{"id":"https://openalex.org/W4408324637","doi":"https://doi.org/10.1109/globecom52923.2024.10901266","title":"Iterative Channel Estimation for OTFS-based LEO-Sat Communication Using Comb-type ZC Sequences","display_name":"Iterative Channel Estimation for OTFS-based LEO-Sat Communication Using Comb-type ZC Sequences","publication_year":2024,"publication_date":"2024-12-08","ids":{"openalex":"https://openalex.org/W4408324637","doi":"https://doi.org/10.1109/globecom52923.2024.10901266"},"language":"en","primary_location":{"id":"doi:10.1109/globecom52923.2024.10901266","is_oa":false,"landing_page_url":"https://doi.org/10.1109/globecom52923.2024.10901266","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"GLOBECOM 2024 - 2024 IEEE Global Communications Conference","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/A5109372448","display_name":"Hai\u2010Wei Shi","orcid":null},"institutions":[{"id":"https://openalex.org/I4210090176","display_name":"Institute of Computing Technology","ror":"https://ror.org/0090r4d87","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210090176"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haiwei Shi","raw_affiliation_strings":["Institute of Computing Technology, CAS,State Key Lab of Processors,Beijing,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Computing Technology, CAS,State Key Lab of Processors,Beijing,China","institution_ids":["https://openalex.org/I4210090176"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100754894","display_name":"Xing Wang","orcid":"https://orcid.org/0000-0002-7176-7036"},"institutions":[{"id":"https://openalex.org/I4210090176","display_name":"Institute of Computing Technology","ror":"https://ror.org/0090r4d87","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210090176"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wang Xing","raw_affiliation_strings":["Institute of Computing Technology, CAS,State Key Lab of Processors,Beijing,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Computing Technology, CAS,State Key Lab of Processors,Beijing,China","institution_ids":["https://openalex.org/I4210090176"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040456231","display_name":"Yiqing Zhou","orcid":"https://orcid.org/0000-0002-4553-5207"},"institutions":[{"id":"https://openalex.org/I4210090176","display_name":"Institute of Computing Technology","ror":"https://ror.org/0090r4d87","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210090176"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yiqing Zhou","raw_affiliation_strings":["Institute of Computing Technology, CAS,State Key Lab of Processors,Beijing,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Computing Technology, CAS,State Key Lab of Processors,Beijing,China","institution_ids":["https://openalex.org/I4210090176"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035053309","display_name":"Y. Zhang","orcid":"https://orcid.org/0000-0002-0157-188X"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yu Zhang","raw_affiliation_strings":["Tsinghua University,Department of Electronic Engineering,Beijing,China,100084"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tsinghua University,Department of Electronic Engineering,Beijing,China,100084","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076863723","display_name":"Shuo Zhou","orcid":"https://orcid.org/0000-0002-8069-2814"},"institutions":[{"id":"https://openalex.org/I4210090176","display_name":"Institute of Computing Technology","ror":"https://ror.org/0090r4d87","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210090176"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shuo Zhou","raw_affiliation_strings":["Institute of Computing Technology, CAS,State Key Lab of Processors,Beijing,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Computing Technology, CAS,State Key Lab of Processors,Beijing,China","institution_ids":["https://openalex.org/I4210090176"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5089817985","display_name":"Jinglin Shi","orcid":null},"institutions":[{"id":"https://openalex.org/I4210090176","display_name":"Institute of Computing Technology","ror":"https://ror.org/0090r4d87","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210090176"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jinglin Shi","raw_affiliation_strings":["Institute of Computing Technology, CAS,State Key Lab of Processors,Beijing,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Computing Technology, CAS,State Key Lab of Processors,Beijing,China","institution_ids":["https://openalex.org/I4210090176"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"4902","last_page":"4907"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11873","display_name":"PAPR reduction in OFDM","score":0.9991999864578247,"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":0.9991999864578247,"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":0.9934999942779541,"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":0.978600025177002,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.619182825088501},{"id":"https://openalex.org/keywords/comb-filter","display_name":"Comb