{"id":"https://openalex.org/W2135789804","doi":"https://doi.org/10.1109/wcnc.2012.6213922","title":"Spectrum sensing of correlated subbands with colored noise in cognitive radios","display_name":"Spectrum sensing of correlated subbands with colored noise in cognitive radios","publication_year":2012,"publication_date":"2012-04-01","ids":{"openalex":"https://openalex.org/W2135789804","doi":"https://doi.org/10.1109/wcnc.2012.6213922","mag":"2135789804"},"language":"en","primary_location":{"id":"doi:10.1109/wcnc.2012.6213922","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc.2012.6213922","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE Wireless Communications and Networking Conference (WCNC)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5027560441","display_name":"Zahra Pourgharehkhan","orcid":null},"institutions":[{"id":"https://openalex.org/I69425150","display_name":"Imam Khomeini International University","ror":"https://ror.org/02jeykk09","country_code":"IR","type":"education","lineage":["https://openalex.org/I69425150"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Zahra Pourgharehkhan","raw_affiliation_strings":["Department of Electrical Engineering, Imam Khomeini International University, Qazvin, Iran","Department of Electrical Engineering Imam Khomeini International University  Qazvin Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Imam Khomeini International University, Qazvin, Iran","institution_ids":["https://openalex.org/I69425150"]},{"raw_affiliation_string":"Department of Electrical Engineering Imam Khomeini International University  Qazvin Iran","institution_ids":["https://openalex.org/I69425150"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057076172","display_name":"Saeid Sedighi","orcid":"https://orcid.org/0000-0002-4105-4166"},"institutions":[{"id":"https://openalex.org/I69425150","display_name":"Imam Khomeini International University","ror":"https://ror.org/02jeykk09","country_code":"IR","type":"education","lineage":["https://openalex.org/I69425150"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Saeid Sedighi","raw_affiliation_strings":["Department of Electrical Engineering, Imam Khomeini International University, Qazvin, Iran","Department of Electrical Engineering Imam Khomeini International University  Qazvin Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Imam Khomeini International University, Qazvin, Iran","institution_ids":["https://openalex.org/I69425150"]},{"raw_affiliation_string":"Department of Electrical Engineering Imam Khomeini International University  Qazvin Iran","institution_ids":["https://openalex.org/I69425150"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033628199","display_name":"Abbas Taherpour","orcid":"https://orcid.org/0000-0003-0706-5774"},"institutions":[{"id":"https://openalex.org/I69425150","display_name":"Imam Khomeini International University","ror":"https://ror.org/02jeykk09","country_code":"IR","type":"education","lineage":["https://openalex.org/I69425150"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Abbas Taherpour","raw_affiliation_strings":["Department of Electrical Engineering, Imam Khomeini International University, Qazvin, Iran","Department of Electrical Engineering Imam Khomeini International University  Qazvin Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Imam Khomeini International University, Qazvin, Iran","institution_ids":["https://openalex.org/I69425150"]},{"raw_affiliation_string":"Department of Electrical Engineering Imam Khomeini International University  Qazvin Iran","institution_ids":["https://openalex.org/I69425150"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5018973008","display_name":"Murat Uysal","orcid":"https://orcid.org/0000-0001-5945-0813"},"institutions":[{"id":"https://openalex.org/I44925452","display_name":"\u00d6zye\u011fin University","ror":"https://ror.org/01jjhfr75","country_code":"TR","type":"education","lineage":["https://openalex.org/I44925452"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"Murat Uysal","raw_affiliation_strings":["Faculty of Engineering, Ozyegin University, Istanbul, Turkey"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Engineering, Ozyegin University, Istanbul, Turkey","institution_ids":["https://openalex.org/I44925452"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1017","last_page":"1022"},"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":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/T10579","display_name":"Cognitive Radio Networks and Spectrum Sensing","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/T12879","display_name":"Distributed Sensor Networks and Detection Algorithms","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/T10891","display_name":"Radar Systems and Signal Processing","score":0.9948999881744385,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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":0.652286171913147},{"id":"https://openalex.org/keywords/detector","display_name":"Detector","score":0.6376649141311646},{"id":"https://openalex.org/keywords/covariance-matrix","display_name":"Covariance matrix","score":0.6188926696777344},{"id":"https://openalex.org/keywords/gaussian-noise","display_name":"Gaussian noise","score":0.6053026914596558},{"id":"https://openalex.org/keywords/false-alarm","display_name":"False alarm","score":0.5912478566169739},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.5708325505256653},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.512472927570343},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.505605936050415},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.5044814348220825},{"id":"https://openalex.org/keywords/gaussian","display_name":"Gaussian","score":0.5002543926239014},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.4999511241912842},{"id":"https://openalex.org/keywords/covariance","display_name":"Covariance","score":0.4887349605560303},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4813900291919708},{"id":"https://openalex.org/keywords/wideband","display_name":"Wideband","score":0.47037190198898315},{"id":"https://openalex.org/keywords/colors-of-noise","display_name":"Colors of noise","score":0.42643195390701294},{"id":"https://openalex.org/keywords/detection-theory","display_name":"Detection theory","score":0.4261886477470398},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.27654266357421875},{"id":"https://openalex.org/keywords/white-noise","display_name":"White