{"id":"https://openalex.org/W4417003548","doi":"https://doi.org/10.1109/lcomm.2025.3640293","title":"Covert Communication Assisted by Movable Time-Modulated Arrays","display_name":"Covert Communication Assisted by Movable Time-Modulated Arrays","publication_year":2025,"publication_date":"2025-12-04","ids":{"openalex":"https://openalex.org/W4417003548","doi":"https://doi.org/10.1109/lcomm.2025.3640293"},"language":null,"primary_location":{"id":"doi:10.1109/lcomm.2025.3640293","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2025.3640293","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 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/A5026108623","display_name":"Ruiqian Ma","orcid":"https://orcid.org/0000-0003-1879-6695"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Ruiqian Ma","raw_affiliation_strings":["College of Electronic Engineering, National University of Defense Technology, Hefei, China","College of Electronic Engineering, National University of Defense Technology, Hefei, China)"],"affiliations":[{"raw_affiliation_string":"College of Electronic Engineering, National University of Defense Technology, Hefei, China","institution_ids":["https://openalex.org/I170215575"]},{"raw_affiliation_string":"College of Electronic Engineering, National University of Defense Technology, Hefei, China)","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001675970","display_name":"Yue Ma","orcid":"https://orcid.org/0000-0002-7857-3269"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]},{"id":"https://openalex.org/I36399199","display_name":"Nanjing University of Science and Technology","ror":"https://ror.org/00xp9wg62","country_code":"CN","type":"education","lineage":["https://openalex.org/I36399199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yue Ma","raw_affiliation_strings":["College of Electronic Engineering, National University of Defense Technology, Hefei, China","Key Laboratory of Near-Range RF Sensing ICs &#x0026; Microsystems, Ministry of Education, Nanjing University of Science and Technology, Nanjing, China","Ministry of Education, Key Laboratory of Near-Range RF Sensing ICs &#x0026; Microsystems, Nanjing University of Science and Technology, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"College of Electronic Engineering, National University of Defense Technology, Hefei, China","institution_ids":["https://openalex.org/I170215575"]},{"raw_affiliation_string":"Key Laboratory of Near-Range RF Sensing ICs &#x0026; Microsystems, Ministry of Education, Nanjing University of Science and Technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]},{"raw_affiliation_string":"Ministry of Education, Key Laboratory of Near-Range RF Sensing ICs &#x0026; Microsystems, Nanjing University of Science and Technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090744597","display_name":"Zhi Lin","orcid":"https://orcid.org/0000-0003-0011-7383"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhi Lin","raw_affiliation_strings":["College of Electronic Engineering, National University of Defense Technology, Hefei, China","College of Electronic Engineering, National University of Defense Technology, Hefei, China)"],"affiliations":[{"raw_affiliation_string":"College of Electronic Engineering, National University of Defense Technology, Hefei, China","institution_ids":["https://openalex.org/I170215575"]},{"raw_affiliation_string":"College of Electronic Engineering, National University of Defense Technology, Hefei, China)","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067445066","display_name":"Yuhong Ma","orcid":null},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]},{"id":"https://openalex.org/I36399199","display_name":"Nanjing University of Science and Technology","ror":"https://ror.org/00xp9wg62","country_code":"CN","type":"education","lineage":["https://openalex.org/I36399199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuhong Ma","raw_affiliation_strings":["College of Electronic Engineering, National University of Defense Technology, Hefei, China","Key Laboratory of Near-Range RF Sensing ICs &#x0026; Microsystems, Ministry of Education, Nanjing University of Science and Technology, Nanjing, China","College of Electronic Engineering, National University of Defense Technology, Hefei, China)"],"affiliations":[{"raw_affiliation_string":"College of Electronic Engineering, National University of Defense Technology, Hefei, China","institution_ids":["https://openalex.org/I170215575"]},{"raw_affiliation_string":"Key Laboratory of Near-Range RF Sensing ICs &#x0026; Microsystems, Ministry of Education, Nanjing University of Science and Technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]},{"raw_affiliation_string":"College of Electronic Engineering, National University of Defense Technology, Hefei, China)","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034493481","display_name":"Weiwei Yang","orcid":"https://orcid.org/0000-0002-0220-4088"},"institutions":[{"id":"https://openalex.org/I4210163363","display_name":"PLA Army Engineering University","ror":"https://ror.org/05mgp8x93","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210163363"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weiwei Yang","raw_affiliation_strings":["College of Communications Engineering, Army Engineering University of PLA, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"College of Communications Engineering, Army Engineering University of PLA, Nanjing, China","institution_ids":["https://openalex.org/I4210163363"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5091266202","display_name":"Dusit Niyato","orcid":"https://orcid.org/0000-0002-7442-7416"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Dusit Niyato","raw_affiliation_strings":["College of Computing and Data Science, Nanyang Technological University, Nanyang Ave, Singapore","College of Computing and Data Science, Nanyang Technological University, Singapore"],"affiliations":[{"raw_affiliation_string":"College of Computing and Data Science, Nanyang Technological University, Nanyang Ave, Singapore","institution_ids":["https://openalex.org/I172675005"]},{"raw_affiliation_string":"College of Computing and Data Science, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5026108623"],"corresponding_institution_ids":["https://openalex.org/I170215575"],"apc_list":null,"apc_paid":null,"fwci":4.184,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.9448247,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":99,"max":100},"biblio":{"volume":"30","issue":null,"first_page":"382","last_page":"386"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10964","display_name":"Wireless Communication Security Techniques","score":0.8827000260353088,"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":0.8827000260353088,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.03629999980330467,"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/T12131","display_name":"Wireless Signal Modulation Classification","score":0.02979999966919422,"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/covert","display_name":"Covert","score":0.795199990272522},{"id":"https://openalex.org/keywords/leverage","display_name":"Leverage (statistics)","score":0.6965000033378601},{"id":"https://openalex.org/keywords/benchmark","display_name":"Benchmark (surveying)","score":0.5983999967575073},{"id":"https://openalex.org/keywords/constraint","display_name":"Constraint (computer-aided design)","score":0.4959000051021576},{"id":"https://openalex.org/keywords/dimension","display_name":"Dimension (graph theory)","score":0.4503999948501587},{"id":"https://openalex.org/keywords/antenna-array","display_name":"Antenna array","score":0.42809998989105225},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.3935999870300293},{"id":"https://openalex.org/keywords/artificial-neural-network","display_name":"Artificial neural network","score":0.3806999921798706}],"concepts":[{"id":"https://openalex.org/C2779338814","wikidata":"https://www.wikidata.org/wiki/Q5179285","display_name":"Covert","level":2,"score":0.795199990272522},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7828999757766724},{"id":"https://openalex.org/C153083717","wikidata":"https://www.wikidata.org/wiki/Q6535263","display_name":"Leverage (statistics)","level":2,"score":0.6965000033378601},{"id":"https://openalex.org/C185798385","wikidata":"https://www.wikidata.org/wiki/Q1161707","display_name":"Benchmark (surveying)","level":2,"score":0.5983999967575073},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.4959000051021576},{"id":"https://openalex.org/C33676613","wikidata":"https://www.wikidata.org/wiki/Q13415176","display_name":"Dimension (graph theory)","level":2,"score":0.4503999948501587},{"id":"https://openalex.org/C62191587","wikidata":"https://www.wikidata.org/wiki/Q4771249","display_name":"Antenna array","level":3,"score":0.42809998989105225},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4081000089645386},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.3935999870300293},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.3806999921798706},{"id":"https://openalex.org/C198082294","wikidata":"https://www.wikidata.org/wiki/Q3399648","display_name":"Position (finance)","level":2,"score":0.36559998989105225},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.31839999556541443},{"id":"https://openalex.org/C90559484","wikidata":"https://www.wikidata.org/wiki/Q778379","display_name":"Expression (computer science)","level":2,"score":0.31470000743865967},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.305400013923645},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.3019999861717224},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.28999999165534973},{"id":"https://openalex.org/C106516650","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm design","level":2,"score":0.27959999442100525},{"id":"https://openalex.org/C192126672","wikidata":"https://www.wikidata.org/wiki/Q1068715","display_name":"Telecommunications network","level":2,"score":0.27570000290870667},{"id":"https://openalex.org/C113775141","wikidata":"https://www.wikidata.org/wiki/Q428691","display_name":"Computer engineering","level":1,"score":0.2720000147819519},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.27160000801086426},{"id":"https://openalex.org/C96608239","wikidata":"https://www.wikidata.org/wiki/Q1199823","display_name":"Statistical power","level":2,"score":0.26510000228881836},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.26109999418258667}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lcomm.2025.3640293","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2025.3640293","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G4081979735","display_name":null,"funder_award_id":"62471477","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G442396209","display_name":null,"funder_award_id":"62171464","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4738381337","display_name":null,"funder_award_id":"62301254","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6105015241","display_name":null,"funder_award_id":"62201592","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6644632045","display_name":null,"funder_award_id":"30925010602","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G7020166309","display_name":null,"funder_award_id":"62201266","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7531170857","display_name":null,"funder_award_id":"BK20230916","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320322769","display_name":"Natural Science Foundation of Jiangsu Province","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W2098346479","https://openalex.org/W2962960827","https://openalex.org/W3151186292","https://openalex.org/W4213191624","https://openalex.org/W4362500847","https://openalex.org/W4380906157","https://openalex.org/W4385627328","https://openalex.org/W4387682359","https://openalex.org/W4388837994","https://openalex.org/W4393372076","https://openalex.org/W4403182200","https://openalex.org/W4404238591","https://openalex.org/W4405599274"],"related_works":[],"abstract_inverted_index":{"In":[0],"this":[1],"letter,":[2],"we":[3,30,51,69,91],"propose":[4,92],"a":[5,39],"novel":[6],"method":[7],"to":[8,42,84,100],"improve":[9],"the":[10,24,32,36,44,53,57,62,67,72,82,86,102,110,113],"performance":[11],"of":[12,35,46,64,81,112,121],"covert":[13,87,122],"communication":[14],"via":[15],"using":[16],"movable":[17],"time":[18,26],"modulated":[19,27],"array":[20,28],"(MTMA).":[21],"Compared":[22],"with":[23],"conventional":[25],"(TMA),":[29],"leverage":[31],"spatial":[33],"position":[34],"antenna":[37,76],"as":[38],"new":[40],"dimension":[41],"enhance":[43],"degree":[45],"freedom":[47],"in":[48,89,119],"MTMA.":[49,65],"First,":[50],"derive":[52],"closed-form":[54],"expression":[55],"for":[56],"covertness":[58],"constraint":[59],"by":[60],"considering":[61],"characteristics":[63],"On":[66],"basis,":[68],"jointly":[70],"optimize":[71],"transmit":[73],"power,":[74],"blocklength,":[75],"position,":[77],"and":[78],"switch":[79],"states":[80],"MTMA":[83],"maximize":[85],"throughput,":[88],"which":[90],"an":[93],"attention-enhanced":[94],"swish":[95],"deep":[96],"neural":[97],"network":[98],"(ASDNN)":[99],"address":[101],"intractable":[103],"optimization":[104],"problem.":[105],"Finally,":[106],"numerical":[107],"results":[108],"demonstrate":[109],"superiority":[111],"proposed":[114],"scheme":[115],"over":[116],"benchmark":[117],"schemes":[118],"terms":[120],"throughput.":[123]},"counts_by_year":[{"year":2026,"cited_by_count":6}],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-12-04T00:00:00"}
