{"id":"https://openalex.org/W4412082227","doi":"https://doi.org/10.1109/lwc.2025.3586299","title":"Enhanced Channel Estimation for Hybrid-Field XL-MIMO Systems Using Joint Sparse Bayesian Learning","display_name":"Enhanced Channel Estimation for Hybrid-Field XL-MIMO Systems Using Joint Sparse Bayesian Learning","publication_year":2025,"publication_date":"2025-07-07","ids":{"openalex":"https://openalex.org/W4412082227","doi":"https://doi.org/10.1109/lwc.2025.3586299"},"language":"en","primary_location":{"id":"doi:10.1109/lwc.2025.3586299","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2025.3586299","pdf_url":null,"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":null,"license_id":null,"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":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100452654","display_name":"Han Wang","orcid":"https://orcid.org/0000-0001-7347-3763"},"institutions":[{"id":"https://openalex.org/I200946902","display_name":"Yichun University","ror":"https://ror.org/05h4th693","country_code":"CN","type":"education","lineage":["https://openalex.org/I200946902"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Han Wang","raw_affiliation_strings":["College of Physical Science and Engineering, Yichun University, Yichun, China"],"raw_orcid":"https://orcid.org/0000-0001-7347-3763","affiliations":[{"raw_affiliation_string":"College of Physical Science and Engineering, Yichun University, Yichun, China","institution_ids":["https://openalex.org/I200946902"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Kun Zhang","orcid":"https://orcid.org/0009-0006-3128-2575"},"institutions":[{"id":"https://openalex.org/I200946902","display_name":"Yichun University","ror":"https://ror.org/05h4th693","country_code":"CN","type":"education","lineage":["https://openalex.org/I200946902"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kun Zhang","raw_affiliation_strings":["College of Physical Science and Engineering, Yichun University, Yichun, China"],"raw_orcid":"https://orcid.org/0009-0006-3128-2575","affiliations":[{"raw_affiliation_string":"College of Physical Science and Engineering, Yichun University, Yichun, China","institution_ids":["https://openalex.org/I200946902"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Qiwei Fu","orcid":"https://orcid.org/0009-0001-0490-3181"},"institutions":[{"id":"https://openalex.org/I200946902","display_name":"Yichun University","ror":"https://ror.org/05h4th693","country_code":"CN","type":"education","lineage":["https://openalex.org/I200946902"]},{"id":"https://openalex.org/I927504317","display_name":"Nanchang Hangkong University","ror":"https://ror.org/0369pvp92","country_code":"CN","type":"education","lineage":["https://openalex.org/I927504317"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qiwei Fu","raw_affiliation_strings":["College of Information Engineering, Nanchang Hangkong University, Nanchang, China","College of Physical Science and Engineering, Yichun University, Yichun, China"],"raw_orcid":"https://orcid.org/0009-0001-0490-3181","affiliations":[{"raw_affiliation_string":"College of Information Engineering, Nanchang Hangkong University, Nanchang, China","institution_ids":["https://openalex.org/I927504317"]},{"raw_affiliation_string":"College of Physical Science and Engineering, Yichun University, Yichun, China","institution_ids":["https://openalex.org/I200946902"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025764540","display_name":"Fangqing Wen","orcid":"https://orcid.org/0000-0001-6527-4326"},"institutions":[{"id":"https://openalex.org/I161350542","display_name":"China Three Gorges University","ror":"https://ror.org/0419nfc77","country_code":"CN","type":"education","lineage":["https://openalex.org/I161350542"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fangqing Wen","raw_affiliation_strings":["College of Computer and Information Technology, China Three Gorges University, Yichang, China"],"raw_orcid":"https://orcid.org/0000-0001-6527-4326","affiliations":[{"raw_affiliation_string":"College of Computer and Information Technology, China Three Gorges University, Yichang, China","institution_ids":["https://openalex.org/I161350542"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5076986736","display_name":"Xingwang Li","orcid":"https://orcid.org/0000-0002-0907-6517"},"institutions":[{"id":"https://openalex.org/I4210166499","display_name":"Henan Polytechnic University","ror":"https://ror.org/05vr1c885","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210166499"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xingwang Li","raw_affiliation_strings":["School of Physical and Electronic Information Engineering, Henan Polytechnic University, Jiaozuo, China","School of Physical and Electronic Information Engieering, Henan Polytechnic University, Jiaozuo, China"],"raw_orcid":"https://orcid.org/0000-0002-0907-6517","affiliations":[{"raw_affiliation_string":"School of Physical and Electronic Information Engineering, Henan Polytechnic University, Jiaozuo, China","institution_ids":["https://openalex.org/I4210166499"]},{"raw_affiliation_string":"School of Physical and Electronic Information Engieering, Henan Polytechnic University, Jiaozuo, China","institution_ids":["https://openalex.org/I4210166499"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":7.4566,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.97499089,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":99,"max":100},"biblio":{"volume":"14","issue":"10","first_page":"3099","last_page":"3103"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9962000250816345,"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":0.9962000250816345,"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":0.9926999807357788,"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9911999702453613,"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/computer-science","display_name":"Computer