affiliations":[{"raw_affiliation_string":"School of Engineering, Information and Communications University, Daejeon, South Korea","institution_ids":[]},{"raw_affiliation_string":"Sch. of Eng, Inf. & Commun. Univ., Daejeon","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035102148","display_name":"Wan Choi","orcid":"https://orcid.org/0000-0003-3930-7088"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wan Choi","raw_affiliation_strings":["School of Engineering, Information and Communications University, Daejeon, South Korea","Sch. of Eng, Inf. & Commun. Univ., Daejeon"],"affiliations":[{"raw_affiliation_string":"School of Engineering, Information and Communications University, Daejeon, South Korea","institution_ids":[]},{"raw_affiliation_string":"Sch. of Eng, Inf. & Commun. Univ., Daejeon","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101817296","display_name":"Yonghoon Choi","orcid":"https://orcid.org/0000-0002-5218-4513"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yonghoon Choi","raw_affiliation_strings":["School of Engineering, Information and Communications University, Daejeon, South Korea","Sch. of Eng, Inf. & Commun. Univ., Daejeon"],"affiliations":[{"raw_affiliation_string":"School of Engineering, Information and Communications University, Daejeon, South Korea","institution_ids":[]},{"raw_affiliation_string":"Sch. of Eng, Inf. & Commun. Univ., Daejeon","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100341491","display_name":"Jongmin Lee","orcid":"https://orcid.org/0000-0002-6167-7926"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jongmin Lee","raw_affiliation_strings":["School of Engineering, Information and Communications University, Daejeon, South Korea","Sch. of Eng, Inf. & Commun. Univ., Daejeon"],"affiliations":[{"raw_affiliation_string":"School of Engineering, Information and Communications University, Daejeon, South Korea","institution_ids":[]},{"raw_affiliation_string":"Sch. of Eng, Inf. & Commun. Univ., Daejeon","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083283486","display_name":"Youngnam Han","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Youngnam Han","raw_affiliation_strings":["School of Engineering, Information and Communications University, Daejeon, South Korea","Sch. of Eng, Inf. & Commun. Univ., Daejeon"],"affiliations":[{"raw_affiliation_string":"School of Engineering, Information and Communications University, Daejeon, South Korea","institution_ids":[]},{"raw_affiliation_string":"Sch. of Eng, Inf. & Commun. Univ., Daejeon","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110206377","display_name":"Insun Lee","orcid":null},"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":"Insun Lee","raw_affiliation_strings":["School of Engineering, Information and Communications University, Daejeon, South Korea","Communication & Networking Lab, Samsung Advanced Institute of Technology, San14, Nongseo-dong, Giheung-gu, Yongin-si, Gyeonggi-do, 449-712, Korea"],"affiliations":[{"raw_affiliation_string":"School of Engineering, Information and Communications University, Daejeon, South Korea","institution_ids":[]},{"raw_affiliation_string":"Communication & Networking Lab, Samsung Advanced Institute of Technology, San14, Nongseo-dong, Giheung-gu, Yongin-si, Gyeonggi-do, 449-712, Korea","institution_ids":["https://openalex.org/I2250650973"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5078028035"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.8331,"has_fulltext":false,"cited_by_count":24,"citation_normalized_percentile":{"value":0.86529557,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9998999834060669,"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9998999834060669,"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/T10579","display_name":"Cognitive Radio Networks and Spectrum Sensing","score":0.9998000264167786,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9994000196456909,"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/telecommunications-link","display_name":"Telecommunications link","score":0.859523594379425},{"id":"https://openalex.org/keywords/relay","display_name":"Relay","score":0.8236404061317444},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6961396932601929},{"id":"https://openalex.org/keywords/cognitive-radio","display_name":"Cognitive radio","score":0.6842901706695557},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.6209089756011963},{"id":"https://openalex.org/keywords/channel-capacity","display_name":"Channel capacity","score":0.5186833143234253},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.5017476081848145},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4952374994754791},{"id":"https://openalex.org/keywords/relay-channel","display_name":"Relay