{"id":"https://openalex.org/W7160270951","doi":"https://doi.org/10.1109/lsp.2026.3689774","title":"Uncertainty-Aware Channel Modeling and Riemannian Joint Optimization of BS Position and Antenna Orientation for Multi-UAV mmWave Communication","display_name":"Uncertainty-Aware Channel Modeling and Riemannian Joint Optimization of BS Position and Antenna Orientation for Multi-UAV mmWave Communication","publication_year":2026,"publication_date":"2026-01-01","ids":{"openalex":"https://openalex.org/W7160270951","doi":"https://doi.org/10.1109/lsp.2026.3689774"},"language":null,"primary_location":{"id":"doi:10.1109/lsp.2026.3689774","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2026.3689774","pdf_url":null,"source":{"id":"https://openalex.org/S120629676","display_name":"IEEE Signal Processing Letters","issn_l":"1070-9908","issn":["1070-9908","1558-2361"],"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 Signal Processing 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/A5135352756","display_name":"Qian Qiao","orcid":"https://orcid.org/0009-0009-7805-6323"},"institutions":[{"id":"https://openalex.org/I1297991670","display_name":"Southwest University of Science and Technology","ror":"https://ror.org/04d996474","country_code":"CN","type":"education","lineage":["https://openalex.org/I1297991670"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qian Qiao","raw_affiliation_strings":["School of Information and Control Engineering, Southwest University of Science and Technology, Mianyang, China"],"raw_orcid":"https://orcid.org/0009-0009-7805-6323","affiliations":[{"raw_affiliation_string":"School of Information and Control Engineering, Southwest University of Science and Technology, Mianyang, China","institution_ids":["https://openalex.org/I1297991670"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5135285988","display_name":"Hong Jiang","orcid":"https://orcid.org/0000-0001-5994-6595"},"institutions":[{"id":"https://openalex.org/I1297991670","display_name":"Southwest University of Science and Technology","ror":"https://ror.org/04d996474","country_code":"CN","type":"education","lineage":["https://openalex.org/I1297991670"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hong Jiang","raw_affiliation_strings":["School of Information and Control Engineering, Southwest University of Science and Technology, Mianyang, China"],"raw_orcid":"https://orcid.org/0000-0001-5994-6595","affiliations":[{"raw_affiliation_string":"School of Information and Control Engineering, Southwest University of Science and Technology, Mianyang, China","institution_ids":["https://openalex.org/I1297991670"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018320278","display_name":"Q Zhang","orcid":null},"institutions":[{"id":"https://openalex.org/I1297991670","display_name":"Southwest University of Science and Technology","ror":"https://ror.org/04d996474","country_code":"CN","type":"education","lineage":["https://openalex.org/I1297991670"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qiuyun Zhang","raw_affiliation_strings":["School of Information and Control Engineering, Southwest University of Science and Technology, Mianyang, China"],"raw_orcid":"https://orcid.org/0000-0002-0079-6198","affiliations":[{"raw_affiliation_string":"School of Information and Control Engineering, Southwest University of Science and Technology, Mianyang, China","institution_ids":["https://openalex.org/I1297991670"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102810205","display_name":"Min Zeng","orcid":"https://orcid.org/0000-0002-9947-6572"},"institutions":[{"id":"https://openalex.org/I1297991670","display_name":"Southwest University of Science and Technology","ror":"https://ror.org/04d996474","country_code":"CN","type":"education","lineage":["https://openalex.org/I1297991670"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Min Zeng","raw_affiliation_strings":["School of Information and Control Engineering, Southwest University of Science and Technology, Mianyang, China"],"raw_orcid":"https://orcid.org/0000-0002-9947-6572","affiliations":[{"raw_affiliation_string":"School of Information and Control Engineering, Southwest University of Science and Technology, Mianyang, China","institution_ids":["https://openalex.org/I1297991670"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5135393123","display_name":"Qiumei Guo","orcid":"https://orcid.org/0009-0004-1074-318X"},"institutions":[{"id":"https://openalex.org/I1297991670","display_name":"Southwest University of Science and Technology","ror":"https://ror.org/04d996474","country_code":"CN","type":"education","lineage":["https://openalex.org/I1297991670"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qiumei Guo","raw_affiliation_strings":["School of Information and Control Engineering, Southwest University of Science and Technology, Mianyang, China"],"raw_orcid":"https://orcid.org/0009-0004-1074-318X","affiliations":[{"raw_affiliation_string":"School of Information and Control Engineering, Southwest University of Science and Technology, Mianyang, China","institution_ids":["https://openalex.org/I1297991670"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5135334735","display_name":"Ying Luo","orcid":"https://orcid.org/0000-0003-3074-8813"},"institutions":[{"id":"https://openalex.org/I1297991670","display_name":"Southwest University of Science and Technology","ror":"https://ror.org/04d996474","country_code":"CN","type":"education","lineage":["https://openalex.org/I1297991670"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ying Luo","raw_affiliation_strings":["School of Information and Control Engineering, Southwest University of Science and Technology, Mianyang, China"],"raw_orcid":"https://orcid.org/0000-0003-3074-8813","affiliations":[{"raw_affiliation_string":"School of Information and Control Engineering, Southwest University of Science and