{"id":"https://openalex.org/W4410639368","doi":"https://doi.org/10.1109/tvt.2025.3572700","title":"Attention-Enhanced Channel Estimation for 6G MIMO in Unifying Far-Field and Near-Field","display_name":"Attention-Enhanced Channel Estimation for 6G MIMO in Unifying Far-Field and Near-Field","publication_year":2025,"publication_date":"2025-05-23","ids":{"openalex":"https://openalex.org/W4410639368","doi":"https://doi.org/10.1109/tvt.2025.3572700"},"language":"en","primary_location":{"id":"doi:10.1109/tvt.2025.3572700","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2025.3572700","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/A5100730157","display_name":"Ziyuan Zhang","orcid":"https://orcid.org/0000-0001-5409-0513"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Ziyuan Zhang","raw_affiliation_strings":["State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083670685","display_name":"Yuanbin Chen","orcid":"https://orcid.org/0000-0003-1640-4571"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Yuanbin Chen","raw_affiliation_strings":["School of Electrical and Electronics Engineering, Nanyang Technological University, Singapore"],"affiliations":[{"raw_affiliation_string":"School of Electrical and Electronics Engineering, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5041465972","display_name":"Ying Wang","orcid":"https://orcid.org/0000-0002-4494-6389"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ying Wang","raw_affiliation_strings":["State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5100730157"],"corresponding_institution_ids":["https://openalex.org/I139759216"],"apc_list":null,"apc_paid":null,"fwci":1.3947,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.81974786,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":98},"biblio":{"volume":"74","issue":"10","first_page":"16584","last_page":"16589"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9995999932289124,"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":0.9995999932289124,"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/T11946","display_name":"Antenna Design and Optimization","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9990000128746033,"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/near-and-far-field","display_name":"Near and far field","score":0.7051982879638672},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6185756921768188},{"id":"https://openalex.org/keywords/field","display_name":"Field (mathematics)","score":0.5434707403182983},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5354182124137878},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4710783064365387},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4444284439086914},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.37763258814811707},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.3049347698688507},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.23808971047401428},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1667461097240448},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.11142131686210632}],"concepts":[{"id":"https://openalex.org/C25227671","wikidata":"https://www.wikidata.org/wiki/Q13405516","display_name":"Near and far field","level":2,"score":0.7051982879638672},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6185756921768188},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.5434707403182983},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5354182124137878},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4710783064365387},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4444284439086914},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.37763258814811707},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3049347698688507},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.23808971047401428},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1667461097240448},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.11142131686210632},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tvt.2025.3572700","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2025.3572700","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"},{"id":"pmh:oai:dr.ntu.edu.sg:10356/208549","is_oa":false,"landing_page_url":"https://hdl.handle.net/10356/208549","pdf_url":null,"source":{"id":"https://openalex.org/S4306402609","display_name":"DR-NTU (Nanyang Technological University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I172675005","host_organization_name":"Nanyang Technological University","host_organization_lineage":["https://openalex.org/I172675005"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Climate action","score":0.5600000023841858,"id":"https://metadata.un.org/sdg/13"}],"awards":[{"id":"https://openalex.org/G4546858830","display_name":null,"funder_award_id":"4222011","funder_id":"https://openalex.org/F4320322919","funder_display_name":"Natural Science Foundation of Beijing Municipality"}],"funders":[{"id":"https://openalex.org/F4320322919","display_name":"Natural Science Foundation of Beijing Municipality","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W2787091153","https://openalex.org/W3091391704","https://openalex.org/W3208187232","https://openalex.org/W4226370247","https://openalex.org/W4285160334","https://openalex.org/W4289752563","https://openalex.org/W4312359827","https://openalex.org/W4320713354","https://openalex.org/W4322576964","https://openalex.org/W4386362890","https://openalex.org/W4388505414","https://openalex.org/W4390496060","https://openalex.org/W4391696971","https://openalex.org/W4394744873","https://openalex.org/W4394828110","https://openalex.org/W4394939012","https://openalex.org/W4399728182","https://openalex.org/W4400448557","https://openalex.org/W4401567304","https://openalex.org/W4402156496","https://openalex.org/W4402833326"],"related_works":["https://openalex.org/W2545343974","https://openalex.org/W4291895924","https://openalex.org/W1783583321","https://openalex.org/W2038397443","https://openalex.org/W2941374357","https://openalex.org/W2112785353","https://openalex.org/W2026727497","https://openalex.org/W2164866798","https://openalex.org/W1976502299","https://openalex.org/W4214657533"],"abstract_inverted_index":{"Given":[0],"the":[1,5,25,34,42,58,70,102,111],"challenges":[2],"posed":[3],"by":[4,52,80],"incompatibility":[6],"of":[7,44,73],"channel":[8,45,55,93],"estimation":[9,87],"(CE)":[10],"across":[11,130],"far-field":[12],"and":[13],"near-field":[14],"scenarios,":[15],"we":[16,89],"propose":[17],"a":[18,62,91],"deep":[19],"learning":[20],"(DL)-based":[21],"CE":[22,35],"algorithm,":[23],"i.e.,":[24],"wavenumber-domain":[26,59],"attention-enhanced":[27],"neural":[28],"network":[29],"(WDANet).":[30],"This":[31],"method":[32],"frames":[33],"problem":[36],"as":[37],"an":[38,77],"image-denoising":[39],"problem,":[40],"enabling":[41],"recovery":[43],"state":[46],"information":[47],"(CSI)":[48],"from":[49],"received":[50],"signals":[51],"leveraging":[53],"unified":[54],"representation":[56],"in":[57],"(WD).":[60],"Specifically,":[61],"wavenumber-embedding":[63],"pre-processing":[64],"step":[65],"is":[66],"designed":[67],"to":[68,97,110],"capture":[69],"clustered":[71],"sparsity":[72],"propagating":[74,103],"waves,":[75],"forming":[76],"image-like":[78],"structure":[79],"incorporating":[81],"evanescent":[82,112],"waves.":[83],"To":[84],"further":[85],"enhance":[86],"accuracy,":[88],"introduce":[90],"multi-head":[92],"attention":[94],"module":[95],"(MCAM)":[96],"improve":[98],"noise":[99,108],"extraction":[100],"on":[101],"wave":[104,113],"components":[105],"while":[106],"limiting":[107],"propagation":[109,132],"components.":[114],"Numerical":[115],"results":[116],"demonstrate":[117],"that":[118],"WDANet":[119],"not":[120],"only":[121],"outperforms":[122],"benchmark":[123],"schemes":[124],"but":[125],"also":[126],"exhibits":[127],"robust":[128],"generalization":[129],"diverse":[131],"environments.":[133]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1}],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-10-10T00:00:00"}
