{"id":"https://openalex.org/W2888635871","doi":"https://doi.org/10.1142/s0218126619501366","title":"Improved MB Cognitive Radio Spectrum Sensing Using Wavelet Spectrum Filtering","display_name":"Improved MB Cognitive Radio Spectrum Sensing Using Wavelet Spectrum Filtering","publication_year":2018,"publication_date":"2018-08-24","ids":{"openalex":"https://openalex.org/W2888635871","doi":"https://doi.org/10.1142/s0218126619501366","mag":"2888635871"},"language":"en","primary_location":{"id":"doi:10.1142/s0218126619501366","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0218126619501366","pdf_url":null,"source":{"id":"https://openalex.org/S167602672","display_name":"Journal of Circuits Systems and Computers","issn_l":"0218-1266","issn":["0218-1266","1793-6454"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Circuits, Systems and Computers","raw_type":"journal-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/A5008793373","display_name":"Ricardo Tadashi Kobayashi","orcid":"https://orcid.org/0000-0001-5143-0631"},"institutions":[{"id":"https://openalex.org/I127110123","display_name":"Universidade Estadual de Londrina","ror":"https://ror.org/01585b035","country_code":"BR","type":"education","lineage":["https://openalex.org/I127110123"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Ricardo Tadashi Kobayashi","raw_affiliation_strings":["Telecommunications Group, Department of Electrical Engineering and Computer Science Department, Londrina State University, Parana, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Telecommunications Group, Department of Electrical Engineering and Computer Science Department, Londrina State University, Parana, Brazil","institution_ids":["https://openalex.org/I127110123"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016033346","display_name":"Aislan Gabriel Hernandes","orcid":null},"institutions":[{"id":"https://openalex.org/I127110123","display_name":"Universidade Estadual de Londrina","ror":"https://ror.org/01585b035","country_code":"BR","type":"education","lineage":["https://openalex.org/I127110123"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Aislan Gabriel Hernandes","raw_affiliation_strings":["Telecommunications Group, Department of Electrical Engineering and Computer Science Department, Londrina State University, Parana, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Telecommunications Group, Department of Electrical Engineering and Computer Science Department, Londrina State University, Parana, Brazil","institution_ids":["https://openalex.org/I127110123"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046936081","display_name":"M\u00e1rio Lemes Proen\u00e7a","orcid":"https://orcid.org/0000-0002-0492-322X"},"institutions":[{"id":"https://openalex.org/I127110123","display_name":"Universidade Estadual de Londrina","ror":"https://ror.org/01585b035","country_code":"BR","type":"education","lineage":["https://openalex.org/I127110123"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Mario Lemes Proen\u00e7a","raw_affiliation_strings":["Telecommunications Group, Department of Electrical Engineering and Computer Science Department, Londrina State University, Parana, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Telecommunications Group, Department of Electrical Engineering and Computer Science Department, Londrina State University, Parana, Brazil","institution_ids":["https://openalex.org/I127110123"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5026516878","display_name":"Taufik Abr\u00e3o","orcid":"https://orcid.org/0000-0001-8678-2805"},"institutions":[{"id":"https://openalex.org/I127110123","display_name":"Universidade Estadual de Londrina","ror":"https://ror.org/01585b035","country_code":"BR","type":"education","lineage":["https://openalex.org/I127110123"]}],"countries":["BR"],"is_corresponding":true,"raw_author_name":"Taufik Abrao","raw_affiliation_strings":["Telecommunications Group, Department of Electrical Engineering and Computer Science Department, Londrina State University, Parana, Brazil"],"raw_orcid":"https://orcid.org/0000-0001-8678-2805","affiliations":[{"raw_affiliation_string":"Telecommunications Group, Department of Electrical Engineering and Computer Science Department, Londrina State University, Parana, Brazil","institution_ids":["https://openalex.org/I127110123"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5026516878"],"corresponding_institution_ids":["https://openalex.org/I127110123"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.10884304,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"28","issue":"08","first_page":"1950136","last_page":"1950136"},"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/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T10860","display_name":"Speech and Audio Processing","score":0.9979000091552734,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/cognitive-radio","display_name":"Cognitive radio","score":0.8570104837417603},{"id":"https://openalex.org/keywords/wavelet","display_name":"Wavelet","score":0.6624045968055725},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.6421576738357544},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.595417857170105},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5405281186103821},{"id":"https://openalex.org/keywords/spectral-density","display_name":"Spectral density","score":0.5168962478637695},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.51223224401474},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.4488254189491272},{"id":"https://openalex.org/keywords/radio-spectrum","display_name":"Radio spectrum","score":0.44234782457351685},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.42604148387908936},{"id":"https://openalex.org/keywords/spectrum","display_name":"Spectrum (functional analysis)","score":0.4145231544971466},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3883858025074005},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3446224331855774},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.20587140321731567},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.18831494450569153},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.168082594871521},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.16725358366966248},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.07351881265640259}],"concepts":[{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.8570104837417603},{"id":"https://openalex.org/C47432892","wikidata":"https://www.wikidata.org/wiki/Q831390","display_name":"Wavelet","level":2,"score":0.6624045968055725},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.6421576738357544},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.595417857170105},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5405281186103821},{"id":"https://openalex.org/C168110828","wikidata":"https://www.wikidata.org/wiki/Q1331626","display_name":"Spectral