{"id":"https://openalex.org/W4392152765","doi":"https://doi.org/10.1109/globecom54140.2023.10437313","title":"Delay-Phase Precoding to Alleviate Beam Defocus Effect for Circular Arrays","display_name":"Delay-Phase Precoding to Alleviate Beam Defocus Effect for Circular Arrays","publication_year":2023,"publication_date":"2023-12-04","ids":{"openalex":"https://openalex.org/W4392152765","doi":"https://doi.org/10.1109/globecom54140.2023.10437313"},"language":"en","primary_location":{"id":"doi:10.1109/globecom54140.2023.10437313","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/globecom54140.2023.10437313","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"GLOBECOM 2023 - 2023 IEEE Global Communications Conference","raw_type":"proceedings-article"},"type":"conference-paper","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/A5064564977","display_name":"Zidong Wu","orcid":"https://orcid.org/0000-0001-7126-0924"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zidong Wu","raw_affiliation_strings":["Tsinghua University, Beijing National Research Center for Information Science and Technology (BNRist),Department of Electronic Engineering,Beijing,China,100084"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tsinghua University, Beijing National Research Center for Information Science and Technology (BNRist),Department of Electronic Engineering,Beijing,China,100084","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5081869164","display_name":"Linglong Dai","orcid":"https://orcid.org/0000-0002-4250-7315"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Linglong Dai","raw_affiliation_strings":["Tsinghua University, Beijing National Research Center for Information Science and Technology (BNRist),Department of Electronic Engineering,Beijing,China,100084"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tsinghua University, Beijing National Research Center for Information Science and Technology (BNRist),Department of Electronic Engineering,Beijing,China,100084","institution_ids":["https://openalex.org/I99065089"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I99065089"],"apc_list":null,"apc_paid":null,"fwci":0.5409,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.64817067,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"6646","last_page":"6651"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10262","display_name":"Microwave Engineering and Waveguides","score":0.9988999962806702,"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/T10262","display_name":"Microwave Engineering and Waveguides","score":0.9988999962806702,"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":0.9986000061035156,"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":0.9983999729156494,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.8746975660324097},{"id":"https://openalex.org/keywords/phase","display_name":"Phase (matter)","score":0.5759071707725525},{"id":"https://openalex.org/keywords/beam","display_name":"Beam (structure)","score":0.5551015138626099},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4991912841796875},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.481214314699173},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.37620455026626587},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.3703572750091553},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.36194008588790894},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2813136577606201},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.19868415594100952},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.18734589219093323},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.1527136266231537},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.10104674100875854}],"concepts":[{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.8746975660324097},{"id":"https://openalex.org/C44280652","wikidata":"https://www.wikidata.org/wiki/Q104837","display_name":"Phase (matter)","level":2,"score":0.5759071707725525},{"id":"https://openalex.org/C168834538","wikidata":"https://www.wikidata.org/wiki/Q3705329","display_name":"Beam (structure)","level":2,"score":0.5551015138626099},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4991912841796875},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.481214314699173},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.37620455026626587},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.3703572750091553},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.36194008588790894},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2813136577606201},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.19868415594100952},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.18734589219093323},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1527136266231537},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.10104674100875854},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/globecom54140.2023.10437313","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/globecom54140.2023.10437313","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"GLOBECOM 2023 - 2023 IEEE Global Communications Conference","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.49000000953674316,"display_name":"Affordable and clean energy"}],"awards":[{"id":"https://openalex.org/G5830315594","display_name":"Future Wireless Communications Empowered by Reconfigurable Intelligent Meta-Materials (META WIRELESS)","funder_award_id":"956256","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G750603348","display_name":null,"funder_award_id":"2020YB1807201","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"}],"funders":[{"id":"https://openalex.org/F4320320300","display_name":"European Commission","ror":"https://ror.org/00k4n6c32"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W1484503832","https://openalex.org/W2053521124","https://openalex.org/W2137365129","https://openalex.org/W2469174679","https://openalex.org/W2499872892","https://openalex.org/W2805657678","https://openalex.org/W3126485115","https://openalex.org/W4390873721"],"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/W2546963302","https://openalex.org/W4381162408"],"abstract_inverted_index":{"Millimeter-wave":[0],"(mmWave)":[1],"and":[2,36,54,128,162],"terahertz":[3],"(THz)":[4],"communications":[5,56],"with":[6,171],"hybrid":[7,76],"precoding":[8,77,145],"architectures":[9],"have":[10],"been":[11],"regarded":[12],"as":[13],"energy-efficient":[14],"methods":[15],"to":[16,61,153,166],"fulfill":[17],"the":[18,28,49,82,102,105,134,143,155,168],"vision":[19],"of":[20,30,52,104,123],"high-speed":[21],"transmissions":[22],"for":[23],"6G":[24],"communications.":[25],"Benefiting":[26],"from":[27,110],"advantages":[29],"providing":[31],"a":[32],"wide":[33],"scan":[34],"range":[35],"uniform":[37,40,115],"array":[38,42,117],"pattern,":[39],"circular":[41],"(UCA)":[43],"has":[44],"attracted":[45],"much":[46],"attention.":[47],"However,":[48],"growing":[50],"bandwidth":[51],"mmWave":[53],"THz":[55],"require":[57],"frequency-independent":[58,71],"phase":[59,72],"shifts":[60],"perform":[62],"beamforming,":[63],"which":[64],"can":[65],"not":[66],"be":[67],"perfectly":[68],"realized":[69],"through":[70],"shifters":[73],"(PSs)":[74],"in":[75,86,114,125],"schemes.":[78],"This":[79],"mismatch":[80],"causes":[81],"beam":[83,106,111,121,139,156],"defocus":[84,107,140,157],"effect":[85,108,113],"UCA":[87,124],"systems,":[88],"where":[89],"high-gain":[90],"beams":[91],"disappear":[92],"at":[93],"non-central":[94],"frequencies.":[95],"In":[96],"this":[97],"paper,":[98],"we":[99],"first":[100],"investigate":[101],"characteristics":[103],"distinguishing":[109],"split":[112],"linear":[116],"(ULA)":[118],"systems.":[119],"The":[120],"pattern":[122],"both":[126],"frequency":[127],"angular":[129],"domain":[130],"is":[131,151],"analyzed,":[132],"characterizing":[133],"beamforming":[135],"loss":[136],"caused":[137],"by":[138],"effect.":[141,158],"Then,":[142],"delay-phase":[144],"(DPP)":[146],"architecture":[147],"leveraging":[148],"true-time-delay":[149],"(TTD)":[150],"employed":[152],"mitigate":[154],"Finally,":[159],"performance":[160,169],"analysis":[161],"simulations":[163],"are":[164],"provided":[165],"evaluate":[167],"improvement":[170],"DPP":[172],"architectures.":[173]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}