{"id":"https://openalex.org/W2121885780","doi":"https://doi.org/10.1109/twc.2015.2463818","title":"Achieving Secrecy Without Knowing the Number of Eavesdropper Antennas","display_name":"Achieving Secrecy Without Knowing the Number of Eavesdropper Antennas","publication_year":2015,"publication_date":"2015-08-03","ids":{"openalex":"https://openalex.org/W2121885780","doi":"https://doi.org/10.1109/twc.2015.2463818","mag":"2121885780"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2015.2463818","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2015.2463818","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":["arxiv","crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/1508.00105","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Biao He","orcid":null},"institutions":[{"id":"https://openalex.org/I118347636","display_name":"Australian National University","ror":"https://ror.org/019wvm592","country_code":"AU","type":"education","lineage":["https://openalex.org/I118347636"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Biao He","raw_affiliation_strings":["Research School of Engineering, Australian National University, Canberra, ACT, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Research School of Engineering, Australian National University, Canberra, ACT, Australia","institution_ids":["https://openalex.org/I118347636"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Xiangyun Zhou","orcid":null},"institutions":[{"id":"https://openalex.org/I118347636","display_name":"Australian National University","ror":"https://ror.org/019wvm592","country_code":"AU","type":"education","lineage":["https://openalex.org/I118347636"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Xiangyun Zhou","raw_affiliation_strings":["Research School of Engineering, Australian National University, Canberra, ACT, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Research School of Engineering, Australian National University, Canberra, ACT, Australia","institution_ids":["https://openalex.org/I118347636"]}]},{"author_position":"last","author":{"id":null,"display_name":"Thushara D. Abhayapala","orcid":null},"institutions":[{"id":"https://openalex.org/I118347636","display_name":"Australian National University","ror":"https://ror.org/019wvm592","country_code":"AU","type":"education","lineage":["https://openalex.org/I118347636"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Thushara D. Abhayapala","raw_affiliation_strings":["Research School of Engineering, Australian National University, Canberra, ACT, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Research School of Engineering, Australian National University, Canberra, ACT, Australia","institution_ids":["https://openalex.org/I118347636"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I118347636"],"apc_list":null,"apc_paid":null,"fwci":1.123,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.79978193,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"14","issue":"12","first_page":"7030","last_page":"7043"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10964","display_name":"Wireless Communication Security Techniques","score":0.9890999794006348,"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/T10964","display_name":"Wireless Communication Security Techniques","score":0.9890999794006348,"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":0.002099999925121665,"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.0010999999940395355,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/jamming","display_name":"Jamming","score":0.8066999912261963},{"id":"https://openalex.org/keywords/secrecy","display_name":"Secrecy","score":0.8052999973297119},{"id":"https://openalex.org/keywords/physical-layer","display_name":"Physical layer","score":0.7444999814033508},{"id":"https://openalex.org/keywords/constraint","display_name":"Constraint (computer-aided design)","score":0.5877000093460083},{"id":"https://openalex.org/keywords/artificial-noise","display_name":"Artificial noise","score":0.5426999926567078},{"id":"https://openalex.org/keywords/secure-communication","display_name":"Secure communication","score":0.5184999704360962},{"id":"https://openalex.org/keywords/information-theoretic-security","display_name":"Information-theoretic security","score":0.47859999537467957},{"id":"https://openalex.org/keywords/stochastic-geometry","display_name":"Stochastic geometry","score":0.358599990606308}],"concepts":[{"id":"https://openalex.org/C2779079576","wikidata":"https://www.wikidata.org/wiki/Q17092823","display_name":"Jamming","level":2,"score":0.8066999912261963},{"id":"https://openalex.org/C2776452267","wikidata":"https://www.wikidata.org/wiki/Q1503443","display_name":"Secrecy","level":2,"score":0.8052999973297119},{"id":"https://openalex.org/C19247436","wikidata":"https://www.wikidata.org/wiki/Q192727","display_name":"Physical layer","level":3,"score":0.7444999814033508},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7196000218391418},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.5877000093460083},{"id":"https://openalex.org/C2780909371","wikidata":"https://www.wikidata.org/wiki/Q4801092","display_name":"Artificial noise","level":4,"score":0.5426999926567078},{"id":"https://openalex.org/C510870077","wikidata":"https://www.wikidata.org/wiki/Q7444868","display_name":"Secure communication","level":3,"score":0.5184999704360962},{"id":"https://openalex.org/C47191418","wikidata":"https://www.wikidata.org/wiki/Q3510462","display_name":"Information-theoretic security","level":3,"score":0.47859999537467957},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3952000141143799},{"id":"https://openalex.org/C31243852","wikidata":"https://www.wikidata.org/wiki/Q1666739","display_name":"Stochastic