{"id":"https://openalex.org/W4386869648","doi":"https://doi.org/10.1109/tcomm.2023.3317291","title":"Accurate Beam Training for RIS-Assisted Wideband Terahertz Communication","display_name":"Accurate Beam Training for RIS-Assisted Wideband Terahertz Communication","publication_year":2023,"publication_date":"2023-09-19","ids":{"openalex":"https://openalex.org/W4386869648","doi":"https://doi.org/10.1109/tcomm.2023.3317291"},"language":"en","primary_location":{"id":"doi:10.1109/tcomm.2023.3317291","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2023.3317291","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Communications","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/A5062649678","display_name":"Yuhao Chen","orcid":"https://orcid.org/0009-0008-3853-9825"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]},{"id":"https://openalex.org/I4210156423","display_name":"National Engineering Research Center for Information Technology in Agriculture","ror":"https://ror.org/04c3j3t84","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210156423"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yuhao Chen","raw_affiliation_strings":["Department of Electronic Engineering, Tsinghua University, Beijing, China","Beijing National Research Center for Information Science and Technology (BNRist), Beijing, China"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]},{"raw_affiliation_string":"Beijing National Research Center for Information Science and Technology (BNRist), Beijing, China","institution_ids":["https://openalex.org/I4210156423"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049469336","display_name":"Jingbo Tan","orcid":"https://orcid.org/0000-0003-4365-7435"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]},{"id":"https://openalex.org/I4210156423","display_name":"National Engineering Research Center for Information Technology in Agriculture","ror":"https://ror.org/04c3j3t84","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210156423"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jingbo Tan","raw_affiliation_strings":["Department of Electronic Engineering, Tsinghua University, Beijing, China","Beijing National Research Center for Information Science and Technology (BNRist), Beijing, China"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]},{"raw_affiliation_string":"Beijing National Research Center for Information Science and Technology (BNRist), Beijing, China","institution_ids":["https://openalex.org/I4210156423"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040322289","display_name":"Hao Mo","orcid":"https://orcid.org/0000-0002-1920-3639"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Mo Hao","raw_affiliation_strings":["Tsinghua SEM Advanced ICT Laboratory, Tsinghua University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Tsinghua SEM Advanced ICT Laboratory, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057066369","display_name":"Richard MacKenzie","orcid":"https://orcid.org/0000-0003-4675-5102"},"institutions":[{"id":"https://openalex.org/I14689143","display_name":"BT Research","ror":"https://ror.org/03308db07","country_code":"GB","type":"facility","lineage":["https://openalex.org/I1332878012","https://openalex.org/I14689143"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Richard MacKenzie","raw_affiliation_strings":["BT Networks, Adastral Park, Ipswich, U.K"],"affiliations":[{"raw_affiliation_string":"BT Networks, Adastral Park, Ipswich, U.K","institution_ids":["https://openalex.org/I14689143"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5081869164","display_name":"Linglong Dai","orcid":"https://orcid.org/0000-0002-4250-7315"},"institutions":[{"id":"https://openalex.org/I4210156423","display_name":"National Engineering Research Center for Information Technology in Agriculture","ror":"https://ror.org/04c3j3t84","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210156423"]},{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Linglong Dai","raw_affiliation_strings":["Department of Electronic Engineering, Tsinghua University, Beijing, China","Beijing National Research Center for Information Science and Technology (BNRist), Beijing, China"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]},{"raw_affiliation_string":"Beijing National Research Center for Information Science and Technology (BNRist), Beijing, China","institution_ids":["https://openalex.org/I4210156423"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5062649678"],"corresponding_institution_ids":["https://openalex.org/I4210156423","https://openalex.org/I99065089"],"apc_list":null,"apc_paid":null,"fwci":4.2428,"has_fulltext":false,"cited_by_count":32,"citation_normalized_percentile":{"value":0.94970146,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":99,"max":100},"biblio":{"volume":"71","issue":"12","first_page":"7425","last_page":"7440"},"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9955000281333923,"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":0.9945999979972839,"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/wideband","display_name":"Wideband","score":0.815316379070282},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6649233102798462},{"id":"https://openalex.org/keywords/terahertz-radiation","display_name":"Terahertz radiation","score":0.6207177042961121},{"id":"https://openalex.org/keywords/codebook","display_name":"Codebook","score":0.6073611974716187},{"id":"https://openalex.org/keywords/path-loss","display_name":"Path loss","score":0.5856659412384033},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.5849596858024597},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.5656092166900635},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.5633125305175781},{"id":"https://openalex.org/keywords/beam","display_name":"Beam (structure)","score":0.5240124464035034},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.5102677345275879},{"id":"https://openalex.org/keywords/communications-system","display_name":"Communications system","score":0.4561674892902374},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4556974470615387},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2591620981693268},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.24038851261138916},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.15829643607139587},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.12337425351142883},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.11644935607910156}],"concepts":[{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.815316379070282},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6649233102798462},{"id":"https://openalex.org/C107816215","wikidata":"https://www.wikidata.org/wiki/Q647887","display_name":"Terahertz