{"id":"https://openalex.org/W4417284676","doi":"https://doi.org/10.1109/pimrc62392.2025.11275405","title":"Joint UAV Trajectory Planning and LEO Satellite Selection for Data Offloading in Space-Air-Ground Integrated Networks","display_name":"Joint UAV Trajectory Planning and LEO Satellite Selection for Data Offloading in Space-Air-Ground Integrated Networks","publication_year":2025,"publication_date":"2025-09-01","ids":{"openalex":"https://openalex.org/W4417284676","doi":"https://doi.org/10.1109/pimrc62392.2025.11275405"},"language":null,"primary_location":{"id":"doi:10.1109/pimrc62392.2025.11275405","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc62392.2025.11275405","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE 36th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)","raw_type":"proceedings-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/A5108924738","display_name":"Boran Wang","orcid":null},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]},{"id":"https://openalex.org/I890469752","display_name":"Ministry of Industry and Information Technology","ror":"https://ror.org/0385nmy68","country_code":"CN","type":"government","lineage":["https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Boran Wang","raw_affiliation_strings":["Nanjing University of Aeronautics and Astronautics,The Key Laboratory of Dynamic Cognitive System of Electromagnetic Spectrum Space, Ministry of Industry and Information Technology,Nanjing,China,211106"],"affiliations":[{"raw_affiliation_string":"Nanjing University of Aeronautics and Astronautics,The Key Laboratory of Dynamic Cognitive System of Electromagnetic Spectrum Space, Ministry of Industry and Information Technology,Nanjing,China,211106","institution_ids":["https://openalex.org/I9842412","https://openalex.org/I890469752"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102750610","display_name":"Ziye Jia","orcid":"https://orcid.org/0000-0001-9281-4826"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]},{"id":"https://openalex.org/I890469752","display_name":"Ministry of Industry and Information Technology","ror":"https://ror.org/0385nmy68","country_code":"CN","type":"government","lineage":["https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ziye Jia","raw_affiliation_strings":["Nanjing University of Aeronautics and Astronautics,The Key Laboratory of Dynamic Cognitive System of Electromagnetic Spectrum Space, Ministry of Industry and Information Technology,Nanjing,China,211106"],"affiliations":[{"raw_affiliation_string":"Nanjing University of Aeronautics and Astronautics,The Key Laboratory of Dynamic Cognitive System of Electromagnetic Spectrum Space, Ministry of Industry and Information Technology,Nanjing,China,211106","institution_ids":["https://openalex.org/I9842412","https://openalex.org/I890469752"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100736895","display_name":"Can Cui","orcid":"https://orcid.org/0000-0002-8429-5875"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]},{"id":"https://openalex.org/I890469752","display_name":"Ministry of Industry and Information Technology","ror":"https://ror.org/0385nmy68","country_code":"CN","type":"government","lineage":["https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Can Cui","raw_affiliation_strings":["Nanjing University of Aeronautics and Astronautics,The Key Laboratory of Dynamic Cognitive System of Electromagnetic Spectrum Space, Ministry of Industry and Information Technology,Nanjing,China,211106"],"affiliations":[{"raw_affiliation_string":"Nanjing University of Aeronautics and Astronautics,The Key Laboratory of Dynamic Cognitive System of Electromagnetic Spectrum Space, Ministry of Industry and Information Technology,Nanjing,China,211106","institution_ids":["https://openalex.org/I9842412","https://openalex.org/I890469752"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5104210300","display_name":"Qihui Wu","orcid":null},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]},{"id":"https://openalex.org/I890469752","display_name":"Ministry of Industry and Information Technology","ror":"https://ror.org/0385nmy68","country_code":"CN","type":"government","lineage":["https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qihui Wu","raw_affiliation_strings":["Nanjing University of Aeronautics and Astronautics,The Key Laboratory of Dynamic Cognitive System of Electromagnetic Spectrum Space, Ministry of Industry and Information Technology,Nanjing,China,211106"],"affiliations":[{"raw_affiliation_string":"Nanjing