{"id":"https://openalex.org/W2088133888","doi":"https://doi.org/10.1109/wcsp.2010.5633521","title":"Analysis and improvement of eigenvalue spectrum sensing in cognitive radio networks","display_name":"Analysis and improvement of eigenvalue spectrum sensing in cognitive radio networks","publication_year":2010,"publication_date":"2010-10-01","ids":{"openalex":"https://openalex.org/W2088133888","doi":"https://doi.org/10.1109/wcsp.2010.5633521","mag":"2088133888"},"language":"en","primary_location":{"id":"doi:10.1109/wcsp.2010.5633521","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcsp.2010.5633521","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2010 International Conference on Wireless Communications &amp; Signal Processing (WCSP)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5100628019","display_name":"Zhiwen Liu","orcid":"https://orcid.org/0000-0002-0743-4237"},"institutions":[{"id":"https://openalex.org/I4210130954","display_name":"China Institute Of Communications","ror":"https://ror.org/0395ve714","country_code":"CN","type":"other","lineage":["https://openalex.org/I4210130954"]},{"id":"https://openalex.org/I4210163363","display_name":"PLA Army Engineering University","ror":"https://ror.org/05mgp8x93","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210163363"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhiwen Liu","raw_affiliation_strings":["Institute of Communications Engineering, People''s Liberation Army University of Science and Technology, Nanjing, China","Institute of Communications Engineering PLAUST, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Communications Engineering, People''s Liberation Army University of Science and Technology, Nanjing, China","institution_ids":["https://openalex.org/I4210163363"]},{"raw_affiliation_string":"Institute of Communications Engineering PLAUST, Nanjing, China","institution_ids":["https://openalex.org/I4210130954","https://openalex.org/I4210163363"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100438460","display_name":"Hang Zhang","orcid":"https://orcid.org/0000-0002-6797-4948"},"institutions":[{"id":"https://openalex.org/I4210130954","display_name":"China Institute Of Communications","ror":"https://ror.org/0395ve714","country_code":"CN","type":"other","lineage":["https://openalex.org/I4210130954"]},{"id":"https://openalex.org/I4210163363","display_name":"PLA Army Engineering University","ror":"https://ror.org/05mgp8x93","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210163363"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hang Zhang","raw_affiliation_strings":["Institute of Communications Engineering, People''s Liberation Army University of Science and Technology, Nanjing, China","Institute of Communications Engineering PLAUST, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Communications Engineering, People''s Liberation Army University of Science and Technology, Nanjing, China","institution_ids":["https://openalex.org/I4210163363"]},{"raw_affiliation_string":"Institute of Communications Engineering PLAUST, Nanjing, China","institution_ids":["https://openalex.org/I4210130954","https://openalex.org/I4210163363"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100585147","display_name":"Shaofan Sun","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Shaofan Sun","raw_affiliation_strings":["Beijing Institute of Information Technology, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing Institute of Information Technology, Beijing, China","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102142150","display_name":"Zhu Desheng","orcid":null},"institutions":[{"id":"https://openalex.org/I4210130954","display_name":"China Institute Of Communications","ror":"https://ror.org/0395ve714","country_code":"CN","type":"other","lineage":["https://openalex.org/I4210130954"]},{"id":"https://openalex.org/I4210163363","display_name":"PLA Army Engineering University","ror":"https://ror.org/05mgp8x93","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210163363"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Desheng Zhu","raw_affiliation_strings":["Institute of Communications Engineering, People''s Liberation Army University of Science and Technology, Nanjing, China","Institute of Communications Engineering PLAUST, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Communications Engineering, People''s Liberation Army University of Science and Technology, Nanjing, China","institution_ids":["https://openalex.org/I4210163363"]},{"raw_affiliation_string":"Institute of Communications Engineering PLAUST, Nanjing, China","institution_ids":["https://openalex.org/I4210130954","https://openalex.org/I4210163363"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"2","issue":null,"first_page":"1","last_page":"5"},"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":0.9986000061035156,"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":0.9986000061035156,"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/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9977999925613403,"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":0.9976999759674072,"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/cognitive-radio","display_name":"Cognitive radio","score":0.9134857654571533},{"id":"https://openalex.org/keywords/eigenvalues-and-eigenvectors","display_name":"Eigenvalues and eigenvectors","score":0.7195824384689331},{"id":"https://openalex.org/keywords/spectrum","display_name":"Spectrum (functional analysis)","score":0.6390442848205566},{"id":"https://openalex.org/keywords/random-matrix","display_name":"Random matrix","score":0.6230125427246094},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5971791744232178},{"id":"https://openalex.org/keywords/detection-theory","display_name":"Detection theory","score":0.5279312133789062},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.5267640352249146},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.485967755317688},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.44933459162712097},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4445737302303314},{"id":"https://openalex.org/keywords/selection","display_name":"Selection (genetic