{"id":"https://openalex.org/W3047225922","doi":"https://doi.org/10.1109/spawc48557.2020.9153886","title":"Linear Precoder Design for Physical Layer Security via Reconfigurable Intelligent Surfaces","display_name":"Linear Precoder Design for Physical Layer Security via Reconfigurable Intelligent Surfaces","publication_year":2020,"publication_date":"2020-05-01","ids":{"openalex":"https://openalex.org/W3047225922","doi":"https://doi.org/10.1109/spawc48557.2020.9153886","mag":"3047225922"},"language":"en","primary_location":{"id":"doi:10.1109/spawc48557.2020.9153886","is_oa":false,"landing_page_url":"https://doi.org/10.1109/spawc48557.2020.9153886","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 IEEE 21st International Workshop on Signal Processing Advances in Wireless Communications (SPAWC)","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/A5068833255","display_name":"Gayan Amarasuriya","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Gayan Amarasuriya","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Southern Illinois University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Southern Illinois University","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038203207","display_name":"Rafael F. Schaefer","orcid":"https://orcid.org/0000-0002-1702-9075"},"institutions":[{"id":"https://openalex.org/I4577782","display_name":"Technische Universit\u00e4t Berlin","ror":"https://ror.org/03v4gjf40","country_code":"DE","type":"education","lineage":["https://openalex.org/I4577782"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Rafael F. Schaefer","raw_affiliation_strings":["Information Theory and Applications Chair, Technische Universit\u00e4t Berlin"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Information Theory and Applications Chair, Technische Universit\u00e4t Berlin","institution_ids":["https://openalex.org/I4577782"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5042307561","display_name":"H. Vincent Poor","orcid":"https://orcid.org/0000-0002-2062-131X"},"institutions":[{"id":"https://openalex.org/I20089843","display_name":"Princeton University","ror":"https://ror.org/00hx57361","country_code":"US","type":"education","lineage":["https://openalex.org/I20089843"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"H. Vincent Poor","raw_affiliation_strings":["Dept. of Electrical Engineering, Princeton University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Electrical Engineering, Princeton University","institution_ids":["https://openalex.org/I20089843"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9998999834060669,"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":0.9998999834060669,"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/T10964","display_name":"Wireless Communication Security Techniques","score":0.9742000102996826,"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":0.9706000089645386,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/physical-layer","display_name":"Physical layer","score":0.755082368850708},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6892776489257812},{"id":"https://openalex.org/keywords/relaxation","display_name":"Relaxation (psychology)","score":0.5300120115280151},{"id":"https://openalex.org/keywords/gaussian","display_name":"Gaussian","score":0.5083543658256531},{"id":"https://openalex.org/keywords/phase","display_name":"Phase (matter)","score":0.4936176538467407},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.4320463240146637},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.4074837565422058},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3576284348964691},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.33357614278793335},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.16427385807037354},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1604946255683899},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.15812429785728455},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.11127129197120667}],"concepts":[{"id":"https://openalex.org/C19247436","wikidata":"https://www.wikidata.org/wiki/Q192727","display_name":"Physical layer","level":3,"score":0.755082368850708},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6892776489257812},{"id":"https://openalex.org/C2776029896","wikidata":"https://www.wikidata.org/wiki/Q3935810","display_name":"Relaxation (psychology)","level":2,"score":0.5300120115280151},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.5083543658256531},{"id":"https://openalex.org/C44280652","wikidata":"https://www.wikidata.org/wiki/Q104837","display_name":"Phase (matter)","level":2,"score":0.4936176538467407},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.4320463240146637},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.4074837565422058},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3576284348964691},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.33357614278793335},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.16427385807037354},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1604946255683899},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.15812429785728455},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.11127129197120667},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/spawc48557.2020.9153886","is_oa":false,"landing_page_url":"https://doi.org/10.1109/spawc48557.2020.9153886","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 IEEE 21st International Workshop on Signal Processing Advances in Wireless Communications (SPAWC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":26,"referenced_works":["https://openalex.org/W252932944","https://openalex.org/W1528703258","https://openalex.org/W1997834106","https://openalex.org/W2082432933","https://openalex.org/W2136389908","https://openalex.org/W2296319761","https://openalex.org/W2566769952","https://openalex.org/W2725842974","https://openalex.org/W2735938380","https://openalex.org/W2805166665","https://openalex.org/W2891354184","https://openalex.org/W2945534522","https://openalex.org/W2949670636","https://openalex.org/W2950680381","https://openalex.org/W2953226670","https://openalex.org/W2963121727","https://openalex.org/W2968810373","https://openalex.org/W2975790550","https://openalex.org/W2995125955","https://openalex.org/W2995220356","https://openalex.org/W3009563387","https://openalex.org/W3045212475","https://openalex.org/W4250589301","https://openalex.org/W6609493620","https://openalex.org/W6771181425","https://openalex.org/W6772203424"],"related_works":["https://openalex.org/W4286787716","https://openalex.org/W3035129152","https://openalex.org/W3089263585","https://openalex.org/W4287854872","https://openalex.org/W2084105443","https://openalex.org/W2460691506","https://openalex.org/W2145133125","https://openalex.org/W3034055398","https://openalex.org/W2908171849","https://openalex.org/W1502347072"],"abstract_inverted_index":{"The":[0,14,115],"feasibility":[1],"of":[2,46,55,63,67,75,84,97,111,131,182],"provisioning":[3],"physical":[4],"layer":[5],"security":[6],"via":[7,51],"reconfigurable":[8],"intelligent":[9,56],"surfaces":[10],"(RISs)":[11],"is":[12,17,119],"investigated.":[13],"key":[15],"idea":[16],"to":[18,102,126,179],"constructively":[19],"combine":[20],"the":[21,25,36,68,76,100,104,109,129,132,135,152,170],"signals":[22,49],"received":[23],"through":[24],"direct":[26],"and":[27,70,185],"reflected":[28],"channels":[29],"at":[30,39,59,99],"a":[31,40,52,60,71,112,144,175],"legitimate":[32],"user,":[33],"while":[34],"degrading":[35],"signal":[37],"quality":[38],"passive":[41,64,113],"eavesdropper":[42],"by":[43,121,147,160],"destructive":[44],"combining":[45],"these":[47],"two":[48],"enabled":[50],"joint":[53,180],"effect":[54],"phase":[57],"control":[58],"large":[61],"number":[62],"reflective":[65],"elements":[66],"RIS":[69,101,186],"corresponding":[72],"precoder":[73,184],"design":[74,138],"base-station.":[77],"To":[78],"this":[79],"end,":[80],"we":[81],"advocate":[82],"adoption":[83],"linear":[85],"precoders,":[86],"which":[87],"are":[88],"designed":[89],"based":[90],"on":[91],"cascaded":[92],"channels,":[93],"with":[94],"sole":[95],"optimization":[96,117,181],"phase-shifts":[98,130],"maximize":[103],"achievable":[105],"secrecy":[106],"rate":[107],"in":[108],"presence":[110],"eavesdropper.":[114],"underlying":[116],"problem":[118,139],"solved":[120],"developing":[122],"an":[123],"alternating":[124],"algorithm":[125],"iteratively":[127],"update":[128],"RIS.":[133],"Specifically,":[134],"optimal":[136,153],"phase-shift":[137,154],"can":[140,156],"be":[141,157],"modeled":[142],"as":[143,174],"semidefinite":[145],"program":[146],"using":[148,161],"relaxation":[149],"techniques.":[150,164],"Thereby,":[151],"values":[155],"closely":[158],"approximated":[159],"Gaussian":[162],"randomization":[163],"Our":[165],"numerical":[166],"results":[167],"show":[168],"that":[169],"proposed":[171],"technique":[172],"serves":[173],"practical-viable":[176],"low-complexity":[177],"alternative":[178],"non-linear":[183],"phase-shifts.":[187]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
