{"id":"https://openalex.org/W4387872704","doi":"https://doi.org/10.1109/icc45041.2023.10279155","title":"Joint Multi-User Channel Estimation for Hybrid Reconfigurable Intelligent Surfaces","display_name":"Joint Multi-User Channel Estimation for Hybrid Reconfigurable Intelligent Surfaces","publication_year":2023,"publication_date":"2023-05-28","ids":{"openalex":"https://openalex.org/W4387872704","doi":"https://doi.org/10.1109/icc45041.2023.10279155"},"language":"en","primary_location":{"id":"doi:10.1109/icc45041.2023.10279155","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc45041.2023.10279155","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICC 2023 - IEEE International Conference on Communications","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/A5080764067","display_name":"Boriana Boiadjieva","orcid":"https://orcid.org/0000-0001-7712-2637"},"institutions":[{"id":"https://openalex.org/I121934306","display_name":"Tufts University","ror":"https://ror.org/05wvpxv85","country_code":"US","type":"education","lineage":["https://openalex.org/I121934306"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Boriana Boiadjieva","raw_affiliation_strings":["Tufts University,Department of Electrical and Computer Engineering,Medford,MA,USA","Department of Electrical and Computer Engineering, Tufts University, Medford, MA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tufts University,Department of Electrical and Computer Engineering,Medford,MA,USA","institution_ids":["https://openalex.org/I121934306"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Tufts University, Medford, MA, USA","institution_ids":["https://openalex.org/I121934306"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5000020663","display_name":"Mai Vu","orcid":"https://orcid.org/0000-0003-4486-5500"},"institutions":[{"id":"https://openalex.org/I121934306","display_name":"Tufts University","ror":"https://ror.org/05wvpxv85","country_code":"US","type":"education","lineage":["https://openalex.org/I121934306"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Mai Vu","raw_affiliation_strings":["Tufts University,Department of Electrical and Computer Engineering,Medford,MA,USA","Department of Electrical and Computer Engineering, Tufts University, Medford, MA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tufts University,Department of Electrical and Computer Engineering,Medford,MA,USA","institution_ids":["https://openalex.org/I121934306"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Tufts University, Medford, MA, USA","institution_ids":["https://openalex.org/I121934306"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I121934306"],"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":"877","last_page":"882"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","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/T11458","display_name":"Advanced Wireless Communication Technologies","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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9990000128746033,"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":0.9951000213623047,"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":0.6687600612640381},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.6614854335784912},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6312309503555298},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.5854564905166626},{"id":"https://openalex.org/keywords/reflection","display_name":"Reflection (computer programming)","score":0.5772978067398071},{"id":"https://openalex.org/keywords/joint","display_name":"Joint (building)","score":0.5665966272354126},{"id":"https://openalex.org/keywords/radio-frequency","display_name":"Radio frequency","score":0.5574077367782593},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.5179204344749451},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2183622419834137},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.17522430419921875}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6687600612640381},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.6614854335784912},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6312309503555298},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.5854564905166626},{"id":"https://openalex.org/C65682993","wikidata":"https://www.wikidata.org/wiki/Q1056451","display_name":"Reflection (computer programming)","level":2,"score":0.5772978067398071},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.5665966272354126},{"id":"https://openalex.org/C74064498","wikidata":"https://www.wikidata.org/wiki/Q3396184","display_name":"Radio frequency","level":2,"score":0.5574077367782593},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5179204344749451},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2183622419834137},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.17522430419921875},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C170154142","wikidata":"https://www.wikidata.org/wiki/Q150737","display_name":"Architectural engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icc45041.2023.10279155","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc45041.2023.10279155","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICC 2023 - IEEE International Conference on Communications","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":0.7900000214576721}],"awards":[{"id":"https://openalex.org/G4572708944","display_name":"HDR TRIPODS: Building the Foundation for a Data-Intensive Studies Center-","funder_award_id":"1934553","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G4790602378","display_name":null,"funder_award_id":"1908552","funder_id":"https://openalex.org/F4320337388","funder_display_name":"Division of Computer and Network Systems"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320337388","display_name":"Division of Computer and Network Systems","ror":"https://ror.org/02rdzmk74"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1976947985","https://openalex.org/W1991056455","https://openalex.org/W2045840914","https://openalex.org/W2107861471","https://openalex.org/W2803670972","https://openalex.org/W2896488630","https://openalex.org/W2968810373","https://openalex.org/W3015419519","https://openalex.org/W3035386068","https://openalex.org/W3134059753","https://openalex.org/W3171953287","https://openalex.org/W4293868810"],"related_works":["https://openalex.org/W1996130883","https://openalex.org/W2748574964","https://openalex.org/W2888483922","https://openalex.org/W4396737233","https://openalex.org/W2371168111","https://openalex.org/W2367747139","https://openalex.org/W2494809169","https://openalex.org/W4391102217","https://openalex.org/W1576035430","https://openalex.org/W2566187525"],"abstract_inverted_index":{"We":[0],"consider":[1],"a":[2,11,28,40,66,76,82,112,128,150,181],"novel":[3,83],"Hybrid":[4],"Reconfigurable":[5],"Intelligent":[6],"Surface":[7],"(HRIS)":[8],"structure":[9,18],"with":[10,27],"limited":[12],"number":[13,130],"of":[14,69,127,131,179],"RF":[15,42,62,78,152,183],"ports.":[16],"This":[17,158],"is":[19,36],"different":[20],"from":[21,71],"the":[22,46,49,58,99,106,120,123,170,177,186],"commonly":[23],"considered":[24],"hybrid":[25],"surface":[26,59],"few":[29,77,151,182],"active":[30,34],"elements,":[31],"where":[32],"each":[33,61],"element":[35,55],"connected":[37],"directly":[38],"to":[39,60,88,117,164],"separate":[41],"port.":[43],"Instead,":[44],"in":[45],"new":[47],"structure,":[48],"wireless":[50],"signal":[51],"impinging":[52],"on":[53],"every":[54],"propagates":[56],"along":[57],"port,":[63],"which":[64],"receives":[65],"linear":[67],"combination":[68],"signals":[70],"all":[72,91],"elements.":[73],"Using":[74],"only":[75,149],"ports,":[79],"we":[80],"propose":[81],"compressive":[84],"sensing":[85],"(CS)":[86],"algorithm":[87,110,139],"jointly":[89],"estimate":[90,118],"direct":[92],"channels":[93],"between":[94],"multiple":[95],"multi-antenna":[96,146],"devices":[97],"at":[98,185],"HRIS,":[100],"without":[101],"requiring":[102],"orthogonal":[103],"pilots":[104],"among":[105],"devices.":[107],"The":[108],"proposed":[109],"uses":[111],"beamspace":[113],"based":[114],"CS":[115],"approach":[116],"both":[119],"angles":[121],"and":[122,154],"complex":[124],"path":[125],"gains":[126],"sparse":[129],"propagation":[132],"paths.":[133],"Simulation":[134],"results":[135,175],"show":[136],"that":[137],"our":[138],"achieves":[140],"high":[141],"estimation":[142,161],"accuracy,":[143],"especially":[144],"for":[145,172],"devices,":[147],"using":[148,169],"ports":[153,184],"short":[155],"pilot":[156],"sequences.":[157],"better":[159],"channel":[160],"accuracy":[162],"translates":[163],"higher":[165],"spectral":[166],"efficiency":[167],"when":[168],"HRIS":[171],"reflection.":[173],"Our":[174],"demonstrate":[176],"merits":[178],"adding":[180],"intelligent":[187],"surface.":[188]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}