{"id":"https://openalex.org/W3034986165","doi":"https://doi.org/10.1109/lwc.2020.3001119","title":"Reconfigurable Intelligent Surfaces Assisted Secure Multicast Communications","display_name":"Reconfigurable Intelligent Surfaces Assisted Secure Multicast Communications","publication_year":2020,"publication_date":"2020-06-09","ids":{"openalex":"https://openalex.org/W3034986165","doi":"https://doi.org/10.1109/lwc.2020.3001119","mag":"3034986165"},"language":"en","primary_location":{"id":"doi:10.1109/lwc.2020.3001119","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2020.3001119","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"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 Wireless 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/A5061386940","display_name":"Linsong Du","orcid":"https://orcid.org/0000-0002-7185-9889"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Linsong Du","raw_affiliation_strings":["National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0002-7185-9889","affiliations":[{"raw_affiliation_string":"National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101912486","display_name":"Chuan Huang","orcid":"https://orcid.org/0000-0001-5965-0823"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chuan Huang","raw_affiliation_strings":["National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0001-5965-0823","affiliations":[{"raw_affiliation_string":"National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076871333","display_name":"Wenbo Guo","orcid":"https://orcid.org/0000-0003-2871-3187"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wenbo Guo","raw_affiliation_strings":["National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100743744","display_name":"Jianhui Ma","orcid":"https://orcid.org/0000-0003-1000-2184"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianhui Ma","raw_affiliation_strings":["National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0003-1000-2184","affiliations":[{"raw_affiliation_string":"National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084070649","display_name":"Xinying Ma","orcid":"https://orcid.org/0000-0002-8489-5360"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xinying Ma","raw_affiliation_strings":["National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0002-8489-5360","affiliations":[{"raw_affiliation_string":"National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102209415","display_name":"Youxi Tang","orcid":null},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Youxi Tang","raw_affiliation_strings":["National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5061386940"],"corresponding_institution_ids":["https://openalex.org/I150229711"],"apc_list":null,"apc_paid":null,"fwci":1.7685,"has_fulltext":false,"cited_by_count":28,"citation_normalized_percentile":{"value":0.84969712,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"9","issue":"10","first_page":"1673","last_page":"1676"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9998000264167786,"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":0.9998000264167786,"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/T11383","display_name":"Advanced Antenna and Metasurface Technologies","score":0.9803000092506409,"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/T10069","display_name":"Antenna Design and Analysis","score":0.9782999753952026,"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/multicast","display_name":"Multicast","score":0.9315839409828186},{"id":"https://openalex.org/keywords/secure-multicast","display_name":"Secure multicast","score":0.8679506778717041},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7671579122543335},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.631934642791748},{"id":"https://openalex.org/keywords/maximization","display_name":"Maximization","score":0.571931004524231},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.5634108185768127},{"id":"https://openalex.org/keywords/secrecy","display_name":"Secrecy","score":0.555419921875},{"id":"https://openalex.org/keywords/reflector","display_name":"Reflector (photography)","score":0.5311058163642883},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5175475478172302},{"id":"https://openalex.org/keywords/logarithm","display_name":"Logarithm","score":0.4725232720375061},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.45468708872795105},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.3519118130207062},{"id":"https://openalex.org/keywords/source-specific-multicast","display_name":"Source-specific multicast","score":0.3396703600883484},{"id":"https://openalex.org/keywords/pragmatic-general-multicast","display_name":"Pragmatic General Multicast","score":0.21495166420936584},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.20168575644493103},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.18751290440559387},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.09743401408195496},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.08149254322052002},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.06336724758148193}],"concepts":[{"id":"https://openalex.org/C32295351","wikidata":"https://www.wikidata.org/wiki/Q899288","display_name":"Multicast","level":2,"score":0.9315839409828186},{"id":"https://openalex.org/C2776147584","wikidata":"https://www.wikidata.org/wiki/Q2711392","display_name":"Secure