filter","score":0.613113284111023},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5818533301353455},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.49285268783569336},{"id":"https://openalex.org/keywords/type","display_name":"Type (biology)","score":0.482030987739563},{"id":"https://openalex.org/keywords/iterative-method","display_name":"Iterative method","score":0.4443286061286926},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.19938257336616516},{"id":"https://openalex.org/keywords/biology","display_name":"Biology","score":0.08794349431991577},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.08158436417579651}],"concepts":[{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.619182825088501},{"id":"https://openalex.org/C105303287","wikidata":"https://www.wikidata.org/wiki/Q936692","display_name":"Comb filter","level":3,"score":0.613113284111023},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5818533301353455},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.49285268783569336},{"id":"https://openalex.org/C2777299769","wikidata":"https://www.wikidata.org/wiki/Q3707858","display_name":"Type (biology)","level":2,"score":0.482030987739563},{"id":"https://openalex.org/C159694833","wikidata":"https://www.wikidata.org/wiki/Q2321565","display_name":"Iterative method","level":2,"score":0.4443286061286926},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.19938257336616516},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.08794349431991577},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.08158436417579651},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/globecom52923.2024.10901266","is_oa":false,"landing_page_url":"https://doi.org/10.1109/globecom52923.2024.10901266","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"GLOBECOM 2024 - 2024 IEEE Global Communications Conference","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320327777","display_name":"Jiangsu Provincial Key Research and Development Program","ror":null},{"id":"https://openalex.org/F4320334111","display_name":"Innovation Fund","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W2099486881","https://openalex.org/W2138706041","https://openalex.org/W2612254130","https://openalex.org/W2888002205","https://openalex.org/W2899406779","https://openalex.org/W2941952695","https://openalex.org/W2942993434","https://openalex.org/W2962951066","https://openalex.org/W2978825329","https://openalex.org/W3120881540","https://openalex.org/W3172410657","https://openalex.org/W3189209457","https://openalex.org/W4387068085","https://openalex.org/W4387869835","https://openalex.org/W4389542532","https://openalex.org/W4392158866","https://openalex.org/W6674632333"],"related_works":["https://openalex.org/W2051487156","https://openalex.org/W2073681303","https://openalex.org/W2053286651","https://openalex.org/W2181743346","https://openalex.org/W2187401768","https://openalex.org/W2181413294","https://openalex.org/W2052122378","https://openalex.org/W2544423928","https://openalex.org/W2062023542","https://openalex.org/W4313731559"],"abstract_inverted_index":{"In":[0,32],"low":[1,81,154],"earth":[2],"orbit":[3],"satellite":[4],"(LEO-Sat)":[5],"communication":[6],"systems":[7],"based":[8,40,89,113],"on":[9,90],"orthogonal":[10],"time":[11,158],"frequency":[12],"space":[13],"(OTFS)":[14],"modulation,":[15],"existing":[16],"channel":[17,114,150],"estimation":[18,115,135,151],"methods":[19],"usually":[20],"use":[21],"high-power":[22],"pilots,":[23],"leading":[24],"to":[25,104],"a":[26,37],"high":[27],"peak-to-average":[28],"power":[29,67,74,93,102],"ratio":[30],"(PAPR).":[31],"this":[33],"paper,":[34],"we":[35,99],"propose":[36],"comb-type":[38],"pilot":[39],"frame":[41],"structure":[42],"by":[43,120],"inserting":[44],"multiple":[45],"identical":[46],"Zadoff-Chu":[47],"(ZC)":[48],"sequences":[49,56],"along":[50],"the":[51,63,73,84,87,91,96,101,106,128,144,157],"Doppler":[52],"dimension.":[53,65],"The":[54,66],"ZC":[55],"are":[57],"arranged":[58],"at":[59,83],"equal":[60],"intervals":[61],"in":[62,156],"delay":[64],"of":[68,75,95],"pilots":[69],"is":[70,117],"consistent":[71],"with":[72,153],"data":[76,121,129],"symbols,":[77],"which":[78],"can":[79,131,137,147],"achieve":[80,148],"PAPR":[82,155],"transmitter.":[85],"At":[86],"receiver,":[88],"analyzed":[92],"distribution":[94],"correlation":[97],"function,":[98],"derive":[100],"threshold":[103],"identify":[105],"received":[107],"pilots.":[108],"Then,":[109],"an":[110],"iterative":[111],"ZC-sequences":[112],"algorithm":[116],"proposed":[118,145],"aided":[119],"detection":[122],"and":[123,134],"interference":[124,130],"cancellation.":[125],"Through":[126],"iterations,":[127],"be":[132,138],"alleviated":[133],"accuracy":[136],"improved.":[139],"Simulation":[140],"results":[141],"demonstrate":[142],"that":[143],"scheme":[146],"superior":[149],"performance":[152],"domain.":[159]},"counts_by_year":[{"year":2025,"cited_by_count":2}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
