{"id":"https://openalex.org/W3088373859","doi":"https://doi.org/10.1109/tcomm.2020.3025294","title":"Reducing Pilot Overhead: Channel Estimation With Symbol Repetition in MIMO-FBMC Systems","display_name":"Reducing Pilot Overhead: Channel Estimation With Symbol Repetition in MIMO-FBMC Systems","publication_year":2020,"publication_date":"2020-09-21","ids":{"openalex":"https://openalex.org/W3088373859","doi":"https://doi.org/10.1109/tcomm.2020.3025294","mag":"3088373859"},"language":"en","primary_location":{"id":"doi:10.1109/tcomm.2020.3025294","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2020.3025294","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"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 Transactions on Communications","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/A5066651125","display_name":"Dejin Kong","orcid":null},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]},{"id":"https://openalex.org/I4210119942","display_name":"Wuhan Textile University","ror":"https://ror.org/02jgsf398","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210119942"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Dejin Kong","raw_affiliation_strings":["School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China","State Key Laboratory of New Textile Materials and Advanced Processing Technologies, School of Electronic and Electrical Engineering, Wuhan Textile University, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]},{"raw_affiliation_string":"State Key Laboratory of New Textile Materials and Advanced Processing Technologies, School of Electronic and Electrical Engineering, Wuhan Textile University, Wuhan, China","institution_ids":["https://openalex.org/I4210119942"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100402609","display_name":"Jian Li","orcid":"https://orcid.org/0000-0003-3439-7539"},"institutions":[{"id":"https://openalex.org/I4210119942","display_name":"Wuhan Textile University","ror":"https://ror.org/02jgsf398","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210119942"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jian Li","raw_affiliation_strings":["School of Electronic and Electrical Engineering, Wuhan Textile University, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic and Electrical Engineering, Wuhan Textile University, Wuhan, China","institution_ids":["https://openalex.org/I4210119942"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060943605","display_name":"Kai Luo","orcid":"https://orcid.org/0000-0001-6989-7248"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]},{"id":"https://openalex.org/I4210138186","display_name":"Wuhan National Laboratory for Optoelectronics","ror":"https://ror.org/03c9ncn37","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210138186"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kai Luo","raw_affiliation_strings":["Wuhan National Laboratory for Optoelectronics and the School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"Wuhan National Laboratory for Optoelectronics and the School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I4210138186","https://openalex.org/I47720641"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100678341","display_name":"Tao Jiang","orcid":"https://orcid.org/0000-0002-8482-1046"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]},{"id":"https://openalex.org/I4210138186","display_name":"Wuhan National Laboratory for Optoelectronics","ror":"https://ror.org/03c9ncn37","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210138186"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tao Jiang","raw_affiliation_strings":["Wuhan National Laboratory for Optoelectronics and the School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"Wuhan National Laboratory for Optoelectronics and the School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I4210138186","https://openalex.org/I47720641"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5066651125"],"corresponding_institution_ids":["https://openalex.org/I4210119942","https://openalex.org/I47720641"],"apc_list":null,"apc_paid":null,"fwci":2.0549,"has_fulltext":false,"cited_by_count":26,"citation_normalized_percentile":{"value":0.87314535,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"68","issue":"12","first_page":"7634","last_page":"7646"},"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"}}],"keywords":[{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.803032636642456},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.7005912065505981},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.6618571281433105},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5895702838897705},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.5879574418067932},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5795714259147644},{"id":"https://openalex.org/keywords/filter-bank","display_name":"Filter bank","score":0.4914206266403198},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.46446412801742554},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.45066511631011963},{"id":"https://openalex.org/keywords/mimo-ofdm","display_name":"MIMO-OFDM","score":0.44356489181518555},{"id":"https://openalex.org/keywords/frequency-division-multiplexing","display_name":"Frequency-division multiplexing","score":0.4168608784675598},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.41009950637817383},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2794865369796753},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2715877890586853},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.17761492729187012}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.803032636642456},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.7005912065505981},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.6618571281433105},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5895702838897705},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.5879574418067932},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5795714259147644},{"id":"https://openalex.org/C100515483","wikidata":"https://www.wikidata.org/wiki/Q3268235","display_name":"Filter