channel","score":0.48022276163101196},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.33546480536460876},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2811875641345978},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.17599287629127502},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.14906102418899536},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.06357771158218384}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.859523594379425},{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.8236404061317444},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6961396932601929},{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.6842901706695557},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.6209089756011963},{"id":"https://openalex.org/C97744766","wikidata":"https://www.wikidata.org/wiki/Q870845","display_name":"Channel capacity","level":3,"score":0.5186833143234253},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5017476081848145},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4952374994754791},{"id":"https://openalex.org/C46257984","wikidata":"https://www.wikidata.org/wiki/Q7310895","display_name":"Relay channel","level":4,"score":0.48022276163101196},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.33546480536460876},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2811875641345978},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.17599287629127502},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.14906102418899536},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.06357771158218384},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/crowncom.2008.4562491","is_oa":false,"landing_page_url":"https://doi.org/10.1109/crowncom.2008.4562491","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2008 3rd International Conference on Cognitive Radio Oriented Wireless Networks and Communications (CrownCom 2008)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320315121","display_name":"Samsung Advanced Institute of Technology","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1525552993","https://openalex.org/W1977908208","https://openalex.org/W2002937495","https://openalex.org/W2028982652","https://openalex.org/W2071707134","https://openalex.org/W2101640072","https://openalex.org/W2102617152","https://openalex.org/W2126824022","https://openalex.org/W2126948105","https://openalex.org/W2135019169","https://openalex.org/W2136337471","https://openalex.org/W2144996539","https://openalex.org/W2159637866","https://openalex.org/W2161209335","https://openalex.org/W2163287552","https://openalex.org/W2164931063"],"related_works":["https://openalex.org/W2608897767","https://openalex.org/W2153829573","https://openalex.org/W2099376255","https://openalex.org/W2963768675","https://openalex.org/W2004047158","https://openalex.org/W2119153672","https://openalex.org/W2993015344","https://openalex.org/W1559320887","https://openalex.org/W2374704553","https://openalex.org/W2082611414"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3,84],"propose":[4],"two":[5],"operating":[6],"scenarios":[7,114],"of":[8,14,29,45,79,92,99,129],"employing":[9],"cognitive":[10,140],"radio":[11,141],"to":[12,72,117,149],"downlink":[13,152],"relay":[15,40,125,137],"networks.":[16],"The":[17,35],"first":[18,51],"scenario":[19,26],"uses":[20],"ISM":[21],"band":[22],"while":[23],"the":[24,46,54,63,77,90,112,130],"second":[25],"exploits":[27],"opportunity":[28],"channel":[30],"use":[31],"at":[32],"UHF":[33],"spectrum.":[34],"capacity":[36,87],"gain":[37,75],"over":[38,121],"conventional":[39,123],"is":[41,101,109],"investigated":[42],"in":[43,58,70,76,127],"terms":[44,128],"normalized":[47,131],"system":[48,81,86,126,132],"capacity.":[49,133,153],"We":[50],"statistically":[52],"model":[53],"spectrum":[55],"usage":[56],"pattern":[57],"those":[59],"bands":[60],"and":[61,67,106],"derive":[62],"achievable":[64],"data":[65],"rate":[66],"outage":[68],"probability":[69],"order":[71],"analyze":[73],"performance":[74,100],"view":[78],"practical":[80],"establishment.":[82],"Then,":[83],"define":[85],"by":[88],"normalizing":[89],"effect":[91],"bandwidth":[93],"so":[94],"that":[95,111],"a":[96,122,135,146],"fair":[97],"comparison":[98],"accomplished.":[102],"Through":[103],"our":[104],"analysis":[105],"simulations,":[107],"it":[108],"shown":[110],"proposed":[113],"are":[115],"able":[116],"achieve":[118],"significant":[119],"gains":[120],"cellular":[124],"As":[134],"result,":[136],"combined":[138],"with":[139],"can":[142],"be":[143],"considered":[144],"as":[145],"viable":[147],"solution":[148],"get":[150],"higher":[151]},"counts_by_year":[{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":3},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":4},{"year":2012,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}