{"id":"https://openalex.org/W3139123774","doi":"https://doi.org/10.1109/lcomm.2021.3068102","title":"Physical Layer Security for Intelligent Reflecting Surface Assisted Two\u2013Way Communications","display_name":"Physical Layer Security for Intelligent Reflecting Surface Assisted Two\u2013Way Communications","publication_year":2021,"publication_date":"2021-03-23","ids":{"openalex":"https://openalex.org/W3139123774","doi":"https://doi.org/10.1109/lcomm.2021.3068102","mag":"3139123774"},"language":"en","primary_location":{"id":"doi:10.1109/lcomm.2021.3068102","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2021.3068102","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Communications Letters","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/A5026609090","display_name":"Mevan Wijewardena","orcid":"https://orcid.org/0000-0001-7562-6081"},"institutions":[{"id":"https://openalex.org/I195740183","display_name":"University of Moratuwa","ror":"https://ror.org/0491f5305","country_code":"LK","type":"education","lineage":["https://openalex.org/I195740183"]}],"countries":["LK"],"is_corresponding":false,"raw_author_name":"Mevan Wijewardena","raw_affiliation_strings":["Department of Electronic and Telecommunication Engineering, University of Moratuwa, Moratuwa, Sri Lanka","Department of Electronic and Telecommunication Engineering University of Moratuwa  Moratuwa Sri Lanka"],"raw_orcid":"https://orcid.org/0000-0001-7562-6081","affiliations":[{"raw_affiliation_string":"Department of Electronic and Telecommunication Engineering, University of Moratuwa, Moratuwa, Sri Lanka","institution_ids":["https://openalex.org/I195740183"]},{"raw_affiliation_string":"Department of Electronic and Telecommunication Engineering University of Moratuwa  Moratuwa Sri Lanka","institution_ids":["https://openalex.org/I195740183"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017935680","display_name":"Tharaka Samarasinghe","orcid":"https://orcid.org/0000-0002-5189-5743"},"institutions":[{"id":"https://openalex.org/I165779595","display_name":"The University of Melbourne","ror":"https://ror.org/01ej9dk98","country_code":"AU","type":"education","lineage":["https://openalex.org/I165779595"]},{"id":"https://openalex.org/I195740183","display_name":"University of Moratuwa","ror":"https://ror.org/0491f5305","country_code":"LK","type":"education","lineage":["https://openalex.org/I195740183"]}],"countries":["AU","LK"],"is_corresponding":false,"raw_author_name":"Tharaka Samarasinghe","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, The University of Melbourne, Parkville, VIC, Australia","Department of Electronic and Telecommunication Engineering, University of Moratuwa, Moratuwa, Sri Lanka"],"raw_orcid":"https://orcid.org/0000-0002-5189-5743","affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, The University of Melbourne, Parkville, VIC, Australia","institution_ids":["https://openalex.org/I165779595"]},{"raw_affiliation_string":"Department of Electronic and Telecommunication Engineering, University of Moratuwa, Moratuwa, Sri Lanka","institution_ids":["https://openalex.org/I195740183"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009562666","display_name":"Kasun T. Hemachandra","orcid":"https://orcid.org/0000-0002-8140-3674"},"institutions":[{"id":"https://openalex.org/I195740183","display_name":"University of Moratuwa","ror":"https://ror.org/0491f5305","country_code":"LK","type":"education","lineage":["https://openalex.org/I195740183"]}],"countries":["LK"],"is_corresponding":false,"raw_author_name":"Kasun T. Hemachandra","raw_affiliation_strings":["Department of Electronic and Telecommunication Engineering, University of Moratuwa, Moratuwa, Sri Lanka","Department of Electronic and Telecommunication Engineering University of Moratuwa  Moratuwa Sri Lanka"],"raw_orcid":"https://orcid.org/0000-0002-8140-3674","affiliations":[{"raw_affiliation_string":"Department of Electronic and Telecommunication Engineering, University of Moratuwa, Moratuwa, Sri Lanka","institution_ids":["https://openalex.org/I195740183"]},{"raw_affiliation_string":"Department of Electronic and Telecommunication Engineering University of Moratuwa  Moratuwa Sri Lanka","institution_ids":["https://openalex.org/I195740183"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088812297","display_name":"Saman Atapattu","orcid":"https://orcid.org/0000-0002-1413-6393"},"institutions":[{"id":"https://openalex.org/I165779595","display_name":"The University of Melbourne","ror":"https://ror.org/01ej9dk98","country_code":"AU","type":"education","lineage":["https://openalex.org/I165779595"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Saman Atapattu","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, The University of Melbourne, Parkville, VIC, Australia"],"raw_orcid":"https://orcid.org/0000-0002-1413-6393","affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, The University of Melbourne, Parkville, VIC, Australia","institution_ids":["https://openalex.org/I165779595"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5048388477","display_name":"Jamie Evans","orcid":"https://orcid.org/0000-0003-4637-1037"},"institutions":[{"id":"https://openalex.org/I165779595","display_name":"The University of Melbourne","ror":"https://ror.org/01ej9dk98","country_code":"AU","type":"education","lineage":["https://openalex.org/I165779595"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Jamie S. Evans","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, The University of Melbourne, Parkville, VIC, Australia"],"raw_orcid":"https://orcid.org/0000-0003-4637-1037","affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, The University of