{"id":"https://openalex.org/W4416514225","doi":"https://doi.org/10.1109/isncc66965.2025.11250393","title":"Threshold Design for Undersampled Autocorrelation-Based OFDM Spectrum Sensing","display_name":"Threshold Design for Undersampled Autocorrelation-Based OFDM Spectrum Sensing","publication_year":2025,"publication_date":"2025-10-27","ids":{"openalex":"https://openalex.org/W4416514225","doi":"https://doi.org/10.1109/isncc66965.2025.11250393"},"language":null,"primary_location":{"id":"doi:10.1109/isncc66965.2025.11250393","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isncc66965.2025.11250393","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 International Symposium on Networks, Computers and Communications (ISNCC)","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/A5035336547","display_name":"Farwa Ahmed","orcid":null},"institutions":[{"id":"https://openalex.org/I70277191","display_name":"Institute of Technology Carlow","ror":"https://ror.org/02frwys47","country_code":"IE","type":"government","lineage":["https://openalex.org/I70277191"]}],"countries":["IE"],"is_corresponding":true,"raw_author_name":"Farwa Ahmed","raw_affiliation_strings":["South East Technological University,engCORE,Carlow,Ireland,R93 V960"],"affiliations":[{"raw_affiliation_string":"South East Technological University,engCORE,Carlow,Ireland,R93 V960","institution_ids":["https://openalex.org/I70277191"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014325666","display_name":"Pat Chambers","orcid":"https://orcid.org/0000-0002-0025-0195"},"institutions":[{"id":"https://openalex.org/I70277191","display_name":"Institute of Technology Carlow","ror":"https://ror.org/02frwys47","country_code":"IE","type":"government","lineage":["https://openalex.org/I70277191"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"Pat Chambers","raw_affiliation_strings":["South East Technological University,engCORE,Carlow,Ireland,R93 V960"],"affiliations":[{"raw_affiliation_string":"South East Technological University,engCORE,Carlow,Ireland,R93 V960","institution_ids":["https://openalex.org/I70277191"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071345719","display_name":"Mathini Sellathurai","orcid":"https://orcid.org/0000-0002-8738-8583"},"institutions":[{"id":"https://openalex.org/I32062511","display_name":"Heriot-Watt University","ror":"https://ror.org/04mghma93","country_code":"GB","type":"education","lineage":["https://openalex.org/I32062511"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Mathini Sellathurai","raw_affiliation_strings":["Heriot-Watt University,Dept. Engineering & Physical Science (EPS),Edinburgh,UK,EH14 4AS"],"affiliations":[{"raw_affiliation_string":"Heriot-Watt University,Dept. Engineering & Physical Science (EPS),Edinburgh,UK,EH14 4AS","institution_ids":["https://openalex.org/I32062511"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019240225","display_name":"Paul O\u2019Leary","orcid":"https://orcid.org/0000-0002-9838-5847"},"institutions":[{"id":"https://openalex.org/I7478328","display_name":"Waterford Institute of Technology","ror":"https://ror.org/03ypxwh20","country_code":"IE","type":"nonprofit","lineage":["https://openalex.org/I7478328"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"Paul O\u2019Leary","raw_affiliation_strings":["South East Technological University,Dept. Engineering Technology,Waterford,Ireland,X91 CF21"],"affiliations":[{"raw_affiliation_string":"South East Technological University,Dept. Engineering Technology,Waterford,Ireland,X91 CF21","institution_ids":["https://openalex.org/I7478328"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5007122353","display_name":"Darren F. Kavanagh","orcid":null},"institutions":[{"id":"https://openalex.org/I70277191","display_name":"Institute of Technology Carlow","ror":"https://ror.org/02frwys47","country_code":"IE","type":"government","lineage":["https://openalex.org/I70277191"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"Darren F. Kavanagh","raw_affiliation_strings":["South East Technological University,engCORE,Carlow,Ireland,R93 V960"],"affiliations":[{"raw_affiliation_string":"South East Technological University,engCORE,Carlow,Ireland,R93 V960","institution_ids":["https://openalex.org/I70277191"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5035336547"],"corresponding_institution_ids":["https://openalex.org/I70277191"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.43406743,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"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":0.7633000016212463,"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":0.7633000016212463,"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/T11873","display_name":"PAPR reduction in OFDM","score":0.12080000340938568,"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/T10891","display_name":"Radar Systems and Signal Processing","score":0.022700000554323196,"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/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.7825999855995178},{"id":"https://openalex.org/keywords/undersampling","display_name":"Undersampling","score":0.6323999762535095},{"id":"https://openalex.org/keywords/false-alarm","display_name":"False alarm","score":0.623199999332428},{"id":"https://openalex.org/keywords/autocorrelation","display_name":"Autocorrelation","score":0.5134999752044678},{"id":"https://openalex.org/keywords/cognitive-radio","display_name":"Cognitive radio","score":0.5120999813079834},{"id":"https://openalex.org/keywords/compressed-sensing","display_name":"Compressed sensing","score":0.4812999963760376},{"id":"https://openalex.org/keywords/detection-theory","display_name":"Detection theory","score":0.41359999775886536},{"id":"https://openalex.org/keywords/ultra-wideband","display_name":"Ultra-wideband","score":0.40709999203681946},{"id":"https://openalex.org/keywords/wideband","display_name":"Wideband","score":0.40369999408721924}],"concepts":[{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.7825999855995178},{"id":"https://openalex.org/C136536468","wikidata":"https://www.wikidata.org/wiki/Q1225894","display_name":"Undersampling","level":2,"score":0.6323999762535095},{"id":"https://openalex.org/C2776836416","wikidata":"https://www.wikidata.org/wiki/Q1364844","display_name":"False