{"id":"https://openalex.org/W4285295152","doi":"https://doi.org/10.1109/twc.2022.3183242","title":"Hybrid Multiuser Equalizer With Nonlinearity Compensation for Wideband mmWave Massive MIMO Uplink Systems","display_name":"Hybrid Multiuser Equalizer With Nonlinearity Compensation for Wideband mmWave Massive MIMO Uplink Systems","publication_year":2022,"publication_date":"2022-06-22","ids":{"openalex":"https://openalex.org/W4285295152","doi":"https://doi.org/10.1109/twc.2022.3183242"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2022.3183242","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2022.3183242","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Wireless Communications","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://hdl.handle.net/10773/39171","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5064067921","display_name":"Daniel Castanheira","orcid":"https://orcid.org/0000-0002-3858-2574"},"institutions":[{"id":"https://openalex.org/I4210120471","display_name":"Instituto de Telecomunica\u00e7\u00f5es","ror":"https://ror.org/02ht4fk33","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210120471"]}],"countries":["PT"],"is_corresponding":true,"raw_author_name":"Daniel Castanheira","raw_affiliation_strings":["Instituto de Telecomunicações (IT), DETI, University de Aveiro, Aveiro, Portugal"],"raw_orcid":"https://orcid.org/0000-0002-3858-2574","affiliations":[{"raw_affiliation_string":"Instituto de Telecomunicações (IT), DETI, University de Aveiro, Aveiro, Portugal","institution_ids":["https://openalex.org/I4210120471"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054386427","display_name":"Roberto Magueta","orcid":"https://orcid.org/0000-0001-6958-4129"},"institutions":[{"id":"https://openalex.org/I4210120471","display_name":"Instituto de Telecomunica\u00e7\u00f5es","ror":"https://ror.org/02ht4fk33","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210120471"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Roberto Magueta","raw_affiliation_strings":["Instituto de Telecomunicações (IT), DETI, University de Aveiro, Aveiro, Portugal"],"raw_orcid":"https://orcid.org/0000-0001-6958-4129","affiliations":[{"raw_affiliation_string":"Instituto de Telecomunicações (IT), DETI, University de Aveiro, Aveiro, Portugal","institution_ids":["https://openalex.org/I4210120471"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046650057","display_name":"P. Pedrosa","orcid":"https://orcid.org/0000-0002-1434-7174"},"institutions":[{"id":"https://openalex.org/I4210120471","display_name":"Instituto de Telecomunica\u00e7\u00f5es","ror":"https://ror.org/02ht4fk33","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210120471"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Pedro Pedrosa","raw_affiliation_strings":["Instituto de Telecomunicações (IT), DETI, University de Aveiro, Aveiro, Portugal"],"raw_orcid":"https://orcid.org/0000-0002-1434-7174","affiliations":[{"raw_affiliation_string":"Instituto de Telecomunicações (IT), DETI, University de Aveiro, Aveiro, Portugal","institution_ids":["https://openalex.org/I4210120471"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053488393","display_name":"Ad\u00e3o Silva","orcid":"https://orcid.org/0000-0002-7008-6773"},"institutions":[{"id":"https://openalex.org/I4210120471","display_name":"Instituto de Telecomunica\u00e7\u00f5es","ror":"https://ror.org/02ht4fk33","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210120471"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Adao Silva","raw_affiliation_strings":["Instituto de Telecomunicações (IT), DETI, University de Aveiro, Aveiro, Portugal"],"raw_orcid":"https://orcid.org/0000-0002-7008-6773","affiliations":[{"raw_affiliation_string":"Instituto de Telecomunicações (IT), DETI, University de Aveiro, Aveiro, Portugal","institution_ids":["https://openalex.org/I4210120471"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034724801","display_name":"Rui Dinis","orcid":"https://orcid.org/0000-0002-8520-7267"},"institutions":[{"id":"https://openalex.org/I83558840","display_name":"Universidade Nova de Lisboa","ror":"https://ror.org/02xankh89","country_code":"PT","type":"education","lineage":["https://openalex.org/I83558840"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Rui Dinis","raw_affiliation_strings":["Faculdade de Ciências e Tecnologia, Instituto de Telecomunicações (IT), Universidade Nova de Lisboa, Caparica, Portugal"],"raw_orcid":"https://orcid.org/0000-0002-8520-7267","affiliations":[{"raw_affiliation_string":"Faculdade de Ciências e Tecnologia, Instituto de Telecomunicações (IT), Universidade Nova de Lisboa, Caparica, Portugal","institution_ids":["https://openalex.org/I83558840"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5032526711","display_name":"At\u00edlio