{"id":"https://openalex.org/W3205406612","doi":"https://doi.org/10.1109/twc.2021.3118320","title":"Facing the SNR Wall Detection in Full Duplex Cognitive Radio Networks Using a GLRT Multipath-Based Detector","display_name":"Facing the SNR Wall Detection in Full Duplex Cognitive Radio Networks Using a GLRT Multipath-Based Detector","publication_year":2021,"publication_date":"2021-10-14","ids":{"openalex":"https://openalex.org/W3205406612","doi":"https://doi.org/10.1109/twc.2021.3118320","mag":"3205406612"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2021.3118320","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2021.3118320","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Wireless Communications","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/A5029503382","display_name":"Andrea Tani","orcid":"https://orcid.org/0000-0002-8414-1403"},"institutions":[{"id":"https://openalex.org/I45084792","display_name":"University of Florence","ror":"https://ror.org/04jr1s763","country_code":"IT","type":"education","lineage":["https://openalex.org/I45084792"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Andrea Tani","raw_affiliation_strings":["Department of Information Engineering, University of Florence, Florence, Italy"],"raw_orcid":"https://orcid.org/0000-0002-8414-1403","affiliations":[{"raw_affiliation_string":"Department of Information Engineering, University of Florence, Florence, Italy","institution_ids":["https://openalex.org/I45084792"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079864944","display_name":"Dania Marabissi","orcid":"https://orcid.org/0000-0002-7075-3556"},"institutions":[{"id":"https://openalex.org/I45084792","display_name":"University of Florence","ror":"https://ror.org/04jr1s763","country_code":"IT","type":"education","lineage":["https://openalex.org/I45084792"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Dania Marabissi","raw_affiliation_strings":["Department of Information Engineering, University of Florence, Florence, Italy"],"raw_orcid":"https://orcid.org/0000-0002-7075-3556","affiliations":[{"raw_affiliation_string":"Department of Information Engineering, University of Florence, Florence, Italy","institution_ids":["https://openalex.org/I45084792"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5005457508","display_name":"Romano Fantacci","orcid":"https://orcid.org/0000-0001-5934-3321"},"institutions":[{"id":"https://openalex.org/I45084792","display_name":"University of Florence","ror":"https://ror.org/04jr1s763","country_code":"IT","type":"education","lineage":["https://openalex.org/I45084792"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Romano Fantacci","raw_affiliation_strings":["Department of Information Engineering, University of Florence, Florence, Italy"],"raw_orcid":"https://orcid.org/0000-0001-5934-3321","affiliations":[{"raw_affiliation_string":"Department of Information Engineering, University of Florence, Florence, Italy","institution_ids":["https://openalex.org/I45084792"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I45084792"],"apc_list":null,"apc_paid":null,"fwci":0.5901,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.66643799,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":98},"biblio":{"volume":"21","issue":"5","first_page":"3116","last_page":"3130"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9998999834060669,"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/T10579","display_name":"Cognitive Radio Networks and Spectrum Sensing","score":0.9998000264167786,"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":0.9987999796867371,"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":0.8360165357589722},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7115749716758728},{"id":"https://openalex.org/keywords/detector","display_name":"Detector","score":0.6411007642745972},{"id":"https://openalex.org/keywords/multipath-propagation","display_name":"Multipath propagation","score":0.6169042587280273},{"id":"https://openalex.org/keywords/single-antenna-interference-cancellation","display_name":"Single antenna interference cancellation","score":0.5530555248260498},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.5284238457679749},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4846492409706116},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.4468730390071869},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4396286904811859},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.438096284866333},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.4277755618095398},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4197320342063904},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3999965786933899},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.38012799620628357},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1128588616847992}],"concepts":[{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.8360165357589722},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7115749716758728},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.6411007642745972},{"id":"https://openalex.org/C161218011","wikidata":"https://www.wikidata.org/wiki/Q11827794","display_name":"Multipath propagation","level":3,"score":0.6169042587280273},{"id":"https://openalex.org/C83204339","wikidata":"https://www.wikidata.org/wiki/Q7523915","display_name":"Single antenna interference