{"id":"https://openalex.org/W2159038621","doi":"https://doi.org/10.1109/icc.2011.5962450","title":"Opportunistic Spectrum Access Protocol for Cognitive Radio Networks","display_name":"Opportunistic Spectrum Access Protocol for Cognitive Radio Networks","publication_year":2011,"publication_date":"2011-06-01","ids":{"openalex":"https://openalex.org/W2159038621","doi":"https://doi.org/10.1109/icc.2011.5962450","mag":"2159038621"},"language":"en","primary_location":{"id":"doi:10.1109/icc.2011.5962450","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc.2011.5962450","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE International Conference on Communications (ICC)","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/A5100737734","display_name":"Chen Qian","orcid":"https://orcid.org/0000-0002-6882-9590"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Qian Chen","raw_affiliation_strings":["National University of Singapore, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National University of Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069355437","display_name":"Mehul Motani","orcid":"https://orcid.org/0000-0003-3262-0207"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Mehul Motani","raw_affiliation_strings":["National University of Singapore, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National University of Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089043394","display_name":"Wai\u2010Choong Wong","orcid":"https://orcid.org/0000-0001-6581-234X"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Wai-Choong Wong","raw_affiliation_strings":["National University of Singapore, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National University of Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5007832415","display_name":"Ying\u2010Chang Liang","orcid":"https://orcid.org/0000-0003-2671-5090"},"institutions":[{"id":"https://openalex.org/I3005327000","display_name":"Institute for Infocomm Research","ror":"https://ror.org/053rfa017","country_code":"SG","type":"facility","lineage":["https://openalex.org/I115228651","https://openalex.org/I3005327000","https://openalex.org/I91275662"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Ying-Chang Liang","raw_affiliation_strings":["Institute for Infocomm Research, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Infocomm Research, Singapore","institution_ids":["https://openalex.org/I3005327000"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.1942,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.88892119,"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/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/T10575","display_name":"Wireless Communication Networks Research","score":0.9965000152587891,"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":0.9939000010490417,"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":0.8869879245758057},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.8282313346862793},{"id":"https://openalex.org/keywords/aloha","display_name":"Aloha","score":0.8139177560806274},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7924822568893433},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.6511096358299255},{"id":"https://openalex.org/keywords/frame","display_name":"Frame (networking)","score":0.6498533487319946},{"id":"https://openalex.org/keywords/network-packet","display_name":"Network packet","score":0.6136786341667175},{"id":"https://openalex.org/keywords/protocol","display_name":"Protocol (science)","score":0.5929906964302063},{"id":"https://openalex.org/keywords/access-control","display_name":"Access control","score":0.5846644639968872},{"id":"https://openalex.org/keywords/channel-access-method","display_name":"Channel access method","score":0.458976686000824},{"id":"https://openalex.org/keywords/media-access-control","display_name":"Media access control","score":0.42727816104888916},{"id":"https://openalex.org/keywords/random-access","display_name":"Random access","score":0.41889214515686035},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.23491239547729492},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.14627030491828918}],"concepts":[{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.8869879245758057},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.8282313346862793},{"id":"https://openalex.org/C2776398200","wikidata":"https://www.wikidata.org/wiki/Q508880","display_name":"Aloha","level":4,"score":0.8139177560806274},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7924822568893433},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.6511096358299255},{"id":"https://openalex.org/C126042441","wikidata":"https://www.wikidata.org/wiki/Q1324888","display_name":"Frame (networking)","level":2,"score":0.6498533487319946},{"id":"https://openalex.org/C158379750","wikidata":"https://www.wikidata.org/wiki/Q214111","display_name":"Network packet","level":2,"score":0.6136786341667175},{"id":"https://openalex.org/C2780385302","wikidata":"https://www.wikidata.org/wiki/Q367158","display_name":"Protocol (science)","level":3,"score":0.5929906964302063},{"id":"https://openalex.org/C527821871","wikidata":"https://www.wikidata.org/wiki/Q228502","display_name":"Access control","level":2,"score":0.5846644639968872},{"id":"https://openalex.org/C193430537","wikidata":"https://www.wikidata.org/wiki/Q1665191","display_name":"Channel access method","level":3,"score":0.458976686000824},{"id":"https://openalex.org/C513196756","wikidata":"https://www.wikidata.org/wiki/Q3295108","display_name":"Media access control","level":3,"score":0.42727816104888916},{"id":"https://openalex.org/C101722063","wikidata":"https://www.wikidata.org/wiki/Q218825","display_name":"Random access","level":2,"score":0.41889214515686035},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.23491239547729492},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.14627030491828918},{"id":"https://openalex.org/C204787440","wikidata":"https://www.wikidata.org/wiki/Q188504","display_name":"Alternative medicine","level":2,"score":0.0},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icc.2011.5962450","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc.2011.5962450","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE International Conference on Communications (ICC)","raw_type":"proceedings-article"},{"id":"pmh:oai:scholarbank.nus.edu.sg:10635/71267","is_oa":false,"landing_page_url":"http://scholarbank.nus.edu.sg/handle/10635/71267","pdf_url":null,"source":{"id":"https://openalex.org/S7407052290","display_name":"National University of Singapore","issn_l":null,"issn":[],"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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Scopus","raw_type":"Conference Paper"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W2079536273","https://openalex.org/W2084436032","https://openalex.org/W2084709001","https://openalex.org/W2102350452","https://openalex.org/W2121528570","https://openalex.org/W2124683077","https://openalex.org/W2132488848","https://openalex.org/W2142764821","https://openalex.org/W2160853270","https://openalex.org/W2168078104","https://openalex.org/W2170524206","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W2740103453","https://openalex.org/W2767687907","https://openalex.org/W4302323979","https://openalex.org/W4234150174","https://openalex.org/W2543616084","https://openalex.org/W2952266750","https://openalex.org/W2170761278","https://openalex.org/W4206155839","https://openalex.org/W2151959184","https://openalex.org/W3024545738"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3],"consider":[4],"the":[5,52,71,78],"medium":[6],"access":[7,19],"control":[8],"(MAC)":[9],"protocol":[10,20],"design":[11],"for":[12,44],"cognitive":[13],"radio":[14],"networks.":[15],"An":[16],"opportunistic":[17],"spectrum":[18,61],"named":[21],"Slotted":[22],"CR-ALOHA":[23],"is":[24],"proposed,":[25],"and":[26,34,48,64,77],"its":[27],"performances":[28],"in":[29],"terms":[30],"of":[31,50,74],"normalized":[32],"throughput":[33],"average":[35],"packet":[36],"delay":[37],"are":[38],"evaluated.":[39],"Simulation":[40],"results":[41],"show":[42],"that":[43],"various":[45],"frame":[46],"lengths":[47],"number":[49],"SUs,":[51],"optimal":[53],"performance":[54,73],"can":[55],"be":[56],"achieved":[57],"at":[58],"an":[59],"appropriate":[60],"sensing":[62],"time,":[63],"there":[65],"also":[66],"exists":[67],"a":[68],"tradeoff":[69],"between":[70],"achievable":[72],"secondary":[75],"network":[76],"protection":[79],"effect":[80],"on":[81],"primary":[82],"network.":[83]},"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":4},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}