Gameiro","orcid":"https://orcid.org/0000-0003-1565-7921"},"institutions":[{"id":"https://openalex.org/I4210120471","display_name":"Instituto de Telecomunica\u00e7\u00f5es","ror":"https://ror.org/02ht4fk33","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210120471"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Atilio M. Gameiro","raw_affiliation_strings":["Instituto de Telecomunicações (IT), DETI, University de Aveiro, Aveiro, Portugal"],"raw_orcid":"https://orcid.org/0000-0003-1565-7921","affiliations":[{"raw_affiliation_string":"Instituto de Telecomunicações (IT), DETI, University de Aveiro, Aveiro, Portugal","institution_ids":["https://openalex.org/I4210120471"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5064067921"],"corresponding_institution_ids":["https://openalex.org/I4210120471"],"apc_list":null,"apc_paid":null,"fwci":0.9237,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.72924854,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":"21","issue":"12","first_page":"10286","last_page":"10299"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10936","display_name":"Millimeter-Wave Propagation and Modeling","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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","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/T10262","display_name":"Microwave Engineering and Waveguides","score":0.9998000264167786,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9983999729156494,"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/computer-science","display_name":"Computer science","score":0.7130926251411438},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.5949167013168335},{"id":"https://openalex.org/keywords/nonlinear-distortion","display_name":"Nonlinear distortion","score":0.5897887945175171},{"id":"https://openalex.org/keywords/wideband","display_name":"Wideband","score":0.5816261768341064},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.5346786975860596},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.5091564059257507},{"id":"https://openalex.org/keywords/subcarrier","display_name":"Subcarrier","score":0.4884604513645172},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.4122332036495209},{"id":"https://openalex.org/keywords/amplifier","display_name":"Amplifier","score":0.39203155040740967},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.3387012481689453},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.319820761680603},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.3068673610687256},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.20957016944885254},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1174217164516449}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7130926251411438},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.5949167013168335},{"id":"https://openalex.org/C173413354","wikidata":"https://www.wikidata.org/wiki/Q7049470","display_name":"Nonlinear distortion","level":4,"score":0.5897887945175171},{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.5816261768341064},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5346786975860596},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.5091564059257507},{"id":"https://openalex.org/C198329298","wikidata":"https://www.wikidata.org/wiki/Q586358","display_name":"Subcarrier","level":4,"score":0.4884604513645172},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.4122332036495209},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.39203155040740967},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.3387012481689453},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.319820761680603},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.3068673610687256},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.20957016944885254},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1174217164516449}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/twc.2022.3183242","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2022.3183242","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Wireless Communications","raw_type":"journal-article"},{"id":"pmh:oai:ria.ua.pt:10773/39171","is_oa":true,"landing_page_url":"http://hdl.handle.net/10773/39171","pdf_url":null,"source":{"id":"https://openalex.org/S4306402433","display_name":"Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"journal article"}],"best_oa_location":{"id":"pmh:oai:ria.ua.pt:10773/39171","is_oa":true,"landing_page_url":"http://hdl.handle.net/10773/39171","pdf_url":null,"source":{"id":"https://openalex.org/S4306402433","display_name":"Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"journal