{"id":"https://openalex.org/W4309242536","doi":"https://doi.org/10.1109/iswcs56560.2022.9940404","title":"Sensing-based Two-timescale Channel Estimation for RIS-assisted Hybrid Millimeter Wave Systems","display_name":"Sensing-based Two-timescale Channel Estimation for RIS-assisted Hybrid Millimeter Wave Systems","publication_year":2022,"publication_date":"2022-10-19","ids":{"openalex":"https://openalex.org/W4309242536","doi":"https://doi.org/10.1109/iswcs56560.2022.9940404"},"language":"en","primary_location":{"id":"doi:10.1109/iswcs56560.2022.9940404","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iswcs56560.2022.9940404","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2022 International Symposium on Wireless Communication Systems (ISWCS)","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/A5081422146","display_name":"Jiabei Sun","orcid":"https://orcid.org/0000-0002-6662-8883"},"institutions":[{"id":"https://openalex.org/I50760025","display_name":"Hangzhou Dianzi University","ror":"https://ror.org/0576gt767","country_code":"CN","type":"education","lineage":["https://openalex.org/I50760025"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Jiabei Sun","raw_affiliation_strings":["School of Communications Engineering, Hangzhou Dianzi University,Hangzhou,China","School of Communications Engineering, Hangzhou Dianzi University, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"School of Communications Engineering, Hangzhou Dianzi University,Hangzhou,China","institution_ids":["https://openalex.org/I50760025"]},{"raw_affiliation_string":"School of Communications Engineering, Hangzhou Dianzi University, Hangzhou, China","institution_ids":["https://openalex.org/I50760025"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041274874","display_name":"Lou Zhao","orcid":"https://orcid.org/0000-0001-5728-1163"},"institutions":[{"id":"https://openalex.org/I50760025","display_name":"Hangzhou Dianzi University","ror":"https://ror.org/0576gt767","country_code":"CN","type":"education","lineage":["https://openalex.org/I50760025"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lou Zhao","raw_affiliation_strings":["School of Communications Engineering, Hangzhou Dianzi University,Hangzhou,China","School of Communications Engineering, Hangzhou Dianzi University, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"School of Communications Engineering, Hangzhou Dianzi University,Hangzhou,China","institution_ids":["https://openalex.org/I50760025"]},{"raw_affiliation_string":"School of Communications Engineering, Hangzhou Dianzi University, Hangzhou, China","institution_ids":["https://openalex.org/I50760025"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060754704","display_name":"Chunshan Liu","orcid":"https://orcid.org/0000-0002-3414-7743"},"institutions":[{"id":"https://openalex.org/I50760025","display_name":"Hangzhou Dianzi University","ror":"https://ror.org/0576gt767","country_code":"CN","type":"education","lineage":["https://openalex.org/I50760025"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chunshan Liu","raw_affiliation_strings":["School of Communications Engineering, Hangzhou Dianzi University,Hangzhou,China","School of Communications Engineering, Hangzhou Dianzi University, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"School of Communications Engineering, Hangzhou Dianzi University,Hangzhou,China","institution_ids":["https://openalex.org/I50760025"]},{"raw_affiliation_string":"School of Communications Engineering, Hangzhou Dianzi University, Hangzhou, China","institution_ids":["https://openalex.org/I50760025"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5075109962","display_name":"Yue Gao","orcid":"https://orcid.org/0000-0001-6502-9910"},"institutions":[{"id":"https://openalex.org/I4210086028","display_name":"Technology and Engineering Center for Space Utilization","ror":"https://ror.org/00cn03n83","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210086028"]},{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","lineage":["https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yu'e Gao","raw_affiliation_strings":["Technology and Engineering Center for Space Utilization, Chinese Academy of Sciences,Beijing,China","Technology and Engineering Center for Space Utilization, Chinese Academy of Sciences, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Technology and Engineering Center for Space Utilization, Chinese Academy of Sciences,Beijing,China","institution_ids":["https://openalex.org/I4210086028","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Technology and Engineering Center for Space Utilization, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210086028","https://openalex.org/I19820366"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5081422146"],"corresponding_institution_ids":["https://openalex.org/I50760025"],"apc_list":null,"apc_paid":null,"fwci":0.2745,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.53578483,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"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":0.996399998664856,"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":0.9868999719619751,"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/channel","display_name":"Channel (broadcasting)","score":0.8008172512054443},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.663780689239502},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.6347653269767761},{"id":"https://openalex.org/keywords/extremely-high-frequency","display_name":"Extremely high frequency","score":0.5986233949661255},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.5585026741027832},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.4633311331272125},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4228246212005615},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3812134861946106},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.32027193903923035},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.20042410492897034},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.12937629222869873}],"concepts":[{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.8008172512054443},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.663780689239502},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.6347653269767761},{"id":"https://openalex.org/C45764600","wikidata":"https://www.wikidata.org/wiki/Q570342","display_name":"Extremely high frequency","level":2,"score":0.5986233949661255},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.5585026741027832},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.4633311331272125},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4228246212005615},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3812134861946106},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.32027193903923035},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.20042410492897034},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.12937629222869873},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iswcs56560.2022.9940404","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iswcs56560.2022.9940404","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2022 International Symposium on Wireless Communication Systems (ISWCS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1666013603","display_name":null,"funder_award_id":"42176190","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W2111953900","https://openalex.org/W2339667469","https://openalex.org/W2591812953","https://openalex.org/W2937693915","https://openalex.org/W2968810373","https://openalex.org/W2969424089","https://openalex.org/W3010695123","https://openalex.org/W3025201079","https://openalex.org/W3043220753","https://openalex.org/W3128596355","https://openalex.org/W3129486236","https://openalex.org/W3133443365","https://openalex.org/W3154003282","https://openalex.org/W3180206688","https://openalex.org/W3198286088","https://openalex.org/W3214276595","https://openalex.org/W4214587880","https://openalex.org/W4287887619"],"related_works":["https://openalex.org/W2500106866","https://openalex.org/W2800473611","https://openalex.org/W2372188366","https://openalex.org/W2106711889","https://openalex.org/W4226210192","https://openalex.org/W2032430904","https://openalex.org/W2799270999","https://openalex.org/W2114648181","https://openalex.org/W4280499399","https://openalex.org/W1967286561"],"abstract_inverted_index":{"In":[0,57],"this":[1],"paper,":[2],"we":[3,59],"propose":[4],"a":[5,46,152],"sensing-based":[6],"two-timescale":[7],"channel":[8,24,44,75,137],"estimation":[9,25,138],"algorithm":[10,26,139],"for":[11,117],"reconfigurable":[12],"intelligent":[13],"surface":[14],"(RIS)":[15],"assisted":[16],"multi-user":[17],"hybrid":[18,146],"millimeter":[19],"wave":[20],"systems.":[21],"The":[22],"proposed":[23,136],"aims":[27],"to":[28,107],"separately":[29],"estimate":[30,142],"the":[31,41,55,65,69,73,80,94,98,108,125,135,149],"base":[32],"station":[33],"(BS)-RIS":[34],"and":[35,72,89,130],"RIS-user":[36,122,143],"channels":[37,123,144],"instead":[38],"of":[39,49,64,79,120,151],"estimating":[40],"cascaded":[42],"BS-RIS-user":[43],"with":[45,145],"limited":[47],"number":[48],"radio":[50],"frequency":[51],"chains":[52],"equipped":[53],"at":[54,93,148],"BS.":[56],"particular,":[58],"first":[60],"cooperatively":[61],"acquire":[62],"parameters":[63],"BS-RIS":[66,81],"channel,":[67,82],"e.g.,":[68],"line-of-sight":[70],"component":[71],"equivalent":[74],"state":[76],"information":[77],"(CSI)":[78],"via":[83],"sensing":[84,91],"methods":[85],"by":[86],"both":[87],"transmitting":[88],"receiving":[90],"signals":[92],"BS":[95,109],"once":[96],"over":[97,124],"large":[99],"timescale.":[100,127],"Then,":[101],"users":[102],"transmit":[103],"orthogonal":[104],"training":[105,154],"sequences":[106],"while":[110],"RIS":[111],"elements":[112],"are":[113],"sequentially":[114],"turned":[115],"on":[116],"obtaining":[118],"CSIs":[119],"time-varying":[121],"small":[126],"Our":[128],"analytical":[129],"simulation":[131],"results":[132],"show":[133],"that":[134],"can":[140],"effectively":[141],"architecture":[147],"cost":[150],"reasonable":[153],"overhead.":[155]},"counts_by_year":[{"year":2025,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
