{"id":"https://openalex.org/W3215183111","doi":"https://doi.org/10.1109/lcomm.2021.3128969","title":"SLNR-Based Beamspace Precoding and Beam Selection for Wideband mmWave Massive MIMO","display_name":"SLNR-Based Beamspace Precoding and Beam Selection for Wideband mmWave Massive MIMO","publication_year":2021,"publication_date":"2021-11-17","ids":{"openalex":"https://openalex.org/W3215183111","doi":"https://doi.org/10.1109/lcomm.2021.3128969","mag":"3215183111"},"language":"en","primary_location":{"id":"doi:10.1109/lcomm.2021.3128969","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2021.3128969","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Communications Letters","raw_type":"journal-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/A5001849244","display_name":"Zhenqiao Cheng","orcid":"https://orcid.org/0000-0003-2598-3309"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhenqiao Cheng","raw_affiliation_strings":["School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0003-2598-3309","affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007494035","display_name":"Zaixue Wei","orcid":"https://orcid.org/0000-0002-7543-3906"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zaixue Wei","raw_affiliation_strings":["School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-7543-3906","affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100444608","display_name":"Hu Li","orcid":"https://orcid.org/0000-0002-7400-3509"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hu Li","raw_affiliation_strings":["School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5008494532","display_name":"Hongwen Yang","orcid":"https://orcid.org/0000-0002-7541-8474"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hongwen Yang","raw_affiliation_strings":["School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-7541-8474","affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I139759216"],"apc_list":null,"apc_paid":null,"fwci":0.8851,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.73780983,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":98},"biblio":{"volume":"26","issue":"2","first_page":"478","last_page":"482"},"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9997000098228455,"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/T10069","display_name":"Antenna Design and Analysis","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/precoding","display_name":"Precoding","score":0.9098319411277771},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.6744021773338318},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6673375964164734},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6268436312675476},{"id":"https://openalex.org/keywords/zero-forcing-precoding","display_name":"Zero-forcing precoding","score":0.6143271327018738},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.5471979975700378},{"id":"https://openalex.org/keywords/multi-user-mimo","display_name":"Multi-user MIMO","score":0.44766825437545776},{"id":"https://openalex.org/keywords/duplex","display_name":"Duplex (building)","score":0.44243958592414856},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.4231632947921753},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.39100074768066406},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3690030574798584},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.28091466426849365},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.26780015230178833},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1628313958644867}],"concepts":[{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.9098319411277771},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6744021773338318},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6673375964164734},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6268436312675476},{"id":"https://openalex.org/C155437304","wikidata":"https://www.wikidata.org/wiki/Q8069444","display_name":"Zero-forcing precoding","level":5,"score":0.6143271327018738},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5471979975700378},{"id":"https://openalex.org/C91330434","wikidata":"https://www.wikidata.org/wiki/Q738298","display_name":"Multi-user MIMO","level":4,"score":0.44766825437545776},{"id":"https://openalex.org/C99611785","wikidata":"https://www.wikidata.org/wiki/Q6453233","display_name":"Duplex (building)","level":3,"score":0.44243958592414856},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.4231632947921753},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.39100074768066406},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3690030574798584},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.28091466426849365},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.26780015230178833},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1628313958644867},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0},{"id":"https://openalex.org/C552990157","wikidata":"https://www.wikidata.org/wiki/Q7430","display_name":"DNA","level":2,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lcomm.2021.3128969","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2021.3128969","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.7599999904632568}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W391578156","https://openalex.org/W836396136","https://openalex.org/W2034996255","https://openalex.org/W2045840914","https://openalex.org/W2098841537","https://openalex.org/W2101216106","https://openalex.org/W2112300062","https://openalex.org/W2116334496","https://openalex.org/W2314562768","https://openalex.org/W2901068294","https://openalex.org/W2954557418","https://openalex.org/W2962785465","https://openalex.org/W2963576099","https://openalex.org/W2963933750","https://openalex.org/W2966084980","https://openalex.org/W2979924867","https://openalex.org/W2983783466","https://openalex.org/W3026623928","https://openalex.org/W3034448035","https://openalex.org/W4205293427","https://openalex.org/W6674632333"],"related_works":["https://openalex.org/W4311223068","https://openalex.org/W4210847162","https://openalex.org/W1987076955","https://openalex.org/W2596514898","https://openalex.org/W1981626200","https://openalex.org/W1995700194","https://openalex.org/W4309352931","https://openalex.org/W2289872978","https://openalex.org/W2047244900","https://openalex.org/W2070276510"],"abstract_inverted_index":{"Beamspace":[0],"multiple-input":[1],"multiple-output":[2],"(MIMO)":[3],"systems":[4],"leverage":[5],"the":[6,42,48,69,78,85,107,118],"lens":[7],"antenna":[8],"array":[9],"to":[10,40,67,104],"reduce":[11],"their":[12],"hardware":[13],"cost,":[14],"which":[15,91],"is":[16,65,87,102],"a":[17,29,56,60,113],"promising":[18],"technology":[19],"in":[20],"millimeter":[21],"wave":[22],"(mmWave)":[23],"frequency":[24,95],"bands.":[25],"This":[26],"letter":[27],"proposes":[28],"novel":[30],"signal-to-leakage-plus-noise":[31],"ratio":[32],"(SLNR)-based":[33],"beamspace":[34,49,63],"precoding":[35,97],"and":[36,98],"beam":[37,58,99],"selection":[38,100],"scheme":[39,120],"improve":[41,106],"downlink":[43],"sum":[44],"rate":[45],"(SR)":[46],"of":[47,84,117],"mmWave":[50],"massive":[51],"MIMO":[52],"channels.":[53],"First,":[54],"for":[55],"given":[57],"subset,":[59],"SLNR":[61],"maximization-based":[62],"precoder":[64],"designed":[66,103],"mitigate":[68],"inter-user":[70],"interference":[71],"caused":[72],"by":[73],"leakage":[74],"power,":[75],"thus":[76],"enhancing":[77],"SR.":[79,109],"Then,":[80],"an":[81,92],"approximated":[82],"expression":[83],"SR":[86,115],"formulated,":[88],"based":[89],"on":[90],"iterative":[93],"radio":[94],"(RF)":[96],"method":[101],"further":[105],"system":[108],"Numerical":[110],"results":[111],"demonstrate":[112],"superior":[114],"performance":[116],"proposed":[119],"over":[121],"state-of-the-art":[122],"methods.":[123]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}