{"id":"https://openalex.org/W2963234817","doi":"https://doi.org/10.1109/tccn.2017.2748132","title":"Enhancing PHY Security of Cooperative Cognitive Radio Multicast Communications: A Power Minimization Approach","display_name":"Enhancing PHY Security of Cooperative Cognitive Radio Multicast Communications: A Power Minimization Approach","publication_year":2017,"publication_date":"2017-12-22","ids":{"openalex":"https://openalex.org/W2963234817","doi":"https://doi.org/10.1109/tccn.2017.2748132","mag":"2963234817"},"language":"en","primary_location":{"id":"pmh:oai:pure.qub.ac.uk/portal:publications/be731093-2801-4711-809f-835ee476e0f7","is_oa":false,"landing_page_url":"https://pure.qub.ac.uk/en/publications/be731093-2801-4711-809f-835ee476e0f7","pdf_url":null,"source":{"id":"https://openalex.org/S4306402319","display_name":"Research Portal (Queen's University Belfast)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I126231945","host_organization_name":"Queen's University Belfast","host_organization_lineage":["https://openalex.org/I126231945"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Nguyen, V D, Duong, Q, Shin, O-S, Nallanathan, A & Karagiannidis, G K 2017, 'Enhancing PHY Security of Cooperative Cognitive Radio Multicast Communications: A Power Minimization Approach', IEEE Transactions on Cognitive Communications and Networking, vol. 3, no. 4, pp. 599-613. https://doi.org/10.1109/TCCN.2017.2748132","raw_type":"info:eu-repo/semantics/publishedVersion"},"type":"article","indexed_in":[],"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/A5037305946","display_name":"Van\u2010Dinh Nguyen","orcid":"https://orcid.org/0000-0002-9575-1063"},"institutions":[{"id":"https://openalex.org/I141371507","display_name":"Soongsil University","ror":"https://ror.org/017xnm587","country_code":"KR","type":"education","lineage":["https://openalex.org/I141371507"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Nguyen, Van Dinh","raw_affiliation_strings":["Soongsil University","School of Electronic Engineering and the Department of ICMC Convergence Technology, Soongsil University, Seoul, South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Soongsil University","institution_ids":["https://openalex.org/I141371507"]},{"raw_affiliation_string":"School of Electronic Engineering and the Department of ICMC Convergence Technology, Soongsil University, Seoul, South Korea","institution_ids":["https://openalex.org/I141371507"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Duong, Quang","orcid":null},"institutions":[{"id":"https://openalex.org/I126231945","display_name":"Queen's University Belfast","ror":"https://ror.org/00hswnk62","country_code":"GB","type":"education","lineage":["https://openalex.org/I126231945"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Duong, Quang","raw_affiliation_strings":["School of Electronics, Electrical Engineering and Computer Science","School of Electronics, Electrical Engineering and Computer Science, Queen's University Belfast, Belfast, U.K"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronics, Electrical Engineering and Computer Science","institution_ids":[]},{"raw_affiliation_string":"School of Electronics, Electrical Engineering and Computer Science, Queen's University Belfast, Belfast, U.K","institution_ids":["https://openalex.org/I126231945"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039057268","display_name":"Oh\u2010Soon Shin","orcid":"https://orcid.org/0000-0002-6984-8240"},"institutions":[{"id":"https://openalex.org/I141371507","display_name":"Soongsil University","ror":"https://ror.org/017xnm587","country_code":"KR","type":"education","lineage":["https://openalex.org/I141371507"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Shin, Oh-Soon","raw_affiliation_strings":["Soongsil University","School of Electronic Engineering and the Department of ICMC Convergence Technology, Soongsil University, Seoul, South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Soongsil University","institution_ids":["https://openalex.org/I141371507"]},{"raw_affiliation_string":"School of Electronic Engineering and the Department of ICMC Convergence Technology, Soongsil University, Seoul, South Korea","institution_ids":["https://openalex.org/I141371507"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002265731","display_name":"Arumugam Nallanathan","orcid":"https://orcid.org/0000-0001-8337-5884"},"institutions":[{"id":"https://openalex.org/I166337079","display_name":"Queen Mary University of London","ror":"https://ror.org/026zzn846","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I166337079"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Nallanathan, Arumugam","raw_affiliation_strings":["Queen Mary University of London","School of Electronic Engineering and Computer Science, Queen Mary University of London, London, U.K"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Queen Mary University of London","institution_ids":["https://openalex.org/I166337079"]},{"raw_affiliation_string":"School of Electronic Engineering and Computer Science, Queen Mary University of London, London, U.K","institution_ids":["https://openalex.org/I166337079"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5061744244","display_name":"George K. Karagiannidis","orcid":"https://orcid.org/0000-0001-8810-0345"},"institutions":[{"id":"https://openalex.org/I21370196","display_name":"Aristotle University of Thessaloniki","ror":"https://ror.org/02j61yw88","country_code":"GR","type":"education","lineage":["https://openalex.org/I21370196"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Karagiannidis, George