{"id":"https://openalex.org/W4412536693","doi":"https://doi.org/10.1109/twc.2025.3588626","title":"Linear Receive Beamforming for CAPA Systems","display_name":"Linear Receive Beamforming for CAPA Systems","publication_year":2025,"publication_date":"2025-07-21","ids":{"openalex":"https://openalex.org/W4412536693","doi":"https://doi.org/10.1109/twc.2025.3588626"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2025.3588626","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2025.3588626","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"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 Wireless Communications","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/A5037893093","display_name":"Chongjun Ouyang","orcid":"https://orcid.org/0000-0003-1293-1104"},"institutions":[{"id":"https://openalex.org/I100930933","display_name":"University College Dublin","ror":"https://ror.org/05m7pjf47","country_code":"IE","type":"education","lineage":["https://openalex.org/I100930933"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"Chongjun Ouyang","raw_affiliation_strings":["School of Electrical and Electronic Engineering, University College Dublin, Dublin 4, Ireland","School of Electrical and Electronic Engineering, University College Dublin, Dublin, Ireland"],"raw_orcid":"https://orcid.org/0000-0003-1293-1104","affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, University College Dublin, Dublin 4, Ireland","institution_ids":["https://openalex.org/I100930933"]},{"raw_affiliation_string":"School of Electrical and Electronic Engineering, University College Dublin, Dublin, Ireland","institution_ids":["https://openalex.org/I100930933"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101635009","display_name":"Zhaolin Wang","orcid":"https://orcid.org/0000-0003-4614-0175"},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Zhaolin Wang","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, The University of Hong Kong, Pokfulam, Hong Kong","Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, China"],"raw_orcid":"https://orcid.org/0000-0003-4614-0175","affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, The University of Hong Kong, Pokfulam, Hong Kong","institution_ids":["https://openalex.org/I889458895"]},{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I889458895"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082899535","display_name":"Xingqi Zhang","orcid":"https://orcid.org/0000-0001-8941-3706"},"institutions":[{"id":"https://openalex.org/I154425047","display_name":"University of Alberta","ror":"https://ror.org/0160cpw27","country_code":"CA","type":"education","lineage":["https://openalex.org/I154425047"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Xingqi Zhang","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Alberta, Edmonton, AB, Canada","Department of Electrical and Computer Engineering, University of Alberta, Edmonton AB, Canada"],"raw_orcid":"https://orcid.org/0000-0001-8941-3706","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Alberta, Edmonton, AB, Canada","institution_ids":["https://openalex.org/I154425047"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Alberta, Edmonton AB, Canada","institution_ids":["https://openalex.org/I154425047"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5076863392","display_name":"Yuanwei Liu","orcid":"https://orcid.org/0000-0002-6389-8941"},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Yuanwei Liu","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, The University of Hong Kong, Pokfulam, Hong Kong","Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, China"],"raw_orcid":"https://orcid.org/0000-0002-6389-8941","affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, The University of Hong Kong, Pokfulam, Hong Kong","institution_ids":["https://openalex.org/I889458895"]},{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I889458895"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2645,"currency":"USD","value_usd":2645},"apc_paid":null,"fwci":14.6897,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.98419876,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":"25","issue":null,"first_page":"1030","last_page":"1047"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11946","display_name":"Antenna Design and Optimization","score":0.9959999918937683,"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"}},"topics":[{"id":"https://openalex.org/T11946","display_name":"Antenna Design and Optimization","score":0.9959999918937683,"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/T10575","display_name":"Wireless Communication Networks