{"id":"https://openalex.org/W2887405666","doi":"https://doi.org/10.1109/icc.2018.8422453","title":"Weighted Sum Rate Maximization for Zero-Forcing Methods with General Linear Covariance Constraints","display_name":"Weighted Sum Rate Maximization for Zero-Forcing Methods with General Linear Covariance Constraints","publication_year":2018,"publication_date":"2018-05-01","ids":{"openalex":"https://openalex.org/W2887405666","doi":"https://doi.org/10.1109/icc.2018.8422453","mag":"2887405666"},"language":"en","primary_location":{"id":"doi:10.1109/icc.2018.8422453","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc.2018.8422453","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE International Conference on Communications (ICC)","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/A5057214016","display_name":"Thuy M. Pham","orcid":"https://orcid.org/0000-0002-2821-7442"},"institutions":[{"id":"https://openalex.org/I157286207","display_name":"National University of Ireland, Maynooth","ror":"https://ror.org/048nfjm95","country_code":"IE","type":"education","lineage":["https://openalex.org/I157286207"]}],"countries":["IE"],"is_corresponding":true,"raw_author_name":"Thuy M. Pham","raw_affiliation_strings":["Department of Electronic Engineering, Maynooth University, Ireland"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Maynooth University, Ireland","institution_ids":["https://openalex.org/I157286207"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041927134","display_name":"Ronan Farrell","orcid":"https://orcid.org/0000-0002-2507-794X"},"institutions":[{"id":"https://openalex.org/I157286207","display_name":"National University of Ireland, Maynooth","ror":"https://ror.org/048nfjm95","country_code":"IE","type":"education","lineage":["https://openalex.org/I157286207"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"Ronan Farrell","raw_affiliation_strings":["Department of Electronic Engineering, Maynooth University, Ireland"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Maynooth University, Ireland","institution_ids":["https://openalex.org/I157286207"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042709606","display_name":"Holger Clau\u00dfen","orcid":"https://orcid.org/0000-0003-2045-2082"},"institutions":[{"id":"https://openalex.org/I4210105201","display_name":"Nokia (Ireland)","ror":"https://ror.org/01dcaj468","country_code":"IE","type":"company","lineage":["https://openalex.org/I2738502077","https://openalex.org/I4210105201"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"Holger Claussen","raw_affiliation_strings":["Nokia Bell Labs, Ireland"],"affiliations":[{"raw_affiliation_string":"Nokia Bell Labs, Ireland","institution_ids":["https://openalex.org/I4210105201"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014330907","display_name":"Mark F. Flanagan","orcid":"https://orcid.org/0000-0001-6552-7020"},"institutions":[{"id":"https://openalex.org/I100930933","display_name":"University College Dublin","ror":"https://ror.org/05m7pjf47","country_code":"IE","type":"education","lineage":["https://openalex.org/I100930933"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"Mark F. Flanagan","raw_affiliation_strings":["School of Electrical and Electronic Engineering, University College Dublin, Ireland"],"affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, University College Dublin, Ireland","institution_ids":["https://openalex.org/I100930933"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5008843672","display_name":"Le\u2010Nam Tran","orcid":"https://orcid.org/0000-0002-9317-9980"},"institutions":[{"id":"https://openalex.org/I100930933","display_name":"University College Dublin","ror":"https://ror.org/05m7pjf47","country_code":"IE","type":"education","lineage":["https://openalex.org/I100930933"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"Le-Nam Tran","raw_affiliation_strings":["School of Electrical and Electronic Engineering, University College Dublin, Ireland"],"affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, University College Dublin, Ireland","institution_ids":["https://openalex.org/I100930933"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5057214016"],"corresponding_institution_ids":["https://openalex.org/I157286207"],"apc_list":null,"apc_paid":null,"fwci":0.1308,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.48565456,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9993000030517578,"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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9990000128746033,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/covariance","display_name":"Covariance","score":0.6568512916564941},{"id":"https://openalex.org/keywords/minimax","display_name":"Minimax","score":0.5915229916572571},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5853201150894165},{"id":"https://openalex.org/keywords/saddle-point","display_name":"Saddle point","score":0.5778848528862},{"id":"https://openalex.org/keywords/maximization","display_name":"Maximization","score":0.5660646557807922},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.5586159825325012},{"id":"https://openalex.org/keywords/forcing","display_name":"Forcing (mathematics)","score":0.4369739592075348},{"id":"https://openalex.org/keywords/gradient-descent","display_name":"Gradient descent","score":0.41588151454925537},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.369488388299942},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.29956185817718506},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.09656128287315369}],"concepts":[{"id":"https://openalex.org/C178650346","wikidata":"https://www.wikidata.org/wiki/Q201984","display_name":"Covariance","level":2,"score":0.6568512916564941},{"id":"https://openalex.org/C149728462","wikidata":"https://www.wikidata.org/wiki/Q751319","display_name":"Minimax","level":2,"score":0.5915229916572571},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5853201150894165},{"id":"https://openalex.org/C2681867","wikidata":"https://www.wikidata.org/wiki/Q690935","display_name":"Saddle