radiation","level":2,"score":0.6207177042961121},{"id":"https://openalex.org/C127759330","wikidata":"https://www.wikidata.org/wiki/Q637416","display_name":"Codebook","level":2,"score":0.6073611974716187},{"id":"https://openalex.org/C194273485","wikidata":"https://www.wikidata.org/wiki/Q1478845","display_name":"Path loss","level":3,"score":0.5856659412384033},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.5849596858024597},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5656092166900635},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.5633125305175781},{"id":"https://openalex.org/C168834538","wikidata":"https://www.wikidata.org/wiki/Q3705329","display_name":"Beam (structure)","level":2,"score":0.5240124464035034},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.5102677345275879},{"id":"https://openalex.org/C101765175","wikidata":"https://www.wikidata.org/wiki/Q577764","display_name":"Communications system","level":2,"score":0.4561674892902374},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4556974470615387},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2591620981693268},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.24038851261138916},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.15829643607139587},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.12337425351142883},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.11644935607910156},{"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/tcomm.2023.3317291","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2023.3317291","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G5830315594","display_name":null,"funder_award_id":"956256","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G7713572666","display_name":null,"funder_award_id":"2020YFB1807205","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"}],"funders":[{"id":"https://openalex.org/F4320320300","display_name":"European Commission","ror":"https://ror.org/00k4n6c32"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":46,"referenced_works":["https://openalex.org/W2090091273","https://openalex.org/W2166486216","https://openalex.org/W2168311839","https://openalex.org/W2248415020","https://openalex.org/W2261663070","https://openalex.org/W2314562768","https://openalex.org/W2517423163","https://openalex.org/W2561566304","https://openalex.org/W2618546898","https://openalex.org/W2730027154","https://openalex.org/W2888283726","https://openalex.org/W2889503892","https://openalex.org/W2912719095","https://openalex.org/W2953489761","https://openalex.org/W2955897898","https://openalex.org/W2962944637","https://openalex.org/W2964005248","https://openalex.org/W2964745453","https://openalex.org/W2968457932","https://openalex.org/W2968810373","https://openalex.org/W2969424089","https://openalex.org/W2986285446","https://openalex.org/W2990747873","https://openalex.org/W3010025739","https://openalex.org/W3010176898","https://openalex.org/W3011015115","https://openalex.org/W3011830499","https://openalex.org/W3013719647","https://openalex.org/W3019248781","https://openalex.org/W3038533179","https://openalex.org/W3046991405","https://openalex.org/W3088864784","https://openalex.org/W3092222435","https://openalex.org/W3113108189","https://openalex.org/W3121978485","https://openalex.org/W3126485115","https://openalex.org/W3154003282","https://openalex.org/W3155632926","https://openalex.org/W3158743991","https://openalex.org/W3159402647","https://openalex.org/W3204162029","https://openalex.org/W3211925265","https://openalex.org/W3213791921","https://openalex.org/W4285132575","https://openalex.org/W4377090076","https://openalex.org/W4377235263"],"related_works":["https://openalex.org/W2293149949","https://openalex.org/W2026099691","https://openalex.org/W4284672201","https://openalex.org/W2377486419","https://openalex.org/W2943202426","https://openalex.org/W2137816434","https://openalex.org/W2163679795","https://openalex.org/W2736714427","https://openalex.org/W2017956276","https://openalex.org/W2117054468"],"abstract_inverted_index":{"Terahertz":[0],"(THz)":[1],"communications":[2],"have":[3,85],"been":[4],"widely":[5,74],"considered":[6],"as":[7],"one":[8],"of":[9,35,52,62,143,170],"the":[10,23,50,60,78,88,96,140,144,152,158,162,167,171,179,184],"promising":[11],"technologies":[12],"for":[13,161],"future":[14],"6G":[15],"wireless":[16],"systems.":[17,125],"In":[18,46],"order":[19,47],"to":[20,42,48,56,76,149],"cope":[21],"with":[22,189],"high":[24],"path":[25],"loss":[26],"in":[27,103,110,120],"THz":[28,123,173],"systems,":[29],"reconfigurable":[30],"intelligent":[31],"surface":[32],"(RIS)":[33],"composed":[34],"low-complexity":[36],"reflecting":[37],"elements":[38],"can":[39,182],"be":[40],"deployed":[41],"generate":[43],"directional":[44,58],"beams.":[45],"acquire":[49,77],"direction":[51,136],"user":[53],"equipment":[54],"(UE)":[55],"send":[57],"beams,":[59],"acquisition":[61],"accurate":[63],"channel":[64],"state":[65],"information":[66],"(CSI)":[67],"is":[68,73,147],"very":[69],"important.":[70],"Beam":[71],"training":[72,83,98,118,193],"utilized":[75,148],"CSI.":[79],"However,":[80],"existing":[81,196],"beam":[82,90,97,117,192],"schemes":[84],"not":[86],"taken":[87],"wideband":[89,104,122,172],"split":[91],"effect":[92],"into":[93],"consideration,":[94],"so":[95],"accuracy":[99],"decreases":[100],"a":[101,130,190],"lot":[102],"scenarios.":[105],"To":[106],"solve":[107],"this":[108,111],"problem,":[109],"paper,":[112],"we":[113,127,156],"propose":[114,129],"an":[115],"analytical":[116,159],"framework":[119,164,181],"RIS-assisted":[121],"communication":[124],"Specifically,":[126],"first":[128],"power":[131,146],"distribution":[132],"pattern":[133],"(PDP)":[134],"based":[135,165],"estimation":[137],"scheme,":[138],"where":[139],"exact":[141],"value":[142],"received":[145],"analytically":[150],"calculate":[151],"UE":[153],"direction.":[154],"Then,":[155],"design":[157],"codebook":[160],"proposed":[163,180],"on":[166],"inherent":[168],"parameters":[169],"system.":[174],"Simulation":[175],"results":[176],"show":[177],"that":[178],"achieve":[183],"near-optimal":[185],"achievable":[186],"rate":[187],"performance":[188],"lower":[191],"overhead":[194],"than":[195],"schemes.":[197]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":17},{"year":2024,"cited_by_count":13}],"updated_date":"2026-03-13T16:22:10.518609","created_date":"2025-10-10T00:00:00"}
