{"id":"https://openalex.org/W4246909946","doi":"https://doi.org/10.1109/wcncw.2016.7552723","title":"Novel two-stage spectrum sensing for energy detection with FFT","display_name":"Novel two-stage spectrum sensing for energy detection with FFT","publication_year":2016,"publication_date":"2016-04-01","ids":{"openalex":"https://openalex.org/W4246909946","doi":"https://doi.org/10.1109/wcncw.2016.7552723"},"language":"en","primary_location":{"id":"doi:10.1109/wcncw.2016.7552723","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcncw.2016.7552723","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2016 IEEE Wireless Communications and Networking Conference Workshops (WCNCW)","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/A5103980966","display_name":"Mai Ohta","orcid":null},"institutions":[{"id":"https://openalex.org/I31784960","display_name":"Fukuoka University","ror":"https://ror.org/04nt8b154","country_code":"JP","type":"education","lineage":["https://openalex.org/I31784960"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Mai Ohta","raw_affiliation_strings":["Department of Electronics and Computer Science, Fukuoka University, Fukuoka, Japan"],"affiliations":[{"raw_affiliation_string":"Department of Electronics and Computer Science, Fukuoka University, Fukuoka, Japan","institution_ids":["https://openalex.org/I31784960"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006789640","display_name":"Osamu Takyu","orcid":"https://orcid.org/0000-0003-3221-6714"},"institutions":[{"id":"https://openalex.org/I137975476","display_name":"Shinshu University","ror":"https://ror.org/0244rem06","country_code":"JP","type":"education","lineage":["https://openalex.org/I137975476"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Osamu Takyu","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, Shinshu University, Nagano, Japan"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, Shinshu University, Nagano, Japan","institution_ids":["https://openalex.org/I137975476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054932044","display_name":"Takeo Fujii","orcid":"https://orcid.org/0000-0002-7886-5560"},"institutions":[{"id":"https://openalex.org/I20529979","display_name":"University of Electro-Communications","ror":"https://ror.org/02x73b849","country_code":"JP","type":"education","lineage":["https://openalex.org/I20529979"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takeo Fujii","raw_affiliation_strings":["AWCC, University of Electro-Communications, Chofu-shi, Tokyo, Japan"],"affiliations":[{"raw_affiliation_string":"AWCC, University of Electro-Communications, Chofu-shi, Tokyo, Japan","institution_ids":["https://openalex.org/I20529979"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101015225","display_name":"Makoto Taromaru","orcid":null},"institutions":[{"id":"https://openalex.org/I31784960","display_name":"Fukuoka University","ror":"https://ror.org/04nt8b154","country_code":"JP","type":"education","lineage":["https://openalex.org/I31784960"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Makoto Taromaru","raw_affiliation_strings":["Department of Electronics and Computer Science, Fukuoka University, Fukuoka, Japan"],"affiliations":[{"raw_affiliation_string":"Department of Electronics and Computer Science, Fukuoka University, Fukuoka, Japan","institution_ids":["https://openalex.org/I31784960"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5103980966"],"corresponding_institution_ids":["https://openalex.org/I31784960"],"apc_list":null,"apc_paid":null,"fwci":0.29853518,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.71410726,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"346","last_page":"350"},"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/T12146","display_name":"Power Line Communications and Noise","score":0.9973000288009644,"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"}},{"id":"https://openalex.org/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9897000193595886,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/fast-fourier-transform","display_name":"Fast Fourier transform","score":0.8771203756332397},{"id":"https://openalex.org/keywords/cognitive-radio","display_name":"Cognitive radio","score":0.8250274658203125},{"id":"https://openalex.org/keywords/spectral-leakage","display_name":"Spectral leakage","score":0.7538357973098755},{"id":"https://openalex.org/keywords/false-alarm","display_name":"False alarm","score":0.744835615158081},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6561256647109985},{"id":"https://openalex.org/keywords/energy","display_name":"Energy (signal processing)","score":0.5593897104263306},{"id":"https://openalex.org/keywords/white-spaces","display_name":"White spaces","score":0.539264976978302},{"id":"https://openalex.org/keywords/window-function","display_name":"Window function","score":0.4973757565021515},{"id":"https://openalex.org/keywords/leakage","display_name":"Leakage (economics)","score":0.4864892363548279},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.48280489444732666},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.39013972878456116},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.385209321975708},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3848484754562378},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3356574475765228},{"id":"https://openalex.org/keywords/spectral-density","display_name":"Spectral