{"id":"https://openalex.org/W2031134397","doi":"https://doi.org/10.1109/chinasip.2013.6625347","title":"Multiantenna signal processing for cognitive communications","display_name":"Multiantenna signal processing for cognitive communications","publication_year":2013,"publication_date":"2013-07-01","ids":{"openalex":"https://openalex.org/W2031134397","doi":"https://doi.org/10.1109/chinasip.2013.6625347","mag":"2031134397"},"language":"en","primary_location":{"id":"doi:10.1109/chinasip.2013.6625347","is_oa":false,"landing_page_url":"https://doi.org/10.1109/chinasip.2013.6625347","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 IEEE China Summit and International Conference on Signal and Information Processing","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://orbilu.uni.lu/handle/10993/6669","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5016154330","display_name":"Symeon Chatzinotas","orcid":"https://orcid.org/0000-0001-5122-0001"},"institutions":[{"id":"https://openalex.org/I186903577","display_name":"University of Luxembourg","ror":"https://ror.org/036x5ad56","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577"]}],"countries":["LU"],"is_corresponding":true,"raw_author_name":"Symeon Chatzinotas","raw_affiliation_strings":["SnT-securityandtrust.lu, University of Luxembourg, Luxembourg","SnT (Ssecurityandtrust.lu), Univ. of Luxembourg, Luxembourg, Luxembourg"],"affiliations":[{"raw_affiliation_string":"SnT-securityandtrust.lu, University of Luxembourg, Luxembourg","institution_ids":["https://openalex.org/I186903577"]},{"raw_affiliation_string":"SnT (Ssecurityandtrust.lu), Univ. of Luxembourg, Luxembourg, Luxembourg","institution_ids":["https://openalex.org/I186903577"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004973785","display_name":"Shree Krishna Sharma","orcid":"https://orcid.org/0000-0001-9823-2886"},"institutions":[{"id":"https://openalex.org/I186903577","display_name":"University of Luxembourg","ror":"https://ror.org/036x5ad56","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577"]}],"countries":["LU"],"is_corresponding":false,"raw_author_name":"Shree Krishna Sharma","raw_affiliation_strings":["SnT-securityandtrust.lu, University of Luxembourg, Luxembourg","SnT (Ssecurityandtrust.lu), Univ. of Luxembourg, Luxembourg, Luxembourg"],"affiliations":[{"raw_affiliation_string":"SnT-securityandtrust.lu, University of Luxembourg, Luxembourg","institution_ids":["https://openalex.org/I186903577"]},{"raw_affiliation_string":"SnT (Ssecurityandtrust.lu), Univ. of Luxembourg, Luxembourg, Luxembourg","institution_ids":["https://openalex.org/I186903577"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5080037825","display_name":"Bj\u00f6rn Ottersten","orcid":"https://orcid.org/0000-0003-2298-6774"},"institutions":[{"id":"https://openalex.org/I186903577","display_name":"University of Luxembourg","ror":"https://ror.org/036x5ad56","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577"]}],"countries":["LU"],"is_corresponding":false,"raw_author_name":"Bjorn Ottersten","raw_affiliation_strings":["SnT-securityandtrust.lu, University of Luxembourg, Luxembourg","SnT (Ssecurityandtrust.lu), Univ. of Luxembourg, Luxembourg, Luxembourg"],"affiliations":[{"raw_affiliation_string":"SnT-securityandtrust.lu, University of Luxembourg, Luxembourg","institution_ids":["https://openalex.org/I186903577"]},{"raw_affiliation_string":"SnT (Ssecurityandtrust.lu), Univ. of Luxembourg, Luxembourg, Luxembourg","institution_ids":["https://openalex.org/I186903577"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5016154330"],"corresponding_institution_ids":["https://openalex.org/I186903577"],"apc_list":null,"apc_paid":null,"fwci":0.3214,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.57137915,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"54","issue":null,"first_page":"293","last_page":"297"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":0.9998000264167786,"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"}},"topics":[{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":0.9998000264167786,"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/T10579","display_name":"Cognitive Radio Networks and Spectrum Sensing","score":0.9995999932289124,"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/T12879","display_name":"Distributed Sensor Networks and Detection Algorithms","score":0.996999979019165,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.7480530738830566},{"id":"https://openalex.org/keywords/cognitive-radio","display_name":"Cognitive radio","score":0.6991465091705322},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6589314341545105},{"id":"https://openalex.org/keywords/focus","display_name":"Focus (optics)","score":0.5372076034545898},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.513011634349823},{"id":"https://openalex.org/keywords/cognition","display_name":"Cognition","score":0.48814067244529724},{"id":"https://openalex.org/keywords/communications-system","display_name":"Communications system","score":0.47361230850219727},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.4312613606452942},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.4124874174594879},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3382141590118408},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.2570040822029114},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.16599881649017334},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.10828191041946411},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.07274192571640015}],"concepts":[{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.7480530738830566},{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.6991465091705322},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6589314341545105},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.5372076034545898},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.513011634349823},{"id":"https://openalex.org/C169900460","wikidata":"https://www.wikidata.org/wiki/Q2200417","display_name":"Cognition","level":2,"score":0.48814067244529724},{"id":"https://openalex.org/C101765175","wikidata":"https://www.wikidata.org/wiki/Q577764","display_name":"Communications