{"id":"https://openalex.org/W3092283616","doi":"https://doi.org/10.1109/lwc.2020.3029797","title":"Achievable Secure Degrees of Freedom of MIMO Interference Channel With a Cooperative Jammer","display_name":"Achievable Secure Degrees of Freedom of MIMO Interference Channel With a Cooperative Jammer","publication_year":2020,"publication_date":"2020-10-09","ids":{"openalex":"https://openalex.org/W3092283616","doi":"https://doi.org/10.1109/lwc.2020.3029797","mag":"3092283616"},"language":"en","primary_location":{"id":"doi:10.1109/lwc.2020.3029797","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2020.3029797","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/A5025187681","display_name":"Qiang Wang","orcid":"https://orcid.org/0000-0002-9392-475X"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qiang Wang","raw_affiliation_strings":["National Engineering Laboratory for Mobile Network, School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-9392-475X","affiliations":[{"raw_affiliation_string":"National Engineering Laboratory for Mobile Network, School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100671127","display_name":"Tianjiao Zhang","orcid":"https://orcid.org/0000-0002-2326-0599"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tianjiao Zhang","raw_affiliation_strings":["National Engineering Laboratory for Mobile Network, School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-2326-0599","affiliations":[{"raw_affiliation_string":"National Engineering Laboratory for Mobile Network, School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5034851964","display_name":"Dongli Dong","orcid":"https://orcid.org/0000-0003-0483-4857"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]},{"id":"https://openalex.org/I180662265","display_name":"China Mobile (China)","ror":"https://ror.org/05gftfe97","country_code":"CN","type":"company","lineage":["https://openalex.org/I180662265"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dongli Dong","raw_affiliation_strings":["School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China","China Mobile Communications Group Hebei Corporation Ltd., Shijiazhuang, China"],"raw_orcid":"https://orcid.org/0000-0003-0483-4857","affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"China Mobile Communications Group Hebei Corporation Ltd., Shijiazhuang, China","institution_ids":["https://openalex.org/I180662265"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.2019,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.50846806,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"10","issue":"2","first_page":"320","last_page":"324"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10964","display_name":"Wireless Communication Security Techniques","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/T10964","display_name":"Wireless Communication Security Techniques","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/T11017","display_name":"Chaos-based Image/Signal Encryption","score":0.9894000291824341,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T12162","display_name":"Cellular Automata and Applications","score":0.955299973487854,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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/mimo","display_name":"MIMO","score":0.7207651734352112},{"id":"https://openalex.org/keywords/converse","display_name":"Converse","score":0.7087790369987488},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.6368327736854553},{"id":"https://openalex.org/keywords/degrees-of-freedom","display_name":"Degrees of freedom (physics and chemistry)","score":0.6018970608711243},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.5946629643440247},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.5760725140571594},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5752818584442139},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.5210220813751221},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5084956884384155},{"id":"https://openalex.org/keywords/secrecy","display_name":"Secrecy","score":0.4901922345161438},{"id":"https://openalex.org/keywords/jamming","display_name":"Jamming","score":0.47132614254951477},{"id":"https://openalex.org/keywords/interference-alignment","display_name":"Interference alignment","score":0.42829203605651855},{"id":"https://openalex.org/keywords/single-antenna-interference-cancellation","display_name":"Single antenna interference cancellation","score":0.42442551255226135},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.40198513865470886},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.39333975315093994},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3441067337989807},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.10754001140594482},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.09755870699882507},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.07119137048721313}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7207651734352112},{"id":"https://openalex.org/C2776809875","wikidata":"https://www.wikidata.org/wiki/Q1375963","display_name":"Converse","level":2,"score":0.7087790369987488},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.6368327736854553},{"id":"https://openalex.org/C208081375","wikidata":"https://www.wikidata.org/wiki/Q274502","display_name":"Degrees