Technology, Mianyang, China","institution_ids":["https://openalex.org/I1297991670"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I1297991670"],"apc_list":{"value":2645,"currency":"USD","value_usd":2645},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.73213114,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"33","issue":null,"first_page":"1821","last_page":"1825"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11133","display_name":"UAV Applications and Optimization","score":0.9840999841690063,"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/T11133","display_name":"UAV Applications and Optimization","score":0.9840999841690063,"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.004699999932199717,"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":0.0038999998942017555,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.7631999850273132},{"id":"https://openalex.org/keywords/solver","display_name":"Solver","score":0.7132999897003174},{"id":"https://openalex.org/keywords/position","display_name":"Position (finance)","score":0.6309000253677368},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6122999787330627},{"id":"https://openalex.org/keywords/metric","display_name":"Metric (unit)","score":0.6098999977111816},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.515999972820282},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.5113000273704529},{"id":"https://openalex.org/keywords/orientation","display_name":"Orientation (vector space)","score":0.49880000948905945}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.7631999850273132},{"id":"https://openalex.org/C2778770139","wikidata":"https://www.wikidata.org/wiki/Q1966904","display_name":"Solver","level":2,"score":0.7132999897003174},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6740000247955322},{"id":"https://openalex.org/C198082294","wikidata":"https://www.wikidata.org/wiki/Q3399648","display_name":"Position (finance)","level":2,"score":0.6309000253677368},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6122999787330627},{"id":"https://openalex.org/C176217482","wikidata":"https://www.wikidata.org/wiki/Q860554","display_name":"Metric (unit)","level":2,"score":0.6098999977111816},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.515999972820282},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.5113000273704529},{"id":"https://openalex.org/C16345878","wikidata":"https://www.wikidata.org/wiki/Q107472979","display_name":"Orientation (vector space)","level":2,"score":0.49880000948905945},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.46369999647140503},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.4059999883174896},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3871999979019165},{"id":"https://openalex.org/C120174047","wikidata":"https://www.wikidata.org/wiki/Q847073","display_name":"Euclidean distance","level":2,"score":0.35589998960494995},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.3239000141620636},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.31869998574256897},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.29739999771118164},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.28610000014305115},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.271699994802475},{"id":"https://openalex.org/C64671776","wikidata":"https://www.wikidata.org/wiki/Q769152","display_name":"Directional antenna","level":3,"score":0.26159998774528503},{"id":"https://openalex.org/C129782007","wikidata":"https://www.wikidata.org/wiki/Q162886","display_name":"Euclidean geometry","level":2,"score":0.2506999969482422}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lsp.2026.3689774","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2026.3689774","pdf_url":null,"source":{"id":"https://openalex.org/S120629676","display_name":"IEEE Signal Processing Letters","issn_l":"1070-9908","issn":["1070-9908","1558-2361"],"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 Signal Processing Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2831753502","display_name":null,"funder_award_id":"62441111","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"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":25,"referenced_works":["https://openalex.org/W3005322855","https://openalex.org/W3041266518","https://openalex.org/W3180149110","https://openalex.org/W3211189031","https://openalex.org/W4226417484","https://openalex.org/W4286543536","https://openalex.org/W4377235531","https://openalex.org/W4386234554","https://openalex.org/W4390576430","https://openalex.org/W4391019767","https://openalex.org/W4393409273","https://openalex.org/W4393972623","https://openalex.org/W4394938938","https://openalex.org/W4399039571","https://openalex.org/W4400188219","https://openalex.org/W4401452170","https://openalex.org/W4402350860","https://openalex.org/W4403446458","https://openalex.org/W4404578578","https://openalex.org/W4407351695","https://openalex.org/W4407938088","https://openalex.org/W4409359641","https://openalex.org/W4410027393","https://openalex.org/W4415178732","https://openalex.org/W7116748904"],"related_works":[],"abstract_inverted_index":{"Improving":[0],"the":[1,27,34],"downlink":[2,71],"throughput":[3],"of":[4],"multi-UAV":[5,82],"air-to-ground":[6],"mmWave":[7,83],"systems":[8],"under":[9],"rapid":[10],"motion":[11],"and":[12,26,57,76],"channel":[13,35],"uncertainty":[14,30],"is":[15,31,51,62],"a":[16,47,58],"critical":[17],"challenge.":[18],"In":[19],"this":[20],"letter,":[21],"UAV":[22],"states":[23],"are":[24],"estimated":[25],"resulting":[28],"position":[29],"propagated":[32],"to":[33],"statistics":[36],"through":[37],"closed-form":[38],"Jacobians.":[39],"We":[40],"propose":[41],"an":[42],"alternating":[43],"optimization":[44,78],"mechanism,":[45],"where":[46],"surrogate":[48],"sum-rate":[49,72],"metric":[50],"used":[52],"for":[53,64],"inner-layer":[54],"precoder":[55],"design":[56],"Riemannian":[59],"trust-region":[60],"solver":[61],"employed":[63],"outer-layer":[65],"BS":[66],"reconfiguration.":[67],"Simulation":[68],"results":[69],"demonstrate":[70],"improvements":[73],"over":[74],"non-optimized":[75],"Euclidean":[77],"baselines":[79],"in":[80],"dynamic":[81],"deployments.":[84]},"counts_by_year":[],"updated_date":"2026-08-21T09:56:20.448147","created_date":"2026-05-06T00:00:00"}