{"id":"https://openalex.org/W2671933846","doi":"https://doi.org/10.1109/icassp.2017.7953408","title":"Hybrid beamforming design with finite-resolution phase-shifters for frequency selective massive MIMO channels","display_name":"Hybrid beamforming design with finite-resolution phase-shifters for frequency selective massive MIMO channels","publication_year":2017,"publication_date":"2017-03-01","ids":{"openalex":"https://openalex.org/W2671933846","doi":"https://doi.org/10.1109/icassp.2017.7953408","mag":"2671933846"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2017.7953408","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2017.7953408","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5027950595","display_name":"Daniel C. Ara\u00fajo","orcid":"https://orcid.org/0000-0002-9107-1300"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Daniel C. Araujo","raw_affiliation_strings":["Group of Wireless Communication Research (GTEL), Cear\u00e1, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Group of Wireless Communication Research (GTEL), Cear\u00e1, Brazil","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086655906","display_name":"Eleftherios Karipidis","orcid":"https://orcid.org/0000-0001-9838-0539"},"institutions":[{"id":"https://openalex.org/I1306339040","display_name":"Ericsson (Sweden)","ror":"https://ror.org/05a7rhx54","country_code":"SE","type":"company","lineage":["https://openalex.org/I1306339040"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Eleftherios Karipidis","raw_affiliation_strings":["Ericsson Research, Stockholm, Sweden"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ericsson Research, Stockholm, Sweden","institution_ids":["https://openalex.org/I1306339040"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051813339","display_name":"Andr\u00e9 L. F. de Almeida","orcid":"https://orcid.org/0000-0002-3149-6307"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Andre L. F. de Almeida","raw_affiliation_strings":["Group of Wireless Communication Research (GTEL), Cear\u00e1, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Group of Wireless Communication Research (GTEL), Cear\u00e1, Brazil","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103545326","display_name":"Jo\u00e3o C.M. Mota","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Joao C. M. Mota","raw_affiliation_strings":["Group of Wireless Communication Research (GTEL), Cear\u00e1, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Group of Wireless Communication Research (GTEL), Cear\u00e1, Brazil","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"6498","last_page":"6502"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9995999932289124,"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":0.9995999932289124,"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":0.9993000030517578,"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/T11946","display_name":"Antenna Design and Optimization","score":0.9986000061035156,"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/beamforming","display_name":"Beamforming","score":0.760957658290863},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.723466694355011},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.6793494820594788},{"id":"https://openalex.org/keywords/phase-shift-module","display_name":"Phase shift module","score":0.6629912257194519},{"id":"https://openalex.org/keywords/radio-frequency","display_name":"Radio frequency","score":0.6385982632637024},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5519503951072693},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.46698635816574097},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.4204555153846741},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.4170289635658264},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.3081204891204834},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.29642847180366516},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.29147398471832275}],"concepts":[{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.760957658290863},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.723466694355011},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.6793494820594788},{"id":"https://openalex.org/C103864889","wikidata":"https://www.wikidata.org/wiki/Q4480524","display_name":"Phase shift module","level":3,"score":0.6629912257194519},{"id":"https://openalex.org/C74064498","wikidata":"https://www.wikidata.org/wiki/Q3396184","display_name":"Radio frequency","level":2,"score":0.6385982632637024},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5519503951072693},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.46698635816574097},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.4204555153846741},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.4170289635658264},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3081204891204834},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.29642847180366516},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.29147398471832275},{"id":"https://openalex.org/C44838205","wikidata":"https://www.wikidata.org/wiki/Q127995","display_name":"Microwave","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp.2017.7953408","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2017.7953408","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.8600000143051147}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W595252221","https://openalex.org/W1740818759","https://openalex.org/W1764924767","https://openalex.org/W1838411890","https://openalex.org/W1978759841","https://openalex.org/W2029145150","https://openalex.org/W2085098436","https://openalex.org/W2171066806","https://openalex.org/W2520945906","https://openalex.org/W2538876428","https://openalex.org/W6637454596","https://openalex.org/W6638628813"],"related_works":["https://openalex.org/W2368851831","https://openalex.org/W2978186478","https://openalex.org/W4232953560","https://openalex.org/W2100867535","https://openalex.org/W2361450273","https://openalex.org/W1964195796","https://openalex.org/W2375092694","https://openalex.org/W1842853702","https://openalex.org/W3022393363","https://openalex.org/W4230078636"],"abstract_inverted_index":{"Massive":[0],"multiple-input":[1],"multiple-output":[2],"(MIMO)":[3],"theoretical":[4],"performance":[5,27,90,211],"results":[6,201],"have":[7],"attracted":[8],"the":[9,12,16,20,33,64,92,96,99,106,118,135,139,147,164,179,182,195,204,217],"attention":[10],"of":[11,18,35,66,76,91,98,120,138,150,174,181,216],"community":[13],"due":[14],"to":[15,32,133,145,162,178,193,214],"possibility":[17],"increasing":[19],"spectral":[21],"efficiency":[22],"in":[23,55,105,123],"wireless":[24],"communications.":[25],"The":[26,89,130,153,199],"potential":[28],"is":[29,132,156,187],"mainly":[30],"conditioned":[31],"use":[34,70],"digital":[36,87,154,197,218],"beamforming":[37,73,219],"techniques":[38],"which":[39,186],"demand":[40],"one":[41],"radio-frequency":[42],"(RF)":[43],"chain":[44],"per":[45],"antenna":[46],"element.":[47],"For":[48],"large":[49],"arrays,":[50],"this":[51,114],"implementation":[52],"may":[53],"result":[54],"high":[56],"complexity,":[57],"power":[58],"consumption,":[59],"and":[60,84,141],"cost.":[61],"To":[62],"reduce":[63],"number":[65,173],"RF":[67,175],"chains,":[68],"we":[69,116],"a":[71,85,142,172,209],"hybrid":[72],"(HB)":[74],"architecture":[75],"an":[77],"analog":[78,160],"beamformer":[79],"implemented":[80],"by":[81],"using":[82,127],"phase-shifters":[83],"low-dimensional":[86],"beamformer.":[88],"HB":[93,122],"depends":[94],"on":[95,159],"resolution":[97],"phase-shifters.":[100,112,129],"However,":[101],"very":[102,212],"few":[103],"works":[104],"literature":[107],"take":[108],"into":[109],"account":[110],"finite":[111],"In":[113],"paper,":[115],"address":[117],"problem":[119],"designing":[121],"frequency":[124],"selective":[125],"channels":[126],"finite-resolution":[128],"strategy":[131],"exploit":[134],"second-order":[136],"statistics":[137],"channel":[140],"least-square":[143],"formulation":[144],"obtain":[146],"discrete":[148],"phase":[149],"each":[151],"phase-shifter.":[152],"part":[155],"derived":[157],"based":[158],"solution":[161,170],"maximize":[163],"single-user":[165],"MIMO":[166],"system":[167],"sum-rate.":[168],"This":[169],"requires":[171],"chains":[176],"compared":[177],"rank":[180],"spatial":[183],"covariance":[184],"matrix":[185],"far":[188],"lower":[189],"than":[190],"ones":[191],"demanded":[192],"implement":[194],"full":[196],"beamforming.":[198],"simulation":[200],"show":[202],"that":[203,215],"proposed":[205],"technique":[206],"can":[207],"achieve":[208],"sum-rate":[210],"close":[213],"assuming":[220],"low-rank":[221],"channels.":[222]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}