{"id":"https://openalex.org/W4399412438","doi":"https://doi.org/10.1109/lcomm.2024.3410268","title":"Iterative Channel Estimation for OTFS Systems Based on Low-PAPR Hybrid Superimposed Pilots","display_name":"Iterative Channel Estimation for OTFS Systems Based on Low-PAPR Hybrid Superimposed Pilots","publication_year":2024,"publication_date":"2024-06-06","ids":{"openalex":"https://openalex.org/W4399412438","doi":"https://doi.org/10.1109/lcomm.2024.3410268"},"language":"en","primary_location":{"id":"doi:10.1109/lcomm.2024.3410268","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2024.3410268","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"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 Communications Letters","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/A5090802735","display_name":"Maowu Zhou","orcid":"https://orcid.org/0000-0002-3904-7872"},"institutions":[{"id":"https://openalex.org/I90610280","display_name":"South China University of Technology","ror":"https://ror.org/0530pts50","country_code":"CN","type":"education","lineage":["https://openalex.org/I90610280"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Maowu Zhou","raw_affiliation_strings":["School of Electronic and Information Engineering, South China University of Technology, Guangzhou, China"],"raw_orcid":"https://orcid.org/0000-0002-3904-7872","affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, South China University of Technology, Guangzhou, China","institution_ids":["https://openalex.org/I90610280"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058218225","display_name":"Fangjiong Chen","orcid":"https://orcid.org/0000-0003-1031-492X"},"institutions":[{"id":"https://openalex.org/I90610280","display_name":"South China University of Technology","ror":"https://ror.org/0530pts50","country_code":"CN","type":"education","lineage":["https://openalex.org/I90610280"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fangjiong Chen","raw_affiliation_strings":["School of Electronic and Information Engineering, South China University of Technology, Guangzhou, China"],"raw_orcid":"https://orcid.org/0000-0003-1031-492X","affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, South China University of Technology, Guangzhou, China","institution_ids":["https://openalex.org/I90610280"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005656538","display_name":"Hua Yu","orcid":"https://orcid.org/0000-0002-0231-2978"},"institutions":[{"id":"https://openalex.org/I90610280","display_name":"South China University of Technology","ror":"https://ror.org/0530pts50","country_code":"CN","type":"education","lineage":["https://openalex.org/I90610280"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hua Yu","raw_affiliation_strings":["School of Electronic and Information Engineering, South China University of Technology, Guangzhou, China"],"raw_orcid":"https://orcid.org/0000-0002-0231-2978","affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, South China University of Technology, Guangzhou, China","institution_ids":["https://openalex.org/I90610280"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101265672","display_name":"Jianxian Lu","orcid":null},"institutions":[{"id":"https://openalex.org/I4210136246","display_name":"China Telecom (China)","ror":"https://ror.org/03jgnzt20","country_code":"CN","type":"company","lineage":["https://openalex.org/I4210136246"]},{"id":"https://openalex.org/I4387153335","display_name":"China Telecom","ror":"https://ror.org/05p67dv18","country_code":null,"type":"company","lineage":["https://openalex.org/I4387153335"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianxian Lu","raw_affiliation_strings":["China Telecom Guangdong Corporation, Guangzhou, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"China Telecom Guangdong Corporation, Guangzhou, China","institution_ids":["https://openalex.org/I4210136246","https://openalex.org/I4387153335"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.4036,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.80103054,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":"28","issue":"8","first_page":"1939","last_page":"1943"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11873","display_name":"PAPR reduction in OFDM","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/T11873","display_name":"PAPR reduction in OFDM","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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9944999814033508,"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/T11248","display_name":"Advanced Power Amplifier Design","score":0.9939000010490417,"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/computer-science","display_name":"Computer science","score":0.6614124178886414},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5971037149429321},{"id":"https://openalex.org/keywords/iterative-method","display_name":"Iterative