K.","raw_affiliation_strings":["Aristotle University of Thessaloniki","Department of Electrical and Computer Engineering, Aristotle University of Thessaloniki, Thessaloniki, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Aristotle University of Thessaloniki","institution_ids":["https://openalex.org/I21370196"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Aristotle University of Thessaloniki, Thessaloniki, Greece","institution_ids":["https://openalex.org/I21370196"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5037305946"],"corresponding_institution_ids":["https://openalex.org/I141371507"],"apc_list":null,"apc_paid":null,"fwci":2.7761,"has_fulltext":false,"cited_by_count":33,"citation_normalized_percentile":{"value":0.9131443,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"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":1.0,"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":1.0,"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/T10579","display_name":"Cognitive Radio Networks and Spectrum Sensing","score":0.9987999796867371,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9966999888420105,"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/computer-science","display_name":"Computer science","score":0.8409278392791748},{"id":"https://openalex.org/keywords/cognitive-radio","display_name":"Cognitive radio","score":0.8305565118789673},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.6431705951690674},{"id":"https://openalex.org/keywords/multicast","display_name":"Multicast","score":0.6119052767753601},{"id":"https://openalex.org/keywords/secrecy","display_name":"Secrecy","score":0.5021576881408691},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.5010154247283936},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.4980509281158447},{"id":"https://openalex.org/keywords/eavesdropping","display_name":"Eavesdropping","score":0.4678075313568115},{"id":"https://openalex.org/keywords/artificial-noise","display_name":"Artificial noise","score":0.4639183282852173},{"id":"https://openalex.org/keywords/convex-optimization","display_name":"Convex optimization","score":0.41101622581481934},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.40683162212371826},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.3909700810909271},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.36014658212661743},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.2391912341117859},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.21864411234855652},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.21524843573570251},{"id":"https://openalex.org/keywords/regular-polygon","display_name":"Regular polygon","score":0.11901500821113586},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.11607998609542847}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8409278392791748},{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.8305565118789673},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.6431705951690674},{"id":"https://openalex.org/C32295351","wikidata":"https://www.wikidata.org/wiki/Q899288","display_name":"Multicast","level":2,"score":0.6119052767753601},{"id":"https://openalex.org/C2776452267","wikidata":"https://www.wikidata.org/wiki/Q1503443","display_name":"Secrecy","level":2,"score":0.5021576881408691},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.5010154247283936},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.4980509281158447},{"id":"https://openalex.org/C2776788033","wikidata":"https://www.wikidata.org/wiki/Q320769","display_name":"Eavesdropping","level":2,"score":0.4678075313568115},{"id":"https://openalex.org/C2780909371","wikidata":"https://www.wikidata.org/wiki/Q4801092","display_name":"Artificial noise","level":4,"score":0.4639183282852173},{"id":"https://openalex.org/C157972887","wikidata":"https://www.wikidata.org/wiki/Q463359","display_name":"Convex optimization","level":3,"score":0.41101622581481934},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.40683162212371826},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.3909700810909271},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.36014658212661743},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.2391912341117859},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.21864411234855652},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.21524843573570251},{"id":"https://openalex.org/C112680207","wikidata":"https://www.wikidata.org/wiki/Q714886","display_name":"Regular polygon","level":2,"score":0.11901500821113586},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.11607998609542847},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"pmh:oai:pure.qub.ac.uk/portal:publications/be731093-2801-4711-809f-835ee476e0f7","is_oa":false,"landing_page_url":"https://pure.qub.ac.uk/en/publications/be731093-2801-4711-809f-835ee476e0f7","pdf_url":null,"source":{"id":"https://openalex.org/S4306402319","display_name":"Research Portal (Queen's University Belfast)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I126231945","host_organization_name":"Queen's University Belfast","host_organization_lineage":["https://openalex.org/I126231945"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Nguyen, V D, Duong, Q, Shin, O-S, Nallanathan, A & Karagiannidis, G K 2017, 'Enhancing PHY Security of Cooperative Cognitive Radio Multicast Communications: A Power Minimization Approach', IEEE Transactions on Cognitive Communications and Networking, vol. 3, no. 4, pp. 