multicast","level":5,"score":0.8679506778717041},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7671579122543335},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.631934642791748},{"id":"https://openalex.org/C2776330181","wikidata":"https://www.wikidata.org/wiki/Q18358244","display_name":"Maximization","level":2,"score":0.571931004524231},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5634108185768127},{"id":"https://openalex.org/C2776452267","wikidata":"https://www.wikidata.org/wiki/Q1503443","display_name":"Secrecy","level":2,"score":0.555419921875},{"id":"https://openalex.org/C2778415886","wikidata":"https://www.wikidata.org/wiki/Q1823435","display_name":"Reflector (photography)","level":3,"score":0.5311058163642883},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5175475478172302},{"id":"https://openalex.org/C39927690","wikidata":"https://www.wikidata.org/wiki/Q11197","display_name":"Logarithm","level":2,"score":0.4725232720375061},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.45468708872795105},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.3519118130207062},{"id":"https://openalex.org/C18787934","wikidata":"https://www.wikidata.org/wiki/Q7565105","display_name":"Source-specific multicast","level":3,"score":0.3396703600883484},{"id":"https://openalex.org/C112037812","wikidata":"https://www.wikidata.org/wiki/Q2107523","display_name":"Pragmatic General Multicast","level":4,"score":0.21495166420936584},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.20168575644493103},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.18751290440559387},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.09743401408195496},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.08149254322052002},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.06336724758148193},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C2982854487","wikidata":"https://www.wikidata.org/wiki/Q9128","display_name":"Light source","level":2,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lwc.2020.3001119","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2020.3001119","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"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 Wireless Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G165462859","display_name":null,"funder_award_id":"61531009","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2885041571","display_name":null,"funder_award_id":"61701075","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3446369247","display_name":null,"funder_award_id":"61771107","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6634976192","display_name":null,"funder_award_id":"2019JDRC0006","funder_id":"https://openalex.org/F4320333335","funder_display_name":"Sichuan Province Science and Technology Support Program"},{"id":"https://openalex.org/G725545366","display_name":null,"funder_award_id":"61601064","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/F4320333335","display_name":"Sichuan Province Science and Technology Support Program","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W2082432933","https://openalex.org/W2296319761","https://openalex.org/W2790634998","https://openalex.org/W2916010597","https://openalex.org/W2945534522","https://openalex.org/W2949670636","https://openalex.org/W2950680381","https://openalex.org/W2953226670","https://openalex.org/W2975790550","https://openalex.org/W4250589301"],"related_works":["https://openalex.org/W2371847117","https://openalex.org/W2393131931","https://openalex.org/W2392241939","https://openalex.org/W2379693083","https://openalex.org/W2382754013","https://openalex.org/W2390304198","https://openalex.org/W1977745377","https://openalex.org/W2373348596","https://openalex.org/W2016444326","https://openalex.org/W2659348321"],"abstract_inverted_index":{"Reconfigurable":[0],"Intelligent":[1],"surface":[2],"(RIS)":[3],"can":[4],"enhance":[5,61],"the":[6,11,16,30,38,48,62,66,70,73,76,96,100],"desired":[7,63],"signals":[8,13,64,71],"and":[9,68,79,84],"suppress":[10,69],"undesired":[12],"by":[14],"adjusting":[15],"phase":[17],"shifts":[18],"of":[19,32,44,50],"its":[20],"reflector":[21],"elements.":[22],"This":[23],"letter":[24,94],"considers":[25],"secure":[26],"multicast":[27,78],"communication":[28],"with":[29],"help":[31],"RIS.":[33],"A":[34],"multiple-antennas":[35],"transmitter":[36],"multicasts":[37],"common":[39],"messages":[40],"to":[41,60,104,113],"a":[42,51,85,107,115],"group":[43],"single-antenna":[45,52],"receivers":[46,67],"in":[47],"presence":[49],"eavesdropper,":[53],"where":[54],"an":[55],"RIS":[56],"is":[57,90,111],"set":[58],"up":[59],"for":[65,72],"eavesdropper.":[74],"First,":[75],"equivalent":[77],"wiretap":[80],"channels":[81],"are":[82],"analyzed,":[83],"secrecy":[86],"capacity":[87],"maximization":[88],"problem":[89],"formulated.":[91],"Next,":[92],"this":[93],"obtains":[95],"necessary":[97],"conditions":[98],"that":[99],"optimal":[101,117],"solution":[102],"needs":[103],"satisfy.":[105],"Finally,":[106],"logarithmic":[108],"barrier":[109],"algorithm":[110],"proposed":[112],"obtain":[114],"local":[116],"solution.":[118]},"counts_by_year":[{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":7},{"year":2019,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}