{"id":"https://openalex.org/W4293057997","doi":"https://doi.org/10.1109/vtc2022-spring54318.2022.9860819","title":"Pilot-Aided Channel Estimation Scheme Based on Frank Array for OTFS under Rapidly Time-Varying Channels","display_name":"Pilot-Aided Channel Estimation Scheme Based on Frank Array for OTFS under Rapidly Time-Varying Channels","publication_year":2022,"publication_date":"2022-06-01","ids":{"openalex":"https://openalex.org/W4293057997","doi":"https://doi.org/10.1109/vtc2022-spring54318.2022.9860819"},"language":"en","primary_location":{"id":"doi:10.1109/vtc2022-spring54318.2022.9860819","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtc2022-spring54318.2022.9860819","pdf_url":null,"source":{"id":"https://openalex.org/S4363607744","display_name":"2022 IEEE 95th Vehicular Technology Conference: (VTC2022-Spring)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2022 IEEE 95th Vehicular Technology Conference: (VTC2022-Spring)","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/A5102822968","display_name":"Yu Liang","orcid":"https://orcid.org/0009-0009-2815-3053"},"institutions":[{"id":"https://openalex.org/I4800084","display_name":"Southwest Jiaotong University","ror":"https://ror.org/00hn7w693","country_code":"CN","type":"education","lineage":["https://openalex.org/I4800084"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yu Liang","raw_affiliation_strings":["Southwest Jiaotong University,Information Coding and Transmission Key Lab of Sichuan Province, CSNMT Int. Coop. Res. Centre (MoST),Chengdu,China","Information Coding and Transmission Key Lab of Sichuan Province, CSNMT Int. Coop. Res. Centre (MoST), Southwest Jiaotong University, Chengdu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Southwest Jiaotong University,Information Coding and Transmission Key Lab of Sichuan Province, CSNMT Int. Coop. Res. Centre (MoST),Chengdu,China","institution_ids":["https://openalex.org/I4800084"]},{"raw_affiliation_string":"Information Coding and Transmission Key Lab of Sichuan Province, CSNMT Int. Coop. Res. Centre (MoST), Southwest Jiaotong University, Chengdu, China","institution_ids":["https://openalex.org/I4800084"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030326194","display_name":"Qianli Wang","orcid":"https://orcid.org/0000-0001-5834-2087"},"institutions":[{"id":"https://openalex.org/I4800084","display_name":"Southwest Jiaotong University","ror":"https://ror.org/00hn7w693","country_code":"CN","type":"education","lineage":["https://openalex.org/I4800084"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qianli Wang","raw_affiliation_strings":["Southwest Jiaotong University,Information Coding and Transmission Key Lab of Sichuan Province, CSNMT Int. Coop. Res. Centre (MoST),Chengdu,China","Information Coding and Transmission Key Lab of Sichuan Province, CSNMT Int. Coop. Res. Centre (MoST), Southwest Jiaotong University, Chengdu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Southwest Jiaotong University,Information Coding and Transmission Key Lab of Sichuan Province, CSNMT Int. Coop. Res. Centre (MoST),Chengdu,China","institution_ids":["https://openalex.org/I4800084"]},{"raw_affiliation_string":"Information Coding and Transmission Key Lab of Sichuan Province, CSNMT Int. Coop. Res. Centre (MoST), Southwest Jiaotong University, Chengdu, China","institution_ids":["https://openalex.org/I4800084"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101880047","display_name":"Pingzhi Fan","orcid":"https://orcid.org/0000-0002-8281-6251"},"institutions":[{"id":"https://openalex.org/I4800084","display_name":"Southwest Jiaotong University","ror":"https://ror.org/00hn7w693","country_code":"CN","type":"education","lineage":["https://openalex.org/I4800084"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Pingzhi Fan","raw_affiliation_strings":["Southwest Jiaotong University,Information Coding and Transmission Key Lab of Sichuan Province, CSNMT Int. Coop. Res. Centre (MoST),Chengdu,China","Information Coding and Transmission Key Lab of Sichuan Province, CSNMT Int. Coop. Res. Centre (MoST), Southwest Jiaotong University, Chengdu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Southwest Jiaotong University,Information Coding and Transmission Key Lab of Sichuan Province, CSNMT Int. Coop. Res. Centre (MoST),Chengdu,China","institution_ids":["https://openalex.org/I4800084"]},{"raw_affiliation_string":"Information Coding and Transmission Key Lab of Sichuan Province, CSNMT Int. Coop. Res. Centre (MoST), Southwest Jiaotong University, Chengdu, China","institution_ids":["https://openalex.org/I4800084"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4800084"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11873","display_name":"PAPR reduction in OFDM","score":1.0,"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/T11873","display_name":"PAPR reduction in OFDM","score":1.0,"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/T10232","display_name":"Optical Network Technologies","score":0.9743000268936157,"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/T10767","display_name":"Advanced Photonic Communication Systems","score":0.972000002861023,"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/overhead","display_name":"Overhead (engineering)","score":0.6496459245681763},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6423027515411377},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.5677456259727478},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.555840015411377},{"id":"https://openalex.org/keywords/time-domain","display_name":"Time domain","score":0.5225369930267334},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5143653154373169},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.49747779965400696},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.496737539768219},{"id":"https://openalex.org/keywords/doppler-effect","display_name":"Doppler