{"id":"https://openalex.org/W2123026656","doi":"https://doi.org/10.1109/pimrc.2009.5450103","title":"On synchronized channel sensing and accessing for cognitive radio users in IEEE 802.11 wireless networks","display_name":"On synchronized channel sensing and accessing for cognitive radio users in IEEE 802.11 wireless networks","publication_year":2009,"publication_date":"2009-09-01","ids":{"openalex":"https://openalex.org/W2123026656","doi":"https://doi.org/10.1109/pimrc.2009.5450103","mag":"2123026656"},"language":"en","primary_location":{"id":"doi:10.1109/pimrc.2009.5450103","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2009.5450103","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE 20th International Symposium on Personal, Indoor and Mobile Radio Communications","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/A5070969460","display_name":"TakChon Lou","orcid":null},"institutions":[{"id":"https://openalex.org/I148366613","display_name":"National Yang Ming Chiao Tung University","ror":"https://ror.org/00se2k293","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613"]}],"countries":["TW"],"is_corresponding":true,"raw_author_name":"TakChon Lou","raw_affiliation_strings":["Department of Computer Science, National Chiao Tung University, Hsinchu, Taiwan","Department of Computer Science; National Chiao Tung University; Hsinchu; Taiwan"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, National Chiao Tung University, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I148366613"]},{"raw_affiliation_string":"Department of Computer Science; National Chiao Tung University; Hsinchu; Taiwan","institution_ids":["https://openalex.org/I148366613"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109940113","display_name":"Hsi-Lu Chao","orcid":null},"institutions":[{"id":"https://openalex.org/I148366613","display_name":"National Yang Ming Chiao Tung University","ror":"https://ror.org/00se2k293","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Hsi-Lu Chao","raw_affiliation_strings":["Department of Computer Science, National Chiao Tung University, Hsinchu, Taiwan","Department of Computer Science; National Chiao Tung University; Hsinchu; Taiwan"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, National Chiao Tung University, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I148366613"]},{"raw_affiliation_string":"Department of Computer Science; National Chiao Tung University; Hsinchu; Taiwan","institution_ids":["https://openalex.org/I148366613"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5019502149","display_name":"Tzu-Jane Tsai","orcid":null},"institutions":[{"id":"https://openalex.org/I142066694","display_name":"ITRI International","ror":"https://ror.org/04wwsbd59","country_code":"US","type":"facility","lineage":["https://openalex.org/I142066694"]},{"id":"https://openalex.org/I4210148468","display_name":"Industrial Technology Research Institute","ror":"https://ror.org/05szzwt63","country_code":"TW","type":"nonprofit","lineage":["https://openalex.org/I4210148468"]}],"countries":["TW","US"],"is_corresponding":false,"raw_author_name":"Tzu-Jane Tsai","raw_affiliation_strings":["Information & Communications Research Laboratories, Industrial Technology and Research Institute, Hsinchu, Taiwan","Information and Communications Research Lab, Industrial Technology Research Institute, Hsinchu, Taiwan#TAB#"],"affiliations":[{"raw_affiliation_string":"Information & Communications Research Laboratories, Industrial Technology and Research Institute, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I4210148468"]},{"raw_affiliation_string":"Information and Communications Research Lab, Industrial Technology Research Institute, Hsinchu, Taiwan#TAB#","institution_ids":["https://openalex.org/I142066694"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5070969460"],"corresponding_institution_ids":["https://openalex.org/I148366613"],"apc_list":null,"apc_paid":null,"fwci":2.1729,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.88654861,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"757","last_page":"761"},"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":0.998199999332428,"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":0.996999979019165,"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":0.9392868876457214},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7747102975845337},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.763637900352478},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.734148383140564},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.6826772689819336},{"id":"https://openalex.org/keywords/control-channel","display_name":"Control channel","score":0.6266506314277649},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.5248556137084961},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.45384520292282104},{"id":"https://openalex.org/keywords/cognitive-network","display_name":"Cognitive network","score":0.43261200189590454},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.28685587644577026},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.07051524519920349}],"concepts":[{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.9392868876457214},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7747102975845337},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.763637900352478},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.734148383140564},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.6826772689819336},{"id":"https://openalex.org/C157607044","wikidata":"https://www.wikidata.org/wiki/Q5165851","display_name":"Control channel","level":3,"score":0.6266506314277649},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.5248556137084961},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.45384520292282104},{"id":"https://openalex.org/C32542511","wikidata":"https://www.wikidata.org/wiki/Q5141225","display_name":"Cognitive network","level":4,"score":0.43261200189590454},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.28685587644577026},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.07051524519920349}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/pimrc.2009.5450103","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2009.5450103","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE 20th International Symposium on Personal, Indoor and Mobile Radio Communications","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1982575274","https://openalex.org/W2071707134","https://openalex.org/W2079536273","https://openalex.org/W2097872599","https://openalex.org/W2101840010","https://openalex.org/W2102090735","https://openalex.org/W2126867611","https://openalex.org/W2159843245","https://openalex.org/W6683747242"],"related_works":["https://openalex.org/W2018726158","https://openalex.org/W2387652801","https://openalex.org/W2540573036","https://openalex.org/W1990934859","https://openalex.org/W2053336077","https://openalex.org/W2059212413","https://openalex.org/W2335557509","https://openalex.org/W2261472171","https://openalex.org/W2158337294","https://openalex.org/W2151209590"],"abstract_inverted_index":{"One":[0],"of":[1,38,55,72,79,82,98,108,155,163],"the":[2,70,80,87,96,103,114,129,134,141,150],"most":[3],"challenging":[4],"issues":[5],"in":[6,28],"cognitive":[7,25,56,73,109,118,157],"radio":[8,26,57,74,110,119,158],"systems":[9],"is":[10,33,51,68],"channel":[11,14,42,46,49,63,66,89,99,105],"sensing":[12,43,50,106],"and":[13,22,44,85,131,160],"accessing.":[15],"In":[16],"this":[17],"paper,":[18],"a":[19,53,156],"synchronized":[20],"channel-sensing":[21],"accessing":[23],"for":[24,52,69,124],"users":[27,58,75,84,120,126,165],"IEEE":[29],"802.11":[30],"wireless":[31],"networks":[32],"proposed.":[34],"The":[35],"mechanism":[36],"consists":[37],"two":[39],"phases:":[40],"fast":[41],"proactive":[45,65],"vacating.":[47],"Fast":[48],"pair":[54,71],"to":[59,76,101,127,137,166],"search":[60],"an":[61],"available":[62],"time-efficiently;":[64],"vacating":[67],"be":[77],"aware":[78],"presence":[81],"primary":[83,125,138,164],"vacate":[86],"occupied":[88],"as":[90,92],"quick":[91],"possible.":[93],"We":[94],"utilize":[95],"concept":[97],"hopping":[100],"reduce":[102],"average":[104],"time":[107,162],"users.":[111,139],"Besides,":[112],"through":[113],"designed":[115],"interruption":[116],"mechanism,":[117],"can":[121,147],"create":[122],"opportunities":[123],"claim":[128,167],"spectrum":[130],"thus":[132],"minimize":[133],"caused":[135],"interference":[136],"From":[140],"simulation":[142],"results,":[143],"our":[144],"proposed":[145],"protocol":[146],"efficiently":[148],"balance":[149],"tradeoff":[151],"between":[152],"throughput":[153],"performance":[154],"network":[159],"waiting":[161],"channels.":[168]},"counts_by_year":[{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":2}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}