{"id":"https://openalex.org/W4392797092","doi":"https://doi.org/10.1109/apcc60132.2023.10460732","title":"Weighted Sum Rate Optimization for Multi-User MIMO Cognitive Radio Systems","display_name":"Weighted Sum Rate Optimization for Multi-User MIMO Cognitive Radio Systems","publication_year":2023,"publication_date":"2023-11-19","ids":{"openalex":"https://openalex.org/W4392797092","doi":"https://doi.org/10.1109/apcc60132.2023.10460732"},"language":"en","primary_location":{"id":"doi:10.1109/apcc60132.2023.10460732","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/apcc60132.2023.10460732","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 28th Asia Pacific Conference on Communications (APCC)","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/A5102007341","display_name":"Yongquan Chen","orcid":"https://orcid.org/0000-0003-2493-6033"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yongquan Chen","raw_affiliation_strings":["Sun Yat-sen University,School of Electronics and Communication Engineering,Shenzhen,China,518107"],"affiliations":[{"raw_affiliation_string":"Sun Yat-sen University,School of Electronics and Communication Engineering,Shenzhen,China,518107","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064657549","display_name":"Yuan Jiang","orcid":"https://orcid.org/0000-0003-4307-0562"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuan Jiang","raw_affiliation_strings":["Sun Yat-sen University,School of Electronics and Communication Engineering,Shenzhen,China,518107"],"affiliations":[{"raw_affiliation_string":"Sun Yat-sen University,School of Electronics and Communication Engineering,Shenzhen,China,518107","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5070632044","display_name":"Lei Zhao","orcid":"https://orcid.org/0000-0002-0732-648X"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lei Zhao","raw_affiliation_strings":["Sun Yat-sen University,School of Electronics and Communication Engineering,Shenzhen,China,518107"],"affiliations":[{"raw_affiliation_string":"Sun Yat-sen University,School of Electronics and Communication Engineering,Shenzhen,China,518107","institution_ids":["https://openalex.org/I157773358"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5102007341"],"corresponding_institution_ids":["https://openalex.org/I157773358"],"apc_list":null,"apc_paid":null,"fwci":0.1337,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.49155378,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"18","last_page":"23"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","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/T10148","display_name":"Advanced MIMO Systems Optimization","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/T10575","display_name":"Wireless Communication Networks Research","score":0.9997000098228455,"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/T10579","display_name":"Cognitive Radio Networks and Spectrum Sensing","score":0.9997000098228455,"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/cognitive-radio","display_name":"Cognitive radio","score":0.7501826286315918},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6881256699562073},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6417995691299438},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2026670277118683},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.11537083983421326},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.10569754242897034}],"concepts":[{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.7501826286315918},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6881256699562073},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6417995691299438},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2026670277118683},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.11537083983421326},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.10569754242897034}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/apcc60132.2023.10460732","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/apcc60132.2023.10460732","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 28th Asia Pacific Conference on Communications (APCC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W1970830346","https://openalex.org/W1997834106","https://openalex.org/W2099111195","https://openalex.org/W2130509920","https://openalex.org/W2144000019","https://openalex.org/W2152359249","https://openalex.org/W2168078104","https://openalex.org/W2171879683","https://openalex.org/W2396020700","https://openalex.org/W2793831908","https://openalex.org/W2903744452","https://openalex.org/W2963918884","https://openalex.org/W3045209834","https://openalex.org/W3094619726","https://openalex.org/W3188476661","https://openalex.org/W3211257091","https://openalex.org/W4250589301","https://openalex.org/W4283816875","https://openalex.org/W4322576964"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2559261346","https://openalex.org/W4280609833","https://openalex.org/W2136943174","https://openalex.org/W1973979964","https://openalex.org/W4235820682","https://openalex.org/W185479762","https://openalex.org/W1968709058"],"abstract_inverted_index":{"This":[0],"paper":[1],"considers":[2],"a":[3,9,77,88],"MIMO":[4],"cognitive":[5],"radio":[6],"system,":[7],"where":[8],"secondary":[10,18],"base":[11],"station":[12],"(SBS)":[13],"transmits":[14],"signal":[15],"to":[16,24,47,95],"multiple":[17,25,57],"users":[19,27],"(SUs),":[20],"while":[21],"imposing":[22],"interference":[23,54],"primary":[26,31],"(PUs)":[28],"in":[29],"the":[30,37,44,48,61,68,73,97,105],"network.":[32],"We":[33,70],"aim":[34],"at":[35],"maximizing":[36],"weighted":[38,79],"sum":[39],"rate":[40],"(WSR)":[41],"of":[42,51,56],"all":[43,67],"SUs":[45],"subjected":[46],"power":[49],"constraint":[50],"SBS":[52],"and":[53,86],"constraints":[55],"PUs,":[58],"by":[59],"optimizing":[60],"linear":[62],"beamformers":[63],"matrices":[64],"associated":[65],"with":[66,113],"SUs.":[69],"first":[71],"reformulate":[72],"original":[74],"problem":[75],"into":[76],"convex":[78],"minimum":[80],"mean":[81],"square":[82],"error":[83],"(WMMSE)":[84],"problem,":[85],"then":[87],"modified":[89],"subgradient":[90],"method":[91],"(MSM)":[92],"is":[93],"proposed":[94,106],"solve":[96],"WMMSE":[98],"problem.":[99],"Simulation":[100],"results":[101],"also":[102],"show":[103],"that":[104],"MSM":[107],"algorithm":[108],"outperforms":[109],"other":[110],"existing":[111],"algorithms":[112],"lower":[114],"computational":[115],"complexity.":[116]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2025-12-25T23:11:45.687758","created_date":"2025-10-10T00:00:00"}
