{"id":"https://openalex.org/W2073216863","doi":"https://doi.org/10.1109/icassp.2014.6854697","title":"Robust relay beamforming for multiple-antenna amplify-and-forward relay system in the presence of eavesdropper","display_name":"Robust relay beamforming for multiple-antenna amplify-and-forward relay system in the presence of eavesdropper","publication_year":2014,"publication_date":"2014-05-01","ids":{"openalex":"https://openalex.org/W2073216863","doi":"https://doi.org/10.1109/icassp.2014.6854697","mag":"2073216863"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2014.6854697","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2014.6854697","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","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/A5016442564","display_name":"Xiyuan Wang","orcid":"https://orcid.org/0009-0006-0245-071X"},"institutions":[{"id":"https://openalex.org/I92403157","display_name":"University of Science and Technology Beijing","ror":"https://ror.org/02egmk993","country_code":"CN","type":"education","lineage":["https://openalex.org/I92403157"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiyuan Wang","raw_affiliation_strings":["Institute of Advanced Network Technologies and New Services, University of Science and Technology Beijing, Beijing, China","Inst. of Adv. Network Technol. & New Services, Univ. of Sci. & Technol. Beijing, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Advanced Network Technologies and New Services, University of Science and Technology Beijing, Beijing, China","institution_ids":["https://openalex.org/I92403157"]},{"raw_affiliation_string":"Inst. of Adv. Network Technol. & New Services, Univ. of Sci. & Technol. Beijing, Beijing, China","institution_ids":["https://openalex.org/I92403157"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101673576","display_name":"Zhongshan Zhang","orcid":"https://orcid.org/0000-0003-2924-8926"},"institutions":[{"id":"https://openalex.org/I92403157","display_name":"University of Science and Technology Beijing","ror":"https://ror.org/02egmk993","country_code":"CN","type":"education","lineage":["https://openalex.org/I92403157"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhongshan Zhang","raw_affiliation_strings":["Institute of Advanced Network Technologies and New Services, University of Science and Technology Beijing, Beijing, China","Inst. of Adv. Network Technol. & New Services, Univ. of Sci. & Technol. Beijing, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Advanced Network Technologies and New Services, University of Science and Technology Beijing, Beijing, China","institution_ids":["https://openalex.org/I92403157"]},{"raw_affiliation_string":"Inst. of Adv. Network Technol. & New Services, Univ. of Sci. & Technol. Beijing, Beijing, China","institution_ids":["https://openalex.org/I92403157"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5029384171","display_name":"Keping Long","orcid":"https://orcid.org/0000-0001-6678-6075"},"institutions":[{"id":"https://openalex.org/I92403157","display_name":"University of Science and Technology Beijing","ror":"https://ror.org/02egmk993","country_code":"CN","type":"education","lineage":["https://openalex.org/I92403157"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Keping Long","raw_affiliation_strings":["Institute of Advanced Network Technologies and New Services, University of Science and Technology Beijing, Beijing, China","Inst. of Adv. Network Technol. & New Services, Univ. of Sci. & Technol. Beijing, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Advanced Network Technologies and New Services, University of Science and Technology Beijing, Beijing, China","institution_ids":["https://openalex.org/I92403157"]},{"raw_affiliation_string":"Inst. of Adv. Network Technol. & New Services, Univ. of Sci. & Technol. Beijing, Beijing, China","institution_ids":["https://openalex.org/I92403157"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I92403157"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10964","display_name":"Wireless Communication Security Techniques","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/T10964","display_name":"Wireless Communication Security Techniques","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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9990000128746033,"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"}},{"id":"https://openalex.org/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9958999752998352,"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/relay","display_name":"Relay","score":0.8420616984367371},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.7482249736785889},{"id":"https://openalex.org/keywords/relay-channel","display_name":"Relay channel","score":0.5568354725837708},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5516963601112366},{"id":"https://openalex.org/keywords/singular-value-decomposition","display_name":"Singular value decomposition","score":0.5108201503753662},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.4933554232120514},{"id":"https://openalex.org/keywords/maximization","display_name":"Maximization","score":0.44632667303085327},{"id":"https://openalex.org/keywords/bounded-function","display_name":"Bounded