article"},"sustainable_development_goals":[{"score":0.8100000023841858,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[{"id":"https://openalex.org/G4551774506","display_name":null,"funder_award_id":"UIDB/50008/2020-UIDP/50008/2020","funder_id":"https://openalex.org/F4320334779","funder_display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia"},{"id":"https://openalex.org/G6509121587","display_name":null,"funder_award_id":"PTDC/EEI-TEL/30534/2017","funder_id":"https://openalex.org/F4320334779","funder_display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia"},{"id":"https://openalex.org/G8123463410","display_name":null,"funder_award_id":"PTDC/EEI-TEL/30588/2017","funder_id":"https://openalex.org/F4320334779","funder_display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia"}],"funders":[{"id":"https://openalex.org/F4320334779","display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","ror":"https://ror.org/00snfqn58"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":40,"referenced_works":["https://openalex.org/W1970110805","https://openalex.org/W2023535408","https://openalex.org/W2053521124","https://openalex.org/W2136679403","https://openalex.org/W2189661557","https://openalex.org/W2259391824","https://openalex.org/W2272804037","https://openalex.org/W2407842861","https://openalex.org/W2554860421","https://openalex.org/W2555591501","https://openalex.org/W2621748098","https://openalex.org/W2711267835","https://openalex.org/W2771579582","https://openalex.org/W2786764907","https://openalex.org/W2796342606","https://openalex.org/W2802025671","https://openalex.org/W2868026776","https://openalex.org/W2901068294","https://openalex.org/W2909794597","https://openalex.org/W2912513402","https://openalex.org/W2914313413","https://openalex.org/W2925324561","https://openalex.org/W2929383960","https://openalex.org/W2946789853","https://openalex.org/W2949649067","https://openalex.org/W2950896677","https://openalex.org/W2953489761","https://openalex.org/W2954069431","https://openalex.org/W2971034831","https://openalex.org/W2980498872","https://openalex.org/W2982606491","https://openalex.org/W2988443912","https://openalex.org/W2993935135","https://openalex.org/W2997703065","https://openalex.org/W3001570336","https://openalex.org/W3003050920","https://openalex.org/W3035629103","https://openalex.org/W3038128254","https://openalex.org/W3045934119","https://openalex.org/W6780516137"],"related_works":["https://openalex.org/W1501039677","https://openalex.org/W3161598161","https://openalex.org/W2306672848","https://openalex.org/W2128552819","https://openalex.org/W2166250390","https://openalex.org/W2055131418","https://openalex.org/W4291701075","https://openalex.org/W2007026331","https://openalex.org/W2031556334","https://openalex.org/W2021221053"],"abstract_inverted_index":{"The":[0,58,88,128,165],"use":[1],"of":[2,30,39,52,91,154,182],"efficient":[3,31,180],"high-power":[4],"amplifiers":[5],"(HPAs)":[6],"is":[7,38,60,95,131],"critical":[8],"for":[9,49],"future":[10],"millimeter-wave":[11],"(mmWave)":[12],"systems.":[13,57],"HPAs":[14],"can":[15],"become":[16],"highly":[17],"nonlinear":[18,35,158,166],"when":[19,160],"operated":[20],"near":[21],"saturation,":[22],"distorting":[23],"the":[24,28,50,65,75,80,84,92,106,111,117,126,138,143,155,183],"transmission":[25],"signal.":[26],"Therefore,":[27],"design":[29,135],"solutions":[32],"to":[33,62,104],"mitigate":[34,63],"distortion":[36],"(NLD)":[37],"paramount":[40],"importance.":[41],"This":[42],"article":[43],"proposes":[44],"a":[45,100,120,151,178],"hybrid":[46,93,157],"multiuser":[47,66],"equalizer":[48,59,94],"uplink":[51],"wideband":[53],"mmWave":[54],"massive":[55],"MIMO":[56],"designed":[61],"both":[64],"interference":[67,71],"(MUI)":[68],"and":[69,79,97,113,124,133,146],"inter-symbol":[70],"(ISI),":[72],"introduced":[73,82],"by":[74,83],"multiple":[76],"access":[77],"channel,":[78],"NLD,":[81],"user":[85],"terminals":[86],"HPA.":[87],"digital":[89,139],"part":[90,130,140],"iterative":[96,118],"computed":[98],"on":[99],"per":[101],"subcarrier":[102],"basis,":[103],"minimize":[105],"mean":[107],"squared":[108],"error":[109,174],"between":[110],"transmitted":[112],"detected":[114],"data.":[115],"In":[116],"processing,":[119],"feedback":[121],"loop":[122],"estimates":[123],"removes":[125,142],"distortion.":[127],"analog":[129],"frequency-flat":[132],"its":[134],"assumes":[136],"that":[137],"efficiently":[141],"MUI,":[144],"ISI":[145],"NLD.":[147],"Performance":[148],"results":[149],"show":[150],"huge":[152],"gain":[153],"proposed":[156],"equalizer,":[159],"compared":[161],"with":[162],"linear":[163],"ones.":[164],"effects":[167],"are":[168],"almost":[169],"completely":[170],"removed,":[171],"without":[172],"significant":[173],"propagation":[175],"effects,":[176],"allowing":[177],"more":[179],"operation":[181],"HPAs.":[184]},"counts_by_year":[{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}