{"id":"https://openalex.org/W4406356346","doi":"https://doi.org/10.1109/wcsp62071.2024.10827402","title":"Low-Overhead Channel Estimation for Beyond Diagonal Reconfigurable Intelligent Surface Aided Single-User Communication","display_name":"Low-Overhead Channel Estimation for Beyond Diagonal Reconfigurable Intelligent Surface Aided Single-User Communication","publication_year":2024,"publication_date":"2024-10-24","ids":{"openalex":"https://openalex.org/W4406356346","doi":"https://doi.org/10.1109/wcsp62071.2024.10827402"},"language":"en","primary_location":{"id":"doi:10.1109/wcsp62071.2024.10827402","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcsp62071.2024.10827402","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 16th International Conference on Wireless Communications and Signal Processing (WCSP)","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/A5100431342","display_name":"Rui Wang","orcid":"https://orcid.org/0000-0003-0044-8932"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Rui Wang","raw_affiliation_strings":["The Hong Kong Polytechnic University,Department of Electrical and Electronic Engineering"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Hong Kong Polytechnic University,Department of Electrical and Electronic Engineering","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005000898","display_name":"Shuowen Zhang","orcid":"https://orcid.org/0000-0002-4511-4154"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Shuowen Zhang","raw_affiliation_strings":["The Hong Kong Polytechnic University,Department of Electrical and Electronic Engineering"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Hong Kong Polytechnic University,Department of Electrical and Electronic Engineering","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100322345","display_name":"Liang Liu","orcid":"https://orcid.org/0000-0001-9491-8821"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Liang Liu","raw_affiliation_strings":["The Hong Kong Polytechnic University,Department of Electrical and Electronic Engineering"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Hong Kong Polytechnic University,Department of Electrical and Electronic Engineering","institution_ids":["https://openalex.org/I14243506"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I14243506"],"apc_list":null,"apc_paid":null,"fwci":3.4853,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.94133417,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"305","last_page":"310"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9957000017166138,"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":0.9957000017166138,"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/T10851","display_name":"Optical Wireless Communication Technologies","score":0.9952999949455261,"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":0.9639000296592712,"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":0.7318073511123657},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.7145399451255798},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5693609714508057},{"id":"https://openalex.org/keywords/diagonal","display_name":"Diagonal","score":0.5373392105102539},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.375061571598053},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3692058026790619}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7318073511123657},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.7145399451255798},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5693609714508057},{"id":"https://openalex.org/C130367717","wikidata":"https://www.wikidata.org/wiki/Q189791","display_name":"Diagonal","level":2,"score":0.5373392105102539},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.375061571598053},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3692058026790619},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/wcsp62071.2024.10827402","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcsp62071.2024.10827402","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 16th International Conference on Wireless Communications and Signal Processing (WCSP)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W1967795974","https://openalex.org/W3039402952","https://openalex.org/W3194854077","https://openalex.org/W4312879451","https://openalex.org/W4381198702","https://openalex.org/W4381785823","https://openalex.org/W4385338447","https://openalex.org/W4388624562","https://openalex.org/W4392251770","https://openalex.org/W4400352266"],"related_works":["https://openalex.org/W2135584473","https://openalex.org/W2964223869","https://openalex.org/W2792539140","https://openalex.org/W2005808740","https://openalex.org/W2295130398","https://openalex.org/W2064951085","https://openalex.org/W2626141450","https://openalex.org/W2372188366","https://openalex.org/W2799270999","https://openalex.org/W4280499399"],"abstract_inverted_index":{"We":[0,16],"explore":[1],"channel":[2,25,34,70,94,108,121,160,190],"estimation":[3,35,109,161,191,207],"for":[4,158],"a":[5,19,67,80,86,105],"beyond":[6],"diagonal":[7],"reconfigurable":[8],"intelligent":[9],"surface":[10],"(BD-RIS)":[11],"aided":[12],"single-user":[13],"communication":[14],"system.":[15],"first":[17],"reveal":[18],"pivotal":[20],"property":[21],"within":[22],"the":[23,33,39,53,56,59,73,90,112,119,124,134,138,152,165,171,179,189,203,214,217],"cascaded":[24,60,77,120],"that":[26,151,188,201],"can":[27],"be":[28,97],"leveraged":[29],"to":[30,38,52,63,96,123,213],"dramatically":[31],"reduce":[32],"overhead,":[36],"which,":[37],"best":[40],"of":[41,83,92,137,154,167,202,216],"our":[42,194],"knowledge,":[43],"has":[44],"not":[45],"been":[46],"exploited":[47],"in":[48,75,89,111,116,131,170,178,210],"existing":[49],"literature.":[50],"Owing":[51],"interconnections":[54],"among":[55],"BD-RIS":[57,126,140,168],"elements,":[58],"channels":[61,78],"associated":[62,122],"different":[64],"elements":[65,141,169],"share":[66],"common":[68],"RIS-BS":[69],"component.":[71],"Consequently,":[72],"coefficients":[74,95,136],"these":[76],"exhibit":[79],"high":[81],"degree":[82],"correlation,":[84],"enabling":[85],"substantial":[87],"reduction":[88],"number":[91,153,166],"independent":[93],"estimated.":[98,143],"Building":[99],"upon":[100],"this":[101,145],"finding,":[102],"we":[103,184],"propose":[104],"novel":[106],"two-phase":[107],"strategy":[110],"uplink":[113],"communication.":[114],"Specifically,":[115],"Phase":[117,132],"I,":[118],"reference":[125],"element":[127],"is":[128,148,162,197],"estimated;":[129],"while":[130],"II,":[133],"correlation":[135],"other":[139],"are":[142],"Under":[144],"strategy,":[146],"it":[147],"theoretically":[149],"demonstrated":[150],"time":[155],"instants":[156],"required":[157],"perfect":[159],"merely":[163],"twice":[164],"ideal":[172],"case":[173,180],"without":[174],"BS":[175,182],"noise.":[176],"Furthermore,":[177],"with":[181],"noise,":[183],"show":[185],"by":[186],"simulation":[187],"error":[192],"under":[193],"proposed":[195,209],"scheme":[196,208],"markedly":[198],"lower":[199],"than":[200],"least":[204],"square":[205],"(LS)":[206],"[1],":[211],"attributed":[212],"exploitation":[215],"channel's":[218],"inherent":[219],"property.":[220]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3}],"updated_date":"2026-08-11T07:18:39.950985","created_date":"2025-10-10T00:00:00"}