method","score":0.5012776851654053},{"id":"https://openalex.org/keywords/estimation","display_name":"Estimation","score":0.4298862814903259},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.4248805642127991},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4079940915107727},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3631879985332489},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3552906811237335},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3437994420528412},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.12706226110458374}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6614124178886414},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5971037149429321},{"id":"https://openalex.org/C159694833","wikidata":"https://www.wikidata.org/wiki/Q2321565","display_name":"Iterative method","level":2,"score":0.5012776851654053},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.4298862814903259},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.4248805642127991},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4079940915107727},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3631879985332489},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3552906811237335},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3437994420528412},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.12706226110458374},{"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/lcomm.2024.3410268","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2024.3410268","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"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 Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.6800000071525574,"id":"https://metadata.un.org/sdg/7"}],"awards":[{"id":"https://openalex.org/G2935957626","display_name":null,"funder_award_id":"62192712","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4312668109","display_name":null,"funder_award_id":"2024A1515011107","funder_id":"https://openalex.org/F4320337111","funder_display_name":"Basic and Applied Basic Research Foundation of Guangdong Province"},{"id":"https://openalex.org/G4526937588","display_name":null,"funder_award_id":"62271208","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7540231159","display_name":null,"funder_award_id":"JCKYS2022604SSJS007","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320337111","display_name":"Basic and Applied Basic Research Foundation of Guangdong Province","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W1998454576","https://openalex.org/W2612254130","https://openalex.org/W2899406779","https://openalex.org/W2908111164","https://openalex.org/W2959798886","https://openalex.org/W2962951066","https://openalex.org/W3172410657","https://openalex.org/W3200021459","https://openalex.org/W3204256014","https://openalex.org/W4297310172","https://openalex.org/W4297310221","https://openalex.org/W4317418944","https://openalex.org/W4319338449","https://openalex.org/W4376480865","https://openalex.org/W4381748143"],"related_works":["https://openalex.org/W2576994247","https://openalex.org/W2608353378","https://openalex.org/W4249206767","https://openalex.org/W2563559453","https://openalex.org/W2382330008","https://openalex.org/W1519970947","https://openalex.org/W4243860260","https://openalex.org/W4383503847","https://openalex.org/W2342695897","https://openalex.org/W2216265843"],"abstract_inverted_index":{"Traditional":[0],"superimposed":[1,6,35],"single":[2],"pilot":[3,8,13,53,78,133],"(SSIP)":[4],"and":[5,54,99,130,141],"sparse":[7],"(SSPP)":[9],"schemes":[10,135],"require":[11,126],"high-power":[12,51],"symbols":[14],"for":[15,39],"channel":[16,66,97,118],"estimation,":[17],"leading":[18],"to":[19,81,105,115],"a":[20,32,50,63,127],"high":[21],"peak-to-average":[22],"power":[23],"ratio":[24,139],"(PAPR).":[25],"To":[26],"tackle":[27],"this":[28],"problem,":[29],"we":[30],"develop":[31],"new":[33],"hybrid":[34],"pilots":[36],"(HSP)":[37],"structure":[38],"orthogonal":[40],"time":[41],"frequency":[42],"space":[43],"modulation":[44],"(OTFS)":[45],"systems,":[46],"which":[47],"consist":[48],"of":[49],"center":[52,77],"low-power":[55],"edge":[56],"pilots.":[57],"Based":[58],"on":[59],"the":[60,73,76,83,87,92,95,106,117],"HSP":[61],"structure,":[62],"two-stage":[64],"iterative":[65],"estimation":[67],"(TSICE)":[68],"algorithm":[69,123],"is":[70,79],"developed.":[71],"In":[72,91],"first":[74],"stage,":[75,94],"exploited":[80],"estimate":[82],"delay/Doppler":[84],"taps":[85],"in":[86,136],"delay-Doppler":[88],"(DD)":[89],"domain.":[90],"second":[93],"multi-path":[96],"gains":[98],"transmitted":[100],"data":[101],"are":[102,112],"calculated":[103],"according":[104],"estimated":[107],"taps.":[108],"The":[109,120],"two":[110],"stages":[111],"iteratively":[113],"applied":[114],"refine":[116],"estimation.":[119],"proposed":[121],"TSICE":[122],"does":[124],"not":[125],"pre-set":[128],"threshold,":[129],"outperforms":[131],"other":[132],"deployment":[134],"bit":[137],"error":[138],"(BER)":[140],"PAPR":[142],"performance.":[143],"Simulation":[144],"results":[145],"give":[146],"some":[147],"illustrative":[148],"examples.":[149]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":7},{"year":2024,"cited_by_count":2}],"updated_date":"2026-07-15T18:14:33.161393","created_date":"2025-10-10T00:00:00"}