algorithm)","score":0.44449859857559204},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.3208749294281006},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3034886419773102},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.28111064434051514},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.2208321988582611},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.19268396496772766},{"id":"https://openalex.org/keywords/detector","display_name":"Detector","score":0.12718045711517334},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.09587928652763367}],"concepts":[{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.9134857654571533},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.7195824384689331},{"id":"https://openalex.org/C156778621","wikidata":"https://www.wikidata.org/wiki/Q1365748","display_name":"Spectrum (functional analysis)","level":2,"score":0.6390442848205566},{"id":"https://openalex.org/C64812099","wikidata":"https://www.wikidata.org/wiki/Q176604","display_name":"Random matrix","level":3,"score":0.6230125427246094},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5971791744232178},{"id":"https://openalex.org/C137270730","wikidata":"https://www.wikidata.org/wiki/Q120811","display_name":"Detection theory","level":3,"score":0.5279312133789062},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.5267640352249146},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.485967755317688},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.44933459162712097},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4445737302303314},{"id":"https://openalex.org/C81917197","wikidata":"https://www.wikidata.org/wiki/Q628760","display_name":"Selection (genetic algorithm)","level":2,"score":0.44449859857559204},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.3208749294281006},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3034886419773102},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.28111064434051514},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.2208321988582611},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.19268396496772766},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.12718045711517334},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.09587928652763367},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"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/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/wcsp.2010.5633521","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcsp.2010.5633521","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2010 International Conference on Wireless Communications &amp; Signal Processing (WCSP)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","score":0.6600000262260437,"display_name":"Peace, Justice and strong institutions"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":61,"referenced_works":["https://openalex.org/W404920534","https://openalex.org/W1486439478","https://openalex.org/W1574783535","https://openalex.org/W1603997506","https://openalex.org/W1892092129","https://openalex.org/W1977119112","https://openalex.org/W1984050798","https://openalex.org/W1990859145","https://openalex.org/W1992865536","https://openalex.org/W2004231506","https://openalex.org/W2008271725","https://openalex.org/W2009585201","https://openalex.org/W2019230589","https://openalex.org/W2019601893","https://openalex.org/W2037491675","https://openalex.org/W2048291101","https://openalex.org/W2056211631","https://openalex.org/W2060581589","https://openalex.org/W2065760466","https://openalex.org/W2098441841","https://openalex.org/W2098971218","https://openalex.org/W2101466704","https://openalex.org/W2102754566","https://openalex.org/W2106084579","https://openalex.org/W2107067508","https://openalex.org/W2107430535","https://openalex.org/W2113076342","https://openalex.org/W2116472603","https://openalex.org/W2118293214","https://openalex.org/W2122197997","https://openalex.org/W2123359922","https://openalex.org/W2124483432","https://openalex.org/W2135974221","https://openalex.org/W2136118086","https://openalex.org/W2136816673","https://openalex.org/W2137085551","https://openalex.org/W2140681286","https://openalex.org/W2142110788","https://openalex.org/W2143303765","https://openalex.org/W2143877264","https://openalex.org/W2149446130","https://openalex.org/W2151959885","https://openalex.org/W2152078321","https://openalex.org/W2159928333","https://openalex.org/W2160595416","https://openalex.org/W2168078104","https://openalex.org/W2170524206","https://openalex.org/W2171294031","https://openalex.org/W2172139273","https://openalex.org/W3098548805","https://openalex.org/W3141333294","https://openalex.org/W6613828943","https://openalex.org/W6628993546","https://openalex.org/W6636032009","https://openalex.org/W6639364717","https://openalex.org/W6646191361","https://openalex.org/W6648570039","https://openalex.org/W6674755388","https://openalex.org/W6681013003","https://openalex.org/W7006660220","https://openalex.org/W7062655406"],"related_works":["https://openalex.org/W2559261346","https://openalex.org/W2775301649","https://openalex.org/W2048427509","https://openalex.org/W4233632157","https://openalex.org/W2330895226","https://openalex.org/W2994439156","https://openalex.org/W1972681291","https://openalex.org/W2384472869","https://openalex.org/W2548828344","https://openalex.org/W3140124938"],"abstract_inverted_index":{"In":[0],"order":[1],"to":[2,48,65],"improve":[3],"the":[4,29,32,38,50,68,72],"detection":[5,13,76],"probability":[6],"of":[7,28,74],"weak":[8],"signals,":[9],"a":[10],"new":[11],"eigenvalue-based":[12],"scheme":[14,57],"is":[15,35,63],"used":[16,47],"in":[17,37],"cognitive":[18],"radio":[19],"system":[20],"and":[21,31,46],"attracts":[22],"more":[23],"attention.":[24],"The":[25],"limited":[26],"distribution":[27],"largest":[30],"smallest":[33],"eigenvalues":[34],"studied":[36],"same":[39],"framework":[40],"based":[41,58],"on":[42,59],"Random":[43],"Matrix":[44],"Theory,":[45],"set":[49],"decision":[51],"thresholds":[52],"accordingly.":[53],"A":[54],"spectrum":[55],"sensing":[56],"receiver":[60],"nodes":[61],"selection":[62],"proposed":[64],"significantly":[66],"reduce":[67],"computational":[69],"complexity":[70],"with":[71],"expense":[73],"little":[75],"performance":[77],"loss.":[78]},"counts_by_year":[{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":2}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
