{"id":"https://openalex.org/W3037840590","doi":"https://doi.org/10.1109/wcncw48565.2020.9124904","title":"Direct Beamformer Estimation for Hybrid Architecture in mmWave Dynamic TDD System","display_name":"Direct Beamformer Estimation for Hybrid Architecture in mmWave Dynamic TDD System","publication_year":2020,"publication_date":"2020-04-01","ids":{"openalex":"https://openalex.org/W3037840590","doi":"https://doi.org/10.1109/wcncw48565.2020.9124904","mag":"3037840590"},"language":"en","primary_location":{"id":"doi:10.1109/wcncw48565.2020.9124904","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcncw48565.2020.9124904","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 IEEE Wireless Communications and Networking Conference Workshops (WCNCW)","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/A5113909185","display_name":"Prashant Kumar Shah","orcid":null},"institutions":[{"id":"https://openalex.org/I98381234","display_name":"University of Oulu","ror":"https://ror.org/03yj89h83","country_code":"FI","type":"education","lineage":["https://openalex.org/I98381234"]}],"countries":["FI"],"is_corresponding":true,"raw_author_name":"Prashant Kumar Shah","raw_affiliation_strings":["Centre for Wireless Communications, University of Oulu, Finland"],"affiliations":[{"raw_affiliation_string":"Centre for Wireless Communications, University of Oulu, Finland","institution_ids":["https://openalex.org/I98381234"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109342274","display_name":"Krishna Joshi","orcid":null},"institutions":[{"id":"https://openalex.org/I98381234","display_name":"University of Oulu","ror":"https://ror.org/03yj89h83","country_code":"FI","type":"education","lineage":["https://openalex.org/I98381234"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Krishna Joshi","raw_affiliation_strings":["Centre for Wireless Communications, University of Oulu, Finland"],"affiliations":[{"raw_affiliation_string":"Centre for Wireless Communications, University of Oulu, Finland","institution_ids":["https://openalex.org/I98381234"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088059671","display_name":"S. Joshi","orcid":"https://orcid.org/0000-0001-8896-4469"},"institutions":[{"id":"https://openalex.org/I98381234","display_name":"University of Oulu","ror":"https://ror.org/03yj89h83","country_code":"FI","type":"education","lineage":["https://openalex.org/I98381234"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Satya Joshi","raw_affiliation_strings":["Centre for Wireless Communications, University of Oulu, Finland"],"affiliations":[{"raw_affiliation_string":"Centre for Wireless Communications, University of Oulu, Finland","institution_ids":["https://openalex.org/I98381234"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039827493","display_name":"Antti T\u00f6lli","orcid":"https://orcid.org/0000-0001-6219-9770"},"institutions":[{"id":"https://openalex.org/I98381234","display_name":"University of Oulu","ror":"https://ror.org/03yj89h83","country_code":"FI","type":"education","lineage":["https://openalex.org/I98381234"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Antti Tolli","raw_affiliation_strings":["Centre for Wireless Communications, University of Oulu, Finland"],"affiliations":[{"raw_affiliation_string":"Centre for Wireless Communications, University of Oulu, Finland","institution_ids":["https://openalex.org/I98381234"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5076133663","display_name":"Kenta Umebayashi","orcid":"https://orcid.org/0000-0002-4669-7187"},"institutions":[{"id":"https://openalex.org/I92614990","display_name":"Tokyo University of Agriculture and Technology","ror":"https://ror.org/00qg0kr10","country_code":"JP","type":"education","lineage":["https://openalex.org/I92614990"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kenta Umebayashi","raw_affiliation_strings":["Dept. of Electrical and Electronic Engineering, Tokyo University of Agriculture and Technology, Japan"],"affiliations":[{"raw_affiliation_string":"Dept. of Electrical and Electronic Engineering, Tokyo University of Agriculture and Technology, Japan","institution_ids":["https://openalex.org/I92614990"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5113909185"],"corresponding_institution_ids":["https://openalex.org/I98381234"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.05542251,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"10","issue":null,"first_page":"1","last_page":"6"},"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":0.9995999932289124,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9991000294685364,"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/beamforming","display_name":"Beamforming","score":0.7377316951751709},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.724830150604248},{"id":"https://openalex.org/keywords/main-lobe","display_name":"Main