{"id":"https://openalex.org/W7125610910","doi":"https://doi.org/10.1109/tvt.2026.3657517","title":"Channel Estimation in Carrier Aggregation Systems by Leveraging Sensing and Channel Correlation","display_name":"Channel Estimation in Carrier Aggregation Systems by Leveraging Sensing and Channel Correlation","publication_year":2026,"publication_date":"2026-01-23","ids":{"openalex":"https://openalex.org/W7125610910","doi":"https://doi.org/10.1109/tvt.2026.3657517"},"language":null,"primary_location":{"id":"doi:10.1109/tvt.2026.3657517","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2026.3657517","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"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 Vehicular Technology","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/A5069520003","display_name":"Chaojin Qing","orcid":"https://orcid.org/0000-0002-8089-3181"},"institutions":[{"id":"https://openalex.org/I102345215","display_name":"Xihua University","ror":"https://ror.org/04gwtvf26","country_code":"CN","type":"education","lineage":["https://openalex.org/I102345215"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chaojin Qing","raw_affiliation_strings":["School of Electrical Engineering and Electronic Information, Xihua University, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0002-8089-3181","affiliations":[{"raw_affiliation_string":"School of Electrical Engineering and Electronic Information, Xihua University, Chengdu, China","institution_ids":["https://openalex.org/I102345215"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023449883","display_name":"Wenquan Hu","orcid":null},"institutions":[{"id":"https://openalex.org/I102345215","display_name":"Xihua University","ror":"https://ror.org/04gwtvf26","country_code":"CN","type":"education","lineage":["https://openalex.org/I102345215"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wenquan Hu","raw_affiliation_strings":["School of Electrical Engineering and Electronic Information, Xihua University, Chengdu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering and Electronic Information, Xihua University, Chengdu, China","institution_ids":["https://openalex.org/I102345215"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020624003","display_name":"Zhiying Liu","orcid":"https://orcid.org/0000-0002-5641-0688"},"institutions":[{"id":"https://openalex.org/I102345215","display_name":"Xihua University","ror":"https://ror.org/04gwtvf26","country_code":"CN","type":"education","lineage":["https://openalex.org/I102345215"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhiying Liu","raw_affiliation_strings":["School of Electrical Engineering and Electronic Information, Xihua University, Chengdu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering and Electronic Information, Xihua University, Chengdu, China","institution_ids":["https://openalex.org/I102345215"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069822497","display_name":"Pengfei Du","orcid":"https://orcid.org/0000-0001-6069-3572"},"institutions":[{"id":"https://openalex.org/I102345215","display_name":"Xihua University","ror":"https://ror.org/04gwtvf26","country_code":"CN","type":"education","lineage":["https://openalex.org/I102345215"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Pengfei Du","raw_affiliation_strings":["School of Aeronautics and Astronautics, Xihua University, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0001-6069-3572","affiliations":[{"raw_affiliation_string":"School of Aeronautics and Astronautics, Xihua University, Chengdu, China","institution_ids":["https://openalex.org/I102345215"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Liang Zhao","orcid":null},"institutions":[{"id":"https://openalex.org/I11838497","display_name":"Aviation Industry Corporation of China (China)","ror":"https://ror.org/02wq41p38","country_code":"CN","type":"company","lineage":["https://openalex.org/I11838497"]},{"id":"https://openalex.org/I1299457549","display_name":"Civil Aviation Administration of China","ror":"https://ror.org/05gfwht30","country_code":"CN","type":"government","lineage":["https://openalex.org/I1299457549","https://openalex.org/I4210127216"]},{"id":"https://openalex.org/I4210117754","display_name":"Chinese Academy of Civil Aviation Science and Technology","ror":"https://ror.org/023zynq23","country_code":"CN","type":"nonprofit","lineage":["https://openalex.org/I4210117754"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Liang Zhao","raw_affiliation_strings":["Aviation Data Communication Corp, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Aviation Data Communication Corp, Beijing, China","institution_ids":["https://openalex.org/I11838497","https://openalex.org/I1299457549","https://openalex.org/I4210117754"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5035232488","display_name":"Mian Ye","orcid":"https://orcid.org/0000-0002-5559-338X"},"institutions":[{"id":"https://openalex.org/I102345215","display_name":"Xihua University","ror":"https://ror.org/04gwtvf26","country_code":"CN","type":"education","lineage":["https://openalex.org/I102345215"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Mian Ye","raw_affiliation_strings":["School of Aeronautics and Astronautics, Xihua University, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0002-5559-338X","affiliations":[{"raw_affiliation_string":"School of Aeronautics and Astronautics, Xihua University, Chengdu, China","institution_ids":["https://openalex.org/I102345215"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.07073368,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"75","issue":"7","first_page":"15089","last_page":"15094"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.5820000171661377,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.5820000171661377,"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":0.10419999808073044,"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/T11158","display_name":"Wireless Networks and Protocols","score":0.07429999858140945,"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/robustness","display_name":"Robustness (evolution)","score":0.7250000238418579},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6967999935150146},{"id":"https://openalex.org/keywords/path","display_name":"Path (computing)","score":0.4853000044822693},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.4756999909877777},{"id":"https://openalex.org/keywords/resource-consumption","display_name":"Resource