{"id":"https://openalex.org/W4393380110","doi":"https://doi.org/10.1109/ieeeconf59524.2023.10477082","title":"Hybrid Convolutional Beamspace Method for mmWave MIMO Channel Estimation","display_name":"Hybrid Convolutional Beamspace Method for mmWave MIMO Channel Estimation","publication_year":2023,"publication_date":"2023-10-29","ids":{"openalex":"https://openalex.org/W4393380110","doi":"https://doi.org/10.1109/ieeeconf59524.2023.10477082"},"language":"en","primary_location":{"id":"doi:10.1109/ieeeconf59524.2023.10477082","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/ieeeconf59524.2023.10477082","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 57th Asilomar Conference on Signals, Systems, and Computers","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/A5059050006","display_name":"Po\u2010Chih Chen","orcid":"https://orcid.org/0000-0003-1637-9329"},"institutions":[{"id":"https://openalex.org/I122411786","display_name":"California Institute of Technology","ror":"https://ror.org/05dxps055","country_code":"US","type":"education","lineage":["https://openalex.org/I122411786"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Po-Chih Chen","raw_affiliation_strings":["California Institute of Technology,Department of Electrical Engineering, 136–93,Pasadena,CA,USA,91125"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"California Institute of Technology,Department of Electrical Engineering, 136–93,Pasadena,CA,USA,91125","institution_ids":["https://openalex.org/I122411786"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5049466863","display_name":"P. P. Vaidyanathan","orcid":"https://orcid.org/0000-0003-3003-7042"},"institutions":[{"id":"https://openalex.org/I122411786","display_name":"California Institute of Technology","ror":"https://ror.org/05dxps055","country_code":"US","type":"education","lineage":["https://openalex.org/I122411786"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"P. P. Vaidyanathan","raw_affiliation_strings":["California Institute of Technology,Department of Electrical Engineering, 136–93,Pasadena,CA,USA,91125"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"California Institute of Technology,Department of Electrical Engineering, 136–93,Pasadena,CA,USA,91125","institution_ids":["https://openalex.org/I122411786"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I122411786"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1293","last_page":"1297"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9983000159263611,"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":0.9983000159263611,"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":0.9969000220298767,"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":0.9943000078201294,"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/computer-science","display_name":"Computer science","score":0.7348445057868958},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.7295713424682617},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5621739029884338},{"id":"https://openalex.org/keywords/convolutional-code","display_name":"Convolutional code","score":0.47918593883514404},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.44621896743774414},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3920622169971466},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2429513931274414},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.10604196786880493},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.10088536143302917}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7348445057868958},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7295713424682617},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5621739029884338},{"id":"https://openalex.org/C157899210","wikidata":"https://www.wikidata.org/wiki/Q1395022","display_name":"Convolutional code","level":3,"score":0.47918593883514404},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.44621896743774414},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3920622169971466},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2429513931274414},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.10604196786880493},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.10088536143302917}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ieeeconf59524.2023.10477082","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/ieeeconf59524.2023.10477082","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 57th Asilomar Conference on Signals, Systems, and Computers","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.75,"display_name":"Affordable and clean energy"}],"awards":[{"id":"https://openalex.org/G892132440","display_name":null,"funder_award_id":"N00014-21-1-2521","funder_id":"https://openalex.org/F4320337345","funder_display_name":"Office of Naval Research"}],"funders":[{"id":"https://openalex.org/F4320309398","display_name":"California Institute of Technology","ror":"https://ror.org/05dxps055"},{"id":"https://openalex.org/F4320337345","display_name":"Office of Naval Research","ror":"https://ror.org/00rk2pe57"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1964521756","https://openalex.org/W2001948055","https://openalex.org/W2016999686","https://openalex.org/W2019473268","https://openalex.org/W2098174516","https://openalex.org/W2111953900","https://openalex.org/W2145412765","https://openalex.org/W2161666352","https://openalex.org/W2164390589","https://openalex.org/W2621353151","https://openalex.org/W2766551577","https://openalex.org/W2887520228","https://openalex.org/W3015599495","https://openalex.org/W3058115662","https://openalex.org/W3083023184","https://openalex.org/W3109938142","https://openalex.org/W4323521035","https://openalex.org/W4392979641"],"related_works":["https://openalex.org/W2051487156","https://openalex.org/W2610189143","https://openalex.org/W2073681303","https://openalex.org/W2159424856","https://openalex.org/W2136831313","https://openalex.org/W2119916994","https://openalex.org/W2141042115","https://openalex.org/W2141457018","https://openalex.org/W2374784828","https://openalex.org/W1972318883"],"abstract_inverted_index":{"Millimeter-wave":[0],"(mmWave)":[1],"MIMO":[2],"channel":[3],"estimation":[4,26,162],"is":[5,16,23,32,51,56,69,90,157],"studied.":[6],"To":[7],"reduce":[8],"hardware":[9,128],"cost,":[10],"hybrid":[11],"analog":[12,80,83],"and":[13,65,82,149],"digital":[14],"processing":[15],"used.":[17],"Hybrid":[18],"convolutional":[19],"beamspace":[20],"(CBS)":[21],"method":[22,31,169],"proposed":[24,168],"for":[25,35],"of":[27,49,108,123,133,166],"the":[28,66,79,147,167],"channel.":[29],"This":[30],"especially":[33],"attractive":[34],"large":[36],"arrays,":[37],"which":[38],"have":[39,86],"received":[40],"more":[41],"attention":[42],"recently.":[43],"In":[44],"particular,":[45],"a":[46,57,62,70,75,109,120,130,153],"nonuniform":[47,63,71,100],"scheme":[48],"CBS":[50,58,76,94],"proposed.":[52],"The":[53,99,164],"receiver":[54],"combiner":[55,84],"filter":[59,95],"followed":[60,73],"by":[61,74,114,172],"decimator,":[64],"transmitter":[67],"precoder":[68,81],"expander":[72],"filter.":[77],"Although":[78],"should":[85],"unit-modulus":[87],"entries,":[88],"it":[89],"shown":[91,171],"that":[92],"any":[93],"coefficients":[96],"are":[97,170],"realizable.":[98],"decimation":[101],"or":[102],"expansion":[103],"corresponds":[104],"to":[105,146],"antenna":[106],"locations":[107],"virtual":[110],"sparse":[111,150],"array,":[112],"dilated":[113],"an":[115],"integer":[116],"factor.":[117],"Thus,":[118],"given":[119],"small":[121],"number":[122,132],"RF":[124],"chains,":[125],"meaning":[126],"low":[127],"complexity,":[129],"significant":[131],"paths":[134],"can":[135],"still":[136],"be":[137],"estimated":[138],"with":[139],"difference":[140],"coarray":[141,155],"methods.":[142],"More":[143],"importantly,":[144],"due":[145],"dilation":[148],"array":[151],"structure,":[152],"larger":[154],"aperture":[156],"achieved,":[158],"resulting":[159],"in":[160],"better":[161],"performance.":[163],"advantages":[165],"simulations.":[173]},"counts_by_year":[{"year":2023,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}