{"id":"https://openalex.org/W4410536620","doi":"https://doi.org/10.1109/jiot.2025.3571736","title":"STEALTH: Space-Time Encryption via Constellation Hiding for MIMO Two-Way Untrusted Relay Systems","display_name":"STEALTH: Space-Time Encryption via Constellation Hiding for MIMO Two-Way Untrusted Relay Systems","publication_year":2025,"publication_date":"2025-05-20","ids":{"openalex":"https://openalex.org/W4410536620","doi":"https://doi.org/10.1109/jiot.2025.3571736"},"language":"en","primary_location":{"id":"doi:10.1109/jiot.2025.3571736","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2025.3571736","pdf_url":null,"source":{"id":"https://openalex.org/S2480266640","display_name":"IEEE Internet of Things Journal","issn_l":"2327-4662","issn":["2327-4662","2372-2541"],"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 Internet of Things Journal","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/A5045799828","display_name":"Ki\u2010Hun Lee","orcid":"https://orcid.org/0000-0002-0415-5603"},"institutions":[{"id":"https://openalex.org/I120158604","display_name":"Kunsan National University","ror":"https://ror.org/02yj55q56","country_code":"KR","type":"education","lineage":["https://openalex.org/I120158604"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Ki-Hun Lee","raw_affiliation_strings":["Department of AI Convergence, Kunsan National University, Gunsan, South Korea"],"affiliations":[{"raw_affiliation_string":"Department of AI Convergence, Kunsan National University, Gunsan, South Korea","institution_ids":["https://openalex.org/I120158604"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054498904","display_name":"Kiho Lim","orcid":"https://orcid.org/0000-0002-4443-5589"},"institutions":[{"id":"https://openalex.org/I127328727","display_name":"William Paterson University","ror":"https://ror.org/00k3ayt93","country_code":"US","type":"education","lineage":["https://openalex.org/I127328727"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Kiho Lim","raw_affiliation_strings":["Department of Computer Science, William Paterson University of New Jersey, Wayne, NJ, USA"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, William Paterson University of New Jersey, Wayne, NJ, USA","institution_ids":["https://openalex.org/I127328727"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5039254133","display_name":"Bang Chul Jung","orcid":"https://orcid.org/0000-0002-4485-9592"},"institutions":[{"id":"https://openalex.org/I57664883","display_name":"Ajou University","ror":"https://ror.org/03tzb2h73","country_code":"KR","type":"education","lineage":["https://openalex.org/I57664883"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Bang Chul Jung","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Ajou University, Suwon, South Korea"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Ajou University, Suwon, South Korea","institution_ids":["https://openalex.org/I57664883"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5045799828"],"corresponding_institution_ids":["https://openalex.org/I120158604"],"apc_list":null,"apc_paid":null,"fwci":1.3947,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.8188164,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":98},"biblio":{"volume":"12","issue":"15","first_page":"30319","last_page":"30334"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10964","display_name":"Wireless Communication Security Techniques","score":0.9980999827384949,"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":0.9980999827384949,"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/T10237","display_name":"Cryptography and Data Security","score":0.9765999913215637,"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"}},{"id":"https://openalex.org/T11017","display_name":"Chaos-based Image/Signal Encryption","score":0.9574000239372253,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7865341305732727},{"id":"https://openalex.org/keywords/constellation","display_name":"Constellation","score":0.7119379043579102},{"id":"https://openalex.org/keywords/relay","display_name":"Relay","score":0.7041370868682861},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.6358329653739929},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.5701925158500671},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.48388609290122986},{"id":"https://openalex.org/keywords/3g-mimo","display_name":"3G MIMO","score":0.4206570088863373},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.1152302622795105},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07884901762008667}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7865341305732727},{"id":"https://openalex.org/C70352696","wikidata":"https://www.wikidata.org/wiki/Q8928","display_name":"Constellation","level":2,"score":0.7119379043579102},{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.7041370868682861},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.6358329653739929},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.5701925158500671},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.48388609290122986},{"id":"https://openalex.org/C165650700","wikidata":"https://www.wikidata.org/wiki/Q4636347","display_name":"3G MIMO","level":4,"score":0.4206570088863373},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.1152302622795105},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07884901762008667},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","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/jiot.2025.3571736","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2025.3571736","pdf_url":null,"source":{"id":"https://openalex.org/S2480266640","display_name":"IEEE Internet of Things