consumption","score":0.3885999917984009},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.383899986743927},{"id":"https://openalex.org/keywords/path-loss","display_name":"Path loss","score":0.3734999895095825},{"id":"https://openalex.org/keywords/doppler-effect","display_name":"Doppler effect","score":0.3725000023841858},{"id":"https://openalex.org/keywords/spatial-correlation","display_name":"Spatial correlation","score":0.3555000126361847}],"concepts":[{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.7250000238418579},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6967999935150146},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6484000086784363},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5727999806404114},{"id":"https://openalex.org/C2777735758","wikidata":"https://www.wikidata.org/wiki/Q817765","display_name":"Path (computing)","level":2,"score":0.4853000044822693},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.4756999909877777},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.39800000190734863},{"id":"https://openalex.org/C2777480716","wikidata":"https://www.wikidata.org/wiki/Q23582796","display_name":"Resource consumption","level":2,"score":0.3885999917984009},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.383899986743927},{"id":"https://openalex.org/C194273485","wikidata":"https://www.wikidata.org/wiki/Q1478845","display_name":"Path loss","level":3,"score":0.3734999895095825},{"id":"https://openalex.org/C142757262","wikidata":"https://www.wikidata.org/wiki/Q76436","display_name":"Doppler effect","level":2,"score":0.3725000023841858},{"id":"https://openalex.org/C150060386","wikidata":"https://www.wikidata.org/wiki/Q7574054","display_name":"Spatial correlation","level":2,"score":0.3555000126361847},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.35019999742507935},{"id":"https://openalex.org/C159694833","wikidata":"https://www.wikidata.org/wiki/Q2321565","display_name":"Iterative method","level":2,"score":0.3472000062465668},{"id":"https://openalex.org/C557945733","wikidata":"https://www.wikidata.org/wiki/Q389772","display_name":"Data transmission","level":2,"score":0.3237000107765198},{"id":"https://openalex.org/C97744766","wikidata":"https://www.wikidata.org/wiki/Q870845","display_name":"Channel capacity","level":3,"score":0.3190999925136566},{"id":"https://openalex.org/C2988629262","wikidata":"https://www.wikidata.org/wiki/Q76436","display_name":"Doppler frequency","level":3,"score":0.2962000072002411},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2906999886035919},{"id":"https://openalex.org/C2986910011","wikidata":"https://www.wikidata.org/wiki/Q17517","display_name":"Cellular radio","level":3,"score":0.289900004863739},{"id":"https://openalex.org/C2779679103","wikidata":"https://www.wikidata.org/wiki/Q5251805","display_name":"Degradation (telecommunications)","level":2,"score":0.28279998898506165},{"id":"https://openalex.org/C2983848023","wikidata":"https://www.wikidata.org/wiki/Q733553","display_name":"Transmission channel","level":3,"score":0.2777000069618225},{"id":"https://openalex.org/C167928553","wikidata":"https://www.wikidata.org/wiki/Q1376021","display_name":"Estimation theory","level":2,"score":0.2727000117301941},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.2687999904155731},{"id":"https://openalex.org/C149862233","wikidata":"https://www.wikidata.org/wiki/Q864142","display_name":"Binary erasure channel","level":4,"score":0.2639999985694885},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.2637999951839447},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.2621999979019165},{"id":"https://openalex.org/C3020402766","wikidata":"https://www.wikidata.org/wiki/Q104376712","display_name":"Prior information","level":2,"score":0.2606000006198883},{"id":"https://openalex.org/C117220453","wikidata":"https://www.wikidata.org/wiki/Q5172842","display_name":"Correlation","level":2,"score":0.25760000944137573}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tvt.2026.3657517","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2026.3657517","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"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 Vehicular Technology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Decent work and economic growth","score":0.5844354629516602,"id":"https://metadata.un.org/sdg/8"}],"awards":[{"id":"https://openalex.org/G4440297626","display_name":null,"funder_award_id":"62301447","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":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Channel":[0],"estimation":[1],"(CE)":[2],"is":[3,49,112,123],"essential":[4],"for":[5,84],"attaining":[6],"the":[7,57,65,69,74,85,98,109,128,137,140],"benefits":[8],"of":[9,68,77,87,108,130,139],"carrier":[10],"aggregation":[11],"(CA),":[12],"such":[13],"as":[14],"transmission":[15],"rate":[16],"and":[17,28,44,60,97,103,143],"system":[18],"capacity.":[19],"However,":[20],"most":[21],"existing":[22],"methods":[23],"exhibit":[24],"high":[25],"resource":[26],"consumption":[27],"relatively":[29],"low":[30],"CE":[31,47,66,76,86],"accuracy,":[32],"seriously":[33],"hindering":[34],"their":[35],"practical":[36],"application.":[37],"To":[38],"address":[39,127],"these":[40],"issues,":[41],"a":[42],"sensing":[43],"channel":[45,99,111,120],"correlation-aided":[46],"method":[48,142],"proposed":[50,141],"in":[51],"this":[52,93,115],"paper.":[53],"Specifically,":[54],"we":[55,79],"utilize":[56],"sensed":[58],"delay":[59],"Doppler":[61],"spreads":[62],"to":[63,126],"enhance":[64],"accuracy":[67],"primary":[70],"cell":[71],"(PCell).":[72],"With":[73,114],"enhanced":[75],"PCell,":[78],"extract":[80],"path":[81,94,132],"prior":[82,95],"information":[83,96],"secondary":[88],"cells":[89],"(SCells).":[90],"By":[91],"leveraging":[92],"correlation":[100],"between":[101],"PCell":[102],"SCells,":[104],"an":[105,118],"initial":[106,116],"reconstruction":[107],"SCells":[110],"performed.":[113],"reconstruction,":[117],"iterative":[119],"enhancement":[121],"scheme":[122],"further":[124],"developed":[125],"issue":[129],"weak":[131],"correlation.":[133],"Simulation":[134],"results":[135],"validate":[136],"effectiveness":[138],"its":[144],"robustness":[145],"against":[146],"parameter":[147],"variations.":[148]},"counts_by_year":[],"updated_date":"2026-07-21T05:50:15.549392","created_date":"2026-01-25T00:00:00"}
