{"id":"https://openalex.org/W1630783681","doi":"https://doi.org/10.1109/isit.2015.7282729","title":"Sphericity minimum description length: Asymptotic performance under unknown noise variance","display_name":"Sphericity minimum description length: Asymptotic performance under unknown noise variance","publication_year":2015,"publication_date":"2015-06-01","ids":{"openalex":"https://openalex.org/W1630783681","doi":"https://doi.org/10.1109/isit.2015.7282729","mag":"1630783681"},"language":"en","primary_location":{"id":"doi:10.1109/isit.2015.7282729","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit.2015.7282729","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE International Symposium on Information Theory (ISIT)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://hdl.handle.net/2117/98254","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5077848573","display_name":"Josep Font\u2010Segura","orcid":"https://orcid.org/0000-0002-0009-2545"},"institutions":[{"id":"https://openalex.org/I170486558","display_name":"Pompeu Fabra University","ror":"https://ror.org/04n0g0b29","country_code":"ES","type":"education","lineage":["https://openalex.org/I170486558"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"Josep Font-Segura","raw_affiliation_strings":["Universitat Pompeu Fabra (UPF), Barcelona, Spain","Universitat Pompeu Fabra (UPF) Roc Boronat, 138 08018 Barcelona Spain"],"affiliations":[{"raw_affiliation_string":"Universitat Pompeu Fabra (UPF), Barcelona, Spain","institution_ids":["https://openalex.org/I170486558"]},{"raw_affiliation_string":"Universitat Pompeu Fabra (UPF) Roc Boronat, 138 08018 Barcelona Spain","institution_ids":["https://openalex.org/I170486558"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102742723","display_name":"Jaume Riba","orcid":"https://orcid.org/0000-0002-5515-8169"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Jaume Riba","raw_affiliation_strings":["Technical University of Catalonia (UPC), Barcelona, Spain","Technical University of Catalonia (UPC), Jordi Girona, 1-3. 08034 Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"Technical University of Catalonia (UPC), Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]},{"raw_affiliation_string":"Technical University of Catalonia (UPC), Jordi Girona, 1-3. 08034 Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5000505569","display_name":"G. Vazquez","orcid":"https://orcid.org/0000-0002-3007-6247"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Gregori Vazquez","raw_affiliation_strings":["Technical University of Catalonia (UPC), Barcelona, Spain","Technical University of Catalonia (UPC), Jordi Girona, 1-3. 08034 Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"Technical University of Catalonia (UPC), Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]},{"raw_affiliation_string":"Technical University of Catalonia (UPC), Jordi Girona, 1-3. 08034 Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5077848573"],"corresponding_institution_ids":["https://openalex.org/I170486558"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.03094406,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"43","issue":null,"first_page":"1615","last_page":"1619"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"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"}},"topics":[{"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/T11447","display_name":"Blind Source Separation Techniques","score":0.9997000098228455,"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"}},{"id":"https://openalex.org/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9995999932289124,"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/minimum-description-length","display_name":"Minimum description length","score":0.7435782551765442},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5911902189254761},{"id":"https://openalex.org/keywords/variance","display_name":"Variance (accounting)","score":0.5266641974449158},{"id":"https://openalex.org/keywords/cognitive-radio","display_name":"Cognitive radio","score":0.5243770480155945},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.5024487972259521},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.5008900165557861},{"id":"https://openalex.org/keywords/sphericity","display_name":"Sphericity","score":0.4991292953491211},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.4942300617694855},{"id":"https://openalex.org/keywords/asymptotically-optimal-algorithm","display_name":"Asymptotically optimal algorithm","score":0.4797981083393097},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.44502755999565125},{"id":"https://openalex.org/keywords/selection","display_name":"Selection (genetic algorithm)","score":0.4405926465988159},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4372621178627014},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4041404128074646},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.190009206533432},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.09876510500907898},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.08398696780204773}],"concepts":[{"id":"https://openalex.org/C87465248","wikidata":"https://www.wikidata.org/wiki/Q1417790","display_name":"Minimum description length","level":2,"score":0.7435782551765442},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5911902189254761},{"id":"https://openalex.org/C196083921","wikidata":"https://www.wikidata.org/wiki/Q7915758","display_name":"Variance (accounting)","level":2,"score":0.5266641974449158},{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.5243770480155945},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.5024487972259521},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.5008900165557861},{"id":"https://openalex.org/C173913448","wikidata":"https://www.wikidata.org/wiki/Q1375687","display_name":"Sphericity","level":2,"score":0.4991292953491211},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.4942300617694855},{"id":"https://openalex.org/C181789720","wikidata":"https://www.wikidata.org/wiki/Q4812191","display_name":"Asymptotically optimal algorithm","level":2,"score":0.4797981083393097},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.44502755999565125},{"id":"https://openalex.org/C81917197","wikidata":"https://www.wikidata.org/wiki/Q628760","display_name":"Selection (genetic algorithm)","level":2,"score":0.4405926465988159},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4372621178627014},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4041404128074646},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.190009206533432},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.09876510500907898},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.08398696780204773},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C121955636","wikidata":"https://www.wikidata.org/wiki/Q4116214","display_name":"Accounting","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},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1109/isit.2015.7282729","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit.2015.7282729","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE International Symposium on Information Theory (ISIT)","raw_type":"proceedings-article"},{"id":"pmh:oai:repositori-api.upf.edu:10230/58875","is_oa":false,"landing_page_url":"http://hdl.handle.net/10230/58875","pdf_url":null,"source":{"id":"https://openalex.org/S4306402615","display_name":"Repositori digital de la UPF (Universitat Pompeu Fabra)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I170486558","host_organization_name":"Universitat Pompeu Fabra","host_organization_lineage":["https://openalex.org/I170486558"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/acceptedVersion"},{"id":"pmh:oai:upcommons.upc.edu:2117/98254","is_oa":true,"landing_page_url":"https://hdl.handle.net/2117/98254","pdf_url":null,"source":{"id":"https://openalex.org/S4210207057","display_name":"QRU Quaderns de Recerca en Urbanisme","issn_l":"2014-9689","issn":["2014-9689","2385-6777"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310322448","host_organization_name":"Q71272178","host_organization_lineage":["https://openalex.org/P4310322448"],"host_organization_lineage_names":["Q71272178"],"type":"journal"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/conferenceObject"},{"id":"pmh:oai:www.recercat.cat:2072/269978","is_oa":true,"landing_page_url":"http://hdl.handle.net/2117/98254","pdf_url":null,"source":{"id":"https://openalex.org/S4306402147","display_name":"RECERCAT (Consorci de Serveis Universitaris de Catalunya)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210090028","host_organization_name":"Consorci de Serveis Universitaris de Catalunya","host_organization_lineage":["https://openalex.org/I4210090028"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/publishedVersion"}],"best_oa_location":{"id":"pmh:oai:upcommons.upc.edu:2117/98254","is_oa":true,"landing_page_url":"https://hdl.handle.net/2117/98254","pdf_url":null,"source":{"id":"https://openalex.org/S4210207057","display_name":"QRU Quaderns de Recerca en Urbanisme","issn_l":"2014-9689","issn":["2014-9689","2385-6777"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310322448","host_organization_name":"Q71272178","host_organization_lineage":["https://openalex.org/P4310322448"],"host_organization_lineage_names":["Q71272178"],"type":"journal"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/conferenceObject"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G6384502615","display_name":null,"funder_award_id":"CSD2008-00010","funder_id":"https://openalex.org/F4320321837","funder_display_name":"Ministerio de Econom\u00eda y Competitividad"},{"id":"https://openalex.org/G6440864109","display_name":null,"funder_award_id":"2014 SGR 60","funder_id":"https://openalex.org/F4320334830","funder_display_name":"Ag\u00e8ncia de Gesti\u00f3 d'Ajuts Universitaris i de Recerca"}],"funders":[{"id":"https://openalex.org/F4320321837","display_name":"Ministerio de Econom\u00eda y Competitividad","ror":"https://ror.org/034900433"},{"id":"https://openalex.org/F4320334830","display_name":"Ag\u00e8ncia de Gesti\u00f3 d'Ajuts Universitaris i de Recerca","ror":"https://ror.org/01n4pqe45"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":26,"referenced_works":["https://openalex.org/W1525535255","https://openalex.org/W1814500939","https://openalex.org/W1980129653","https://openalex.org/W1980455221","https://openalex.org/W1985242481","https://openalex.org/W1995398986","https://openalex.org/W2032005532","https://openalex.org/W2054658115","https://openalex.org/W2058074751","https://openalex.org/W2063758715","https://openalex.org/W2096710051","https://openalex.org/W2122951883","https://openalex.org/W2124958834","https://openalex.org/W2127593435","https://openalex.org/W2128657381","https://openalex.org/W2140262081","https://openalex.org/W2142635246","https://openalex.org/W2144106004","https://openalex.org/W2154239231","https://openalex.org/W2163852636","https://openalex.org/W2167213787","https://openalex.org/W2168175751","https://openalex.org/W2172139273","https://openalex.org/W2611210475","https://openalex.org/W3149745985","https://openalex.org/W4206180546"],"related_works":["https://openalex.org/W2096043834","https://openalex.org/W3094508179","https://openalex.org/W2027005891","https://openalex.org/W4390193366","https://openalex.org/W1941822459","https://openalex.org/W2928518363","https://openalex.org/W2189228385","https://openalex.org/W1998835050","https://openalex.org/W2004670208","https://openalex.org/W1903687474"],"abstract_inverted_index":{"This":[0],"paper":[1],"revisits":[2],"the":[3,9,21,25,30,34,50,55,61,70,76],"model":[4],"order":[5],"selection":[6],"problem":[7],"in":[8,15,75],"context":[10],"of":[11,20,33,54,60,67],"second-order":[12],"spectrum":[13],"sensing":[14],"cognitive":[16],"radio.":[17],"Taking":[18],"advantage":[19],"recent":[22],"interest":[23],"on":[24],"generalized":[26],"likelihood":[27],"ratio":[28],"(GLR),":[29],"asymptotic":[31],"performance":[32],"minimum":[35],"description":[36],"length":[37],"(MDL)":[38],"rule":[39],"under":[40],"unknown":[41],"noise":[42],"variance":[43],"is":[44,64],"addressed.":[45],"In":[46],"particular,":[47],"by":[48],"exploiting":[49],"asymptotically":[51],"Chi-squared":[52],"distribution":[53],"GLR,":[56],"a":[57],"complete":[58],"characterization":[59],"error":[62],"probability":[63,72],"reported,":[65],"instead":[66],"approximating":[68],"only":[69],"missed-detection":[71],"as":[73],"done":[74],"literature.":[77]},"counts_by_year":[{"year":2023,"cited_by_count":1}],"updated_date":"2026-04-10T15:06:20.359241","created_date":"2025-10-10T00:00:00"}