{"id":"https://openalex.org/W4293660813","doi":"https://doi.org/10.3390/s22176466","title":"Spectral Efficiency Optimization of Uplink Millimeter Wave MIMO-NOMA Systems","display_name":"Spectral Efficiency Optimization of Uplink Millimeter Wave MIMO-NOMA Systems","publication_year":2022,"publication_date":"2022-08-27","ids":{"openalex":"https://openalex.org/W4293660813","doi":"https://doi.org/10.3390/s22176466","pmid":"https://pubmed.ncbi.nlm.nih.gov/36080925"},"language":"en","primary_location":{"id":"doi:10.3390/s22176466","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s22176466","pdf_url":"https://www.mdpi.com/1424-8220/22/17/6466/pdf?version=1662012756","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1424-8220/22/17/6466/pdf?version=1662012756","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5049706639","display_name":"Yinhao Zhang","orcid":null},"institutions":[{"id":"https://openalex.org/I139660479","display_name":"Central South University","ror":"https://ror.org/00f1zfq44","country_code":"CN","type":"education","lineage":["https://openalex.org/I139660479"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yinhao Zhang","raw_affiliation_strings":["School of Physics and Electronics, Central South University, Changsha 410083, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Physics and Electronics, Central South University, Changsha 410083, China","institution_ids":["https://openalex.org/I139660479"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101044824","display_name":"Honggui Deng","orcid":"https://orcid.org/0000-0002-7338-7395"},"institutions":[{"id":"https://openalex.org/I139660479","display_name":"Central South University","ror":"https://ror.org/00f1zfq44","country_code":"CN","type":"education","lineage":["https://openalex.org/I139660479"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Honggui Deng","raw_affiliation_strings":["School of Physics and Electronics, Central South University, Changsha 410083, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Physics and Electronics, Central South University, Changsha 410083, China","institution_ids":["https://openalex.org/I139660479"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100626706","display_name":"Jun He","orcid":"https://orcid.org/0009-0001-7384-3418"},"institutions":[{"id":"https://openalex.org/I139660479","display_name":"Central South University","ror":"https://ror.org/00f1zfq44","country_code":"CN","type":"education","lineage":["https://openalex.org/I139660479"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jun He","raw_affiliation_strings":["School of Physics and Electronics, Central South University, Changsha 410083, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Physics and Electronics, Central South University, Changsha 410083, China","institution_ids":["https://openalex.org/I139660479"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067668433","display_name":"Zaoxing Zhu","orcid":"https://orcid.org/0000-0003-4239-3749"},"institutions":[{"id":"https://openalex.org/I139660479","display_name":"Central South University","ror":"https://ror.org/00f1zfq44","country_code":"CN","type":"education","lineage":["https://openalex.org/I139660479"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zaoxing Zhu","raw_affiliation_strings":["School of Physics and Electronics, Central South University, Changsha 410083, China"],"raw_orcid":"https://orcid.org/0000-0003-4239-3749","affiliations":[{"raw_affiliation_string":"School of Physics and Electronics, Central South University, Changsha 410083, China","institution_ids":["https://openalex.org/I139660479"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010278474","display_name":"Chengzuo Peng","orcid":"https://orcid.org/0009-0001-7072-9302"},"institutions":[{"id":"https://openalex.org/I139660479","display_name":"Central South University","ror":"https://ror.org/00f1zfq44","country_code":"CN","type":"education","lineage":["https://openalex.org/I139660479"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chengzuo Peng","raw_affiliation_strings":["School of Physics and Electronics, Central South University, Changsha 410083, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Physics and Electronics, Central South University, Changsha 410083, China","institution_ids":["https://openalex.org/I139660479"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5076987266","display_name":"Haoqi Xiao","orcid":null},"institutions":[{"id":"https://openalex.org/I139660479","display_name":"Central South University","ror":"https://ror.org/00f1zfq44","country_code":"CN","type":"education","lineage":["https://openalex.org/I139660479"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haoqi Xiao","raw_affiliation_strings":["School of Physics and Electronics, Central South University, Changsha 410083, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Physics and Electronics, Central South University, Changsha 410083, China","institution_ids":["https://openalex.org/I139660479"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5101044824"],"corresponding_institution_ids":["https://openalex.org/I139660479"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":0.3694,"has_fulltext":true,"cited_by_count":4,"citation_normalized_percentile":{"value":0.5750137,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":96},"biblio":{"volume":"22","issue":"17","first_page":"6466","last_page":"6466"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","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/T11458","display_name":"Advanced Wireless Communication Technologies","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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9977999925613403,"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":0.9957000017166138,"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/telecommunications-link","display_name":"Telecommunications