effect","score":0.4909818470478058},{"id":"https://openalex.org/keywords/transceiver","display_name":"Transceiver","score":0.4584199786186218},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.45707494020462036},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.44093823432922363},{"id":"https://openalex.org/keywords/matrix","display_name":"Matrix (chemical analysis)","score":0.43847522139549255},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.32553040981292725},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.26778069138526917},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.19456827640533447},{"id":"https://openalex.org/keywords/cmos","display_name":"CMOS","score":0.1298862099647522},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.09094959497451782}],"concepts":[{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.6496459245681763},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6423027515411377},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.5677456259727478},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.555840015411377},{"id":"https://openalex.org/C103824480","wikidata":"https://www.wikidata.org/wiki/Q185889","display_name":"Time domain","level":2,"score":0.5225369930267334},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5143653154373169},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.49747779965400696},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.496737539768219},{"id":"https://openalex.org/C142757262","wikidata":"https://www.wikidata.org/wiki/Q76436","display_name":"Doppler effect","level":2,"score":0.4909818470478058},{"id":"https://openalex.org/C7720470","wikidata":"https://www.wikidata.org/wiki/Q954187","display_name":"Transceiver","level":3,"score":0.4584199786186218},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.45707494020462036},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.44093823432922363},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.43847522139549255},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.32553040981292725},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.26778069138526917},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.19456827640533447},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.1298862099647522},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.09094959497451782},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"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/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/vtc2022-spring54318.2022.9860819","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtc2022-spring54318.2022.9860819","pdf_url":null,"source":{"id":"https://openalex.org/S4363607744","display_name":"2022 IEEE 95th Vehicular Technology Conference: (VTC2022-Spring)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2022 IEEE 95th Vehicular Technology Conference: (VTC2022-Spring)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.4099999964237213,"display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1545693521","https://openalex.org/W2612254130","https://openalex.org/W2888002205","https://openalex.org/W2950013137","https://openalex.org/W2951947870","https://openalex.org/W2955784962","https://openalex.org/W2955978416","https://openalex.org/W2962951066","https://openalex.org/W2965496129","https://openalex.org/W2978825329","https://openalex.org/W3040500704","https://openalex.org/W3160738540","https://openalex.org/W3162720643","https://openalex.org/W3164364176","https://openalex.org/W6632647675","https://openalex.org/W6737187475"],"related_works":["https://openalex.org/W2783437851","https://openalex.org/W4249165909","https://openalex.org/W1672137312","https://openalex.org/W1650483958","https://openalex.org/W4240935863","https://openalex.org/W2320869333","https://openalex.org/W2792339401","https://openalex.org/W2530747331","https://openalex.org/W3097525855","https://openalex.org/W2125564215"],"abstract_inverted_index":{"Orthogonal":[0],"time":[1],"frequency":[2],"space":[3],"(OTFS)":[4],"is":[5,38,119],"a":[6,21,30,109],"novel":[7],"scheme":[8,25,134],"to":[9,91],"combat":[10],"the":[11,45,47,65,80,94,127,132,145],"high":[12],"Doppler":[13,103],"effect":[14],"under":[15,144],"time-varying":[16],"channel.":[17],"In":[18,44],"this":[19],"paper,":[20],"pilot-aided":[22],"channel":[23,115],"estimation":[24,104,116],"based":[26,59,100,114],"on":[27,60,79,83,101],"Frank":[28,61],"arrays,":[29],"matrix-form":[31,75],"pilot":[32,95,142],"structure,":[33],"for":[34,40],"multi-antenna":[35,129],"OTFS":[36,130],"systems":[37],"proposed":[39,133],"improving":[41],"spectral":[42],"efficiency.":[43],"scheme,":[46],"pilots":[48,69,76],"in":[49],"delay-Doppler":[50,84],"domain":[51],"are":[52,77,105],"constructed":[53],"as":[54],"several":[55],"approximately":[56],"orthogonal":[57],"matrices":[58],"arrays.":[62],"Different":[63],"from":[64],"existing":[66],"single":[67],"pulse":[68],"and":[70],"one-dimensional":[71],"sequence":[72],"pilots,":[73],"these":[74],"placed":[78],"same":[81,146],"position":[82],"domain,":[85],"using":[86],"code":[87],"division":[88],"multiplexing":[89],"strategy":[90],"deal":[92],"with":[93,108,126],"pollution":[96],"problem.":[97],"Transceiver":[98],"structures":[99],"integer":[102],"proposed,":[106],"together":[107],"simple":[110],"but":[111],"efficient":[112],"threshold":[113],"algorithm.":[117],"It":[118],"shown":[120],"via":[121],"simulation":[122],"results":[123],"that,":[124],"compared":[125],"conventional":[128],"schemes,":[131],"achieves":[135],"better":[136],"NMSE":[137],"performance,":[138],"while":[139],"having":[140],"low":[141],"overhead":[143],"conditions.":[147]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":2}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