point","level":2,"score":0.5778848528862},{"id":"https://openalex.org/C2776330181","wikidata":"https://www.wikidata.org/wiki/Q18358244","display_name":"Maximization","level":2,"score":0.5660646557807922},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.5586159825325012},{"id":"https://openalex.org/C197115733","wikidata":"https://www.wikidata.org/wiki/Q1003136","display_name":"Forcing (mathematics)","level":2,"score":0.4369739592075348},{"id":"https://openalex.org/C153258448","wikidata":"https://www.wikidata.org/wiki/Q1199743","display_name":"Gradient descent","level":3,"score":0.41588151454925537},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.369488388299942},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.29956185817718506},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.09656128287315369},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.0},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icc.2018.8422453","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc.2018.8422453","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE International Conference on Communications (ICC)","raw_type":"proceedings-article"},{"id":"pmh:oai:mural.maynoothuniversity.ie:12685","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4377196372","display_name":"MURAL - Maynooth University Research Archive Library (National University of Ireland, Maynooth)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I157286207","host_organization_name":"National University of Ireland, Maynooth","host_organization_lineage":["https://openalex.org/I157286207"],"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":"PeerReviewed"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320320847","display_name":"Science Foundation Ireland","ror":"https://ror.org/0271asj38"},{"id":"https://openalex.org/F4320335322","display_name":"European Regional Development Fund","ror":"https://ror.org/00k4n6c32"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W1969811075","https://openalex.org/W1999913571","https://openalex.org/W2019562862","https://openalex.org/W2021544398","https://openalex.org/W2023877378","https://openalex.org/W2024318675","https://openalex.org/W2030546921","https://openalex.org/W2047181446","https://openalex.org/W2098126478","https://openalex.org/W2101727634","https://openalex.org/W2112225694","https://openalex.org/W2115908423","https://openalex.org/W2123531758","https://openalex.org/W2129562390","https://openalex.org/W2146761479","https://openalex.org/W2153339777","https://openalex.org/W2180180824","https://openalex.org/W2296319761","https://openalex.org/W2346131320","https://openalex.org/W2536620281","https://openalex.org/W2595209175","https://openalex.org/W2798909945","https://openalex.org/W2963210322","https://openalex.org/W2963908397","https://openalex.org/W3111166378","https://openalex.org/W4250589301","https://openalex.org/W6655055378","https://openalex.org/W6677441878"],"related_works":["https://openalex.org/W2016058626","https://openalex.org/W2474724840","https://openalex.org/W2963760573","https://openalex.org/W185788778","https://openalex.org/W2895916002","https://openalex.org/W1814049089","https://openalex.org/W1977348009","https://openalex.org/W2369683208","https://openalex.org/W1601883103","https://openalex.org/W2978731891"],"abstract_inverted_index":{"In":[0],"this":[1,107,121],"paper,":[2],"an":[3,117,128],"efficient":[4,118],"approach":[5],"for":[6,12,32,38,90,146],"weighted":[7],"sum":[8,39],"rate":[9],"maximization":[10],"(WSRMax)":[11],"zero-forcing":[13,74],"(ZF)":[14,75],"methods":[15,92],"with":[16,93,103,182],"general":[17,60,67],"linear":[18,79],"transmit":[19],"covariance":[20],"constraints":[21,55],"(LTCCs)":[22],"is":[23,76,144,170],"proposed.":[24],"This":[25],"problem":[26,87,131],"has":[27],"been":[28],"extensively":[29],"studied":[30,96],"separately":[31],"some":[33,48],"special":[34],"cases":[35],"such":[36],"as":[37,127],"power":[40,43,54],"or":[41],"per-antenna":[42],"constraint":[44],"(PAPC).":[45],"Due":[46],"to":[47,82,112,120,157,173],"practical":[49],"and":[50,154,177],"regulatory":[51],"requirements,":[52],"these":[53],"alone":[56],"are":[57],"not":[58],"in":[59,138],"sufficient,":[61],"which":[62],"motivates":[63],"the":[64,70,73,164,183],"consideration":[65],"of":[66,88,163,185],"LTCCs.":[68],"On":[69],"other":[71],"hand,":[72],"a":[77,99,160],"simple":[78],"precoding":[80],"technique":[81],"mitigate":[83],"inter-user":[84],"interference.":[85],"The":[86,135,167],"WSRMax":[89],"ZF":[91,147],"LTCCs":[94],"was":[95,109],"previously":[97],"using":[98,132],"gradient":[100],"descent":[101],"algorithm":[102],"barrier":[104],"functions,":[105],"but":[106,143],"method":[108,169],"also":[110],"shown":[111,172],"converge":[113,174],"slowly.":[114],"To":[115],"derive":[116],"solution":[119],"problem,":[122],"we":[123],"first":[124],"reformulate":[125],"it":[126],"equivalent":[129],"minimax":[130,165],"Lagrangian":[133],"duality.":[134],"obtained":[136],"result":[137],"fact":[139],"resembles":[140],"BC-MAC":[141],"duality":[142],"specialized":[145],"methods.":[148],"We":[149],"then":[150],"combine":[151],"alternating":[152],"optimization":[153],"concave-convex":[155],"procedure":[156],"efficiently":[158],"compute":[159],"saddle":[161],"point":[162],"problem.":[166],"proposed":[168],"numerically":[171],"very":[175],"fast":[176],"its":[178],"complexity":[179],"scales":[180],"linearly":[181],"number":[184],"users.":[186]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}