Melbourne, Parkville, VIC, Australia","institution_ids":["https://openalex.org/I165779595"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.9703,"has_fulltext":false,"cited_by_count":49,"citation_normalized_percentile":{"value":0.91787103,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":99},"biblio":{"volume":"25","issue":"7","first_page":"2156","last_page":"2160"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","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"}},"topics":[{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","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/T12989","display_name":"Ocular Disorders and Treatments","score":0.9868999719619751,"subfield":{"id":"https://openalex.org/subfields/1311","display_name":"Genetics"},"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/T11328","display_name":"Ocular Oncology and Treatments","score":0.9261000156402588,"subfield":{"id":"https://openalex.org/subfields/2731","display_name":"Ophthalmology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8070858716964722},{"id":"https://openalex.org/keywords/secrecy","display_name":"Secrecy","score":0.7437763810157776},{"id":"https://openalex.org/keywords/physical-layer","display_name":"Physical layer","score":0.7269248962402344},{"id":"https://openalex.org/keywords/iterative-method","display_name":"Iterative method","score":0.5292396545410156},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.5255643129348755},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4006060063838959},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.23216798901557922},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.20486196875572205},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.20157799124717712}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8070858716964722},{"id":"https://openalex.org/C2776452267","wikidata":"https://www.wikidata.org/wiki/Q1503443","display_name":"Secrecy","level":2,"score":0.7437763810157776},{"id":"https://openalex.org/C19247436","wikidata":"https://www.wikidata.org/wiki/Q192727","display_name":"Physical layer","level":3,"score":0.7269248962402344},{"id":"https://openalex.org/C159694833","wikidata":"https://www.wikidata.org/wiki/Q2321565","display_name":"Iterative method","level":2,"score":0.5292396545410156},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5255643129348755},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4006060063838959},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.23216798901557922},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.20486196875572205},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.20157799124717712}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lcomm.2021.3068102","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2021.3068102","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G4143899027","display_name":"Harnessing hidden diversity gains of cellular networks","funder_award_id":"DP180101205","funder_id":"https://openalex.org/F4320334704","funder_display_name":"Australian Research Council"}],"funders":[{"id":"https://openalex.org/F4320334704","display_name":"Australian Research Council","ror":"https://ror.org/05mmh0f86"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W2065313044","https://openalex.org/W2945534522","https://openalex.org/W2949670636","https://openalex.org/W2950077417","https://openalex.org/W2950680381","https://openalex.org/W2953226670","https://openalex.org/W2969424089","https://openalex.org/W2990747873","https://openalex.org/W3003553362","https://openalex.org/W3004201425","https://openalex.org/W3022434579","https://openalex.org/W3026778509","https://openalex.org/W3035350347","https://openalex.org/W3040433108","https://openalex.org/W3040918692","https://openalex.org/W3041653465","https://openalex.org/W3041878473","https://openalex.org/W3082330636","https://openalex.org/W3094870629","https://openalex.org/W3096339934","https://openalex.org/W3111012323","https://openalex.org/W3188430173","https://openalex.org/W6777228907"],"related_works":["https://openalex.org/W2493929861","https://openalex.org/W2016567611","https://openalex.org/W2475541339","https://openalex.org/W565335793","https://openalex.org/W2363071176","https://openalex.org/W2107199751","https://openalex.org/W4243812570","https://openalex.org/W2765236478","https://openalex.org/W4360996312","https://openalex.org/W2529506699"],"abstract_inverted_index":{"This":[0],"letter":[1],"investigates":[2],"the":[3,25,29,36,42,47,56],"exploitation":[4],"of":[5,19,35,69],"an":[6,20],"intelligent":[7],"reflecting":[8],"surface":[9],"(IRS)":[10],"to":[11,40,65,83,86],"communicate":[12],"securely":[13],"in":[14],"a":[15,66,73],"two-way":[16],"network":[17],"consisting":[18],"untrusted":[21,57],"user.":[22,58],"In":[23],"particular,":[24],"transmit":[26],"powers":[27],"and":[28,49],"phase":[30],"shift":[31],"at":[32,55],"each":[33],"element":[34],"IRS":[37],"are":[38,52],"optimized":[39,90],"maximize":[41],"sum-secrecy":[43,79],"rate,":[44],"such":[45],"that":[46],"IRS-reflected":[48],"non-IRS-reflected":[50],"signals":[51],"added":[53],"destructively":[54],"The":[59],"proposed":[60],"iterative":[61],"algorithm":[62],"converges":[63],"rapidly":[64],"feasible":[67],"solution":[68],"high":[70],"accuracy":[71],"with":[72],"few":[74],"iterations.":[75],"Numerical":[76],"results":[77],"demonstrate":[78],"rate":[80],"gains":[81],"up":[82],"120%":[84],"compared":[85],"naive":[87],"or":[88],"partially":[89],"schemes.":[91]},"counts_by_year":[{"year":2026,"cited_by_count":4},{"year":2025,"cited_by_count":8},{"year":2024,"cited_by_count":8},{"year":2023,"cited_by_count":10},{"year":2022,"cited_by_count":11},{"year":2021,"cited_by_count":8}],"updated_date":"2026-07-16T13:24:37.021932","created_date":"2025-10-10T00:00:00"}