Research","score":0.9952999949455261,"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"}},{"id":"https://openalex.org/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9925000071525574,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/beamforming","display_name":"Beamforming","score":0.6581920385360718},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6204253435134888},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3513071835041046}],"concepts":[{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.6581920385360718},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6204253435134888},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3513071835041046}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/twc.2025.3588626","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2025.3588626","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"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 Wireless Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.6899999976158142,"display_name":"Affordable and clean energy"}],"awards":[{"id":"https://openalex.org/G6835203332","display_name":"Near-Field Transmission Enabled Next-Generation Wireless Networks","funder_award_id":"EP/Z003091/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"}],"funders":[{"id":"https://openalex.org/F4320325651","display_name":"Alberta Innovates","ror":null},{"id":"https://openalex.org/F4320334593","display_name":"Natural Sciences and Engineering Research Council of Canada","ror":"https://ror.org/01h531d29"},{"id":"https://openalex.org/F4320334627","display_name":"Engineering and Physical Sciences Research Council","ror":"https://ror.org/0439y7842"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":29,"referenced_works":["https://openalex.org/W1971443733","https://openalex.org/W1997834106","https://openalex.org/W2033860388","https://openalex.org/W2104038317","https://openalex.org/W2124164696","https://openalex.org/W2147601077","https://openalex.org/W2735938380","https://openalex.org/W2963673880","https://openalex.org/W3034737405","https://openalex.org/W3043119790","https://openalex.org/W3173632912","https://openalex.org/W4211120851","https://openalex.org/W4240790602","https://openalex.org/W4321488263","https://openalex.org/W4381785816","https://openalex.org/W4386231167","https://openalex.org/W4391305669","https://openalex.org/W4401069277","https://openalex.org/W4402156803","https://openalex.org/W4403390152","https://openalex.org/W4403510645","https://openalex.org/W4407023332","https://openalex.org/W4408145268","https://openalex.org/W4408858671","https://openalex.org/W4410393265","https://openalex.org/W4411055241","https://openalex.org/W4411472030","https://openalex.org/W4412610048","https://openalex.org/W4413212594"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2963170046","https://openalex.org/W2376244802","https://openalex.org/W1971477554","https://openalex.org/W2390279801","https://openalex.org/W2158075901","https://openalex.org/W818226659","https://openalex.org/W4391913857"],"abstract_inverted_index":{"The":[0,50],"performance":[1],"of":[2,23,111],"linear":[3,104,171],"receive":[4,105],"beamforming":[5,16,172],"in":[6,58,86,109],"continuous-aperture":[7],"array":[8],"(CAPA)-based":[9],"uplink":[10,52],"communications":[11],"is":[12,43,71,96,133],"analyzed.":[13,64],"Three":[14],"continuous":[15],"techniques":[17],"are":[18,63,120],"proposed":[19,138,170],"under":[20,168],"the":[21,41,102,123,127,142,169],"criteria":[22],"maximum-ratio":[24],"combining":[25],"(MRC),":[26],"zero-forcing":[27],"(ZF),":[28],"and":[29,54,115,126,130,164],"minimum":[30],"mean-squared":[31,55],"error":[32,56],"(MMSE).":[33],"i)":[34],"ForMRC":[35],"beamforming,":[36,67],"a":[37,68,81],"closed-form":[38,69],"expression":[39],"for":[40,107,122],"beamformer":[42,70,125],"derived":[44,72,121],"to":[45,77],"maximize":[46],"per-user":[47,113],"signal":[48,143],"power.":[49],"achieved":[51],"rate":[53,114],"(MSE)":[57],"detecting":[59],"received":[60],"data":[61],"symbols":[62],"ii)":[65],"ForZF":[66],"based":[73],"on":[74],"channel":[75,89],"correlation":[76],"eliminate":[78],"interference.":[79],"As":[80],"further":[82],"advance,":[83],"its":[84],"optimality":[85],"maximizing":[87,112],"effective":[88],"gain":[90],"while":[91],"ensuring":[92],"zero":[93],"inter-user":[94],"interference":[95],"proven.":[97],"iii)MMSE":[98],"beamformingis":[99],"established":[100],"as":[101],"optimal":[103],"approach":[106],"CAPAs":[108,154],"terms":[110],"minimizing":[116],"MSE.":[117],"Closed-form":[118],"expressions":[119],"MMSE":[124],"achievable":[128],"sum-rate":[129],"sum-MSE.":[131],"It":[132],"mathematically":[134],"proven":[135],"that":[136,153],"all":[137],"beamformers":[139],"lie":[140],"within":[141],"subspace":[144],"spanned":[145],"by":[146,160],"users\u2019":[147],"spatial":[148],"responses.":[149],"Numerical":[150],"results":[151],"demonstrate":[152],"outperform":[155],"conventional":[156],"spatially-discrete":[157],"arrays":[158],"(SPDAs)":[159],"achieving":[161],"higher":[162],"sum-rates":[163],"lower":[165],"sum-":[166],"MSEs":[167],"techniques.":[173]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":3}],"updated_date":"2026-08-21T09:56:20.448147","created_date":"2025-10-10T00:00:00"}
