{"id":"https://openalex.org/W4385299602","doi":"https://doi.org/10.1109/lwc.2023.3299414","title":"Joint Channel Estimation and Equalization in Massive MIMO Using a Single Pilot Subcarrier","display_name":"Joint Channel Estimation and Equalization in Massive MIMO Using a Single Pilot Subcarrier","publication_year":2023,"publication_date":"2023-07-27","ids":{"openalex":"https://openalex.org/W4385299602","doi":"https://doi.org/10.1109/lwc.2023.3299414"},"language":"en","primary_location":{"id":"doi:10.1109/lwc.2023.3299414","is_oa":true,"landing_page_url":"https://doi.org/10.1109/lwc.2023.3299414","pdf_url":"https://ieeexplore.ieee.org/ielx7/5962382/6065724/10195975.pdf","source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Wireless Communications Letters","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://ieeexplore.ieee.org/ielx7/5962382/6065724/10195975.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5065419023","display_name":"Danilo Lelin Li","orcid":"https://orcid.org/0000-0003-4239-6288"},"institutions":[{"id":"https://openalex.org/I205274468","display_name":"Trinity College Dublin","ror":"https://ror.org/02tyrky19","country_code":"IE","type":"education","lineage":["https://openalex.org/I205274468"]}],"countries":["IE"],"is_corresponding":true,"raw_author_name":"Danilo Lelin Li","raw_affiliation_strings":["Department of Electronic and Electrical Engineering, Trinity College Dublin, Dublin 2, Ireland"],"affiliations":[{"raw_affiliation_string":"Department of Electronic and Electrical Engineering, Trinity College Dublin, Dublin 2, Ireland","institution_ids":["https://openalex.org/I205274468"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5062447690","display_name":"Arman Farhang","orcid":"https://orcid.org/0000-0003-2083-1162"},"institutions":[{"id":"https://openalex.org/I205274468","display_name":"Trinity College Dublin","ror":"https://ror.org/02tyrky19","country_code":"IE","type":"education","lineage":["https://openalex.org/I205274468"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"Arman Farhang","raw_affiliation_strings":["Department of Electronic and Electrical Engineering, Trinity College Dublin, Dublin 2, Ireland"],"affiliations":[{"raw_affiliation_string":"Department of Electronic and Electrical Engineering, Trinity College Dublin, Dublin 2, Ireland","institution_ids":["https://openalex.org/I205274468"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5065419023"],"corresponding_institution_ids":["https://openalex.org/I205274468"],"apc_list":null,"apc_paid":null,"fwci":0.6694,"has_fulltext":true,"cited_by_count":5,"citation_normalized_percentile":{"value":0.68448294,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"12","issue":"11","first_page":"1931","last_page":"1935"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","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/T10125","display_name":"Advanced Wireless Communication Techniques","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/T10148","display_name":"Advanced MIMO Systems Optimization","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/T10575","display_name":"Wireless Communication Networks Research","score":0.9995999932289124,"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/subcarrier","display_name":"Subcarrier","score":0.9017000198364258},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.743449866771698},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.7002592086791992},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6903071403503418},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5420547127723694},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.5165659189224243},{"id":"https://openalex.org/keywords/mimo-ofdm","display_name":"MIMO-OFDM","score":0.4763529300689697},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.45974403619766235},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.45877206325531006},{"id":"https://openalex.org/keywords/equalization","display_name":"Equalization (audio)","score":0.44652417302131653},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.42085713148117065},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.30425524711608887},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.14625123143196106}],"concepts":[{"id":"https://openalex.org/C198329298","wikidata":"https://www.wikidata.org/wiki/Q586358","display_name":"Subcarrier","level":4,"score":0.9017000198364258},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.743449866771698},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.7002592086791992},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6903071403503418},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5420547127723694},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.5165659189224243},{"id":"https://openalex.org/C130946814","wikidata":"https://www.wikidata.org/wiki/Q5988271","display_name":"MIMO-OFDM","level":4,"score":0.4763529300689697},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.45974403619766235},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.45877206325531006},{"id":"https://openalex.org/C75755367","wikidata":"https://www.wikidata.org/wiki/Q104531076","display_name":"Equalization (audio)","level":3,"score":0.44652417302131653},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.42085713148117065},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.30425524711608887},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.14625123143196106},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lwc.2023.3299414","is_oa":true,"landing_page_url":"https://doi.org/10.1109/lwc.2023.3299414","pdf_url":"https://ieeexplore.ieee.org/ielx7/5962382/6065724/10195975.pdf","source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Wireless Communications Letters","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1109/lwc.2023.3299414","is_oa":true,"landing_page_url":"https://doi.org/10.1109/lwc.2023.3299414","pdf_url":"https://ieeexplore.ieee.org/ielx7/5962382/6065724/10195975.pdf","source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Wireless Communications Letters","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3911718876","display_name":null,"funder_award_id":"19/FFP/7005(T)","funder_id":"https://openalex.org/F4320320847","funder_display_name":"Science Foundation Ireland"},{"id":"https://openalex.org/G6254768749","display_name":null,"funder_award_id":"21/US/3757","funder_id":"https://openalex.org/F4320320847","funder_display_name":"Science Foundation Ireland"}],"funders":[{"id":"https://openalex.org/F4320320847","display_name":"Science Foundation Ireland","ror":"https://ror.org/0271asj38"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4385299602.pdf","grobid_xml":"https://content.openalex.org/works/W4385299602.grobid-xml"},"referenced_works_count":10,"referenced_works":["https://openalex.org/W588135687","https://openalex.org/W2092734317","https://openalex.org/W2105392125","https://openalex.org/W2320918358","https://openalex.org/W2768896494","https://openalex.org/W2963508491","https://openalex.org/W2966932878","https://openalex.org/W2980448714","https://openalex.org/W3138744258","https://openalex.org/W3190091407"],"related_works":["https://openalex.org/W2055131418","https://openalex.org/W1501039677","https://openalex.org/W3161598161","https://openalex.org/W2306672848","https://openalex.org/W2128552819","https://openalex.org/W4291701075","https://openalex.org/W4226210996","https://openalex.org/W2058282382","https://openalex.org/W2366188968","https://openalex.org/W2592900877"],"abstract_inverted_index":{"The":[0],"focus":[1],"of":[2,9,48,53,67,136,158],"this":[3,116],"letter":[4],"is":[5],"on":[6],"the":[7,10,43,54,73,83,102,125,141,147,155],"reduction":[8],"large":[11],"pilot":[12,40,44,99],"overhead":[13,45],"in":[14,111],"orthogonal":[15],"frequency":[16,75,137],"division":[17],"multiplexing":[18],"(OFDM)":[19],"based":[20],"massive":[21],"multiple-input":[22],"multiple-output":[23],"(MIMO)":[24],"systems.":[25],"We":[26,50],"propose":[27],"a":[28,65,79,112],"novel":[29],"joint":[30],"channel":[31,74,104,121],"estimation":[32,105],"and":[33,92,106,139],"equalization":[34,107],"technique":[35,161],"that":[36],"requires":[37],"only":[38],"one":[39],"subcarrier,":[41],"reducing":[42],"by":[46],"orders":[47],"magnitude.":[49],"take":[51,134],"advantage":[52,135],"coherence":[55],"bandwidth":[56],"spanning":[57],"over":[58],"multiple":[59,120],"subcarrier":[60],"bands.":[61],"This":[62,130],"allows":[63,131],"for":[64],"band":[66],"subcarriers":[68],"to":[69,123,133,163],"be":[70,109],"equalized":[71],"with":[72],"response":[76],"(CFR)":[77],"at":[78,127],"single":[80],"subcarrier.":[81,129],"Subsequently,":[82],"detected":[84],"data":[85,126],"symbols":[86],"are":[87,95],"considered":[88],"as":[89],"virtual":[90],"pilots,":[91],"their":[93],"CFRs":[94],"updated":[96],"without":[97],"additional":[98],"overhead.":[100],"Thereafter,":[101],"remaining":[103],"can":[108],"performed":[110],"sliding":[113],"manner.":[114],"With":[115],"approach,":[117],"we":[118,145],"use":[119],"estimates":[122],"equalize":[124],"each":[128],"us":[132],"diversity":[138],"improve":[140],"detection":[142],"performance.":[143],"Finally,":[144],"corroborate":[146],"above":[148],"claims":[149],"through":[150],"extensive":[151],"numerical":[152],"analysis,":[153],"showing":[154],"superior":[156],"performance":[157],"our":[159],"proposed":[160],"compared":[162],"conventional":[164],"methods.":[165]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