link","score":0.7300435304641724},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.7172797918319702},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6414664387702942},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6337779760360718},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.574558436870575},{"id":"https://openalex.org/keywords/noma","display_name":"Noma","score":0.5309118032455444},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.49569594860076904},{"id":"https://openalex.org/keywords/wsdma","display_name":"WSDMA","score":0.4938279092311859},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4436948299407959},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.44070690870285034},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.435128778219223},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3805570602416992},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3384784758090973},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.24189838767051697},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.23728123307228088},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.21514922380447388},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.14791709184646606}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.7300435304641724},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.7172797918319702},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6414664387702942},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6337779760360718},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.574558436870575},{"id":"https://openalex.org/C2775918612","wikidata":"https://www.wikidata.org/wiki/Q994794","display_name":"Noma","level":3,"score":0.5309118032455444},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.49569594860076904},{"id":"https://openalex.org/C57466844","wikidata":"https://www.wikidata.org/wiki/Q7955559","display_name":"WSDMA","level":5,"score":0.4938279092311859},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4436948299407959},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.44070690870285034},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.435128778219223},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3805570602416992},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3384784758090973},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.24189838767051697},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.23728123307228088},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.21514922380447388},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.14791709184646606},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.3390/s22176466","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s22176466","pdf_url":"https://www.mdpi.com/1424-8220/22/17/6466/pdf?version=1662012756","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},{"id":"pmid:36080925","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/36080925","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors (Basel, Switzerland)","raw_type":null},{"id":"pmh:oai:doaj.org/article:fdf1672c53224a5b8742f625de74640c","is_oa":true,"landing_page_url":"https://doaj.org/article/fdf1672c53224a5b8742f625de74640c","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","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-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors, Vol 22, Iss 17, p 6466 (2022)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/1424-8220/22/17/6466/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/s22176466","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"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":"Sensors; Volume 22; Issue 17; Pages: 6466","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:9460619","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/9460619","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"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":"Sensors (Basel)","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/s22176466","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s22176466","pdf_url":"https://www.mdpi.com/1424-8220/22/17/6466/pdf?version=1662012756","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.7200000286102295}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321514","display_name":"Central South University","ror":"https://ror.org/00f1zfq44"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4293660813.pdf","grobid_xml":"https://content.openalex.org/works/W4293660813.grobid-xml"},"referenced_works_count":26,"referenced_works":["https://openalex.org/W2522847968","https://openalex.org/W2613466785","https://openalex.org/W2788350651","https://openalex.org/W2803885720","https://openalex.org/W2890609471","https://openalex.org/W2963385511","https://openalex.org/W2963634826","https://openalex.org/W2963698325","https://openalex.org/W2965716521","https://openalex.org/W2987317568","https://openalex.org/W2997001628","https://openalex.org/W2998479511","https://openalex.org/W3046331425","https://openalex.org/W3101450547","https://openalex.org/W3127756982","https://openalex.org/W3156896764","https://openalex.org/W3176183526","https://openalex.org/W3196071763","https://openalex.org/W3196600164","https://openalex.org/W3198520340","https://openalex.org/W3206694169","https://openalex.org/W4211013872","https://openalex.org/W4212813195","https://openalex.org/W4214659824","https://openalex.org/W6784742193","https://openalex.org/W6809403841"],"related_works":["https://openalex.org/W3165611029","https://openalex.org/W2370038111","https://openalex.org/W2950413682","https://openalex.org/W2780252087","https://openalex.org/W2890273742","https://openalex.org/W2121063273","https://openalex.org/W2337309234","https://openalex.org/W2130902301","https://openalex.org/W2293822216","https://openalex.org/W1981344466"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3,27],"considered":[4],"uplink":[5],"communication,":[6],"focusing":[7],"on":[8,44,58],"the":[9,45,51,59,64,79,89,103],"improvement":[10],"of":[11],"spectral":[12],"efficiency":[13],"(SE)":[14],"for":[15],"millimeter":[16],"wave":[17],"(mmWave)":[18],"multiple-input":[19],"multiple-output":[20],"non-orthogonal":[21],"multiple":[22],"access":[23],"(MIMO-NOMA)":[24],"systems.":[25],"Firstly,":[26],"proposed":[28,113],"an":[29],"adaptive":[30],"cluster":[31,47],"head":[32],"selection":[33],"algorithm.":[34],"Then,":[35],"a":[36,71,75,117],"channel-aligned":[37],"analog":[38],"beamforming":[39,96],"scheme":[40,114],"was":[41,55,68,98],"designed":[42,56],"based":[43,57],"selected":[46],"heads.":[48],"After":[49],"that,":[50],"user":[52,91],"grouping":[53],"algorithm":[54],"user-equivalent":[60],"channel":[61],"correlation.":[62],"Subsequently,":[63],"power":[65,92,104],"allocation":[66,93],"problem":[67,73],"transformed":[69],"from":[70],"nonconvex":[72],"to":[74],"convex":[76],"one":[77],"using":[78],"quadratic":[80],"transformation":[81],"(QT)":[82],"method":[83],"considering":[84],"all":[85],"relevant":[86],"constraints.":[87],"Finally,":[88],"optimal":[90],"and":[94,105],"digital":[95,106],"design":[97],"obtained":[99],"by":[100],"iteratively":[101],"optimizing":[102],"beamforming.":[107],"Simulation":[108],"results":[109],"show":[110],"that":[111],"our":[112],"can":[115],"achieve":[116],"higher":[118],"SE":[119],"than":[120],"existing":[121],"methods.":[122]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2023,"cited_by_count":2}],"updated_date":"2026-05-06T08:25:59.206177","created_date":"2025-10-10T00:00:00"}