{"id":"https://openalex.org/W3039770989","doi":"https://doi.org/10.1109/vtc2020-spring48590.2020.9129155","title":"Subchannel Gain Product based Frequency Selective Hybrid Beamforming with Limited Feedback","display_name":"Subchannel Gain Product based Frequency Selective Hybrid Beamforming with Limited Feedback","publication_year":2020,"publication_date":"2020-05-01","ids":{"openalex":"https://openalex.org/W3039770989","doi":"https://doi.org/10.1109/vtc2020-spring48590.2020.9129155","mag":"3039770989"},"language":"en","primary_location":{"id":"doi:10.1109/vtc2020-spring48590.2020.9129155","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtc2020-spring48590.2020.9129155","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 IEEE 91st Vehicular Technology Conference (VTC2020-Spring)","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/A5056303708","display_name":"Hyunwoo Nam","orcid":"https://orcid.org/0000-0002-9852-8449"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Hyunwoo Nam","raw_affiliation_strings":["School of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027731462","display_name":"Girim Kwon","orcid":"https://orcid.org/0000-0003-2692-8600"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Girim Kwon","raw_affiliation_strings":["School of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003720683","display_name":"Namshik Kim","orcid":null},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Namshik Kim","raw_affiliation_strings":["School of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5026951091","display_name":"Hyuncheol Park","orcid":"https://orcid.org/0000-0002-7346-1364"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Hyuncheol Park","raw_affiliation_strings":["School of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea","institution_ids":["https://openalex.org/I157485424"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I157485424"],"apc_list":null,"apc_paid":null,"fwci":1.0735,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.71214485,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9998000264167786,"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"}},"topics":[{"id":"https://openalex.org/T10936","display_name":"Millimeter-Wave Propagation and Modeling","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/T10262","display_name":"Microwave Engineering and Waveguides","score":0.9991999864578247,"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":0.9988999962806702,"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":0.6948094367980957},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.6353722214698792},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.6214033961296082},{"id":"https://openalex.org/keywords/baseband","display_name":"Baseband","score":0.5976560115814209},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.590053915977478},{"id":"https://openalex.org/keywords/narrowband","display_name":"Narrowband","score":0.5128495693206787},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.48230409622192383},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.47008585929870605},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4555460512638092},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.433943510055542},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4139407277107239},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiple-access","display_name":"Orthogonal frequency-division multiple access","score":0.41183996200561523},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4052354097366333},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.18054082989692688},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.10402533411979675}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6948094367980957},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.6353722214698792},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.6214033961296082},{"id":"https://openalex.org/C65165936","wikidata":"https://www.wikidata.org/wiki/Q575784","display_name":"Baseband","level":3,"score":0.5976560115814209},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.590053915977478},{"id":"https://openalex.org/C2776096036","wikidata":"https://www.wikidata.org/wiki/Q1140483","display_name":"Narrowband","level":2,"score":0.5128495693206787},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.48230409622192383},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.47008585929870605},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4555460512638092},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.433943510055542},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4139407277107239},{"id":"https://openalex.org/C2775907427","wikidata":"https://www.wikidata.org/wiki/Q2697649","display_name":"Orthogonal frequency-division multiple access","level":4,"score":0.41183996200561523},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4052354097366333},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.18054082989692688},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.10402533411979675}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/vtc2020-spring48590.2020.9129155","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtc2020-spring48590.2020.9129155","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 IEEE 91st Vehicular Technology Conference (VTC2020-Spring)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W1956027752","https://openalex.org/W1975981182","https://openalex.org/W1992463666","https://openalex.org/W2053521124","https://openalex.org/W2056798980","https://openalex.org/W2189661557","https://openalex.org/W2259391824","https://openalex.org/W2259653162","https://openalex.org/W2288475376","https://openalex.org/W2291557725","https://openalex.org/W2792650514","https://openalex.org/W2905017398","https://openalex.org/W2964218543","https://openalex.org/W3099908750","https://openalex.org/W4246685419"],"related_works":["https://openalex.org/W4281688526","https://openalex.org/W2152088989","https://openalex.org/W2756419127","https://openalex.org/W4366493479","https://openalex.org/W2905893439","https://openalex.org/W3135374966","https://openalex.org/W2953205382","https://openalex.org/W2554517556","https://openalex.org/W1994906402","https://openalex.org/W4285231928"],"abstract_inverted_index":{"Wireless":[0],"communication":[1],"in":[2,31],"millimeter":[3],"wave":[4],"frequency":[5,43,63],"provides":[6],"a":[7,12,124,141],"high":[8,25,33],"data":[9],"rate":[10,114],"using":[11],"wide":[13,52],"bandwidth.":[14,53],"However,":[15],"the":[16,24,32,40,51,61,75,84,87,91,103,111,118,130,134,161,168,174,183,188,192,196],"large":[17],"array":[18],"antenna":[19],"is":[20,108,165,171,200],"necessary":[21],"to":[22,50,127,202],"overcome":[23],"path":[26],"loss,":[27],"which":[28,144],"may":[29],"result":[30],"feedback":[34],"overhead":[35],"and":[36,97,136,163],"hardware":[37],"complexity.":[38],"Moreover,":[39],"characteristics":[41],"of":[42,86,90,102,116,133],"selective":[44],"channel":[45,203],"should":[46],"be":[47],"considered":[48],"due":[49],"To":[54],"deal":[55],"with":[56,71],"these":[57],"problems,":[58],"we":[59,122,139],"propose":[60,140],"orthogonal":[62,150],"division":[64],"modulation":[65],"(OFDM)-based":[66],"hybrid":[67],"beamforming":[68],"(HBF)":[69],"scheme":[70,186,199],"limited":[72],"feedback.":[73],"While":[74],"conventional":[76,175,189],"OFDM-based":[77],"HBF":[78,98,131,142,185,198],"schemes":[79],"are":[80],"based":[81,109,149,172],"on":[82,110,173],"minimizing":[83],"sum":[85,113],"Frobenius":[88],"norm":[89],"differences":[92],"between":[93],"digital":[94,176],"BF":[95,157,170],"(DBF)":[96],"as":[99],"simple":[100],"extension":[101],"narrowband":[104],"systems,":[105],"our":[106],"approach":[107],"achievable":[112],"maximization":[115],"all":[117],"subcarriers.":[119],"In":[120],"particualr,":[121],"derive":[123],"design":[125],"criterion":[126],"jointly":[128],"optimize":[129],"matrices":[132],"transmitter":[135],"receiver.":[137],"Specifically,":[138],"method":[143],"designs":[145],"subchannel":[146],"gain":[147],"product":[148],"matching":[151],"pursuit.":[152],"Through":[153],"this,":[154],"an":[155],"analog":[156],"algorithm":[158],"considering":[159],"both":[160],"transitter":[162],"receiver":[164],"proposed,":[166],"while":[167],"baseband":[169],"precoding":[177],"scheme.":[178],"Simulation":[179],"results":[180,193],"show":[181,194],"that":[182,195],"proposed":[184,197],"outperforms":[187],"ones.":[190],"Notably,":[191],"robust":[201],"estimation":[204],"error.":[205]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}