geometry","level":2,"score":0.358599990606308},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.3481000065803528},{"id":"https://openalex.org/C2779814227","wikidata":"https://www.wikidata.org/wiki/Q7444882","display_name":"Secure transmission","level":3,"score":0.31450000405311584},{"id":"https://openalex.org/C2776788033","wikidata":"https://www.wikidata.org/wiki/Q320769","display_name":"Eavesdropping","level":2,"score":0.30570000410079956},{"id":"https://openalex.org/C150060386","wikidata":"https://www.wikidata.org/wiki/Q7574054","display_name":"Spatial correlation","level":2,"score":0.3012000024318695},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.2971999943256378},{"id":"https://openalex.org/C116544410","wikidata":"https://www.wikidata.org/wiki/Q1478122","display_name":"Shadow mapping","level":2,"score":0.29600000381469727},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.2948000133037567},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.2921000123023987},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.2890999913215637},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.28850001096725464},{"id":"https://openalex.org/C101765175","wikidata":"https://www.wikidata.org/wiki/Q577764","display_name":"Communications system","level":2,"score":0.25279998779296875}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/twc.2015.2463818","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2015.2463818","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"},{"id":"pmh:oai:arXiv.org:1508.00105","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1508.00105","pdf_url":"https://arxiv.org/pdf/1508.00105","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"pmh:oai:openresearch-repository.anu.edu.au:1885/147648","is_oa":false,"landing_page_url":"http://hdl.handle.net/1885/147648","pdf_url":null,"source":{"id":"https://openalex.org/S4306402539","display_name":"ANU Open Research (Australian National University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I118347636","host_organization_name":"Australian National University","host_organization_lineage":["https://openalex.org/I118347636"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Transactions on Wireless Communications","raw_type":"Journal article"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:1508.00105","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1508.00105","pdf_url":"https://arxiv.org/pdf/1508.00105","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":30,"referenced_works":["https://openalex.org/W949353694","https://openalex.org/W1505267574","https://openalex.org/W1512386493","https://openalex.org/W1568096262","https://openalex.org/W1847870384","https://openalex.org/W1992472354","https://openalex.org/W2007529001","https://openalex.org/W2043769961","https://openalex.org/W2051767912","https://openalex.org/W2054692642","https://openalex.org/W2068916891","https://openalex.org/W2072563372","https://openalex.org/W2081191276","https://openalex.org/W2091271483","https://openalex.org/W2093554016","https://openalex.org/W2113958770","https://openalex.org/W2128153585","https://openalex.org/W2130338727","https://openalex.org/W2133406100","https://openalex.org/W2135137654","https://openalex.org/W2140296346","https://openalex.org/W2141682101","https://openalex.org/W2144007657","https://openalex.org/W2157828728","https://openalex.org/W2163185922","https://openalex.org/W2949672874","https://openalex.org/W6605825733","https://openalex.org/W6614425889","https://openalex.org/W6629993563","https://openalex.org/W6630254675"],"related_works":[],"abstract_inverted_index":{"The":[0],"existing":[1],"research":[2],"on":[3],"physical":[4,64],"layer":[5,65],"security":[6],"commonly":[7],"assumes":[8],"the":[9,25,51,58,68,93,97,104,111,116,134,142,158,167,174,178,184],"number":[10,52,83,105,147],"of":[11,53,60,90,96,106,115,136,148,177],"eavesdropper":[12,54,69,98,107,143],"antennas":[13,55,149],"to":[14,22,44,72,78],"be":[15,32],"known.":[16],"Although":[17],"this":[18,37],"assumption":[19],"allows":[20],"one":[21],"easily":[23],"compute":[24],"achievable":[26,112,132,159],"secrecy":[27,113,129,160,185],"rate,":[28],"it":[29],"can":[30],"hardly":[31],"realized":[33],"in":[34,150],"practice.":[35],"In":[36],"paper,":[38],"we":[39,155,172],"provide":[40],"an":[41,81,145],"innovative":[42],"approach":[43],"studying":[45],"secure":[46],"communication":[47],"systems":[48],"without":[49,121],"knowing":[50,92,103],"by":[56],"introducing":[57],"concept":[59],"spatial":[61,76,94,152],"constraint":[62,95],"into":[63],"security.":[66],"Specifically,":[67],"is":[70,99,131],"assumed":[71],"have":[73],"a":[74,87,127,137],"limited":[75],"region":[77],"place":[79],"(possibly":[80],"infinite":[82,146],"of)":[84],"antennas.":[85,108],"From":[86],"practical":[88],"point":[89],"view,":[91],"much":[100],"easier":[101],"than":[102],"We":[109,124],"derive":[110],"rates":[114],"spatially-constrained":[117],"system":[118],"with":[119,133,166],"and":[120,170],"friendly":[122,138],"jamming.":[123],"show":[125],"that":[126,157,182],"non-zero":[128],"rate":[130,161],"help":[135],"jammer,":[139],"even":[140],"if":[141],"places":[144],"its":[151],"region.":[153],"Furthermore,":[154],"find":[156],"does":[162],"not":[163],"monotonically":[164],"increase":[165],"jamming":[168,180],"power,":[169],"hence,":[171],"obtain":[173],"closed-form":[175],"solution":[176],"optimal":[179],"power":[181],"maximizes":[183],"rate.":[186]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":3}],"updated_date":"2026-07-28T07:46:37.118299","created_date":"2016-06-24T00:00:00"}