{"id":"https://openalex.org/W4399168026","doi":"https://doi.org/10.1109/twc.2024.3403995","title":"Securing Near-Field Wideband MIMO Communications via True-Time Delayer-Based Hybrid Beamfocusing","display_name":"Securing Near-Field Wideband MIMO Communications via True-Time Delayer-Based Hybrid Beamfocusing","publication_year":2024,"publication_date":"2024-05-30","ids":{"openalex":"https://openalex.org/W4399168026","doi":"https://doi.org/10.1109/twc.2024.3403995"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2024.3403995","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2024.3403995","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/A5082699513","display_name":"Xinyue Hu","orcid":"https://orcid.org/0000-0003-0274-0478"},"institutions":[{"id":"https://openalex.org/I143868143","display_name":"Anhui University","ror":"https://ror.org/05th6yx34","country_code":"CN","type":"education","lineage":["https://openalex.org/I143868143"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xinyue Hu","raw_affiliation_strings":["School of Electronic and Information Engineering, Anhui University, Hefei, China"],"raw_orcid":"https://orcid.org/0000-0003-0274-0478","affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, Anhui University, Hefei, China","institution_ids":["https://openalex.org/I143868143"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071368059","display_name":"Yu Zhang","orcid":"https://orcid.org/0000-0001-6978-370X"},"institutions":[{"id":"https://openalex.org/I143868143","display_name":"Anhui University","ror":"https://ror.org/05th6yx34","country_code":"CN","type":"education","lineage":["https://openalex.org/I143868143"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yu Zhang","raw_affiliation_strings":["School of Electronic and Information Engineering, Anhui University, Hefei, China"],"raw_orcid":"https://orcid.org/0000-0001-6978-370X","affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, Anhui University, Hefei, China","institution_ids":["https://openalex.org/I143868143"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014803725","display_name":"Lixia Yang","orcid":"https://orcid.org/0000-0002-7943-9846"},"institutions":[{"id":"https://openalex.org/I143868143","display_name":"Anhui University","ror":"https://ror.org/05th6yx34","country_code":"CN","type":"education","lineage":["https://openalex.org/I143868143"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lixia Yang","raw_affiliation_strings":["School of Electronic and Information Engineering, Anhui University, Hefei, China"],"raw_orcid":"https://orcid.org/0000-0002-7943-9846","affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, Anhui University, Hefei, China","institution_ids":["https://openalex.org/I143868143"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067639596","display_name":"Yingsong Li","orcid":"https://orcid.org/0000-0002-2450-6028"},"institutions":[{"id":"https://openalex.org/I143868143","display_name":"Anhui University","ror":"https://ror.org/05th6yx34","country_code":"CN","type":"education","lineage":["https://openalex.org/I143868143"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yingsong Li","raw_affiliation_strings":["School of Electronic and Information Engineering, Anhui University, Hefei, China"],"raw_orcid":"https://orcid.org/0000-0002-2450-6028","affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, Anhui University, Hefei, China","institution_ids":["https://openalex.org/I143868143"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Kun Li","orcid":"https://orcid.org/0009-0005-3363-5023"},"institutions":[{"id":"https://openalex.org/I143868143","display_name":"Anhui University","ror":"https://ror.org/05th6yx34","country_code":"CN","type":"education","lineage":["https://openalex.org/I143868143"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kun Li","raw_affiliation_strings":["School of Electronic and Information Engineering, Anhui University, Hefei, China"],"raw_orcid":"https://orcid.org/0009-0005-3363-5023","affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, Anhui University, Hefei, China","institution_ids":["https://openalex.org/I143868143"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053320675","display_name":"Yibo Yi","orcid":"https://orcid.org/0000-0003-0210-3735"},"institutions":[{"id":"https://openalex.org/I16365422","display_name":"Hefei University of Technology","ror":"https://ror.org/02czkny70","country_code":"CN","type":"education","lineage":["https://openalex.org/I16365422"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yibo Yi","raw_affiliation_strings":["School of Computer Science and Information Engineering, Hefei University of Technology, Hefei, China"],"raw_orcid":"https://orcid.org/0000-0003-0210-3735","affiliations":[{"raw_affiliation_string":"School of Computer Science and Information Engineering, Hefei University of Technology, Hefei, China","institution_ids":["https://openalex.org/I16365422"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5076838715","display_name":"Caihong Kai","orcid":"https://orcid.org/0000-0002-1061-9267"},"institutions":[{"id":"https://openalex.org/I16365422","display_name":"Hefei University of Technology","ror":"https://ror.org/02czkny70","country_code":"CN","type":"education","lineage":["https://openalex.org/I16365422"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Caihong Kai","raw_affiliation_strings":["School of Computer Science and Information Engineering, Hefei University of Technology, Hefei, China"],"raw_orcid":"https://orcid.org/0000-0002-1061-9267","affiliations":[{"raw_affiliation_string":"School of Computer Science and Information Engineering, Hefei University of Technology, Hefei, China","institution_ids":["https://openalex.org/I16365422"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":5.823,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.95258058,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":97},"biblio":{"volume":"23","issue":"10","first_page":"13562","last_page":"13578"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10069","display_name":"Antenna Design and Analysis","score":0.9997000098228455,"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/T10069","display_name":"Antenna Design and