{"id":"https://openalex.org/W4417438607","doi":"https://doi.org/10.1109/twc.2025.3642430","title":"Joint Antenna Positioning and Beamforming for Movable Antenna Array Aided Ground Station in Low-Earth Orbit Satellite Communication","display_name":"Joint Antenna Positioning and Beamforming for Movable Antenna Array Aided Ground Station in Low-Earth Orbit Satellite Communication","publication_year":2025,"publication_date":"2025-12-17","ids":{"openalex":"https://openalex.org/W4417438607","doi":"https://doi.org/10.1109/twc.2025.3642430"},"language":null,"primary_location":{"id":"doi:10.1109/twc.2025.3642430","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2025.3642430","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"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 Transactions on Wireless Communications","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/A5100681070","display_name":"Jinming Wang","orcid":"https://orcid.org/0000-0001-7628-2022"},"institutions":[{"id":"https://openalex.org/I204983213","display_name":"Harbin Institute of Technology","ror":"https://ror.org/01yqg2h08","country_code":"CN","type":"education","lineage":["https://openalex.org/I204983213"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jinming Wang","raw_affiliation_strings":["School of Electronics and Information Engineering, Harbin Institute of Technology, Harbin, China","School of Electronics and Information Engineering, Harbin Institute of Technology, China"],"raw_orcid":"https://orcid.org/0000-0001-7628-2022","affiliations":[{"raw_affiliation_string":"School of Electronics and Information Engineering, Harbin Institute of Technology, Harbin, China","institution_ids":["https://openalex.org/I204983213"]},{"raw_affiliation_string":"School of Electronics and Information Engineering, Harbin Institute of Technology, China","institution_ids":["https://openalex.org/I204983213"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016962592","display_name":"Lipeng Zhu","orcid":"https://orcid.org/0000-0002-7587-8876"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Lipeng Zhu","raw_affiliation_strings":["Department of Electrical and Computer Engineering, National University of Singapore, Queenstown, Singapore","Department of Electrical and Computer Engineering, National University of Singapore, Singapore"],"raw_orcid":"https://orcid.org/0000-0002-7587-8876","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, National University of Singapore, Queenstown, Singapore","institution_ids":["https://openalex.org/I165932596"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, National University of Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026973164","display_name":"Shuai Han","orcid":"https://orcid.org/0000-0001-9606-3476"},"institutions":[{"id":"https://openalex.org/I204983213","display_name":"Harbin Institute of Technology","ror":"https://ror.org/01yqg2h08","country_code":"CN","type":"education","lineage":["https://openalex.org/I204983213"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shuai Han","raw_affiliation_strings":["School of Electronics and Information Engineering, Harbin Institute of Technology, Harbin, China","School of Electronics and Information Engineering, Harbin Institute of Technology, China"],"raw_orcid":"https://orcid.org/0000-0001-9606-3476","affiliations":[{"raw_affiliation_string":"School of Electronics and Information Engineering, Harbin Institute of Technology, Harbin, China","institution_ids":["https://openalex.org/I204983213"]},{"raw_affiliation_string":"School of Electronics and Information Engineering, Harbin Institute of Technology, China","institution_ids":["https://openalex.org/I204983213"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032569059","display_name":"He Sun","orcid":"https://orcid.org/0000-0002-2886-0438"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"He Sun","raw_affiliation_strings":["Department of Electrical and Computer Engineering, National University of Singapore, Queenstown, Singapore","Department of Electrical and Computer Engineering, National University of Singapore, Singapore"],"raw_orcid":"https://orcid.org/0000-0002-2886-0438","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, National University of Singapore, Queenstown, Singapore","institution_ids":["https://openalex.org/I165932596"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, National University of Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100422102","display_name":"Rui Zhang","orcid":"https://orcid.org/0000-0002-8729-8393"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Rui Zhang","raw_affiliation_strings":["Department of Electrical and Computer Engineering, National University of Singapore, Queenstown, Singapore","Department of Electrical and Computer Engineering, National University of Singapore, Singapore"],"raw_orcid":"https://orcid.org/0000-0002-8729-8393","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, National University of Singapore, Queenstown, Singapore","institution_ids":["https://openalex.org/I165932596"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, National