University of Aeronautics and Astronautics,The Key Laboratory of Dynamic Cognitive System of Electromagnetic Spectrum Space, Ministry of Industry and Information Technology,Nanjing,China,211106","institution_ids":["https://openalex.org/I9842412","https://openalex.org/I890469752"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5108924738"],"corresponding_institution_ids":["https://openalex.org/I890469752","https://openalex.org/I9842412"],"apc_list":null,"apc_paid":null,"fwci":5.1063,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.96271453,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11133","display_name":"UAV Applications and Optimization","score":0.8551999926567078,"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":0.8551999926567078,"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/T12042","display_name":"Satellite Communication Systems","score":0.09019999951124191,"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/T10273","display_name":"IoT and Edge/Fog Computing","score":0.030300000682473183,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/satellite","display_name":"Satellite","score":0.5723999738693237},{"id":"https://openalex.org/keywords/benchmark","display_name":"Benchmark (surveying)","score":0.5454999804496765},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.5388000011444092},{"id":"https://openalex.org/keywords/energy-consumption","display_name":"Energy consumption","score":0.49720001220703125},{"id":"https://openalex.org/keywords/communications-satellite","display_name":"Communications satellite","score":0.43689998984336853},{"id":"https://openalex.org/keywords/data-collection","display_name":"Data collection","score":0.4311000108718872},{"id":"https://openalex.org/keywords/trajectory","display_name":"Trajectory","score":0.4239000082015991},{"id":"https://openalex.org/keywords/joint","display_name":"Joint (building)","score":0.421099990606308},{"id":"https://openalex.org/keywords/selection","display_name":"Selection (genetic algorithm)","score":0.3982999920845032}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7361000180244446},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.5723999738693237},{"id":"https://openalex.org/C185798385","wikidata":"https://www.wikidata.org/wiki/Q1161707","display_name":"Benchmark (surveying)","level":2,"score":0.5454999804496765},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.5388000011444092},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.5388000011444092},{"id":"https://openalex.org/C2780165032","wikidata":"https://www.wikidata.org/wiki/Q16869822","display_name":"Energy consumption","level":2,"score":0.49720001220703125},{"id":"https://openalex.org/C121308736","wikidata":"https://www.wikidata.org/wiki/Q149918","display_name":"Communications satellite","level":3,"score":0.43689998984336853},{"id":"https://openalex.org/C133462117","wikidata":"https://www.wikidata.org/wiki/Q4929239","display_name":"Data collection","level":2,"score":0.4311000108718872},{"id":"https://openalex.org/C13662910","wikidata":"https://www.wikidata.org/wiki/Q193139","display_name":"Trajectory","level":2,"score":0.4239000082015991},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.421099990606308},{"id":"https://openalex.org/C81917197","wikidata":"https://www.wikidata.org/wiki/Q628760","display_name":"Selection (genetic algorithm)","level":2,"score":0.3982999920845032},{"id":"https://openalex.org/C62611344","wikidata":"https://www.wikidata.org/wiki/Q1062658","display_name":"Node (physics)","level":2,"score":0.39559999108314514},{"id":"https://openalex.org/C557945733","wikidata":"https://www.wikidata.org/wiki/Q389772","display_name":"Data transmission","level":2,"score":0.3573000133037567},{"id":"https://openalex.org/C2984118289","wikidata":"https://www.wikidata.org/wiki/Q29954","display_name":"Power consumption","level":3,"score":0.2994000017642975},{"id":"https://openalex.org/C81860439","wikidata":"https://www.wikidata.org/wiki/Q251212","display_name":"Internet of Things","level":2,"score":0.29789999127388},{"id":"https://openalex.org/C112972136","wikidata":"https://www.wikidata.org/wiki/Q7595718","display_name":"Stability (learning theory)","level":2,"score":0.29510000348091125},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.27410000562667847},{"id":"https://openalex.org/C24590314","wikidata":"https://www.wikidata.org/wiki/Q336038","display_name":"Wireless sensor