{"id":"https://openalex.org/W4407362628","doi":"https://doi.org/10.1109/ispacs62486.2024.10869192","title":"Enhancing Channel Estimation in mmWave RIS-assisted SIMO-OFDM Systems: A Data-aided Expectation Maximization Approach","display_name":"Enhancing Channel Estimation in mmWave RIS-assisted SIMO-OFDM Systems: A Data-aided Expectation Maximization Approach","publication_year":2024,"publication_date":"2024-12-10","ids":{"openalex":"https://openalex.org/W4407362628","doi":"https://doi.org/10.1109/ispacs62486.2024.10869192"},"language":"en","primary_location":{"id":"doi:10.1109/ispacs62486.2024.10869192","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ispacs62486.2024.10869192","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS)","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/A5008433666","display_name":"Fan-Shuo Tseng","orcid":"https://orcid.org/0000-0003-0362-5121"},"institutions":[{"id":"https://openalex.org/I142974352","display_name":"National Sun Yat-sen University","ror":"https://ror.org/00mjawt10","country_code":"TW","type":"education","lineage":["https://openalex.org/I142974352"]}],"countries":["TW"],"is_corresponding":true,"raw_author_name":"Fan-Shuo Tseng","raw_affiliation_strings":["Institute of Communicaitons National Sun Yat-sen University,Kaohsiung,Taiwan"],"affiliations":[{"raw_affiliation_string":"Institute of Communicaitons National Sun Yat-sen University,Kaohsiung,Taiwan","institution_ids":["https://openalex.org/I142974352"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102988171","display_name":"Tsang\u2010Yi Wang","orcid":"https://orcid.org/0000-0002-9947-4497"},"institutions":[{"id":"https://openalex.org/I142974352","display_name":"National Sun Yat-sen University","ror":"https://ror.org/00mjawt10","country_code":"TW","type":"education","lineage":["https://openalex.org/I142974352"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Tsang-Yi Wang","raw_affiliation_strings":["Institute of Communicaitons National Sun Yat-sen University,Kaohsiung,Taiwan"],"affiliations":[{"raw_affiliation_string":"Institute of Communicaitons National Sun Yat-sen University,Kaohsiung,Taiwan","institution_ids":["https://openalex.org/I142974352"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5008433666"],"corresponding_institution_ids":["https://openalex.org/I142974352"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.25347025,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9987000226974487,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9987000226974487,"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":0.9975000023841858,"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9944000244140625,"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/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.6872918605804443},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6717618703842163},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6128718852996826},{"id":"https://openalex.org/keywords/maximization","display_name":"Maximization","score":0.5416311621665955},{"id":"https://openalex.org/keywords/estimation","display_name":"Estimation","score":0.47675973176956177},{"id":"https://openalex.org/keywords/maximum-likelihood","display_name":"Maximum likelihood","score":0.4295095205307007},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.40669769048690796},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2925793528556824},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.20364966988563538},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.16169771552085876},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.14385974407196045},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.13623401522636414}],"concepts":[{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.6872918605804443},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6717618703842163},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6128718852996826},{"id":"https://openalex.org/C2776330181","wikidata":"https://www.wikidata.org/wiki/Q18358244","display_name":"Maximization","level":2,"score":0.5416311621665955},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.47675973176956177},{"id":"https://openalex.org/C49781872","wikidata":"https://www.wikidata.org/wiki/Q1045555","display_name":"Maximum likelihood","level":2,"score":0.4295095205307007},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.40669769048690796},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2925793528556824},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.20364966988563538},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.16169771552085876},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.14385974407196045},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.13623401522636414},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ispacs62486.2024.10869192","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ispacs62486.2024.10869192","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321408","display_name":"Ministry of Education","ror":"https://ror.org/01p262204"},{"id":"https://openalex.org/F4320331164","display_name":"National Science and Technology Council","ror":"https://ror.org/00wnb9798"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W2014933333","https://openalex.org/W2971912794","https://openalex.org/W2977180743","https://openalex.org/W2985466239","https://openalex.org/W3003686880","https://openalex.org/W3043220753","https://openalex.org/W3129486236","https://openalex.org/W3133878048","https://openalex.org/W3134690199","https://openalex.org/W3134746776","https://openalex.org/W3135614874","https://openalex.org/W3178081691","https://openalex.org/W3202943682","https://openalex.org/W3203940756","https://openalex.org/W4285104979"],"related_works":["https://openalex.org/W2792339401","https://openalex.org/W2530747331","https://openalex.org/W3097525855","https://openalex.org/W2125564215","https://openalex.org/W4391741972","https://openalex.org/W1986382998","https://openalex.org/W2517776947","https://openalex.org/W2084482193","https://openalex.org/W2972611783","https://openalex.org/W4243590696"],"abstract_inverted_index":{"Channel":[0],"Estimation":[1],"(CE)":[2],"in":[3],"Reconfigurable":[4],"Intelligent":[5],"Surface":[6],"(RIS)-assisted":[7],"communication":[8],"systems":[9,28],"is":[10],"crucial":[11],"for":[12,26,70,121,129],"reflection":[13],"design":[14],"at":[15,21,49,132],"the":[16,22,42,50,54,84,88,94,100,109,122,127,133],"RIS":[17,51],"node":[18,52],"and":[19,46,53],"detection":[20],"destination.":[23],"However,":[24],"CE":[25,92,119],"RIS-assisted":[27,71],"generally":[29],"requires":[30],"numerous":[31],"pilots":[32,69,116,131],"to":[33,41,90],"provide":[34],"sufficient":[35],"Degrees":[36],"of":[37,44],"Freedom":[38],"(DoF)":[39],"due":[40],"lack":[43],"A/D":[45],"D/A":[47],"converters":[48],"high-dimensional":[55],"space-time-frequency":[56],"received":[57],"signals.":[58],"In":[59],"this":[60],"paper,":[61],"we":[62,82],"study":[63],"a":[64],"channel":[65],"estimator":[66,98],"with":[67,99,114],"insufficient":[68],"mmWave":[72],"Single-Input":[73],"Multiple-Output":[74],"Orthogonal":[75],"Frequency":[76],"Division":[77],"Multiplexing":[78],"(SIMO-OFDM)":[79],"systems.":[80],"Specifically,":[81],"explore":[83],"DoFs":[85],"resulting":[86],"from":[87],"data":[89],"conduct":[91],"using":[93],"Maximum":[95],"Likelihood":[96],"(ML)":[97],"Expectation":[101],"Maximization":[102],"(EM)":[103],"algorithm.":[104],"Simulation":[105],"results":[106],"demonstrate":[107],"that":[108],"proposed":[110],"data-aided":[111],"EM":[112],"approach":[113],"fewer":[115],"significantly":[117],"improves":[118],"performance":[120],"RISassisted":[123],"SIMO-OFDM":[124],"system":[125],"without":[126],"need":[128],"additional":[130],"transmitter.":[134]},"counts_by_year":[],"updated_date":"2025-12-28T23:10:05.387466","created_date":"2025-10-10T00:00:00"}