function","score":0.41704240441322327},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.413099080324173},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.37487632036209106},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.36157476902008057},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.3167443871498108},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3045872151851654},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.2731866240501404},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.08160030841827393},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.08153191208839417}],"concepts":[{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.8420616984367371},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.7482249736785889},{"id":"https://openalex.org/C46257984","wikidata":"https://www.wikidata.org/wiki/Q7310895","display_name":"Relay channel","level":4,"score":0.5568354725837708},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5516963601112366},{"id":"https://openalex.org/C22789450","wikidata":"https://www.wikidata.org/wiki/Q420904","display_name":"Singular value decomposition","level":2,"score":0.5108201503753662},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.4933554232120514},{"id":"https://openalex.org/C2776330181","wikidata":"https://www.wikidata.org/wiki/Q18358244","display_name":"Maximization","level":2,"score":0.44632667303085327},{"id":"https://openalex.org/C34388435","wikidata":"https://www.wikidata.org/wiki/Q2267362","display_name":"Bounded function","level":2,"score":0.41704240441322327},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.413099080324173},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.37487632036209106},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.36157476902008057},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.3167443871498108},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3045872151851654},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2731866240501404},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.08160030841827393},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.08153191208839417},{"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/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp.2014.6854697","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2014.6854697","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","score":0.46000000834465027,"id":"https://metadata.un.org/sdg/16"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":25,"referenced_works":["https://openalex.org/W1972604748","https://openalex.org/W1972785130","https://openalex.org/W1984540590","https://openalex.org/W2006847454","https://openalex.org/W2011670293","https://openalex.org/W2043769961","https://openalex.org/W2055037018","https://openalex.org/W2095114822","https://openalex.org/W2096151870","https://openalex.org/W2104478100","https://openalex.org/W2105439331","https://openalex.org/W2108701612","https://openalex.org/W2118702395","https://openalex.org/W2121881701","https://openalex.org/W2124071994","https://openalex.org/W2135244448","https://openalex.org/W2139825184","https://openalex.org/W2152121970","https://openalex.org/W2161118525","https://openalex.org/W2171006634","https://openalex.org/W2171468377","https://openalex.org/W2261552527","https://openalex.org/W4237590514","https://openalex.org/W4300053452","https://openalex.org/W6692781238"],"related_works":["https://openalex.org/W2099376255","https://openalex.org/W2608897767","https://openalex.org/W2963768675","https://openalex.org/W2153829573","https://openalex.org/W2004047158","https://openalex.org/W2119153672","https://openalex.org/W2993015344","https://openalex.org/W1559320887","https://openalex.org/W2082611414","https://openalex.org/W2374704553"],"abstract_inverted_index":{"The":[0],"problem":[1,83],"of":[2,16,40,95,112],"robust":[3],"relay":[4,11,64],"beamforming":[5],"for":[6,77],"the":[7,14,22,25,38,54,78,92,96,103,110,113],"multiple-antenna":[8],"amplify-and-forward":[9],"(AF)":[10],"network":[12],"in":[13,21,102],"presence":[15],"an":[17],"eavesdropper":[18],"is":[19,42,100],"studied":[20],"paper,":[23],"with":[24,66,109],"partial":[26],"eavesdropper's":[27],"channel":[28,55],"side":[29],"information":[30],"(ECSI)":[31],"scenario":[32],"being":[33,116],"considered.":[34],"In":[35],"our":[36],"work,":[37],"uncertainty":[39],"ECSI":[41],"modeled":[43],"by":[44,118],"using":[45,119],"a":[46,61,67],"bounded":[47],"region,":[48],"which":[49],"imposes":[50],"independent":[51],"constraints":[52],"on":[53],"gain":[56],"and":[57],"direction.":[58],"We":[59],"propose":[60],"new":[62],"rank-2":[63,98],"beamformer":[65,99,115],"special":[68],"singular":[69],"value":[70],"decomposition":[71],"(SVD)":[72],"structure,":[73],"whose":[74],"optimal":[75],"solution":[76],"worst-case":[79],"secrecy":[80],"rate":[81],"maximization":[82],"can":[84],"be":[85],"derived":[86],"via":[87],"simple":[88],"line":[89],"searching.":[90],"Furthermore,":[91],"asymptotic":[93],"optimality":[94],"proposed":[97,114],"proved":[101],"high-relay-power":[104],"region":[105],"under":[106],"certain":[107],"condition,":[108],"performance":[111],"verified":[117],"numerical":[120],"experiments.":[121]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2015,"cited_by_count":2}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
