{"id":"https://openalex.org/W3175724413","doi":"https://doi.org/10.1109/itw46852.2021.9457658","title":"On Secure Degrees of Freedom for K-User MISO Broadcast Channel With Alternating CSIT","display_name":"On Secure Degrees of Freedom for K-User MISO Broadcast Channel With Alternating CSIT","publication_year":2021,"publication_date":"2021-04-11","ids":{"openalex":"https://openalex.org/W3175724413","doi":"https://doi.org/10.1109/itw46852.2021.9457658","mag":"3175724413"},"language":"en","primary_location":{"id":"doi:10.1109/itw46852.2021.9457658","is_oa":false,"landing_page_url":"https://doi.org/10.1109/itw46852.2021.9457658","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 IEEE Information Theory Workshop (ITW)","raw_type":"proceedings-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/A5095650779","display_name":"Leyla Sadighi","orcid":"https://orcid.org/0000-0002-3017-500X"},"institutions":[{"id":"https://openalex.org/I23946033","display_name":"University of Tehran","ror":"https://ror.org/05vf56z40","country_code":"IR","type":"education","lineage":["https://openalex.org/I23946033"]}],"countries":["IR"],"is_corresponding":true,"raw_author_name":"Leyla Sadighi","raw_affiliation_strings":["University of Tehran,ECE Department","ECE Department, University of Tehran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Tehran,ECE Department","institution_ids":["https://openalex.org/I23946033"]},{"raw_affiliation_string":"ECE Department, University of Tehran","institution_ids":["https://openalex.org/I23946033"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010648032","display_name":"Sadaf Salehkalaibar","orcid":"https://orcid.org/0000-0003-1227-3797"},"institutions":[{"id":"https://openalex.org/I23946033","display_name":"University of Tehran","ror":"https://ror.org/05vf56z40","country_code":"IR","type":"education","lineage":["https://openalex.org/I23946033"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Sadaf Salehkalaibar","raw_affiliation_strings":["University of Tehran,ECE Department","ECE Department, University of Tehran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Tehran,ECE Department","institution_ids":["https://openalex.org/I23946033"]},{"raw_affiliation_string":"ECE Department, University of Tehran","institution_ids":["https://openalex.org/I23946033"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5067224441","display_name":"Stefano Rini","orcid":"https://orcid.org/0000-0003-1681-3316"},"institutions":[{"id":"https://openalex.org/I23946033","display_name":"University of Tehran","ror":"https://ror.org/05vf56z40","country_code":"IR","type":"education","lineage":["https://openalex.org/I23946033"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Stefano Rini","raw_affiliation_strings":["University of Tehran,ECE Department","ECE Department, University of Tehran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Tehran,ECE Department","institution_ids":["https://openalex.org/I23946033"]},{"raw_affiliation_string":"ECE Department, University of Tehran","institution_ids":["https://openalex.org/I23946033"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5095650779"],"corresponding_institution_ids":["https://openalex.org/I23946033"],"apc_list":null,"apc_paid":null,"fwci":0.1017,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.42378653,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"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/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":0.9936000108718872,"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/T10237","display_name":"Cryptography and Data Security","score":0.9922000169754028,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/transmitter","display_name":"Transmitter","score":0.8316425085067749},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.7728735208511353},{"id":"https://openalex.org/keywords/artificial-noise","display_name":"Artificial noise","score":0.6310657858848572},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5795279741287231},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5747439861297607},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.555662214756012},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.48988860845565796},{"id":"https://openalex.org/keywords/degrees-of-freedom","display_name":"Degrees of freedom (physics and chemistry)","score":0.4391118884086609},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4053342640399933},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.26662272214889526},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2585184574127197},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.2584592401981354},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.2007961869239807},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1926722228527069}],"concepts":[{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.8316425085067749},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.7728735208511353},{"id":"https://openalex.org/C2780909371","wikidata":"https://www.wikidata.org/wiki/Q4801092","display_name":"Artificial