{"id":"https://openalex.org/W4405812010","doi":"https://doi.org/10.1109/tvt.2024.3522945","title":"Reconfigurable Intelligent Surface-Assisted PHY Key Generation: A Tradeoff Analysis","display_name":"Reconfigurable Intelligent Surface-Assisted PHY Key Generation: A Tradeoff Analysis","publication_year":2024,"publication_date":"2024-12-26","ids":{"openalex":"https://openalex.org/W4405812010","doi":"https://doi.org/10.1109/tvt.2024.3522945"},"language":"en","primary_location":{"id":"doi:10.1109/tvt.2024.3522945","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2024.3522945","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/A5001829510","display_name":"Huici Wu","orcid":"https://orcid.org/0000-0001-7689-482X"},"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":"Huici Wu","raw_affiliation_strings":["National Engineering Research Center of Mobile Network Technologies, Beijing University of Posts and Telecommunications, Beijing, China","National Engineering Research Center of Mobile Network Technologies, Beijing University of Posts and Telecommunications (BUPT), Beijing, China"],"affiliations":[{"raw_affiliation_string":"National Engineering Research Center of Mobile Network Technologies, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"National Engineering Research Center of Mobile Network Technologies, Beijing University of Posts and Telecommunications (BUPT), Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Yi Fang","orcid":"https://orcid.org/0009-0000-6102-2201"},"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":"Yi Fang","raw_affiliation_strings":["National Engineering Research Center of Mobile Network Technologies, Beijing University of Posts and Telecommunications (BUPT), Beijing, China"],"affiliations":[{"raw_affiliation_string":"National Engineering Research Center of Mobile Network Technologies, Beijing University of Posts and Telecommunications (BUPT), Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039663772","display_name":"Zhiqing Wei","orcid":"https://orcid.org/0000-0001-7940-2739"},"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":"Zhiqing Wei","raw_affiliation_strings":["Beijing University of Posts and Telecommunications (BUPT), Beijing, China"],"affiliations":[{"raw_affiliation_string":"Beijing University of Posts and Telecommunications (BUPT), Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020360628","display_name":"Guoshun Nan","orcid":"https://orcid.org/0000-0002-1987-2736"},"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":"Guoshun Nan","raw_affiliation_strings":["National Engineering Research Center of Mobile Network Technologies, Beijing University of Posts and Telecommunications (BUPT), Beijing, China"],"affiliations":[{"raw_affiliation_string":"National Engineering Research Center of Mobile Network Technologies, Beijing University of Posts and Telecommunications (BUPT), Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100624765","display_name":"Xiaofeng Tao","orcid":"https://orcid.org/0000-0001-9518-1622"},"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":"Xiaofeng Tao","raw_affiliation_strings":["National Engineering Research Center of Mobile Network Technologies, Beijing University of Posts and Telecommunications, Beijing, China","National Engineering Research Center of Mobile Network Technologies, Beijing University of Posts and Telecommunications (BUPT), Beijing, China"],"affiliations":[{"raw_affiliation_string":"National Engineering Research Center of Mobile Network Technologies, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"National Engineering Research Center of Mobile Network Technologies, Beijing University of Posts and Telecommunications (BUPT), Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5001829510"],"corresponding_institution_ids":["https://openalex.org/I139759216"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.20937484,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"74","issue":"5","first_page":"8327","last_page":"8332"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12029","display_name":"DNA and Biological Computing","score":0.9966999888420105,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T12029","display_name":"DNA and Biological Computing","score":0.9966999888420105,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11017","display_name":"Chaos-based Image/Signal Encryption","score":0.9639999866485596,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T10964","display_name":"Wireless Communication Security Techniques","score":0.9549000263214111,"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/phy","display_name":"PHY","score":0.6893439888954163},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.6375190615653992},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5209449529647827},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.42192861437797546},{"id":"https://openalex.org/keywords/computer-architecture","display_name":"Computer architecture","score":0.39845994114875793},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.36837953329086304},{"id":"https://openalex.org/keywords/physical-layer","display_name":"Physical