{"id":"https://openalex.org/W4407638982","doi":"https://doi.org/10.1109/tccn.2025.3542439","title":"Precoding Design of Beam Squint Compensation for Massive MIMO-OFDM in Non-Terrestrial Networks","display_name":"Precoding Design of Beam Squint Compensation for Massive MIMO-OFDM in Non-Terrestrial Networks","publication_year":2025,"publication_date":"2025-02-17","ids":{"openalex":"https://openalex.org/W4407638982","doi":"https://doi.org/10.1109/tccn.2025.3542439"},"language":"en","primary_location":{"id":"doi:10.1109/tccn.2025.3542439","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tccn.2025.3542439","pdf_url":null,"source":{"id":"https://openalex.org/S2484188435","display_name":"IEEE Transactions on Cognitive Communications and Networking","issn_l":"2332-7731","issn":["2332-7731","2372-2045"],"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Cognitive Communications and Networking","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/A5041632092","display_name":"Shuxun Li","orcid":"https://orcid.org/0000-0002-5863-452X"},"institutions":[{"id":"https://openalex.org/I204983213","display_name":"Harbin Institute of Technology","ror":"https://ror.org/01yqg2h08","country_code":"CN","type":"education","lineage":["https://openalex.org/I204983213"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shuxun Li","raw_affiliation_strings":["School of Electronic and Information Engineering and the China-Chile ICT “Belt and Road” Joint Laboratory, Harbin Institute of Technology, Harbin, China","School of Electronic and Information Engineering, Harbin Institute of Technology, China"],"raw_orcid":"https://orcid.org/0000-0002-5863-452X","affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering and the China-Chile ICT “Belt and Road” Joint Laboratory, Harbin Institute of Technology, Harbin, China","institution_ids":["https://openalex.org/I204983213"]},{"raw_affiliation_string":"School of Electronic and Information Engineering, Harbin Institute of Technology, China","institution_ids":["https://openalex.org/I204983213"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100607349","display_name":"Shuyi Chen","orcid":"https://orcid.org/0000-0002-5169-807X"},"institutions":[{"id":"https://openalex.org/I204983213","display_name":"Harbin Institute of Technology","ror":"https://ror.org/01yqg2h08","country_code":"CN","type":"education","lineage":["https://openalex.org/I204983213"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shuyi Chen","raw_affiliation_strings":["School of Electronic and Information Engineering and the China-Chile ICT “Belt and Road” Joint Laboratory, Harbin Institute of Technology, Harbin, China","School of Electronic and Information Engineering, Harbin Institute of Technology, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering and the China-Chile ICT “Belt and Road” Joint Laboratory, Harbin Institute of Technology, Harbin, China","institution_ids":["https://openalex.org/I204983213"]},{"raw_affiliation_string":"School of Electronic and Information Engineering, Harbin Institute of Technology, China","institution_ids":["https://openalex.org/I204983213"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103265797","display_name":"Dehao Wang","orcid":"https://orcid.org/0000-0001-7089-9953"},"institutions":[{"id":"https://openalex.org/I68581759","display_name":"China Academy of Launch Vehicle Technology","ror":"https://ror.org/012z62f48","country_code":"CN","type":"facility","lineage":["https://openalex.org/I68581759"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dehao Wang","raw_affiliation_strings":["Research and Development Department, China Academy of Launch Vehicle Technology, Beijing, China","China Academy of Launch Vehicle Technology, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0001-7089-9953","affiliations":[{"raw_affiliation_string":"Research and Development Department, China Academy of Launch Vehicle Technology, Beijing, China","institution_ids":["https://openalex.org/I68581759"]},{"raw_affiliation_string":"China Academy of Launch Vehicle Technology, Beijing, China","institution_ids":["https://openalex.org/I68581759"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101940082","display_name":"Weixiao Meng","orcid":"https://orcid.org/0000-0001-8938-2866"},"institutions":[{"id":"https://openalex.org/I204983213","display_name":"Harbin Institute of Technology","ror":"https://ror.org/01yqg2h08","country_code":"CN","type":"education","lineage":["https://openalex.org/I204983213"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weixiao Meng","raw_affiliation_strings":["School of Electronic and Information Engineering and the China-Chile ICT “Belt and Road” Joint Laboratory, Harbin Institute of Technology, Harbin, China","School of Electronic and Information Engineering, Harbin Institute of Technology, China"],"raw_orcid":"https://orcid.org/0000-0001-8938-2866","affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering and the China-Chile ICT “Belt and Road” Joint Laboratory, Harbin Institute of Technology, Harbin, China","institution_ids":["https://openalex.org/I204983213"]},{"raw_affiliation_string":"School of Electronic and Information Engineering, Harbin Institute of Technology, China","institution_ids":["https://openalex.org/I204983213"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2645,"currency":"USD","value_usd":2645},"apc_paid":null,"fwci":1.1464,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.74712156,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":99},"biblio":{"volume":"11","issue":"6","first_page":"3882","last_page":"3897"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9966999888420105,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9966999888420105,"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":0.994700014591217,"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9865000247955322,"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/precoding","display_name":"Precoding","score":0.9280319213867188},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7050135135650635},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6530821919441223},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.5772386789321899},{"id":"https://openalex.org/keywords/compensation","display_name":"Compensation (psychology)","score":0.5395762920379639},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4932493567466736},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.40871137380599976},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.1243928074836731},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.10863330960273743},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.09031075239181519}],"concepts":[{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.9280319213867188},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7050135135650635},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6530821919441223},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.5772386789321899},{"id":"https://openalex.org/C2780023022","wikidata":"https://www.wikidata.org/wiki/Q1338171","display_name":"Compensation (psychology)","level":2,"score":0.5395762920379639},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4932493567466736},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.40871137380599976},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.1243928074836731},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.10863330960273743},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.09031075239181519},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"id":"https://openalex.org/C11171543","wikidata":"https://www.wikidata.org/wiki/Q41630","display_name":"Psychoanalysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tccn.2025.3542439","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tccn.2025.3542439","pdf_url":null,"source":{"id":"https://openalex.org/S2484188435","display_name":"IEEE Transactions on Cognitive Communications and Networking","issn_l":"2332-7731","issn":["2332-7731","2372-2045"],"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Cognitive Communications and Networking","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6600000262260437,"id":"https://metadata.un.org/sdg/13","display_name":"Climate action"}],"awards":[{"id":"https://openalex.org/G6923732160","display_name":null,"funder_award_id":"62271168","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7315342906","display_name":null,"funder_award_id":"62431009","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":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":34,"referenced_works":["https://openalex.org/W2111322952","https://openalex.org/W2889503892","https://openalex.org/W2962703830","https://openalex.org/W2963555336","https://openalex.org/W2982280489","https://openalex.org/W3086751733","https://openalex.org/W3102971715","https://openalex.org/W3156622738","https://openalex.org/W3176327693","https://openalex.org/W3211928809","https://openalex.org/W4206672082","https://openalex.org/W4226403506","https://openalex.org/W4285181159","https://openalex.org/W4285287548","https://openalex.org/W4296425646","https://openalex.org/W4312818293","https://openalex.org/W4316038623","https://openalex.org/W4319303209","https://openalex.org/W4323345758","https://openalex.org/W4362714411","https://openalex.org/W4381331133","https://openalex.org/W4382982764","https://openalex.org/W4384080812","https://openalex.org/W4386361944","https://openalex.org/W4387068130","https://openalex.org/W4387100077","https://openalex.org/W4387303220","https://openalex.org/W4389403254","https://openalex.org/W4389545122","https://openalex.org/W4389610147","https://openalex.org/W4390576635","https://openalex.org/W4394627486","https://openalex.org/W4400351801","https://openalex.org/W4402915523"],"related_works":["https://openalex.org/W2152088989","https://openalex.org/W2756419127","https://openalex.org/W4366493479","https://openalex.org/W2905893439","https://openalex.org/W3135374966","https://openalex.org/W2554517556","https://openalex.org/W2953205382","https://openalex.org/W1994906402","https://openalex.org/W2489379490","https://openalex.org/W2141031289"],"abstract_inverted_index":{"Broadband":[0],"Massive":[1],"Multiple":[2,4],"Input":[3],"Output":[5],"(Massive":[6],"MIMO)":[7],"systems":[8,27],"are":[9,28],"considered":[10],"the":[11,31,40,57,65,68,94,99,103,108,111,119,122,138,141,148,163,169,179,196],"core":[12],"technology":[13],"for":[14,77,80,110,152,168,207],"Non-Terrestrial":[15],"Networks":[16],"(NTNs),":[17],"enabling":[18],"wide-area":[19],"coverage":[20],"and":[21,50,85,106,144],"high-speed":[22],"data":[23],"transmission.":[24],"However,":[25],"these":[26],"limited":[29,187],"by":[30],"beam":[32,41,60,95,112,198],"squint":[33,96,199],"effect,":[34],"which":[35,74],"causes":[36],"frequency-dependent":[37],"shifts":[38],"in":[39,44],"direction,":[42],"resulting":[43],"a":[45,126,133,158],"degradation":[46],"of":[47,52,59,67,102,172],"array":[48,70],"gain":[49],"increase":[51],"inter-beam":[53],"interference.":[54],"To":[55],"mitigate":[56],"impact":[58],"squint,":[61],"traditional":[62],"methods":[63],"adjust":[64,167],"pattern":[66],"antenna":[69,104,128],"using":[71,98,162],"precoding":[72,160,202],"techniques,":[73],"is":[75,204],"unsuitable":[76],"NTN":[78,208],"scenarios":[79],"its":[81],"high":[82],"hardware":[83],"costs":[84],"energy":[86],"consumption.":[87],"In":[88],"this":[89],"work,":[90],"we":[91,131,156],"first":[92],"analyze":[93],"effect":[97],"steering":[100],"vector":[101],"array,":[105],"provide":[107],"solution":[109,120],"pointing":[113,170],"deviation":[114,123,142],"angle.":[115],"We":[116],"then":[117],"generalize":[118],"about":[121],"angle":[124,143],"to":[125,166],"general":[127],"array.":[129],"Next,":[130],"construct":[132],"compensation":[134,164,200],"matrix":[135,165],"based":[136],"on":[137],"correlation":[139],"between":[140],"carrier":[145],"frequency,":[146],"covering":[147],"angular":[149],"adjustment":[150],"information":[151],"all":[153],"subcarriers.":[154,174],"Finally,":[155],"design":[157],"hybrid":[159,201],"method":[161,181,190,203],"deviations":[171],"different":[173],"Simulation":[175],"results":[176],"demonstrate":[177],"that":[178],"proposed":[180,197],"requires":[182],"fewer":[183],"pilot":[184],"resources.":[185],"Under":[186],"pilots,":[188],"our":[189],"achieves":[191],"higher":[192],"spectrum":[193],"efficiency.":[194],"Therefore,":[195],"more":[205],"suitable":[206],"scenarios.":[209]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":1}],"updated_date":"2026-08-21T09:56:20.448147","created_date":"2025-10-10T00:00:00"}