system","level":2,"score":0.47361230850219727},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.4312613606452942},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.4124874174594879},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3382141590118408},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.2570040822029114},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.16599881649017334},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.10828191041946411},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.07274192571640015},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","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},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0},{"id":"https://openalex.org/C169760540","wikidata":"https://www.wikidata.org/wiki/Q207011","display_name":"Neuroscience","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/chinasip.2013.6625347","is_oa":false,"landing_page_url":"https://doi.org/10.1109/chinasip.2013.6625347","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 IEEE China Summit and International Conference on Signal and Information Processing","raw_type":"proceedings-article"},{"id":"pmh:oai:orbilu.uni.lu:10993/6669","is_oa":true,"landing_page_url":"http://orbilu.uni.lu/handle/10993/6669","pdf_url":null,"source":{"id":"https://openalex.org/S4306401815","display_name":"Open Repository and Bibliography (University of Luxembourg)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I186903577","host_organization_name":"University of Luxembourg","host_organization_lineage":["https://openalex.org/I186903577"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Proceedings of IEEE China Summit and International Conference on Signal and Information Processing (ChinaSIP) 2013.  (2013).","raw_type":null}],"best_oa_location":{"id":"pmh:oai:orbilu.uni.lu:10993/6669","is_oa":true,"landing_page_url":"http://orbilu.uni.lu/handle/10993/6669","pdf_url":null,"source":{"id":"https://openalex.org/S4306401815","display_name":"Open Repository and Bibliography (University of Luxembourg)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I186903577","host_organization_name":"University of Luxembourg","host_organization_lineage":["https://openalex.org/I186903577"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Proceedings of IEEE China Summit and International Conference on Signal and Information Processing (ChinaSIP) 2013.  (2013).","raw_type":null},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":35,"referenced_works":["https://openalex.org/W47330186","https://openalex.org/W615589970","https://openalex.org/W1969081721","https://openalex.org/W2001339765","https://openalex.org/W2011866283","https://openalex.org/W2025725276","https://openalex.org/W2055039038","https://openalex.org/W2066206974","https://openalex.org/W2072184935","https://openalex.org/W2096127572","https://openalex.org/W2098971218","https://openalex.org/W2101840010","https://openalex.org/W2106549261","https://openalex.org/W2112844087","https://openalex.org/W2113900577","https://openalex.org/W2116576214","https://openalex.org/W2122274174","https://openalex.org/W2122994106","https://openalex.org/W2123324551","https://openalex.org/W2127593435","https://openalex.org/W2135625887","https://openalex.org/W2136816673","https://openalex.org/W2137860976","https://openalex.org/W2151937511","https://openalex.org/W2157801457","https://openalex.org/W2163930010","https://openalex.org/W2165124855","https://openalex.org/W2167357515","https://openalex.org/W2168095411","https://openalex.org/W2168448439","https://openalex.org/W2171681635","https://openalex.org/W2172139273","https://openalex.org/W2964255670","https://openalex.org/W3103256481","https://openalex.org/W3105746324"],"related_works":["https://openalex.org/W2559261346","https://openalex.org/W4280609833","https://openalex.org/W4235820682","https://openalex.org/W185479762","https://openalex.org/W2136943174","https://openalex.org/W1973979964","https://openalex.org/W4246064491","https://openalex.org/W1968709058","https://openalex.org/W2298116686","https://openalex.org/W4362564284"],"abstract_inverted_index":{"Cognitive":[0],"communications":[1,21],"has":[2],"attracted":[3],"a":[4,34],"large":[5],"interest":[6],"during":[7],"the":[8,23,31,61,82,89,94],"last":[9],"decade":[10],"due":[11],"to":[12,25,77],"spectrum":[13],"scarcity.":[14],"In":[15,39,60,88],"combination":[16],"with":[17],"multiantenna":[18],"techniques,":[19],"cognitive":[20,47],"have":[22],"ability":[24],"increase":[26],"spectral":[27],"efficiency":[28],"by":[29,106],"enabling":[30],"coexistence":[32],"of":[33,97],"primary":[35,83],"and":[36,54],"secondary":[37],"systems.":[38],"this":[40,113],"paper,":[41],"we":[42,64,92],"focus":[43],"in":[44,75,112],"two":[45],"specific":[46],"approaches:":[48],"a)":[49],"Multiantenna":[50,56],"Interference":[51],"Alignment":[52],"(IA)":[53],"b)":[55],"Spectrum":[57],"Sensing":[58],"(SS).":[59],"first":[62],"case,":[63,91],"investigate":[65],"how":[66],"IA":[67],"over":[68],"multiple":[69],"spatial":[70],"dimensions":[71],"can":[72],"be":[73],"exploited":[74],"order":[76],"lower":[78],"harmful":[79],"interference":[80],"towards":[81],"system":[84],"into":[85],"acceptable":[86],"levels.":[87],"second":[90],"compare":[93],"sensing":[95],"performance":[96],"different":[98],"eigenvalue-based":[99],"blind":[100],"SS":[101],"techniques.":[102],"This":[103],"paper":[104],"concludes":[105],"presenting":[107],"some":[108],"interesting":[109],"open":[110],"problems":[111],"area.":[114]},"counts_by_year":[{"year":2014,"cited_by_count":1}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}