Analysis","score":0.9997000098228455,"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":0.9997000098228455,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9993000030517578,"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/wideband","display_name":"Wideband","score":0.6941410899162292},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6807687878608704},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.604179322719574},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.48460090160369873},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3379674553871155},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.2924101948738098},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.14976364374160767}],"concepts":[{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.6941410899162292},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6807687878608704},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.604179322719574},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.48460090160369873},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3379674553871155},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.2924101948738098},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.14976364374160767}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/twc.2024.3403995","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2024.3403995","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":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.6700000166893005}],"awards":[{"id":"https://openalex.org/G3707459922","display_name":null,"funder_award_id":"62301004","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5086156945","display_name":null,"funder_award_id":"61971176","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5615610949","display_name":null,"funder_award_id":"2023AH050071","funder_id":"https://openalex.org/F4320334897","funder_display_name":"Natural Science Foundation of Anhui Province"},{"id":"https://openalex.org/G7700102360","display_name":null,"funder_award_id":"2023AH050055","funder_id":"https://openalex.org/F4320334897","funder_display_name":"Natural Science Foundation of Anhui Province"},{"id":"https://openalex.org/G8266500952","display_name":null,"funder_award_id":"2023AH050109","funder_id":"https://openalex.org/F4320334897","funder_display_name":"Natural Science Foundation of Anhui Province"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320334897","display_name":"Natural Science Foundation of Anhui Province","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":38,"referenced_works":["https://openalex.org/W1970830346","https://openalex.org/W1988653434","https://openalex.org/W2060695112","https://openalex.org/W2126170939","https://openalex.org/W2147787468","https://openalex.org/W2622044750","https://openalex.org/W2921466771","https://openalex.org/W2981096252","https://openalex.org/W2998872355","https://openalex.org/W3035386068","https://openalex.org/W3048090405","https://openalex.org/W3072069827","https://openalex.org/W3126485115","https://openalex.org/W3154707999","https://openalex.org/W3158743991","https://openalex.org/W3164550829","https://openalex.org/W3172818029","https://openalex.org/W3185146227","https://openalex.org/W3193247573","https://openalex.org/W3194394973","https://openalex.org/W4214923099","https://openalex.org/W4226370247","https://openalex.org/W4293057548","https://openalex.org/W4293768949","https://openalex.org/W4297094903","https://openalex.org/W4312688996","https://openalex.org/W4313049690","https://openalex.org/W4361858306","https://openalex.org/W4366148231","https://openalex.org/W4376481253","https://openalex.org/W4385325812","https://openalex.org/W4385885073","https://openalex.org/W4389252359","https://openalex.org/W4389331900","https://openalex.org/W4389352521","https://openalex.org/W4391807577","https://openalex.org/W4400351801","https://openalex.org/W6854475533"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2748952813","https://openalex.org/W3112081258","https://openalex.org/W1480343695","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2315892906","https://openalex.org/W4384026382","https://openalex.org/W2376932109"],"abstract_inverted_index":{"This":[0],"paper":[1],"investigates":[2],"physical":[3],"layer":[4],"secure":[5,153],"communication":[6],"in":[7,56,151],"a":[8,13,30,37,76,85],"wideband":[9,97,154],"wireless":[10],"system,":[11],"where":[12],"base":[14],"station":[15],"(BS)":[16],"equipped":[17],"with":[18],"an":[19],"extremely":[20],"large":[21,47],"scale":[22],"antenna":[23,48],"array":[24],"(ELAA)":[25],"transmits":[26],"confidential":[27],"information":[28],"to":[29,41,65,142],"legitimate":[31],"receiver":[32,52],"under":[33],"the":[34,42,51,57,61,67,73,103,114,133,146,158],"threat":[35],"of":[36,60,148],"potential":[38],"eavesdropper.":[39],"Due":[40],"high":[43,138],"carrier":[44],"frequency":[45],"and":[46,53,71,121,156],"aperture,":[49],"both":[50],"eavesdropper":[54],"lie":[55],"near-field":[58],"region":[59],"BS.":[62],"In":[63],"order":[64],"mitigate":[66],"beam":[68,159],"split":[69,160],"effect":[70],"reduce":[72],"hardware":[74],"cost,":[75],"true-time":[77],"delayer-based":[78],"hybrid":[79],"beamfocusing":[80,116],"architecture":[81],"is":[82,93,105],"designed.":[83],"Then,":[84],"nonconvex":[86],"sum":[87],"secrecy":[88,139],"capacity":[89,140],"maximization":[90],"problem":[91],"(SSCM)":[92],"formulated":[94],"for":[95,112],"securing":[96],"communications.":[98],"Based":[99],"on":[100,125],"alternating":[101],"optimization,":[102],"SSCM":[104],"decomposed":[106],"into":[107],"three":[108],"subproblems":[109],"solved":[110],"iteratively":[111],"designing":[113],"digital":[115],"vectors,":[117],"time":[118],"delay":[119],"matrices,":[120],"phase":[122],"shift":[123],"matrices":[124],"each":[126],"subcarrier,":[127],"respectively.":[128],"Simulation":[129],"results":[130],"show":[131],"that":[132],"proposed":[134],"scheme":[135,150],"yields":[136],"significantly":[137],"compared":[141],"benchmarks,":[143],"which":[144],"validates":[145],"effectiveness":[147],"our":[149],"enhancing":[152],"communications":[155],"mitigating":[157],"effects.":[161]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":2}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}