density","score":0.2869468331336975},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2374868392944336},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.20670777559280396},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.13563337922096252},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.12928780913352966}],"concepts":[{"id":"https://openalex.org/C75172450","wikidata":"https://www.wikidata.org/wiki/Q623950","display_name":"Fast Fourier transform","level":2,"score":0.8771203756332397},{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.8250274658203125},{"id":"https://openalex.org/C113407356","wikidata":"https://www.wikidata.org/wiki/Q1431214","display_name":"Spectral leakage","level":3,"score":0.7538357973098755},{"id":"https://openalex.org/C2776836416","wikidata":"https://www.wikidata.org/wiki/Q1364844","display_name":"False alarm","level":2,"score":0.744835615158081},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6561256647109985},{"id":"https://openalex.org/C186370098","wikidata":"https://www.wikidata.org/wiki/Q442787","display_name":"Energy (signal processing)","level":2,"score":0.5593897104263306},{"id":"https://openalex.org/C96391052","wikidata":"https://www.wikidata.org/wiki/Q256313","display_name":"White spaces","level":4,"score":0.539264976978302},{"id":"https://openalex.org/C140101238","wikidata":"https://www.wikidata.org/wiki/Q1404885","display_name":"Window function","level":3,"score":0.4973757565021515},{"id":"https://openalex.org/C2777042071","wikidata":"https://www.wikidata.org/wiki/Q6509304","display_name":"Leakage (economics)","level":2,"score":0.4864892363548279},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.48280489444732666},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.39013972878456116},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.385209321975708},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3848484754562378},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3356574475765228},{"id":"https://openalex.org/C168110828","wikidata":"https://www.wikidata.org/wiki/Q1331626","display_name":"Spectral density","level":2,"score":0.2869468331336975},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2374868392944336},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.20670777559280396},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.13563337922096252},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.12928780913352966},{"id":"https://openalex.org/C139719470","wikidata":"https://www.wikidata.org/wiki/Q39680","display_name":"Macroeconomics","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/wcncw.2016.7552723","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcncw.2016.7552723","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2016 IEEE Wireless Communications and Networking Conference Workshops (WCNCW)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.9100000262260437,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320334764","display_name":"Japan Society for the Promotion of Science","ror":"https://ror.org/00hhkn466"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1968366987","https://openalex.org/W2018266996","https://openalex.org/W2024864662","https://openalex.org/W2071741680","https://openalex.org/W2086941024","https://openalex.org/W2098790298","https://openalex.org/W2103214037","https://openalex.org/W2109517573","https://openalex.org/W2122752988","https://openalex.org/W2140157247","https://openalex.org/W2151476203","https://openalex.org/W2158801534","https://openalex.org/W3128947043","https://openalex.org/W6790063720"],"related_works":["https://openalex.org/W1994734174","https://openalex.org/W2054318779","https://openalex.org/W2181410425","https://openalex.org/W2051888740","https://openalex.org/W2382279859","https://openalex.org/W2393141619","https://openalex.org/W2229545378","https://openalex.org/W2944231375","https://openalex.org/W2046691252","https://openalex.org/W2384472869"],"abstract_inverted_index":{"A":[0],"cognitive":[1,136],"radio":[2],"system":[3],"coexisting":[4],"with":[5,151],"various":[6],"systems":[7],"must":[8],"perform":[9],"a":[10,15,24,68,72],"spectrum":[11,27,86,101,132],"sensing":[12,28,133],"for":[13],"finding":[14],"white":[16],"space":[17],"(WS).":[18],"In":[19,41],"this":[20],"paper,":[21],"we":[22,111],"propose":[23],"new":[25],"two-stage":[26],"method":[29],"using":[30],"an":[31,45],"energy":[32],"detection":[33,114],"(ED)":[34],"based":[35],"on":[36,103],"fast":[37],"Fourier":[38],"transform":[39],"(FFT).":[40],"the":[42,50,58,63,79,82,85,91,100,104,107,113,120,123,126,130,140,143,157],"case":[43],"that":[44],"unknown":[46],"signal":[47,65,93],"is":[48,75,95],"present":[49],"FFT":[51,60,74],"band,":[52],"false":[53,153],"signals":[54],"are":[55],"detected":[56,150],"in":[57,125],"surrounding":[59],"bins":[61],"of":[62,81,90,99,106,116,122,129,142],"received":[64],"due":[66],"to":[67,88],"spectral":[69,83],"leakage.":[70],"Whereas":[71],"windowed":[73],"well":[76],"known":[77],"as":[78],"solution":[80],"leakage,":[84],"spread":[87],"out":[89],"original":[92],"frequency":[94],"detected.":[96],"The":[97,135],"shape":[98],"depends":[102],"kinds":[105],"window":[108],"function.":[109],"Therefore":[110],"improve":[112],"performance":[115],"ED":[117],"by":[118,156],"employing":[119],"property":[121],"windowing":[124],"second":[127],"stage":[128],"proposed":[131,158],"method.":[134,159],"node":[137],"can":[138,148],"obtain":[139],"chance":[141],"wireless":[144],"communication":[145],"because":[146],"WS":[147],"be":[149],"low":[152],"alarm":[154],"probability":[155]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
