{"id":"https://openalex.org/W4214587880","doi":"https://doi.org/10.1109/tvt.2022.3153966","title":"Robust Channel Estimation for RIS-Aided Millimeter-Wave System With RIS Blockage","display_name":"Robust Channel Estimation for RIS-Aided Millimeter-Wave System With RIS Blockage","publication_year":2022,"publication_date":"2022-02-24","ids":{"openalex":"https://openalex.org/W4214587880","doi":"https://doi.org/10.1109/tvt.2022.3153966"},"language":"en","primary_location":{"id":"doi:10.1109/tvt.2022.3153966","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2022.3153966","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Vehicular Technology","raw_type":"journal-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/A5080484775","display_name":"Siqi Ma","orcid":"https://orcid.org/0000-0001-5140-0803"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Siqi Ma","raw_affiliation_strings":["School of Information and Electronics, Beijing Institute of Technology, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077015591","display_name":"Wenqian Shen","orcid":"https://orcid.org/0000-0003-2509-3664"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wenqian Shen","raw_affiliation_strings":["School of Information and Electronics, Beijing Institute of Technology, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101690570","display_name":"Xinyu Gao","orcid":"https://orcid.org/0000-0001-9643-0379"},"institutions":[{"id":"https://openalex.org/I2250955327","display_name":"Huawei Technologies (China)","ror":"https://ror.org/00cmhce21","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250955327"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xinyu Gao","raw_affiliation_strings":["Huawei Technologies Company Ltd., Beijing, China"],"affiliations":[{"raw_affiliation_string":"Huawei Technologies Company Ltd., Beijing, China","institution_ids":["https://openalex.org/I2250955327"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5044674658","display_name":"Jianping An","orcid":"https://orcid.org/0000-0002-6441-9711"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianping An","raw_affiliation_strings":["School of Information and Electronics, Beijing Institute of Technology, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5080484775"],"corresponding_institution_ids":["https://openalex.org/I125839683"],"apc_list":null,"apc_paid":null,"fwci":2.4704,"has_fulltext":false,"cited_by_count":27,"citation_normalized_percentile":{"value":0.89192087,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"71","issue":"5","first_page":"5621","last_page":"5626"},"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":0.9853000044822693,"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/T12042","display_name":"Satellite Communication Systems","score":0.9811000227928162,"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":0.7103014588356018},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.5621776580810547},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.552548885345459},{"id":"https://openalex.org/keywords/extremely-high-frequency","display_name":"Extremely high frequency","score":0.5524017810821533},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.5271534323692322},{"id":"https://openalex.org/keywords/communications-system","display_name":"Communications system","score":0.48319685459136963},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2803623080253601},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2573012113571167}],"concepts":[{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.7103014588356018},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.5621776580810547},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.552548885345459},{"id":"https://openalex.org/C45764600","wikidata":"https://www.wikidata.org/wiki/Q570342","display_name":"Extremely high frequency","level":2,"score":0.5524017810821533},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5271534323692322},{"id":"https://openalex.org/C101765175","wikidata":"https://www.wikidata.org/wiki/Q577764","display_name":"Communications system","level":2,"score":0.48319685459136963},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2803623080253601},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2573012113571167}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tvt.2022.3153966","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2022.3153966","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Vehicular Technology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G5038986421","display_name":null,"funder_award_id":"61901034","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":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W2316246118","https://openalex.org/W2614889182","https://openalex.org/W2768388424","https://openalex.org/W2793020257","https://openalex.org/W2908603021","https://openalex.org/W2937693915","https://openalex.org/W2949670636","https://openalex.org/W2963322541","https://openalex.org/W2969424089","https://openalex.org/W2971912794","https://openalex.org/W2985466239","https://openalex.org/W3007669596","https://openalex.org/W3008356568","https://openalex.org/W3010176898","https://openalex.org/W3025201079","https://openalex.org/W3032095193","https://openalex.org/W3048745140","https://openalex.org/W3093857651","https://openalex.org/W3103991536","https://openalex.org/W3105629297","https://openalex.org/W3133878048","https://openalex.org/W3154003282","https://openalex.org/W3196690531"],"related_works":["https://openalex.org/W4311224030","https://openalex.org/W1976985527","https://openalex.org/W4245236186","https://openalex.org/W2902017755","https://openalex.org/W2953223428","https://openalex.org/W4307482984","https://openalex.org/W2912284747","https://openalex.org/W2372426168","https://openalex.org/W2375193409","https://openalex.org/W3165738400"],"abstract_inverted_index":{"Recently,":[0],"the":[1,30,44,56,61,69,77,101,105,111,115],"reconfigurable":[2],"intelligent":[3],"surface":[4],"(RIS)":[5],"aided":[6],"communication":[7],"system":[8,70],"has":[9],"emerged":[10],"as":[11],"a":[12,83],"promising":[13],"candidate":[14],"for":[15,24],"future":[16],"wireless":[17],"communications.":[18],"The":[19],"existing":[20,119],"channel":[21,62,87,102],"estimation":[22,88],"methods":[23],"RIS-aided":[25,73],"millimeter-wave":[26],"systems":[27],"assume":[28],"that":[29,90],"RIS":[31,39,94,106],"is":[32,91],"ideal":[33],"without":[34],"blockage.":[35,107],"However,":[36],"in":[37],"practice,":[38],"may":[40],"be":[41],"blocked":[42,78],"by":[43],"rain,":[45],"snow,":[46],"or":[47],"dust,":[48],"which":[49],"will":[50],"cause":[51],"absorption":[52],"and":[53,59,104],"scattering":[54],"of":[55,72,114],"incident/reflected":[57],"signals":[58],"change":[60],"characteristics.":[63],"In":[64],"this":[65],"paper,":[66],"we":[67,81,97],"formulate":[68],"model":[71],"multi-user":[74],"communications":[75],"considering":[76],"RIS.":[79],"Then,":[80],"propose":[82],"variational":[84],"Bayesian":[85],"based":[86],"algorithm":[89,117],"robust":[92],"to":[93,118],"blockage,":[95],"where":[96],"can":[98],"simultaneously":[99],"estimate":[100],"information":[103],"Simulation":[108],"results":[109],"demonstrate":[110],"superior":[112],"performance":[113],"proposed":[116],"ones.":[120]},"counts_by_year":[{"year":2025,"cited_by_count":7},{"year":2024,"cited_by_count":8},{"year":2023,"cited_by_count":11},{"year":2022,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
