{"id":"https://openalex.org/W7161715861","doi":"https://doi.org/10.48550/arxiv.2605.18099","title":"Movable Antenna-Aided Secure LEO Satellite Networks: Joint Antenna Position and Beamforming Optimization","display_name":"Movable Antenna-Aided Secure LEO Satellite Networks: Joint Antenna Position and Beamforming Optimization","publication_year":2026,"publication_date":"2026-05-18","ids":{"openalex":"https://openalex.org/W7161715861","doi":"https://doi.org/10.48550/arxiv.2605.18099"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2605.18099","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2605.18099","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2605.18099","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5114192017","display_name":"Suhong Luo","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Luo, Suhong","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5136455793","display_name":"Pan Tang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Tang, Pan","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5136459273","display_name":"Jianhua Zhang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zhang, Jianhua","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5136484537","display_name":"Ji Wang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wang, Ji","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5136454396","display_name":"Yixuan Li","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Li, Yixuan","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5136454759","display_name":"Zihang Ding","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ding, Zihang","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5136466827","display_name":"Xingwang Li","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Li, Xingwang","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"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/T12042","display_name":"Satellite Communication Systems","score":0.9312000274658203,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T12042","display_name":"Satellite Communication Systems","score":0.9312000274658203,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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":0.022199999541044235,"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/T11133","display_name":"UAV Applications and Optimization","score":0.008999999612569809,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/beamforming","display_name":"Beamforming","score":0.7703999876976013},{"id":"https://openalex.org/keywords/eavesdropping","display_name":"Eavesdropping","score":0.6582000255584717},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.5866000056266785},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.5701000094413757},{"id":"https://openalex.org/keywords/physical-layer","display_name":"Physical layer","score":0.5601999759674072},{"id":"https://openalex.org/keywords/artificial-noise","display_name":"Artificial noise","score":0.552299976348877},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.525600016117096},{"id":"https://openalex.org/keywords/secure-transmission","display_name":"Secure transmission","score":0.49869999289512634}],"concepts":[{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.7703999876976013},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6866000294685364},{"id":"https://openalex.org/C2776788033","wikidata":"https://www.wikidata.org/wiki/Q320769","display_name":"Eavesdropping","level":2,"score":0.6582000255584717},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.5866000056266785},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.5701000094413757},{"id":"https://openalex.org/C19247436","wikidata":"https://www.wikidata.org/wiki/Q192727","display_name":"Physical layer","level":3,"score":0.5601999759674072},{"id":"https://openalex.org/C2780909371","wikidata":"https://www.wikidata.org/wiki/Q4801092","display_name":"Artificial noise","level":4,"score":0.552299976348877},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.525600016117096},{"id":"https://openalex.org/C2779814227","wikidata":"https://www.wikidata.org/wiki/Q7444882","display_name":"Secure transmission","level":3,"score":0.49869999289512634},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.4602000117301941},{"id":"https://openalex.org/C198082294","wikidata":"https://www.wikidata.org/wiki/Q3399648","display_name":"Position (finance)","level":2,"score":0.4309999942779541},{"id":"https://openalex.org/C121308736","wikidata":"https://www.wikidata.org/wiki/Q149918","display_name":"Communications satellite","level":3,"score":0.3984000086784363},{"id":"https://openalex.org/C157972887","wikidata":"https://www.wikidata.org/wiki/Q463359","display_name":"Convex optimization","level":3,"score":0.3926999866962433},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.38029998540878296},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.350600004196167},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.34689998626708984},{"id":"https://openalex.org/C2778027091","wikidata":"https://www.wikidata.org/wiki/Q25346003","display_name":"Satellite system","level":4,"score":0.34389999508857727},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.30140000581741333},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.28839999437332153},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.28529998660087585},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.27379998564720154},{"id":"https://openalex.org/C62191587","wikidata":"https://www.wikidata.org/wiki/Q4771249","display_name":"Antenna array","level":3,"score":0.25999999046325684},{"id":"https://openalex.org/C110157686","wikidata":"https://www.wikidata.org/wiki/Q922122","display_name":"Broadcasting (networking)","level":2,"score":0.2599000036716461},{"id":"https://openalex.org/C196644772","wikidata":"https://www.wikidata.org/wiki/Q3884964","display_name":"Orbit (dynamics)","level":2,"score":0.25540000200271606},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.2549000084400177}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2605.18099","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2605.18099","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2605.18099","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2605.18099","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions","score":0.5867975354194641}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"The":[0],"broadcast":[1],"characteristics":[2],"of":[3,37,65],"sixth-generation":[4],"(6G)":[5],"low-earth":[6],"orbit":[7],"(LEO)":[8],"satellite":[9,44,48,84],"communications":[10],"raise":[11],"serious":[12],"security":[13,24],"issues.":[14],"Movable":[15],"antenna":[16,30,182],"(MA)":[17],"technology":[18],"offers":[19],"a":[20,87,97],"promising":[21],"physical":[22],"layer":[23],"(PLS)":[25],"solution":[26],"by":[27,116],"flexibly":[28],"reconfiguring":[29],"positions":[31],"to":[32,178],"exploit":[33],"additional":[34],"spatial":[35],"degrees":[36],"freedom.":[38],"However,":[39],"in":[40],"highly":[41],"dense":[42],"LEO":[43,83,169],"constellations,":[45],"the":[46,63,101,112,119,138,157,166,179],"legitimate":[47],"and":[49,122,148],"potential":[50,108],"eavesdropping":[51],"satellites":[52,104],"may":[53],"exhibit":[54],"small":[55],"angular":[56],"separations,":[57],"which":[58],"poses":[59],"significant":[60],"challenges":[61],"for":[62,81,137,156],"design":[64],"secure":[66,78,170],"transmission":[67,79,171],"schemes.":[68],"To":[69],"address":[70],"this":[71,73],"challenge,":[72],"paper":[74],"proposes":[75],"an":[76,92],"MA-assisted":[77,168],"scheme":[80,172],"time-varying":[82],"communications,":[85],"where":[86,132],"ground":[88],"station":[89],"equipped":[90],"with":[91,96],"MA":[93,123,158],"array":[94],"communicates":[95],"serving":[98],"satellite,":[99],"while":[100,142],"other":[102],"visible":[103],"are":[105,154],"regarded":[106],"as":[107],"eavesdroppers.":[109],"We":[110],"maximize":[111],"average":[113],"secrecy":[114],"rate":[115],"jointly":[117],"optimizing":[118],"transmit":[120],"beamforming":[121,139],"positions.":[124],"An":[125],"alternating":[126],"optimization":[127,140,160],"(AO)":[128],"framework":[129],"is":[130,135],"developed,":[131],"semidefinite":[133],"relaxation":[134],"adopted":[136],"subproblem,":[141],"high-accuracy":[143],"successive":[144],"convex":[145],"approximation":[146],"(SCA)":[147],"low-complexity":[149],"differential":[150],"evolution":[151],"(DE)":[152],"algorithms":[153],"proposed":[155,167],"position":[159],"subproblem.":[161],"Numerical":[162],"results":[163],"demonstrate":[164],"that":[165],"consistently":[173],"achieves":[174],"superior":[175],"performance":[176],"compared":[177],"conventional":[180],"fixed-position":[181],"scheme.":[183]},"counts_by_year":[],"updated_date":"2026-07-01T06:00:48.157686","created_date":"2026-05-20T00:00:00"}