noise","level":4,"score":0.6310657858848572},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5795279741287231},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5747439861297607},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.555662214756012},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.48988860845565796},{"id":"https://openalex.org/C208081375","wikidata":"https://www.wikidata.org/wiki/Q274502","display_name":"Degrees of freedom (physics and chemistry)","level":2,"score":0.4391118884086609},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4053342640399933},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.26662272214889526},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2585184574127197},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.2584592401981354},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.2007961869239807},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1926722228527069},{"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/itw46852.2021.9457658","is_oa":false,"landing_page_url":"https://doi.org/10.1109/itw46852.2021.9457658","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 IEEE Information Theory Workshop (ITW)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7900000214576721,"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1567776654","https://openalex.org/W1610452409","https://openalex.org/W1999881423","https://openalex.org/W2626400166","https://openalex.org/W2943972114","https://openalex.org/W2964272926","https://openalex.org/W3175724413","https://openalex.org/W3196457178","https://openalex.org/W4285719527","https://openalex.org/W4302289650","https://openalex.org/W6634248046","https://openalex.org/W6762582777","https://openalex.org/W6797562096"],"related_works":["https://openalex.org/W2059045613","https://openalex.org/W4250215096","https://openalex.org/W2119209917","https://openalex.org/W4250958385","https://openalex.org/W2159179523","https://openalex.org/W2010804147","https://openalex.org/W2145047504","https://openalex.org/W2165992111","https://openalex.org/W2111349105","https://openalex.org/W2949201263"],"abstract_inverted_index":{"In":[0,34],"this":[1,65,120,168,180],"paper,":[2],"the":[3,11,29,35,69,73,76,86,96,103,112,115,154,162,194,201,204,207,216],"sum":[4,165],"secure":[5,148],"degrees":[6],"of":[7,10,75,90,102,114,137,142,164,203,206],"freedom":[8],"(SDoF)":[9],"K-user":[12],"Multiple":[13],"Input/Single":[14],"Output":[15],"(MISO)":[16],"Broadcast":[17],"Channel":[18,25],"with":[19,60,107],"Confidential":[20],"Messages":[21],"(BCCM)":[22],"and":[23,105,139],"alternating":[24,124],"State":[26],"Information":[27],"at":[28,85,95,210],"Transmitter":[30],"(CSIT)":[31],"is":[32,54,82,93,140,161,185,221],"investigated.":[33],"MISO":[36],"BCCM,":[37],"a":[38,108,143,188],"K-antenna":[39],"transmitter":[40,87,97],"(TX)":[41],"communicates":[42],"toward":[43],"K":[44,81,218],"single-antenna":[45],"receivers":[46,209],"(RXs),":[47],"so":[48],"that":[49],"message":[50,205],"for":[51,100,111,167,215],"RX":[52,58,91,211],"k":[53],"kept":[55],"secret":[56],"from":[57,78],"j":[59,61],"<":[62],"k.":[63],"For":[64],"model,":[66],"we":[67],"consider":[68],"scenario":[70],"in":[71,135,192,223],"which":[72,193],"CSI":[74,89,155],"RXs":[77],"2":[79],"to":[80,119,131,146,199],"instantaneously":[83,99],"known":[84,94],"while":[88],"1":[92],"(i)":[98],"half":[101],"time":[104],"(ii)":[106],"unit":[109],"delay":[110],"remainder":[113],"time.":[116],"We":[117],"refer":[118],"CSIT":[121,127],"availability":[122],"as":[123,170],"CSIT.":[125],"Alternating":[126],"has":[128],"been":[129],"shown":[130],"provide":[132],"synergistic":[133],"gains":[134],"terms":[136],"SDoF":[138,166,171,181],"thus":[141],"viable":[144],"strategy":[145],"ensure":[147],"communication":[149],"by":[150,187],"simply":[151],"relying":[152],"on":[153],"feedback":[156],"strategy.":[157],"Our":[158],"main":[159],"contribution":[160],"characterization":[163],"model":[169],"<inf":[172,182],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[173,183],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">sum</inf>":[174,184],"=":[175,219],"(2K":[176],"\u2212":[177],"1)/2.":[178],"Interestingly,":[179],"attained":[186],"rather":[189],"simple":[190],"achievability":[191],"TX":[195],"uses":[196],"artificial":[197],"noise":[198],"prevent":[200],"decoding":[202],"unintended":[208],"1.":[212],"The":[213],"proof":[214],"case":[217],"3":[220],"discussed":[222],"detail.":[224]},"counts_by_year":[{"year":2021,"cited_by_count":1}],"updated_date":"2026-05-05T08:41:31.759640","created_date":"2025-10-10T00:00:00"}