Journal","issn_l":"2327-4662","issn":["2327-4662","2372-2541"],"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 Internet of Things Journal","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G5512598051","display_name":null,"funder_award_id":"2021-0-00486","funder_id":"https://openalex.org/F4320335489","funder_display_name":"Institute for Information and Communications Technology Promotion"}],"funders":[{"id":"https://openalex.org/F4320335489","display_name":"Institute for Information and Communications Technology Promotion","ror":"https://ror.org/01g0hqq23"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":40,"referenced_works":["https://openalex.org/W1540714528","https://openalex.org/W1621647796","https://openalex.org/W1975233118","https://openalex.org/W2083058703","https://openalex.org/W2107080958","https://openalex.org/W2130900420","https://openalex.org/W2156408736","https://openalex.org/W2193335062","https://openalex.org/W2481778652","https://openalex.org/W2509004749","https://openalex.org/W2606537796","https://openalex.org/W2769016969","https://openalex.org/W2770806237","https://openalex.org/W2793117498","https://openalex.org/W2793673064","https://openalex.org/W2806393332","https://openalex.org/W2896813713","https://openalex.org/W2898104747","https://openalex.org/W2957915633","https://openalex.org/W2962835128","https://openalex.org/W2963009702","https://openalex.org/W2963791781","https://openalex.org/W2964113506","https://openalex.org/W2986786791","https://openalex.org/W3010475607","https://openalex.org/W3018707485","https://openalex.org/W3035029427","https://openalex.org/W3085113176","https://openalex.org/W3134818674","https://openalex.org/W3161594686","https://openalex.org/W3162603204","https://openalex.org/W3195333310","https://openalex.org/W4225578207","https://openalex.org/W4288391351","https://openalex.org/W4300989817","https://openalex.org/W4307185627","https://openalex.org/W4381712849","https://openalex.org/W4385062305","https://openalex.org/W4389076530","https://openalex.org/W4390872912"],"related_works":["https://openalex.org/W2038397443","https://openalex.org/W4200145345","https://openalex.org/W2112785353","https://openalex.org/W2941374357","https://openalex.org/W1561113522","https://openalex.org/W1495906304","https://openalex.org/W2935871810","https://openalex.org/W1993205288","https://openalex.org/W1520753245","https://openalex.org/W2529849760"],"abstract_inverted_index":{"We":[0],"propose":[1],"a":[2],"novel":[3],"physical-layer":[4],"security":[5,140],"(PLS)":[6],"technique":[7,136,169,220,251],"for":[8,81,238],"multiple-input":[9],"multiple-output":[10],"(MIMO)":[11],"two-way":[12,31],"untrusted":[13,75,161,178],"relay-assisted":[14],"(TWUR)":[15],"internet-of-things":[16],"(IoT)":[17],"networks":[18],"by":[19,124,153,183],"combining":[20],"constellation-overlapping-based":[21,145],"over-the-air":[22],"encryption":[23],"(OTAE)":[24],"and":[25,43,103,163,233,258],"space-time":[26,55,110],"codes.":[27],"Like":[28],"the":[29,34,46,53,74,82,86,90,97,100,105,109,115,125,134,138,143,160,167,177,191,198,218,245,249,253,261,267],"conventional":[30,144,192],"relay":[32,83,101,162],"system,":[33],"proposed":[35,135,168,219,250],"system":[36],"operates":[37,221],"in":[38],"two":[39,49],"phases:":[40],"multiple":[41,156],"access":[42],"broadcast.":[44],"In":[45,96,211],"first":[47],"phase,":[48,99],"IoT":[50,91,119,164,204,239],"devices":[51,205],"exploit":[52],"power-controlled":[54],"line":[56],"code":[57,112],"(STLC)":[58],"with":[59],"truncated":[60],"channel":[61,225],"inversion":[62],"to":[63,84,190,213],"transmit":[64],"data":[65,122],"frames":[66],"such":[67],"that":[68,133,260],"their":[69],"constellations":[70],"completely":[71],"overlap":[72],"at":[73,158,176,203],"relay.":[76],"This":[77],"makes":[78],"it":[79,195,235],"impossible":[80],"distinguish":[85],"exact":[87],"signals":[88],"of":[89,248],"devices,":[92],"thereby":[93,229],"enhancing":[94],"security.":[95],"second":[98],"amplifies":[102],"forwards":[104],"superimposed":[106],"signal":[107,186],"using":[108,127,252],"block":[111],"(STBC).":[113],"From":[114],"superposed":[116],"signal,":[117],"each":[118],"node":[120],"decodes":[121],"transmitted":[123],"other":[126],"self-interference":[128],"cancellation.":[129],"Simulation":[130],"results":[131,264],"demonstrate":[132],"achieves":[137],"same":[139],"performance":[141,152],"as":[142],"OTAE":[146,193],"scheme":[147],"while":[148,206],"significantly":[149,196],"improving":[150],"communication":[151,182],"effectively":[154],"leveraging":[155],"antennas":[157],"both":[159],"devices.":[165],"Specifically,":[166],"maintains":[170],"an":[171],"error":[172,200,246],"floor":[173],"above":[174],"0.1":[175],"relay,":[179],"ensuring":[180],"secure":[181],"preventing":[184],"unauthorized":[185],"decoding.":[187],"Furthermore,":[188],"compared":[189],"scheme,":[194],"improves":[197],"bit":[199],"rate":[201,247],"(BER)":[202],"maintaining":[207],"low":[208],"computational":[209],"complexity.":[210],"contrast":[212],"existing":[214],"MIMO-based":[215],"PLS":[216],"schemes,":[217],"without":[222],"requiring":[223],"global":[224],"state":[226],"information":[227],"(CSI),":[228],"reducing":[230],"signaling":[231],"overhead":[232],"making":[234],"more":[236],"practical":[237],"networks.":[240],"Finally,":[241],"we":[242],"mathematically":[243],"analyze":[244],"piecewise":[254],"linear":[255],"approximation":[256],"(PLA)":[257],"confirm":[259],"derived":[262],"analytical":[263],"closely":[265],"match":[266],"simulation":[268],"outcomes.":[269]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1}],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-10-10T00:00:00"}