of freedom (physics and chemistry)","level":2,"score":0.6018970608711243},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.5946629643440247},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.5760725140571594},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5752818584442139},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.5210220813751221},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5084956884384155},{"id":"https://openalex.org/C2776452267","wikidata":"https://www.wikidata.org/wiki/Q1503443","display_name":"Secrecy","level":2,"score":0.4901922345161438},{"id":"https://openalex.org/C2779079576","wikidata":"https://www.wikidata.org/wiki/Q17092823","display_name":"Jamming","level":2,"score":0.47132614254951477},{"id":"https://openalex.org/C2982854036","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference alignment","level":4,"score":0.42829203605651855},{"id":"https://openalex.org/C83204339","wikidata":"https://www.wikidata.org/wiki/Q7523915","display_name":"Single antenna interference cancellation","level":3,"score":0.42442551255226135},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.40198513865470886},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.39333975315093994},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3441067337989807},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.10754001140594482},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.09755870699882507},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.07119137048721313},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"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/lwc.2020.3029797","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2020.3029797","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":[{"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16","score":0.8299999833106995}],"awards":[{"id":"https://openalex.org/G7095308093","display_name":null,"funder_award_id":"Z181100003218015","funder_id":"https://openalex.org/F4320325902","funder_display_name":"Beijing Municipal Science and Technology Commission"}],"funders":[{"id":"https://openalex.org/F4320325902","display_name":"Beijing Municipal Science and Technology Commission","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W2043769961","https://openalex.org/W2088892532","https://openalex.org/W2112967760","https://openalex.org/W2118269164","https://openalex.org/W2128153585","https://openalex.org/W2129457795","https://openalex.org/W2144007657","https://openalex.org/W2148672861","https://openalex.org/W2162370583","https://openalex.org/W2597947158","https://openalex.org/W2766905202","https://openalex.org/W2803921113","https://openalex.org/W2941024516","https://openalex.org/W2963422994"],"related_works":["https://openalex.org/W2387449261","https://openalex.org/W2418518962","https://openalex.org/W2963377682","https://openalex.org/W2043159103","https://openalex.org/W2391769344","https://openalex.org/W3024957949","https://openalex.org/W2138617844","https://openalex.org/W2073404794","https://openalex.org/W2355116737","https://openalex.org/W2040700227"],"abstract_inverted_index":{"In":[0,25],"this":[1,26,94],"letter,":[2],"the":[3,36,47,63,71,75,81,86,91,104,131,153,160],"secure":[4],"degrees":[5],"of":[6,9,88,93,130,133,143,159],"freedom":[7],"(SDoF)":[8],"2-user":[10],"multiple-input":[11],"multiple-output":[12],"(MIMO)":[13],"interference":[14,51,67],"channel":[15],"with":[16,42],"an":[17,56],"external":[18,57],"N-antenna":[19],"cooperative":[20,58],"jammer":[21],"(CJ)":[22],"is":[23,124],"considered.":[24],"model,":[27],"each":[28],"transmitter":[29],"intends":[30],"to":[31,35,79],"send":[32],"confidential":[33],"messages":[34],"corresponding":[37,76,154],"receiver":[38],"and":[39,73,84,112,136,145,163],"keep":[40],"secret":[41],"unintended":[43],"receiver.":[44],"Different":[45],"from":[46],"previous":[48],"studies":[49],"on":[50,90],"channels,":[52],"our":[53],"model":[54],"has":[55,103,113],"jammer,":[59],"which":[60],"can":[61],"improve":[62],"SDoF":[64,92],"by":[65,126,156],"transmitting":[66,110],"signals.":[68],"We":[69,96],"derive":[70],"converse":[72,123],"give":[74],"achievable":[77,150],"schemes":[78,151],"determine":[80],"exact":[82],"SDoF,":[83],"study":[85],"influence":[87],"CJ":[89,101],"system.":[95],"find":[97],"that":[98],"adding":[99,108,118],"one":[100,109,119],"antenna":[102],"same":[105],"effect":[106,116],"as":[107],"antenna,":[111],"a":[114,134],"better":[115],"than":[117],"receiving":[120],"antenna.":[121],"The":[122],"given":[125],"using":[127],"vector":[128],"extensions":[129],"role":[132],"helper":[135],"secrecy":[137],"penalty":[138],"lemmas.":[139],"For":[140],"arbitrary":[141],"values":[142],"N":[144],"M,":[146],"we":[147],"provide":[148],"different":[149],"for":[152],"regimes":[155],"making":[157],"use":[158],"symbol":[161],"extension":[162],"spatial":[164],"alignment":[165],"techniques.":[166]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}