noise","score":0.2750135362148285},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2608156204223633},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.17501956224441528},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.16365456581115723},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.08546650409698486},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.07512345910072327}],"concepts":[{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.652286171913147},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.6376649141311646},{"id":"https://openalex.org/C185142706","wikidata":"https://www.wikidata.org/wiki/Q1134404","display_name":"Covariance matrix","level":2,"score":0.6188926696777344},{"id":"https://openalex.org/C4199805","wikidata":"https://www.wikidata.org/wiki/Q2725903","display_name":"Gaussian noise","level":2,"score":0.6053026914596558},{"id":"https://openalex.org/C2776836416","wikidata":"https://www.wikidata.org/wiki/Q1364844","display_name":"False alarm","level":2,"score":0.5912478566169739},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.5708325505256653},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.512472927570343},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.505605936050415},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.5044814348220825},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.5002543926239014},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.4999511241912842},{"id":"https://openalex.org/C178650346","wikidata":"https://www.wikidata.org/wiki/Q201984","display_name":"Covariance","level":2,"score":0.4887349605560303},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4813900291919708},{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.47037190198898315},{"id":"https://openalex.org/C114996537","wikidata":"https://www.wikidata.org/wiki/Q4854529","display_name":"Colors of noise","level":3,"score":0.42643195390701294},{"id":"https://openalex.org/C137270730","wikidata":"https://www.wikidata.org/wiki/Q120811","display_name":"Detection theory","level":3,"score":0.4261886477470398},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.27654266357421875},{"id":"https://openalex.org/C112633086","wikidata":"https://www.wikidata.org/wiki/Q381287","display_name":"White noise","level":2,"score":0.2750135362148285},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2608156204223633},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.17501956224441528},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.16365456581115723},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.08546650409698486},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.07512345910072327},{"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/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/wcnc.2012.6213922","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc.2012.6213922","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE Wireless Communications and Networking Conference (WCNC)","raw_type":"proceedings-article"},{"id":"pmh:oai:eresearch.ozyegin.edu.tr:10679/2506","is_oa":false,"landing_page_url":"http://hdl.handle.net/10679/2506","pdf_url":null,"source":{"id":"https://openalex.org/S4306400232","display_name":"ECS Journal of Solid State Science and Technology (The Electrochemical Society)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I2802273670","host_organization_name":"Electrochemical Society","host_organization_lineage":["https://openalex.org/I2802273670"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/conferenceObject"},{"id":"pmh:oai:orbilu.uni.lu:10993/47616","is_oa":false,"landing_page_url":"https://orbilu.uni.lu/handle/10993/47616","pdf_url":null,"source":{"id":"https://openalex.org/S4306401815","display_name":"Open Repository and Bibliography (University of Luxembourg)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I186903577","host_organization_name":"University of Luxembourg","host_organization_lineage":["https://openalex.org/I186903577"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W250062009","https://openalex.org/W1485732691","https://openalex.org/W1969454187","https://openalex.org/W2025445694","https://openalex.org/W2097409659","https://openalex.org/W2101354295","https://openalex.org/W2110567841","https://openalex.org/W2124590431","https://openalex.org/W2127817398","https://openalex.org/W2136894269","https://openalex.org/W2155999145","https://openalex.org/W2159605657","https://openalex.org/W2168077425","https://openalex.org/W2172139273","https://openalex.org/W3100080841"],"related_works":["https://openalex.org/W3143465902","https://openalex.org/W2112901162","https://openalex.org/W1490191303","https://openalex.org/W2926619812","https://openalex.org/W1966900924","https://openalex.org/W1986743941","https://openalex.org/W2365036990","https://openalex.org/W2276601145","https://openalex.org/W2950226693","https://openalex.org/W2364775115"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3,78,114,146],"consider":[4],"the":[5,13,16,53,80,84,91,94,104,108,124,128,133,137,158,177,180],"problem":[6],"of":[7,52,69,74,97,127,157,179],"wideband":[8],"spectrum":[9],"sensing":[10],"by":[11],"using":[12],"correlation":[14],"among":[15],"observation":[17],"samples":[18,27,100,131],"in":[19,28,107,136,161],"different":[20,109,138],"subbands.":[21],"The":[22,169],"Primary":[23],"User":[24],"(PU)":[25],"signal":[26,99,130],"occupied":[29],"subbands":[30,70,110],"are":[31,72,140,172],"assumed":[32,59],"to":[33,164,175],"be":[34],"zero-mean":[35,47],"correlated":[36],"Gaussian":[37,48],"random":[38,49],"variables":[39,50],"and":[40,83,103,132,153],"additive":[41],"noise":[42,105,134],"is":[43,57,62,101,111],"modeled":[44],"as":[45],"colored":[46],"independent":[51],"PU":[54,75],"signal.":[55],"It":[56],"also":[58],"that":[60,71,93],"there":[61],"at":[63],"least":[64],"a":[65],"minimum":[66],"given":[67],"number":[68],"vacant":[73],"signals.":[76],"First":[77],"derive":[79,147],"optimal":[81],"detector":[82,89],"Generalized":[85],"Likelihood":[86],"Ratio":[87,166],"(GLR)":[88],"for":[90,119,151],"case":[92],"covariance":[95,125],"matrix":[96,126],"PUs":[98,129],"unknown":[102],"variance":[106],"known.":[112],"Then,":[113],"propose":[115],"an":[116],"iterative":[117],"algorithm":[118],"GLR":[120],"test":[121],"when":[122],"both":[123],"variances":[135],"subbands,":[139],"unknown.":[141],"For":[142],"analytical":[143],"performance":[144,178],"evaluation,":[145],"some":[148],"closed-form":[149],"expressions":[150],"detection":[152],"false":[154],"alarm":[155],"probabilities":[156],"proposed":[159,181],"detectors":[160],"low":[162],"Signal":[163],"Noise":[165],"(SNR)":[167],"regime.":[168],"simulation":[170],"results":[171],"further":[173],"presented":[174],"compare":[176],"detectors.":[182]},"counts_by_year":[{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}