alarm","level":2,"score":0.623199999332428},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6022999882698059},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5662000179290771},{"id":"https://openalex.org/C5297727","wikidata":"https://www.wikidata.org/wiki/Q786970","display_name":"Autocorrelation","level":2,"score":0.5134999752044678},{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.5120999813079834},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4912000000476837},{"id":"https://openalex.org/C124851039","wikidata":"https://www.wikidata.org/wiki/Q2665459","display_name":"Compressed sensing","level":2,"score":0.4812999963760376},{"id":"https://openalex.org/C137270730","wikidata":"https://www.wikidata.org/wiki/Q120811","display_name":"Detection theory","level":3,"score":0.41359999775886536},{"id":"https://openalex.org/C21916231","wikidata":"https://www.wikidata.org/wiki/Q851424","display_name":"Ultra-wideband","level":2,"score":0.40709999203681946},{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.40369999408721924},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.3862000107765198},{"id":"https://openalex.org/C156778621","wikidata":"https://www.wikidata.org/wiki/Q1365748","display_name":"Spectrum (functional analysis)","level":2,"score":0.3783999979496002},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.3700000047683716},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.3612000048160553},{"id":"https://openalex.org/C288623","wikidata":"https://www.wikidata.org/wiki/Q679800","display_name":"Nyquist\u2013Shannon sampling theorem","level":2,"score":0.3140999972820282},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.2953000068664551},{"id":"https://openalex.org/C89061704","wikidata":"https://www.wikidata.org/wiki/Q5555726","display_name":"Frequency-division multiplexing","level":4,"score":0.289000004529953},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.2858999967575073},{"id":"https://openalex.org/C3019361169","wikidata":"https://www.wikidata.org/wiki/Q2609467","display_name":"Detection threshold","level":2,"score":0.28060001134872437},{"id":"https://openalex.org/C2776514898","wikidata":"https://www.wikidata.org/wiki/Q7631141","display_name":"Subframe","level":3,"score":0.2799000144004822},{"id":"https://openalex.org/C75172450","wikidata":"https://www.wikidata.org/wiki/Q623950","display_name":"Fast Fourier transform","level":2,"score":0.2786000072956085},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.27549999952316284},{"id":"https://openalex.org/C4069607","wikidata":"https://www.wikidata.org/wiki/Q868732","display_name":"Aliasing","level":3,"score":0.2727000117301941},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.27079999446868896},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.27059999108314514},{"id":"https://openalex.org/C142433447","wikidata":"https://www.wikidata.org/wiki/Q7806653","display_name":"Time\u2013frequency analysis","level":3,"score":0.2646999955177307},{"id":"https://openalex.org/C50661577","wikidata":"https://www.wikidata.org/wiki/Q901831","display_name":"Time-division multiplexing","level":3,"score":0.2529999911785126},{"id":"https://openalex.org/C96608239","wikidata":"https://www.wikidata.org/wiki/Q1199823","display_name":"Statistical power","level":2,"score":0.25110000371932983}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/isncc66965.2025.11250393","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isncc66965.2025.11250393","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 International Symposium on Networks, Computers and Communications (ISNCC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1971092683","https://openalex.org/W2100814173","https://openalex.org/W2335894546","https://openalex.org/W2559035186","https://openalex.org/W2900414669","https://openalex.org/W2954899279","https://openalex.org/W3045581994","https://openalex.org/W3088771691","https://openalex.org/W4290996251","https://openalex.org/W4313046419","https://openalex.org/W4327796626","https://openalex.org/W4382935129"],"related_works":[],"abstract_inverted_index":{"An":[0],"undersampled":[1],"autocorrelation-based":[2,30],"spectrum":[3],"sensing":[4],"algorithm":[5,25,96],"is":[6],"proposed":[7,24,95],"for":[8,76],"orthogonal":[9],"frequency":[10],"division":[11],"multiplexing":[12],"(OFDM)":[13],"signal":[14],"detection":[15,31,86,99],"in":[16,69,101],"channels":[17],"sampled":[18],"below":[19],"the":[20,27,34,42,46,50,77,94,102,114],"Nyquist":[21],"rate.":[22],"The":[23,63],"reduces":[26],"complexity":[28],"of":[29,36,49,65],"by":[32],"minimizing":[33],"number":[35],"unique":[37],"multiplications":[38],"required":[39],"to":[40,58,81,104],"compute":[41],"autocorrelation":[43],"function,":[44],"exploiting":[45],"inherent":[47],"structure":[48],"OFDM":[51],"signal.":[52],"This":[53],"enables":[54],"low-bandwidth":[55],"cognitive":[56],"radios":[57],"effectively":[59],"detect":[60],"wideband":[61],"signals.":[62],"novelty":[64],"this":[66],"work":[67],"lies":[68],"a":[70],"threshold":[71],"design":[72],"approach,":[73],"which":[74],"compensates":[75],"performance":[78,100],"loss":[79],"due":[80],"undersampling":[82],"and":[83,89],"maintains":[84],"reliable":[85],"accuracy.":[87],"Analytical":[88],"simulation":[90],"results":[91],"demonstrate":[92],"that":[93],"attains":[97],"reasonable":[98],"mid":[103],"high":[105],"signal-to-noise":[106],"ratio":[107],"(SNR)":[108],"scenarios,":[109],"while":[110],"also":[111],"significantly":[112],"reducing":[113],"false":[115],"alarm":[116],"probability":[117],"under":[118],"low":[119],"SNR":[120],"conditions.":[121]},"counts_by_year":[],"updated_date":"2026-03-07T16:01:11.037858","created_date":"2025-11-23T00:00:00"}