network","level":2,"score":0.26930001378059387},{"id":"https://openalex.org/C2775973920","wikidata":"https://www.wikidata.org/wiki/Q3252726","display_name":"Selection algorithm","level":3,"score":0.2662000060081482},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.26510000228881836},{"id":"https://openalex.org/C67186912","wikidata":"https://www.wikidata.org/wiki/Q367664","display_name":"Data modeling","level":2,"score":0.26249998807907104},{"id":"https://openalex.org/C110157686","wikidata":"https://www.wikidata.org/wiki/Q922122","display_name":"Broadcasting (networking)","level":2,"score":0.26100000739097595},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.2606000006198883},{"id":"https://openalex.org/C2742236","wikidata":"https://www.wikidata.org/wiki/Q924713","display_name":"Efficient energy use","level":2,"score":0.26019999384880066},{"id":"https://openalex.org/C186370098","wikidata":"https://www.wikidata.org/wiki/Q442787","display_name":"Energy (signal processing)","level":2,"score":0.258899986743927},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.2578999996185303}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/pimrc62392.2025.11275405","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc62392.2025.11275405","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE 36th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"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/F4320322857","display_name":"Aeronautical Science Foundation of China","ror":"https://ror.org/02wq41p38"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1894204910","https://openalex.org/W2076594101","https://openalex.org/W2921107625","https://openalex.org/W2962691117","https://openalex.org/W3081933036","https://openalex.org/W3115826427","https://openalex.org/W3172086257","https://openalex.org/W4226424807","https://openalex.org/W4287890146","https://openalex.org/W4312588618","https://openalex.org/W4391935850","https://openalex.org/W4392309238","https://openalex.org/W4404101446","https://openalex.org/W4405056252","https://openalex.org/W4407831496","https://openalex.org/W4410491899"],"related_works":[],"abstract_inverted_index":{"With":[0],"the":[1,14,24,30,45,86,103,115,119,137,142,147,156,171,178,185,188,199],"development":[2],"of":[3,32,38,48,121,160,187],"low":[4],"earth":[5],"orbit":[6],"(LEO)":[7],"satellites":[8,90],"and":[9,35,55,82,111,125,152],"unmanned":[10],"aerial":[11],"vehicles":[12],"(UAVs),":[13],"space-air-ground":[15],"integrated":[16],"network":[17],"(SAGIN)":[18],"becomes":[19],"a":[20,62,163],"major":[21],"trend":[22],"in":[23,68,118,177],"next-generation":[25],"networks.":[26],"However,":[27],"due":[28],"to":[29,43,74,88,101,127,144],"instability":[31],"heterogeneous":[33],"communication":[34],"time-varying":[36],"characteristics":[37,159],"SAGIN,":[39],"it":[40,132],"is":[41,99,117,175],"challenging":[42],"meet":[44],"remote":[46],"Internet":[47],"Things":[49],"(IoT)":[50],"demands":[51],"for":[52,94,107],"data":[53,65,77,87],"collection":[54,78],"offloading.":[56],"In":[57,136],"this":[58],"paper,":[59],"we":[60,130,140],"investigate":[61],"two-phase":[63],"hierarchical":[64],"uplink":[66],"model":[67],"SAGIN.":[69],"Specifically,":[70],"UAVs":[71,153],"optimize":[72,146],"trajectories":[73],"enable":[75],"efficient":[76],"from":[79],"IoT":[80,108,148],"devices,":[81,109],"then":[83],"they":[84],"transmit":[85],"LEO":[89,112,161,165],"with":[91,170,191,198],"computing":[92],"capabilities":[93],"further":[95],"processing.":[96],"The":[97],"problem":[98,116],"formulated":[100],"minimize":[102],"total":[104],"energy":[105,195],"consumption":[106,196],"UAVs,":[110],"satellites.":[113],"Since":[114],"form":[120],"mixed-integer":[122],"nonlinear":[123],"programming":[124],"intractable":[126],"solve":[128],"directly,":[129],"decompose":[131],"into":[133],"two":[134],"phases.":[135],"IoT-UAV":[138],"phase,":[139],"design":[141],"algorithm":[143],"jointly":[145],"pairing,":[149],"power":[150],"allocation,":[151],"trajectories.":[154],"Considering":[155],"high":[157],"dynamic":[158],"satellites,":[162],"real-time":[164],"satellite":[166],"selection":[167],"mechanism":[168],"joint":[169],"Satellite":[172],"Tool":[173],"Kit":[174],"proposed":[176,189],"UAV-LEO":[179],"phase.":[180],"Finally,":[181],"simulation":[182],"results":[183],"show":[184],"effectiveness":[186],"algorithms,":[190],"about":[192],"10%":[193],"less":[194],"compared":[197],"benchmark":[200],"algorithm.":[201]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-12-12T00:00:00"}