layer","score":0.34456557035446167},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2585206627845764},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.25817400217056274},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.22141185402870178},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.09321334958076477}],"concepts":[{"id":"https://openalex.org/C41918916","wikidata":"https://www.wikidata.org/wiki/Q192727","display_name":"PHY","level":4,"score":0.6893439888954163},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.6375190615653992},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5209449529647827},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.42192861437797546},{"id":"https://openalex.org/C118524514","wikidata":"https://www.wikidata.org/wiki/Q173212","display_name":"Computer architecture","level":1,"score":0.39845994114875793},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.36837953329086304},{"id":"https://openalex.org/C19247436","wikidata":"https://www.wikidata.org/wiki/Q192727","display_name":"Physical layer","level":3,"score":0.34456557035446167},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2585206627845764},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.25817400217056274},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.22141185402870178},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.09321334958076477}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tvt.2024.3522945","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2024.3522945","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"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2704826626","display_name":null,"funder_award_id":"62271076","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W949353694","https://openalex.org/W1522345630","https://openalex.org/W2099111195","https://openalex.org/W2106833918","https://openalex.org/W3049088677","https://openalex.org/W3084194173","https://openalex.org/W3087789612","https://openalex.org/W3131368335","https://openalex.org/W3132465714","https://openalex.org/W3166393976","https://openalex.org/W3169236861","https://openalex.org/W3209252509","https://openalex.org/W3215165642","https://openalex.org/W4200633554","https://openalex.org/W4226497377","https://openalex.org/W4315629773","https://openalex.org/W4317419058","https://openalex.org/W4320713019","https://openalex.org/W4365421145","https://openalex.org/W4385338749","https://openalex.org/W4392158166"],"related_works":["https://openalex.org/W2945523224","https://openalex.org/W4313639042","https://openalex.org/W2444418218","https://openalex.org/W2727597159","https://openalex.org/W4241709719","https://openalex.org/W1488909492","https://openalex.org/W4234133302","https://openalex.org/W2111773294","https://openalex.org/W2774037455","https://openalex.org/W1858159341"],"abstract_inverted_index":{"Reconfigurable":[0],"intelligent":[1],"surface":[2],"(RIS)":[3],"has":[4],"been":[5],"widely":[6],"studied":[7],"as":[8],"a":[9,56,60,77,144],"promising":[10],"approach":[11],"in":[12,76,129],"improving":[13,34],"secret":[14,22,108],"key":[15,23,109,127],"rate":[16],"(SKR)":[17],"for":[18,104],"physical":[19],"layer":[20],"(PHY)":[21],"generation":[24],"(SKG).":[25],"Existing":[26],"RIS-assisted":[27,78],"PHY":[28,94,141],"SKG":[29,79,95,166],"studies":[30],"mainly":[31],"focus":[32],"on":[33,93],"the":[35,52,63,67,89,98,105,132,140,158,165,168,180,189,197,203],"SKR":[36,99,145,190],"by":[37,47,96],"optimizing":[38],"RIS":[39,42,92,134,160,194],"phase.":[40],"However,":[41],"can":[43,186],"also":[44],"be":[45],"exploited":[46],"active":[48],"attackers":[49],"to":[50,139,164],"contaminate":[51],"channel":[53,82,149,173,176],"probing.":[54],"As":[55],"result,":[57],"there":[58],"is":[59,111,135,151,161,177,200],"trade-off":[61],"between":[62,70],"increased":[64],"randomness":[65],"and":[66,73,123,153,174],"improved":[68,201],"correlation":[69],"legitimate":[71,119,172],"channels":[72,75,125],"eavesdropping":[74,121,175],"system":[80],"under":[81,148],"contamination.":[83],"In":[84],"this":[85],"paper,":[86],"we":[87],"study":[88],"impact":[90],"of":[91,107,118,171,182,205],"analyzing":[97],"performance.":[100],"A":[101],"closed-form":[102],"expression":[103],"lower-bound":[106],"capacity":[110],"obtained.":[112],"Theoretical":[113],"analysis":[114],"shows":[115],"that":[116,157],"gains":[117],"channel,":[120,122],"RIS-induced":[124],"are":[126],"parameters":[128],"determining":[130],"whether":[131],"assisting":[133,159],"beneficial":[136],"or":[137],"harmful":[138,163],"SKG.":[142],"Further,":[143],"maximization":[146],"problem":[147],"contamination":[150],"proposed":[152],"solved.":[154],"Results":[155],"show":[156],"definitely":[162],"when":[167,196],"gain":[169,198],"ratio":[170,199],"reduced":[178],"with":[179,191,202],"leverage":[181],"RIS,":[183],"while":[184],"it":[185],"significantly":[187],"improve":[188],"an":[192],"optimized":[193],"phase":[195],"help":[204],"RIS.":[206]},"counts_by_year":[],"updated_date":"2026-04-15T08:11:43.952461","created_date":"2025-10-10T00:00:00"}