599-613. https://doi.org/10.1109/TCCN.2017.2748132","raw_type":"info:eu-repo/semantics/publishedVersion"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2342478909","display_name":null,"funder_award_id":"RF1415/14/22","funder_id":"https://openalex.org/F4320320005","funder_display_name":"Royal Academy of Engineering"},{"id":"https://openalex.org/G3572735239","display_name":null,"funder_award_id":"2017R1D1A1B03030436","funder_id":"https://openalex.org/F4320311687","funder_display_name":"Ministry of Education"},{"id":"https://openalex.org/G5939749315","display_name":"Modelling, Analysis, and Design of Ultra-Dense Cellular Networks","funder_award_id":"EP/P019374/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G8457556697","display_name":null,"funder_award_id":"NRF-2017R1A5A1015596","funder_id":"https://openalex.org/F4320322120","funder_display_name":"National Research Foundation of Korea"}],"funders":[{"id":"https://openalex.org/F4320311687","display_name":"Ministry of Education","ror":"https://ror.org/03m01yf64"},{"id":"https://openalex.org/F4320320005","display_name":"Royal Academy of Engineering","ror":"https://ror.org/0526snb40"},{"id":"https://openalex.org/F4320322120","display_name":"National Research Foundation of Korea","ror":"https://ror.org/013aysd81"},{"id":"https://openalex.org/F4320334627","display_name":"Engineering and Physical Sciences Research Council","ror":"https://ror.org/0439y7842"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":47,"referenced_works":["https://openalex.org/W1568096262","https://openalex.org/W1568307856","https://openalex.org/W1969648546","https://openalex.org/W1999913571","https://openalex.org/W2007529001","https://openalex.org/W2009204314","https://openalex.org/W2013605702","https://openalex.org/W2013906384","https://openalex.org/W2015886950","https://openalex.org/W2036484244","https://openalex.org/W2040918887","https://openalex.org/W2043629111","https://openalex.org/W2043769961","https://openalex.org/W2048752596","https://openalex.org/W2049436509","https://openalex.org/W2060416030","https://openalex.org/W2061759835","https://openalex.org/W2077733750","https://openalex.org/W2080693943","https://openalex.org/W2092086200","https://openalex.org/W2112513314","https://openalex.org/W2114846147","https://openalex.org/W2119812855","https://openalex.org/W2125884950","https://openalex.org/W2126423090","https://openalex.org/W2128153585","https://openalex.org/W2129457795","https://openalex.org/W2130324471","https://openalex.org/W2133108373","https://openalex.org/W2134841917","https://openalex.org/W2135137654","https://openalex.org/W2144007657","https://openalex.org/W2154069827","https://openalex.org/W2155384626","https://openalex.org/W2156186849","https://openalex.org/W2290573153","https://openalex.org/W2330857137","https://openalex.org/W2505665730","https://openalex.org/W2587494249","https://openalex.org/W2592126612","https://openalex.org/W2801213956","https://openalex.org/W2963094202","https://openalex.org/W3105289681","https://openalex.org/W3150183338","https://openalex.org/W4249840661","https://openalex.org/W4251616545","https://openalex.org/W4300840296"],"related_works":["https://openalex.org/W1993671760","https://openalex.org/W2376754011","https://openalex.org/W3026778509","https://openalex.org/W2784134993","https://openalex.org/W2462883630","https://openalex.org/W4391308034","https://openalex.org/W4287776800","https://openalex.org/W2951619176","https://openalex.org/W3188430173","https://openalex.org/W3116845106"],"abstract_inverted_index":{"In":[0,86],"this":[1,64,123],"paper,":[2],"we":[3,125,153],"propose":[4,126],"a":[5,48,135,149,177],"cooperative":[6],"approach":[7,157],"to":[8,26,31,51,67,78,130,134,147,158,186],"improve":[9],"the":[10,27,32,35,40,52,69,73,87,99,101,109,116,139,155,159,169,172,188],"security":[11,45],"of":[12,63,72,89,104,138,161],"both":[13],"primary":[14,33,41,81],"and":[15,92,108,114,164,181],"secondary":[16,36,74],"systems":[17],"in":[18,43,184],"cognitive":[19],"radio":[20],"multicast":[21],"communications.":[22],"During":[23],"their":[24],"access":[25],"frequency":[28],"spectrum":[29],"licensed":[30],"users,":[34],"unlicensed":[37],"users":[38],"assist":[39],"system":[42],"fortifying":[44],"by":[46],"sending":[47],"jamming":[49],"noise":[50],"eavesdroppers,":[53],"while":[54,76],"simultaneously":[55],"protect":[56],"themselves":[57],"from":[58],"eavesdropping.":[59],"The":[60],"main":[61],"objective":[62],"paper":[65],"is":[66,106,145],"maximize":[68],"secrecy":[70,83],"rate":[71,84],"system,":[75],"adhering":[77],"all":[79],"individual":[80],"users\u2019":[82],"constraints.":[85],"case":[88,160],"active":[90],"eavesdroppers":[91,163],"perfect":[93],"channel":[94],"state":[95],"information":[96],"(CSI)":[97],"at":[98,132,168],"transceivers,":[100,170],"utility":[102],"function":[103],"interest":[105],"nonconcave":[107],"involved":[110],"constraints":[111,173],"are":[112,119,174],"nonconvex,":[113],"thus,":[115],"optimal":[117,189],"solutions":[118],"troublesome.":[120],"To":[121],"solve":[122],"problem,":[124],"an":[127],"iterative":[128],"algorithm":[129,144],"arrive":[131],"least":[133],"local":[136],"optimum":[137],"original":[140],"nonconvex":[141],"problem.":[142],"This":[143],"guaranteed":[146],"achieve":[148],"Karush\u2013Kuhn\u2013Tucker":[150],"solution.":[151,190],"Then,":[152],"extend":[154],"optimization":[156],"passive":[162],"imperfect":[165],"CSI":[166],"knowledge":[167],"where":[171],"transformed":[175],"into":[176],"linear":[178],"matrix":[179],"inequality":[180],"convex":[182],"constraints,":[183],"order":[185],"facilitate":[187]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":11}],"updated_date":"2026-04-28T14:05:53.105641","created_date":"2025-10-10T00:00:00"}