{"id":"https://openalex.org/W2163435168","doi":"https://doi.org/10.1109/crowncom.2008.4562459","title":"Making the Best out of Spectral Efficiency; Studies on The Introduction of Open-Spectrum Policy","display_name":"Making the Best out of Spectral Efficiency; Studies on The Introduction of Open-Spectrum Policy","publication_year":2008,"publication_date":"2008-05-01","ids":{"openalex":"https://openalex.org/W2163435168","doi":"https://doi.org/10.1109/crowncom.2008.4562459","mag":"2163435168"},"language":"en","primary_location":{"id":"doi:10.1109/crowncom.2008.4562459","is_oa":false,"landing_page_url":"https://doi.org/10.1109/crowncom.2008.4562459","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/A5080415310","display_name":"Cha-sik Leem","orcid":null},"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":"Cha-sik Leem","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, Yonsei University, Seoul, South Korea","Software industry Bureau, Ministry of information and communication, Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, Yonsei University, Seoul, South Korea","institution_ids":["https://openalex.org/I193775966"]},{"raw_affiliation_string":"Software industry Bureau, Ministry of information and communication, Seoul, South Korea","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066017067","display_name":"Jaiyong Lee","orcid":"https://orcid.org/0000-0001-6359-6903"},"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":"Jaiyong Lee","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, Yonsei University, Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, Yonsei University, Seoul, South Korea","institution_ids":["https://openalex.org/I193775966"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101059637","display_name":"Hyunduk Kang","orcid":null},"institutions":[{"id":"https://openalex.org/I142401562","display_name":"Electronics and Telecommunications Research Institute","ror":"https://ror.org/03ysstz10","country_code":"KR","type":"facility","lineage":["https://openalex.org/I142401562","https://openalex.org/I2801339556","https://openalex.org/I4210144908","https://openalex.org/I4387152098"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Hyunduk Kang","raw_affiliation_strings":["Radio Technology Group, Electronics and Telecommnications Research Institute, South Korea"],"affiliations":[{"raw_affiliation_string":"Radio Technology Group, Electronics and Telecommnications Research Institute, South Korea","institution_ids":["https://openalex.org/I142401562"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102781318","display_name":"Chang\u2010Joo Kim","orcid":"https://orcid.org/0000-0002-3689-8137"},"institutions":[{"id":"https://openalex.org/I142401562","display_name":"Electronics and Telecommunications Research Institute","ror":"https://ror.org/03ysstz10","country_code":"KR","type":"facility","lineage":["https://openalex.org/I142401562","https://openalex.org/I2801339556","https://openalex.org/I4210144908","https://openalex.org/I4387152098"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Chang-joo Kim","raw_affiliation_strings":["Radio Technology Group, Electronics and Telecommnications Research Institute, South Korea"],"affiliations":[{"raw_affiliation_string":"Radio Technology Group, Electronics and Telecommnications Research Institute, South Korea","institution_ids":["https://openalex.org/I142401562"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044210921","display_name":"Moonwon Lee","orcid":null},"institutions":[{"id":"https://openalex.org/I142401562","display_name":"Electronics and Telecommunications Research Institute","ror":"https://ror.org/03ysstz10","country_code":"KR","type":"facility","lineage":["https://openalex.org/I142401562","https://openalex.org/I2801339556","https://openalex.org/I4210144908","https://openalex.org/I4387152098"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Moonwon Lee","raw_affiliation_strings":["Radio Technology Group, Electronics and Telecommnications Research Institute, South Korea"],"affiliations":[{"raw_affiliation_string":"Radio Technology Group, Electronics and Telecommnications Research Institute, South Korea","institution_ids":["https://openalex.org/I142401562"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5090053037","display_name":"Sungchul Kang","orcid":"https://orcid.org/0000-0001-5645-2020"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Sung-chul Kang","raw_affiliation_strings":["Radio Research Laboratory, Ministry of information and communication, Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"Radio Research Laboratory, Ministry of information and communication, Seoul, South Korea","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5080415310"],"corresponding_institution_ids":["https://openalex.org/I193775966"],"apc_list":null,"apc_paid":null,"fwci":0.5987,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.74696948,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":96},"biblio":{"volume":"23","issue":null,"first_page":"1","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11499","display_name":"ICT Impact and Policies","score":0.9656999707221985,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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/T11499","display_name":"ICT Impact and