lobe","score":0.5843110084533691},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.5357469916343689},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4566591680049896},{"id":"https://openalex.org/keywords/maximization","display_name":"Maximization","score":0.4539298117160797},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.45091894268989563},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2140500843524933},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.15765425562858582},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.129279226064682},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.09011882543563843}],"concepts":[{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.7377316951751709},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.724830150604248},{"id":"https://openalex.org/C166923610","wikidata":"https://www.wikidata.org/wiki/Q6673925","display_name":"Main lobe","level":3,"score":0.5843110084533691},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.5357469916343689},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4566591680049896},{"id":"https://openalex.org/C2776330181","wikidata":"https://www.wikidata.org/wiki/Q18358244","display_name":"Maximization","level":2,"score":0.4539298117160797},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.45091894268989563},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2140500843524933},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.15765425562858582},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.129279226064682},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.09011882543563843},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/wcncw48565.2020.9124904","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcncw48565.2020.9124904","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 IEEE Wireless Communications and Networking Conference Workshops (WCNCW)","raw_type":"proceedings-article"},{"id":"pmh:oai:oulu.fi:nbnfi-fe2020101684225","is_oa":false,"landing_page_url":"http://urn.fi/urn:nbn:fi-fe2020101684225","pdf_url":null,"source":{"id":"https://openalex.org/S4306400284","display_name":"University of Oulu Repository (University of Oulu)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I98381234","host_organization_name":"University of Oulu","host_organization_lineage":["https://openalex.org/I98381234"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.49000000953674316,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W1579705205","https://openalex.org/W1601069311","https://openalex.org/W1997834106","https://openalex.org/W2041287972","https://openalex.org/W2116334496","https://openalex.org/W2151286403","https://openalex.org/W2152507830","https://openalex.org/W2159215084","https://openalex.org/W2163762663","https://openalex.org/W2169837091","https://openalex.org/W2272804037","https://openalex.org/W2345176225","https://openalex.org/W2345417877","https://openalex.org/W2610232592","https://openalex.org/W2896439771","https://openalex.org/W2919065891","https://openalex.org/W2946285066","https://openalex.org/W2962785465","https://openalex.org/W2971202289","https://openalex.org/W3101675980","https://openalex.org/W4250589301"],"related_works":["https://openalex.org/W2963170046","https://openalex.org/W2376244802","https://openalex.org/W1971477554","https://openalex.org/W2158075901","https://openalex.org/W818226659","https://openalex.org/W2765218715","https://openalex.org/W1977676184","https://openalex.org/W4310584103","https://openalex.org/W2388472576","https://openalex.org/W2529562603"],"abstract_inverted_index":{"The":[0],"problem":[1],"of":[2,43,51,89,100,120],"weighted":[3,118],"sum-rate":[4,119],"maximization":[5],"for":[6,32,61,69],"hybrid":[7],"architecture":[8],"in":[9,73],"millimeter":[10],"wave":[11],"communications":[12],"with":[13],"dynamic":[14],"time":[15],"division":[16],"duplexing":[17],"is":[18,59,81,112],"considered.":[19],"We":[20,65],"propose":[21],"an":[22],"over":[23],"the":[24,33,38,97,116,121],"air":[25],"pilot-":[26],"aided":[27],"direct":[28],"beamforming":[29],"estimation":[30],"technique":[31],"considered":[34],"problem,":[35],"by":[36],"exploiting":[37],"channel":[39],"reciprocity.":[40],"Proper":[41],"selection":[42],"analog":[44,67,101],"precoder/combiner":[45,63,68],"not":[46],"only":[47],"suppresses":[48],"large":[49,87],"part":[50,88],"interference,":[52],"but":[53],"also":[54,85],"ensures":[55],"that":[56,77,92,109],"less":[57],"coordination":[58],"required":[60],"digital":[62,106],"design.":[64],"design":[66,105],"each":[70],"data":[71],"stream":[72],"such":[74,108],"a":[75],"way":[76],"its":[78],"signal":[79],"strength":[80],"maximized;":[82],"this":[83],"strategy":[84],"minimizes":[86],"inter-stream":[90,110],"interference":[91,111],"may":[93],"arise":[94],"due":[95],"to":[96],"main":[98],"lobe":[99],"beamformer.":[102],"Then":[103],"we":[104],"beamformer":[107],"further":[113],"mitigated,":[114],"maximizing":[115],"overall":[117],"network.":[122]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