University of Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":6.7251,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.96696104,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":98},"biblio":{"volume":"25","issue":null,"first_page":"9437","last_page":"9451"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":0.9595999717712402,"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":0.9595999717712402,"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/T11946","display_name":"Antenna Design and Optimization","score":0.010099999606609344,"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/T12450","display_name":"Radio Astronomy Observations and Technology","score":0.005900000222027302,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.6578999757766724},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.6259999871253967},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.44839999079704285},{"id":"https://openalex.org/keywords/initialization","display_name":"Initialization","score":0.42730000615119934},{"id":"https://openalex.org/keywords/antenna-array","display_name":"Antenna array","score":0.41659998893737793},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.40880000591278076},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.40849998593330383},{"id":"https://openalex.org/keywords/communications-satellite","display_name":"Communications satellite","score":0.39980000257492065},{"id":"https://openalex.org/keywords/transformation","display_name":"Transformation (genetics)","score":0.3662000000476837}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7386999726295471},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.6578999757766724},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.6259999871253967},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.44839999079704285},{"id":"https://openalex.org/C114466953","wikidata":"https://www.wikidata.org/wiki/Q6034165","display_name":"Initialization","level":2,"score":0.42730000615119934},{"id":"https://openalex.org/C62191587","wikidata":"https://www.wikidata.org/wiki/Q4771249","display_name":"Antenna array","level":3,"score":0.41659998893737793},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.40880000591278076},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.40849998593330383},{"id":"https://openalex.org/C121308736","wikidata":"https://www.wikidata.org/wiki/Q149918","display_name":"Communications satellite","level":3,"score":0.39980000257492065},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3792000114917755},{"id":"https://openalex.org/C204241405","wikidata":"https://www.wikidata.org/wiki/Q461499","display_name":"Transformation (genetics)","level":3,"score":0.3662000000476837},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.36160001158714294},{"id":"https://openalex.org/C198082294","wikidata":"https://www.wikidata.org/wiki/Q3399648","display_name":"Position (finance)","level":2,"score":0.3569999933242798},{"id":"https://openalex.org/C81845259","wikidata":"https://www.wikidata.org/wiki/Q290117","display_name":"Quadratic programming","level":2,"score":0.3093999922275543},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.30889999866485596},{"id":"https://openalex.org/C155050386","wikidata":"https://www.wikidata.org/wiki/Q1068623","display_name":"Antenna height considerations","level":3,"score":0.304500013589859},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.30090001225471497},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.2989000082015991},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.295199990272522},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.2944999933242798},{"id":"https://openalex.org/C2989135121","wikidata":"https://www.wikidata.org/wiki/Q1349167","display_name":"Ground station","level":3,"score":0.29319998621940613},{"id":"https://openalex.org/C196644772","wikidata":"https://www.wikidata.org/wiki/Q3884964","display_name":"Orbit (dynamics)","level":2,"score":0.2896000146865845},{"id":"https://openalex.org/C66251956","wikidata":"https://www.wikidata.org/wiki/Q7451086","display_name":"Sensor array","level":2,"score":0.2854999899864197},{"id":"https://openalex.org/C57869625","wikidata":"https://www.wikidata.org/wiki/Q1783502","display_name":"Rate of convergence","level":3,"score":0.2678000032901764},{"id":"https://openalex.org/C2777303404","wikidata":"https://www.wikidata.org/wiki/Q759757","display_name":"Convergence (economics)","level":2,"score":0.2662000060081482},{"id":"https://openalex.org/C24027999","wikidata":"https://www.wikidata.org/wiki/Q2176348","display_name":"Omnidirectional antenna","level":3,"score":0.25060001015663147}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/twc.2025.3642430","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2025.3642430","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"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 Transactions on