Policies","score":0.9656999707221985,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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":0.9526000022888184,"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":0.9050999879837036,"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/cognitive-radio","display_name":"Cognitive radio","score":0.767169177532196},{"id":"https://openalex.org/keywords/reuse","display_name":"Reuse","score":0.6988527178764343},{"id":"https://openalex.org/keywords/spectrum","display_name":"Spectrum (functional analysis)","score":0.652990996837616},{"id":"https://openalex.org/keywords/orthogonality","display_name":"Orthogonality","score":0.6378969550132751},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6344994902610779},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.5611708760261536},{"id":"https://openalex.org/keywords/radio-spectrum","display_name":"Radio spectrum","score":0.5314024686813354},{"id":"https://openalex.org/keywords/spectrum-management","display_name":"Spectrum management","score":0.48992103338241577},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.4712577164173126},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.39069265127182007},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.18727576732635498},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.1745930314064026},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.15648341178894043},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.13195952773094177},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.09542873501777649}],"concepts":[{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.767169177532196},{"id":"https://openalex.org/C206588197","wikidata":"https://www.wikidata.org/wiki/Q846574","display_name":"Reuse","level":2,"score":0.6988527178764343},{"id":"https://openalex.org/C156778621","wikidata":"https://www.wikidata.org/wiki/Q1365748","display_name":"Spectrum (functional analysis)","level":2,"score":0.652990996837616},{"id":"https://openalex.org/C17137986","wikidata":"https://www.wikidata.org/wiki/Q215067","display_name":"Orthogonality","level":2,"score":0.6378969550132751},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6344994902610779},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.5611708760261536},{"id":"https://openalex.org/C92545706","wikidata":"https://www.wikidata.org/wiki/Q902174","display_name":"Radio spectrum","level":2,"score":0.5314024686813354},{"id":"https://openalex.org/C63029442","wikidata":"https://www.wikidata.org/wiki/Q6504978","display_name":"Spectrum management","level":4,"score":0.48992103338241577},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.4712577164173126},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.39069265127182007},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.18727576732635498},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.1745930314064026},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.15648341178894043},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.13195952773094177},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.09542873501777649},{"id":"https://openalex.org/C548081761","wikidata":"https://www.wikidata.org/wiki/Q180388","display_name":"Waste management","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/crowncom.2008.4562459","is_oa":false,"landing_page_url":"https://doi.org/10.1109/crowncom.2008.4562459","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":[{"display_name":"Partnerships for the goals","score":0.4399999976158142,"id":"https://metadata.un.org/sdg/17"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":1,"referenced_works":["https://openalex.org/W2061992737"],"related_works":["https://openalex.org/W2236567279","https://openalex.org/W4225341666","https://openalex.org/W2545213287","https://openalex.org/W2392764151","https://openalex.org/W2336181987","https://openalex.org/W2598828511","https://openalex.org/W1988869880","https://openalex.org/W2381640075","https://openalex.org/W1995578397","https://openalex.org/W2904332285"],"abstract_inverted_index":{"Open":[0],"spectrum":[1,9,48,75,91,101],"policy":[2],"mostly":[3],"deals":[4],"with":[5,79],"the":[6,14,32,47,50,53,58,61,74,85,94,98],"shared-use":[7],"of":[8,31,52,63,73,100],"resources":[10],"which":[11],"again":[12],"utilizes":[13],"orthogonality":[15],"in":[16,66,71,88],"different":[17],"spectral":[18],"domains":[19],"-":[20],"geography,":[21],"space,":[22],"power,":[23],"frequency":[24],"and":[25],"time.":[26],"Among":[27],"these,":[28],"temporal":[29],"share":[30],"spectrum,":[33],"known":[34],"as":[35],"CR":[36,64],"or":[37],"cognitive":[38],"radio":[39],"technology,":[40],"allows":[41],"secondary":[42],"licensees":[43],"to":[44],"opportunistically":[45],"access":[46],"during":[49],"absence":[51],"first.":[54],"This":[55],"paper":[56],"provides":[57],"analysis":[59],"on":[60,97],"performance":[62],"implementations":[65],"IEEE":[67],"802.22":[68],"WRAN":[69],"system,":[70],"terms":[72],"utilization":[76],"rate,":[77],"along":[78],"simulation":[80],"results.":[81],"Also":[82],"discussed":[83],"are":[84],"regulatory":[86],"issues":[87],"introducing":[89],"open":[90],"policies":[92],"into":[93],"market,":[95],"centered":[96],"reuse":[99],"resources.":[102]},"counts_by_year":[{"year":2015,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}