density","level":2,"score":0.5168962478637695},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.51223224401474},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.4488254189491272},{"id":"https://openalex.org/C92545706","wikidata":"https://www.wikidata.org/wiki/Q902174","display_name":"Radio spectrum","level":2,"score":0.44234782457351685},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.42604148387908936},{"id":"https://openalex.org/C156778621","wikidata":"https://www.wikidata.org/wiki/Q1365748","display_name":"Spectrum (functional analysis)","level":2,"score":0.4145231544971466},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3883858025074005},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3446224331855774},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.20587140321731567},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.18831494450569153},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.168082594871521},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.16725358366966248},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.07351881265640259},{"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:10.1142/s0218126619501366","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0218126619501366","pdf_url":null,"source":{"id":"https://openalex.org/S167602672","display_name":"Journal of Circuits Systems and Computers","issn_l":"0218-1266","issn":["0218-1266","1793-6454"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Circuits, Systems and Computers","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.5799999833106995}],"awards":[{"id":"https://openalex.org/G5282069002","display_name":null,"funder_award_id":"404079/2016-4","funder_id":"https://openalex.org/F4320322025","funder_display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico"},{"id":"https://openalex.org/G6305273993","display_name":null,"funder_award_id":"304066/2015-0","funder_id":"https://openalex.org/F4320322025","funder_display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico"}],"funders":[{"id":"https://openalex.org/F4320321091","display_name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior","ror":"https://ror.org/00x0ma614"},{"id":"https://openalex.org/F4320322025","display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico","ror":"https://ror.org/03swz6y49"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W210359992","https://openalex.org/W1487059941","https://openalex.org/W1535757228","https://openalex.org/W2021167230","https://openalex.org/W2036678089","https://openalex.org/W2054019480","https://openalex.org/W2079674419","https://openalex.org/W2106822551","https://openalex.org/W2114991763","https://openalex.org/W2133825845","https://openalex.org/W2134912813","https://openalex.org/W2136957911","https://openalex.org/W2152349764","https://openalex.org/W2153732405","https://openalex.org/W2346348624","https://openalex.org/W2478333844","https://openalex.org/W2519663870","https://openalex.org/W2529313004","https://openalex.org/W2612262567","https://openalex.org/W2883834994","https://openalex.org/W2884188227"],"related_works":["https://openalex.org/W3118536199","https://openalex.org/W2236567279","https://openalex.org/W3168365631","https://openalex.org/W3016860855","https://openalex.org/W2188389332","https://openalex.org/W4225341666","https://openalex.org/W3046087850","https://openalex.org/W1988869880","https://openalex.org/W185479762","https://openalex.org/W3161816731"],"abstract_inverted_index":{"In":[0],"cognitive":[1],"radio":[2],"(CR),":[3],"the":[4,20,26,76,85,92,96,110,113,120,152,155,163,171,196],"sensed":[5,27],"aggregate":[6],"bandwidth":[7],"could":[8],"be":[9,34],"as":[10,12,189],"large":[11],"several":[13],"GHz.":[14],"This":[15,36],"is":[16,81],"especially":[17],"challenging":[18],"if":[19],"bandwidths":[21],"and":[22,31,52,69,124,132],"central":[23],"frequencies":[24,94],"of":[25,95,104,112,154],"signals":[28],"are":[29,100],"unknown":[30],"need":[32],"to":[33,74,83],"estimated.":[35],"work":[37,106],"discusses":[38],"a":[39,62,70],"new":[40],"improved":[41],"method":[42,60,174],"for":[43,162,193],"MB":[44,114,197],"spectrum":[45,65,77,86,115],"sensing":[46],"(iMB-SS)":[47],"based":[48],"on":[49,141],"edge":[50,122],"detection":[51],"using":[53],"Wavelet":[54,72],"Spectrum":[55],"Filtering.":[56],"The":[57,102,159],"proposed":[58,156,172],"iMB-SS":[59,157,173],"uses":[61],"Welch":[63],"power":[64],"density":[66],"(PSD)":[67],"estimate":[68],"multi-scale":[71],"approach":[73],"reveal":[75],"transition":[78],"(edges),":[79],"which":[80],"deployed":[82],"characterize":[84],"occupancy":[87],"in":[88,108,146,195],"CR":[89,147,167,198],"scenarios":[90],"where":[91],"operation":[93],"primary":[97],"users":[98],"(PUs)":[99],"unknown.":[101],"focus":[103],"this":[105],"lies":[107],"improving":[109],"performance":[111,178],"sensor,":[116],"particularly":[117],"by":[118,139],"refining":[119],"spectral":[121],"location":[123],"reducing":[125],"misleading":[126],"detection.":[127],"A":[128],"comprehensive":[129],"analytical":[130],"description":[131],"numerical":[133],"analysis":[134],"have":[135],"been":[136],"carried":[137],"out":[138,188],"focusing":[140],"orthogonal-frequency-division-multiplexing":[142],"(OFDM)":[143],"signal":[144],"applications":[145],"networks.":[148],"Numerical":[149],"results":[150,161],"corroborate":[151],"effectiveness":[153],"approach.":[158],"simulated":[160],"multiple-PU\u2019s":[164],"OFDM-based":[165],"transmission":[166],"system":[168],"demonstrate":[169],"that":[170],"can":[175],"achieve":[176],"high":[177],"even":[179],"under":[180],"low":[181],"signal-to-noise":[182],"ratio":[183],"(SNR)":[184],"regime,":[185],"turning":[186],"it":[187],"an":[190],"attractive":[191],"choice":[192],"SS":[194],"systems.":[199]},"counts_by_year":[{"year":2024,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}