{"id":"https://openalex.org/W4389544475","doi":"https://doi.org/10.1109/vtc2023-fall60731.2023.10333596","title":"Simultaneous Channel Estimation in MIMO OFDM Systems Using Constant-Amplitude Sequences","display_name":"Simultaneous Channel Estimation in MIMO OFDM Systems Using Constant-Amplitude Sequences","publication_year":2023,"publication_date":"2023-10-10","ids":{"openalex":"https://openalex.org/W4389544475","doi":"https://doi.org/10.1109/vtc2023-fall60731.2023.10333596"},"language":"en","primary_location":{"id":"doi:10.1109/vtc2023-fall60731.2023.10333596","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/vtc2023-fall60731.2023.10333596","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 IEEE 98th Vehicular Technology Conference (VTC2023-Fall)","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/A5104211646","display_name":"Shih-Hao Lu","orcid":null},"institutions":[{"id":"https://openalex.org/I16733864","display_name":"National Taiwan University","ror":"https://ror.org/05bqach95","country_code":"TW","type":"education","lineage":["https://openalex.org/I16733864"]}],"countries":["TW"],"is_corresponding":true,"raw_author_name":"Shih-Hao Lu","raw_affiliation_strings":["National Taiwan University,Graduate Institute of Communication Engineering","Graduate Institute of Communication Engineering, National Taiwan University"],"affiliations":[{"raw_affiliation_string":"National Taiwan University,Graduate Institute of Communication Engineering","institution_ids":["https://openalex.org/I16733864"]},{"raw_affiliation_string":"Graduate Institute of Communication Engineering, National Taiwan University","institution_ids":["https://openalex.org/I16733864"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034804362","display_name":"Char\u2010Dir Chung","orcid":"https://orcid.org/0000-0002-8432-0700"},"institutions":[{"id":"https://openalex.org/I16733864","display_name":"National Taiwan University","ror":"https://ror.org/05bqach95","country_code":"TW","type":"education","lineage":["https://openalex.org/I16733864"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Char-Dir Chung","raw_affiliation_strings":["National Taiwan University,Graduate Institute of Communication Engineering","Graduate Institute of Communication Engineering, National Taiwan University"],"affiliations":[{"raw_affiliation_string":"National Taiwan University,Graduate Institute of Communication Engineering","institution_ids":["https://openalex.org/I16733864"]},{"raw_affiliation_string":"Graduate Institute of Communication Engineering, National Taiwan University","institution_ids":["https://openalex.org/I16733864"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101902194","display_name":"Wei-Chang Chen","orcid":"https://orcid.org/0000-0002-2642-1618"},"institutions":[{"id":"https://openalex.org/I118292597","display_name":"National Taipei University of Technology","ror":"https://ror.org/00cn92c09","country_code":"TW","type":"education","lineage":["https://openalex.org/I118292597"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Wei-Chang Chen","raw_affiliation_strings":["National Taipei University of Technology,Department of Electronic Engineering","Department of Electronic Engineering, National Taipei University of Technology"],"affiliations":[{"raw_affiliation_string":"National Taipei University of Technology,Department of Electronic Engineering","institution_ids":["https://openalex.org/I118292597"]},{"raw_affiliation_string":"Department of Electronic Engineering, National Taipei University of Technology","institution_ids":["https://openalex.org/I118292597"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5104211646"],"corresponding_institution_ids":["https://openalex.org/I16733864"],"apc_list":null,"apc_paid":null,"fwci":0.1337,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.46999116,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"7"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","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/T10125","display_name":"Advanced Wireless Communication Techniques","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/T10575","display_name":"Wireless Communication Networks Research","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11873","display_name":"PAPR reduction in OFDM","score":0.9998000264167786,"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":0.7543400526046753},{"id":"https://openalex.org/keywords/mimo-ofdm","display_name":"MIMO-OFDM","score":0.5861973762512207},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5804470181465149},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.5640935301780701},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.49267464876174927},{"id":"https://openalex.org/keywords/complementary-sequences","display_name":"Complementary sequences","score":0.4645393192768097},{"id":"https://openalex.org/keywords/channel-sounding","display_name":"Channel sounding","score":0.4447230398654938},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.44414234161376953},{"id":"https://openalex.org/keywords/sequence","display_name":"Sequence (biology)","score":0.4115258455276489},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3830777108669281},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.3529103398323059},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3517628312110901},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.21669501066207886},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.07845795154571533},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.06535398960113525}],"concepts":[{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.7543400526046753},{"id":"https://openalex.org/C130946814","wikidata":"https://www.wikidata.org/wiki/Q5988271","display_name":"MIMO-OFDM","level":4,"score":0.5861973762512207},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5804470181465149},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.5640935301780701},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.49267464876174927},{"id":"https://openalex.org/C32795469","wikidata":"https://www.wikidata.org/wiki/Q5156430","display_name":"Complementary sequences","level":2,"score":0.4645393192768097},{"id":"https://openalex.org/C2781127089","wikidata":"https://www.wikidata.org/wiki/Q25051821","display_name":"Channel sounding","level":4,"score":0.4447230398654938},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.44414234161376953},{"id":"https://openalex.org/C2778112365","wikidata":"https://www.wikidata.org/wiki/Q3511065","display_name":"Sequence (biology)","level":2,"score":0.4115258455276489},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3830777108669281},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.3529103398323059},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3517628312110901},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.21669501066207886},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.07845795154571533},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.06535398960113525},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/vtc2023-fall60731.2023.10333596","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/vtc2023-fall60731.2023.10333596","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 IEEE 98th Vehicular Technology Conference (VTC2023-Fall)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5600000023841858,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320322108","display_name":"Ministry of Science and Technology","ror":"https://ror.org/032e49973"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":24,"referenced_works":["https://openalex.org/W1968707549","https://openalex.org/W2035192917","https://openalex.org/W2063544430","https://openalex.org/W2066530892","https://openalex.org/W2138706041","https://openalex.org/W2157269574","https://openalex.org/W2158377227","https://openalex.org/W2164153974","https://openalex.org/W2168146473","https://openalex.org/W2530012725","https://openalex.org/W2762340573","https://openalex.org/W2800897465","https://openalex.org/W2907902291","https://openalex.org/W2913392423","https://openalex.org/W2987931045","https://openalex.org/W2999993532","https://openalex.org/W3036852798","https://openalex.org/W3077343890","https://openalex.org/W3158058267","https://openalex.org/W3196257163","https://openalex.org/W4393397067","https://openalex.org/W6638450760","https://openalex.org/W6685247699","https://openalex.org/W6855875630"],"related_works":["https://openalex.org/W2366188968","https://openalex.org/W2024111163","https://openalex.org/W2159772567","https://openalex.org/W2188042986","https://openalex.org/W2539022530","https://openalex.org/W2567502422","https://openalex.org/W2738743879","https://openalex.org/W2187587942","https://openalex.org/W3153911985","https://openalex.org/W2955108753"],"abstract_inverted_index":{"Constant-amplitude":[0],"(CA)":[1],"sequences":[2,36,105,180],"are":[3,38,54,83,130],"efficacious":[4],"in":[5,12,20,51,136],"the":[6,59,88,113,137,150,162],"construction":[7],"of":[8,61,91,169],"multicarrier":[9],"sounding":[10,64],"waveforms":[11,66],"order":[13],"to":[14,57,107,118],"facilitate":[15],"simultaneous":[16],"channel":[17],"estimation":[18],"(SCE)":[19],"uplink":[21],"multiple-input":[22],"multiple-output":[23],"(MIMO)":[24],"orthogonal":[25,170],"frequency":[26],"division":[27],"multiplexing":[28],"(OFDM)":[29],"systems.":[30],"The":[31],"permissible":[32,177],"single-root":[33],"length-N":[34],"Zadoff-Chu":[35,104],"that":[37,149],"cyclically":[39],"shiftable":[40],"with":[41,156],"a":[42],"minimum":[43],"cyclic":[44],"shift":[45],"distance":[46],"(CSD)":[47],"${\\varpi":[48],"_{{\\text{min":[49],"}}}}$":[50],"time":[52],"domain":[53],"widely":[55],"adopted":[56,109,163],"enable":[58,87],"separation":[60],"simultaneously":[62],"received":[63],"OFDM":[65],"and":[67,110],"thus":[68,131],"achieve":[69],"accurate":[70],"SCE":[71,90,114,139,152],"when":[72,161],"at":[73],"most":[74],"$\\left\\lfloor":[75,94],"{N/{\\varpi":[76,95],"_{\\min":[77,96],"}}}":[78,97],"\\right\\rfloor":[79,98],"$":[80,99],"MIMO":[81,100],"channels":[82],"estimated":[84],"simultaneously.":[85],"To":[86],"large-size":[89,138,151],"more":[92],"than":[93],"channels,":[101],"nonorthogonal":[102],"multiple-root":[103],"have":[106],"be":[108,154],"this":[111,124],"degrades":[112],"performance":[115,134],"remarkably":[116],"due":[117],"heavy":[119],"inter-sequence":[120],"interference":[121],"(ISI).":[122],"In":[123],"paper,":[125],"various":[126],"CA":[127,164,179],"sequence":[128,165,171],"families":[129],"investigated":[132],"for":[133],"prevalence":[135],"over":[140],"independent":[141],"Rician":[142],"multipath":[143],"channels.":[144],"It":[145],"is":[146,167],"analytically":[147],"shown":[148],"can":[153],"achieved":[155],"less":[157],"influence":[158],"from":[159],"ISI":[160],"family":[166],"composed":[168],"subfamilies,":[172],"each":[173],"containing":[174],"as":[175,181],"many":[176],"cyclically-shiftable":[178],"possible.":[182]},"counts_by_year":[{"year":2024,"cited_by_count":1}],"updated_date":"2025-12-25T23:11:45.687758","created_date":"2025-10-10T00:00:00"}