cancellation","level":3,"score":0.5530555248260498},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.5284238457679749},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4846492409706116},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.4468730390071869},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4396286904811859},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.438096284866333},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.4277755618095398},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4197320342063904},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3999965786933899},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.38012799620628357},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1128588616847992}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/twc.2021.3118320","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2021.3118320","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Wireless Communications","raw_type":"journal-article"},{"id":"pmh:oai:flore.unifi.it:2158/1245144","is_oa":false,"landing_page_url":"https://hdl.handle.net/2158/1245144","pdf_url":null,"source":{"id":"https://openalex.org/S4306402033","display_name":"Florence Research (University of Florence)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I45084792","host_organization_name":"University of Florence","host_organization_lineage":["https://openalex.org/I45084792"],"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/article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.4399999976158142,"display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W225487592","https://openalex.org/W1638677299","https://openalex.org/W2073916969","https://openalex.org/W2100814173","https://openalex.org/W2119137700","https://openalex.org/W2121752971","https://openalex.org/W2130264299","https://openalex.org/W2135575309","https://openalex.org/W2143078474","https://openalex.org/W2147153302","https://openalex.org/W2149255982","https://openalex.org/W2150767133","https://openalex.org/W2155696702","https://openalex.org/W2172139273","https://openalex.org/W2228801089","https://openalex.org/W2278842689","https://openalex.org/W2279642528","https://openalex.org/W2280569122","https://openalex.org/W2293805589","https://openalex.org/W2330674399","https://openalex.org/W2519269184","https://openalex.org/W2537439363","https://openalex.org/W2582857465","https://openalex.org/W2943964011","https://openalex.org/W2963887887","https://openalex.org/W3110712599","https://openalex.org/W4243548070","https://openalex.org/W6695122472"],"related_works":["https://openalex.org/W2559261346","https://openalex.org/W2063322879","https://openalex.org/W2365415733","https://openalex.org/W2137628250","https://openalex.org/W4200379864","https://openalex.org/W2130267323","https://openalex.org/W2602252168","https://openalex.org/W2130715019","https://openalex.org/W2088618661","https://openalex.org/W2108756703"],"abstract_inverted_index":{"Recently,":[0],"with":[1],"the":[2,17,39,44,48,62,79,84,105,110,119,126,149,154,177,194],"advances":[3],"in":[4,20,27,180],"self-interference":[5,136],"cancellation,":[6,57],"full-duplex":[7],"(FD)":[8],"techniques":[9],"have":[10],"become":[11],"a":[12,33,59,73,98,164,187],"feasible":[13],"approach":[14,175],"to":[15,36,78,109],"improve":[16],"spectrum":[18,40,63],"usage":[19],"new":[21],"generation":[22],"wireless":[23],"systems.":[24],"In":[25],"particular,":[26],"cognitive":[28],"radio":[29],"networks,":[30],"FD":[31],"allows":[32],"secondary":[34],"user":[35],"simultaneously":[37],"sense":[38],"and":[41],"transmit,":[42],"improving":[43],"network":[45],"efficiency.":[46],"However,":[47],"residual":[49],"self":[50],"interference":[51],"(RSI)":[52],"arising":[53],"from":[54],"an":[55,134,145],"imperfect":[56,135],"represents":[58,72],"bottleneck":[60],"for":[61],"sensing":[64],"performance.":[65],"This":[66],"paper":[67],"analytically":[68],"demonstrates":[69],"that":[70,118,163,173],"RSI":[71],"colored":[74],"noise":[75],"which":[76,192],"leads":[77],"SNR":[80,127],"Wall":[81],"phenomenon":[82],"making":[83],"typical":[85],"OFDM":[86,190],"signal":[87],"detectors":[88],"no":[89],"longer":[90],"robust.":[91],"To":[92],"overcome":[93],"this":[94],"drawback,":[95],"we":[96],"propose":[97],"generalized":[99],"likelihood":[100],"ratio":[101],"test":[102],"detector":[103],"exploiting":[104],"multipath":[106],"correlation":[107],"due":[108],"primary":[111],"user\u2019s":[112],"(PU)":[113],"channel.":[114],"It":[115],"is":[116,122,131,142,157,161],"proven":[117],"proposed":[120],"method":[121],"not":[123],"affected":[124],"by":[125],"Wall,":[128],"hence":[129],"it":[130,160],"robust":[132],"w.r.t":[133],"cancellation.":[137],"Specifically,":[138],"best":[139],"detection":[140],"performance":[141,166],"achieved":[143],"when":[144,184],"approximated":[146],"knowledge":[147],"of":[148,153],"maximum":[150],"delay":[151],"spread":[152],"PU":[155,185],"channel":[156],"available,":[158],"otherwise":[159],"shown":[162],"limited":[165],"degradation":[167],"occurs.":[168],"Moreover,":[169],"provided":[170],"results":[171],"highlight":[172],"our":[174],"outperforms":[176],"classical":[178],"alternatives":[179],"different":[181],"scenarios,":[182],"including":[183],"employs":[186],"mixed":[188],"numerology":[189],"signal,":[191],"characterizes":[193],"5G":[195],"New":[196],"Radio":[197],"waveform.":[198]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":4}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2021-10-25T00:00:00"}