bank","level":3,"score":0.4914206266403198},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.46446412801742554},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.45066511631011963},{"id":"https://openalex.org/C130946814","wikidata":"https://www.wikidata.org/wiki/Q5988271","display_name":"MIMO-OFDM","level":4,"score":0.44356489181518555},{"id":"https://openalex.org/C89061704","wikidata":"https://www.wikidata.org/wiki/Q5555726","display_name":"Frequency-division multiplexing","level":4,"score":0.4168608784675598},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.41009950637817383},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2794865369796753},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2715877890586853},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.17761492729187012},{"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/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcomm.2020.3025294","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2020.3025294","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"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 Transactions on Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6200000047683716,"id":"https://metadata.un.org/sdg/8","display_name":"Decent work and economic growth"}],"awards":[{"id":"https://openalex.org/G1535123034","display_name":null,"funder_award_id":"61831083","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2162703783","display_name":null,"funder_award_id":"62001333","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5959693143","display_name":null,"funder_award_id":"61771216","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"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":40,"referenced_works":["https://openalex.org/W1485647999","https://openalex.org/W1964793896","https://openalex.org/W1969067747","https://openalex.org/W1979646729","https://openalex.org/W2017854734","https://openalex.org/W2024046988","https://openalex.org/W2027073385","https://openalex.org/W2032372805","https://openalex.org/W2041003787","https://openalex.org/W2043402341","https://openalex.org/W2060826581","https://openalex.org/W2073618403","https://openalex.org/W2076236188","https://openalex.org/W2098126478","https://openalex.org/W2102849243","https://openalex.org/W2115766491","https://openalex.org/W2117472877","https://openalex.org/W2130695691","https://openalex.org/W2131292969","https://openalex.org/W2133771286","https://openalex.org/W2134546549","https://openalex.org/W2137942850","https://openalex.org/W2158775948","https://openalex.org/W2168890544","https://openalex.org/W2190241961","https://openalex.org/W2406076180","https://openalex.org/W2426201960","https://openalex.org/W2546646073","https://openalex.org/W2621345802","https://openalex.org/W2801215145","https://openalex.org/W2804128210","https://openalex.org/W2911693595","https://openalex.org/W2959798886","https://openalex.org/W2963512414","https://openalex.org/W3004531203","https://openalex.org/W3028395677","https://openalex.org/W3110287152","https://openalex.org/W6628935907","https://openalex.org/W6778135637","https://openalex.org/W6786572428"],"related_works":["https://openalex.org/W2366188968","https://openalex.org/W2159772567","https://openalex.org/W1964793896","https://openalex.org/W2188042986","https://openalex.org/W2539022530","https://openalex.org/W2738743879","https://openalex.org/W2187587942","https://openalex.org/W2045896346","https://openalex.org/W2410705835","https://openalex.org/W294051182"],"abstract_inverted_index":{"In":[0],"this":[1],"article,":[2],"we":[3,41,69,162],"aim":[4],"to":[5,106,177],"reduce":[6],"the":[7,29,32,77,91,95,98,103,107,112,130,143,156,159,165],"pilot":[8,92,139],"overhead":[9],"of":[10,31,34,57,86,97,138,158],"channel":[11,73,108,114],"estimation":[12,74,115],"in":[13,37,50,61,76,102,136],"multiple":[14,16],"input":[15],"output":[17],"(MIMO)":[18],"systems":[19,64,122],"employing":[20],"filter":[21],"bank":[22],"multicarrier":[23],"(FBMC).":[24],"The":[25],"key":[26],"idea":[27],"is":[28,127],"employment":[30],"concept":[33],"symbol":[35],"repetition":[36,100],"frame":[38],"structure.":[39],"Firstly,":[40],"propose":[42],"an":[43],"MIMO-FBMC":[44,63,80,121],"system":[45,81],"based":[46,79],"on":[47],"block":[48,66,99,124],"repetition,":[49],"which":[51],"complex-valued":[52],"symbols":[53,60,87],"are":[54,88,117],"transmitted":[55],"instead":[56],"only":[58,83],"real-valued":[59],"classic":[62,120],"without":[65,123],"repetition.":[67,125],"Then,":[68,111],"present":[70],"two":[71,84,113],"low-overhead":[72],"approaches":[75,116],"block-repetition":[78],"and":[82,149,170,182],"columns":[85],"required":[89],"as":[90],"overhead.":[93],"However,":[94],"existence":[96],"results":[101],"increased":[104],"sensitively":[105],"coherence":[109],"time.":[110],"extended":[118],"into":[119],"It":[126],"proved":[128],"that,":[129],"proposed":[131,160],"methods":[132],"exhibit":[133],"significant":[134],"advantage":[135],"terms":[137],"overhead,":[140],"compared":[141],"with":[142,175],"conventional":[144],"interference":[145],"approximation":[146],"method":[147],"(IAM)":[148],"frequency-division":[150],"multiplexing":[151],"(FDM)":[152],"methods.":[153],"To":[154],"evaluate":[155],"performances":[157],"approaches,":[161],"also":[163],"derive":[164],"Cram\u00e9r-Rao":[166],"Bound":[167],"(CRB)":[168],"bound,":[169],"carry":[171],"out":[172],"numerical":[173],"summations":[174],"respects":[176],"both":[178],"mean":[179],"square":[180],"error":[181,184],"bit":[183],"ratio":[185],"metrics.":[186]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":7},{"year":2021,"cited_by_count":7},{"year":2020,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}