Wireless Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G7203450436","display_name":null,"funder_award_id":"U21A20444","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7765931635","display_name":null,"funder_award_id":"62371166","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","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":66,"referenced_works":["https://openalex.org/W3036791130","https://openalex.org/W3128807435","https://openalex.org/W3184924368","https://openalex.org/W4214587400","https://openalex.org/W4223568641","https://openalex.org/W4312458537","https://openalex.org/W4312886305","https://openalex.org/W4320015795","https://openalex.org/W4321021721","https://openalex.org/W4322576363","https://openalex.org/W4386322185","https://openalex.org/W4386472844","https://openalex.org/W4386523965","https://openalex.org/W4387546248","https://openalex.org/W4387682038","https://openalex.org/W4387682359","https://openalex.org/W4388666110","https://openalex.org/W4389609926","https://openalex.org/W4389610136","https://openalex.org/W4390660036","https://openalex.org/W4390807353","https://openalex.org/W4391305366","https://openalex.org/W4391341366","https://openalex.org/W4391696901","https://openalex.org/W4391791260","https://openalex.org/W4391827253","https://openalex.org/W4392152683","https://openalex.org/W4392152740","https://openalex.org/W4392405440","https://openalex.org/W4392909287","https://openalex.org/W4393139936","https://openalex.org/W4393184808","https://openalex.org/W4394595049","https://openalex.org/W4394711360","https://openalex.org/W4394896958","https://openalex.org/W4395028049","https://openalex.org/W4395097211","https://openalex.org/W4398187714","https://openalex.org/W4400447596","https://openalex.org/W4401981076","https://openalex.org/W4402474114","https://openalex.org/W4402474718","https://openalex.org/W4402673380","https://openalex.org/W4402809171","https://openalex.org/W4403210055","https://openalex.org/W4403827286","https://openalex.org/W4403976980","https://openalex.org/W4404238569","https://openalex.org/W4404307132","https://openalex.org/W4404787396","https://openalex.org/W4405270138","https://openalex.org/W4405441209","https://openalex.org/W4405487998","https://openalex.org/W4405489192","https://openalex.org/W4405518132","https://openalex.org/W4406094792","https://openalex.org/W4406689889","https://openalex.org/W4407374228","https://openalex.org/W4407831496","https://openalex.org/W4408016736","https://openalex.org/W4408145465","https://openalex.org/W4408934948","https://openalex.org/W4409014629","https://openalex.org/W4410229085","https://openalex.org/W4410491912","https://openalex.org/W4412719166"],"related_works":[],"abstract_inverted_index":{"This":[0],"paper":[1],"proposes":[2],"a":[3,133],"new":[4],"architecture":[5],"for":[6,37,187],"the":[7,25,60,68,73,86,91,113,120,129,150,172],"low-earth":[8],"orbit":[9],"(LEO)":[10],"satellite":[11,49,194],"ground":[12,74,92,176],"station":[13,93],"aided":[14],"by":[15,94,170],"movable":[16],"antenna":[17,23,31,57,61,98,107],"(MA)":[18],"array.":[19],"Unlike":[20],"conventional":[21],"fixed-position":[22],"(FPA),":[24],"MA":[26,164],"array":[27,35],"can":[28],"flexibly":[29],"adjust":[30],"positions":[32,58],"to":[33,84,127],"reconfigure":[34],"geometry,":[36],"more":[38,134],"effectively":[39],"mitigating":[40],"interference":[41,188],"and":[42,102,124,152],"improving":[43],"communication":[44,70,195],"performance":[45],"in":[46,190],"ultra-dense":[47,192],"LEO":[48,193],"networks.":[50,196],"To":[51,76,111],"reduce":[52],"movement":[53],"overhead,":[54],"we":[55,118,138],"configure":[56],"at":[59,175],"initialization":[62],"stage,":[63],"which":[64],"remain":[65],"unchanged":[66],"during":[67],"whole":[69],"period":[71],"of":[72,90],"station.":[75],"this":[77],"end,":[78],"an":[79,140,184],"optimization":[80,116],"problem":[81],"is":[82,156],"formulated":[83],"maximize":[85],"average":[87],"achievable":[88,173],"rate":[89,174],"jointly":[95],"optimizing":[96],"its":[97],"position":[99],"vector":[100],"(APV)":[101],"time-varying":[103],"beamforming":[104],"weights,":[105],"i.e.,":[106],"weight":[108],"vectors":[109],"(AWVs).":[110],"solve":[112],"resulting":[114],"non-convex":[115],"problem,":[117],"adopt":[119],"Lagrangian":[121],"dual":[122],"transformation":[123,126],"quadratic":[125],"reformulate":[128],"objective":[130],"function":[131],"into":[132],"tractable":[135],"form.":[136],"Then,":[137],"develop":[139],"efficient":[141,185],"block":[142],"coordinate":[143],"descent-based":[144],"iterative":[145],"algorithm":[146],"that":[147,161],"alternately":[148],"optimizes":[149],"APV":[151],"AWVs":[153],"until":[154],"convergence":[155],"reached.":[157],"Simulation":[158],"results":[159],"demonstrate":[160],"our":[162],"proposed":[163],"scheme":[165],"significantly":[166],"outperforms":[167],"traditional":[168],"FPA":[169],"increasing":[171],"stations":[177],"under":[178],"various":[179],"system":[180],"setups,":[181],"thus":[182],"providing":[183],"solution":[186],"mitigation":[189],"future":[191]},"counts_by_year":[{"year":2026,"cited_by_count":2}],"updated_date":"2026-01-11T23:08:45.486102","created_date":"2025-12-17T00:00:00"}