science","score":0.6569061279296875},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6081873178482056},{"id":"https://openalex.org/keywords/joint","display_name":"Joint (building)","score":0.5638259649276733},{"id":"https://openalex.org/keywords/bayesian-probability","display_name":"Bayesian probability","score":0.4962621331214905},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.49262672662734985},{"id":"https://openalex.org/keywords/field","display_name":"Field (mathematics)","score":0.47679758071899414},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4165210425853729},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.3650533854961395},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.22446143627166748},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.168422132730484},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.13921716809272766}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6569061279296875},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6081873178482056},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.5638259649276733},{"id":"https://openalex.org/C107673813","wikidata":"https://www.wikidata.org/wiki/Q812534","display_name":"Bayesian probability","level":2,"score":0.4962621331214905},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.49262672662734985},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.47679758071899414},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4165210425853729},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.3650533854961395},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.22446143627166748},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.168422132730484},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.13921716809272766},{"id":"https://openalex.org/C170154142","wikidata":"https://www.wikidata.org/wiki/Q150737","display_name":"Architectural engineering","level":1,"score":0.0},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lwc.2025.3586299","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2025.3586299","pdf_url":null,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Wireless Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2102776060","display_name":null,"funder_award_id":"62461055","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5141671808","display_name":null,"funder_award_id":"20224BAB202005","funder_id":"https://openalex.org/F4320322665","funder_display_name":"Natural Science Foundation of Jiangxi Province"},{"id":"https://openalex.org/G7964698636","display_name":null,"funder_award_id":"20224BAB202005","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320322665","display_name":"Natural Science Foundation of Jiangxi Province","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W3208187232","https://openalex.org/W4226370247","https://openalex.org/W4312848937","https://openalex.org/W4317350141","https://openalex.org/W4364322798","https://openalex.org/W4386450002","https://openalex.org/W4389924236","https://openalex.org/W4391936127","https://openalex.org/W4393171363","https://openalex.org/W4399282468","https://openalex.org/W4400276980","https://openalex.org/W4401567698","https://openalex.org/W4401722418","https://openalex.org/W4401871266","https://openalex.org/W4403022968","https://openalex.org/W4403295036","https://openalex.org/W4408858370"],"related_works":["https://openalex.org/W1996130883","https://openalex.org/W2545343974","https://openalex.org/W4291895924","https://openalex.org/W2748574964","https://openalex.org/W1783583321","https://openalex.org/W2038397443","https://openalex.org/W2941374357","https://openalex.org/W2112785353","https://openalex.org/W2026727497","https://openalex.org/W2164866798"],"abstract_inverted_index":{"Accurate":[0],"channel":[1,111],"estimation":[2,112],"in":[3,17],"hybrid-field":[4,55],"extremely":[5],"large-scale":[6],"multiple-input":[7],"multiple-output":[8],"(XL-MIMO)":[9],"systems":[10],"is":[11],"crucial":[12],"for":[13,105],"unlocking":[14],"their":[15,36],"potential":[16],"future":[18],"wireless":[19],"communications.":[20],"Traditional":[21],"methods,":[22,127],"such":[23],"as":[24],"least":[25],"squares":[26],"(LS)":[27],"and":[28,44,70,73,87,94,114],"orthogonal":[29],"matching":[30],"pursuit":[31],"(OMP),":[32],"are":[33],"limited":[34],"by":[35],"inability":[37],"to":[38,68],"fully":[39],"exploit":[40],"correlations":[41],"between":[42],"near-field":[43,69,86],"far-field":[45,71,88],"paths.":[46],"To":[47],"address":[48],"these":[49],"limitations,":[50],"this":[51],"letter":[52],"first":[53],"explores":[54],"sparse":[56,78,98],"Bayesian":[57,79],"learning":[58,80],"(Hybrid":[59],"SBL),":[60],"which":[61],"separately":[62],"applies":[63],"the":[64,103,120],"traditional":[65,126],"SBL":[66,101,123],"framework":[67],"paths,":[72],"then":[74],"develops":[75],"a":[76,91,96],"joint":[77],"(Joint":[81],"SBL)":[82],"framework.":[83],"By":[84],"integrating":[85],"dictionaries":[89],"into":[90],"unified":[92],"structure":[93],"leveraging":[95],"global":[97],"prior,":[99],"Joint":[100,122],"eliminates":[102],"need":[104],"prior":[106],"path":[107],"information":[108],"while":[109],"enhancing":[110],"accuracy":[113],"robustness.":[115],"Simulation":[116],"results":[117],"illustrate":[118],"that":[119],"proposed":[121],"significantly":[124],"outperforms":[125],"especially":[128],"under":[129],"challenging":[130],"signal-to-noise":[131],"ratio":[132],"(SNR)":[133],"conditions.":[134]},"counts_by_year":[{"year":2026,"cited_by_count":5},{"year":2025,"cited_by_count":9}],"updated_date":"2026-06-12T08:23:45.883708","created_date":"2025-10-10T00:00:00"}