{"id":"https://openalex.org/W7163078387","doi":"https://doi.org/10.1109/tcomm.2026.3698849","title":"Collaborative Trajectory and Resource Optimization for AoI Minimization in Multi-UAV Networks","display_name":"Collaborative Trajectory and Resource Optimization for AoI Minimization in Multi-UAV Networks","publication_year":2026,"publication_date":"2026-01-01","ids":{"openalex":"https://openalex.org/W7163078387","doi":"https://doi.org/10.1109/tcomm.2026.3698849"},"language":null,"primary_location":{"id":"doi:10.1109/tcomm.2026.3698849","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2026.3698849","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"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 Transactions on 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/A5137564705","display_name":"Mangang Xie","orcid":"https://orcid.org/0000-0001-6523-1043"},"institutions":[{"id":"https://openalex.org/I68986083","display_name":"Northwest Normal University","ror":"https://ror.org/00gx3j908","country_code":"CN","type":"education","lineage":["https://openalex.org/I68986083"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Mangang Xie","raw_affiliation_strings":["College of Artificial Intelligence and Computer Science, Northwest Normal University, Lanzhou, China"],"raw_orcid":"https://orcid.org/0000-0001-6523-1043","affiliations":[{"raw_affiliation_string":"College of Artificial Intelligence and Computer Science, Northwest Normal University, Lanzhou, China","institution_ids":["https://openalex.org/I68986083"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100621122","display_name":"Wei Jing","orcid":"https://orcid.org/0000-0003-4170-7259"},"institutions":[{"id":"https://openalex.org/I68986083","display_name":"Northwest Normal University","ror":"https://ror.org/00gx3j908","country_code":"CN","type":"education","lineage":["https://openalex.org/I68986083"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jing Wei","raw_affiliation_strings":["College of Artificial Intelligence and Computer Science, Northwest Normal University, Lanzhou, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Artificial Intelligence and Computer Science, Northwest Normal University, Lanzhou, China","institution_ids":["https://openalex.org/I68986083"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5137557479","display_name":"Xiangdong Jia","orcid":"https://orcid.org/0000-0002-7331-7813"},"institutions":[{"id":"https://openalex.org/I68986083","display_name":"Northwest Normal University","ror":"https://ror.org/00gx3j908","country_code":"CN","type":"education","lineage":["https://openalex.org/I68986083"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiangdong Jia","raw_affiliation_strings":["College of Artificial Intelligence and Computer Science, Northwest Normal University, Lanzhou, China"],"raw_orcid":"https://orcid.org/0000-0002-7331-7813","affiliations":[{"raw_affiliation_string":"College of Artificial Intelligence and Computer Science, Northwest Normal University, Lanzhou, China","institution_ids":["https://openalex.org/I68986083"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5137531167","display_name":"Hongwei Wang","orcid":"https://orcid.org/0000-0002-3385-7284"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hongwei Wang","raw_affiliation_strings":["National Key Laboratory of Wireless Communications, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0002-3385-7284","affiliations":[{"raw_affiliation_string":"National Key Laboratory of Wireless Communications, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5137586219","display_name":"Qianfan Wang","orcid":"https://orcid.org/0000-0002-9913-3043"},"institutions":[{"id":"https://openalex.org/I168719708","display_name":"City University of Hong Kong","ror":"https://ror.org/03q8dnn23","country_code":"HK","type":"education","lineage":["https://openalex.org/I168719708"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Qianfan Wang","raw_affiliation_strings":["Department of Computer Science, City University of Hong Kong, Hong Kong, SAR, China"],"raw_orcid":"https://orcid.org/0000-0002-9913-3043","affiliations":[{"raw_affiliation_string":"Department of Computer Science, City University of Hong Kong, Hong Kong, SAR, China","institution_ids":["https://openalex.org/I168719708"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.84486703,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"74","issue":null,"first_page":"9327","last_page":"9342"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11133","display_name":"UAV Applications and Optimization","score":0.9333999752998352,"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":0.9333999752998352,"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/T11489","display_name":"Air Traffic Management and Optimization","score":0.012900000438094139,"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/T10249","display_name":"Distributed Control Multi-Agent Systems","score":0.011599999852478504,"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/minification","display_name":"Minification","score":0.7184000015258789},{"id":"https://openalex.org/keywords/trajectory","display_name":"Trajectory","score":0.64410001039505},{"id":"https://openalex.org/keywords/trajectory-optimization","display_name":"Trajectory optimization","score":0.41530001163482666},{"id":"https://openalex.org/keywords/resource","display_name":"Resource (disambiguation)","score":0.392300009727478},{"id":"https://openalex.org/keywords/resource-management","display_name":"Resource management (computing)","score":0.3905999958515167},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.35409998893737793},{"id":"https://openalex.org/keywords/resource-allocation","display_name":"Resource allocation","score":0.34040001034736633}],"concepts":[{"id":"https://openalex.org/C147764199","wikidata":"https://www.wikidata.org/wiki/Q6865248","display_name":"Minification","level":2,"score":0.7184000015258789},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6539000272750854},{"id":"https://openalex.org/C13662910","wikidata":"https://www.wikidata.org/wiki/Q193139","display_name":"Trajectory","level":2,"score":0.64410001039505},{"id":"https://openalex.org/C173246807","wikidata":"https://www.wikidata.org/wiki/Q7833062","display_name":"Trajectory optimization","level":3,"score":0.41530001163482666},{"id":"https://openalex.org/C206345919","wikidata":"https://www.wikidata.org/wiki/Q20380951","display_name":"Resource (disambiguation)","level":2,"score":0.392300009727478},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3912000060081482},{"id":"https://openalex.org/C2780609101","wikidata":"https://www.wikidata.org/wiki/Q17156588","display_name":"Resource management (computing)","level":2,"score":0.3905999958515167},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.37450000643730164},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.35409998893737793},{"id":"https://openalex.org/C29202148","wikidata":"https://www.wikidata.org/wiki/Q287260","display_name":"Resource allocation","level":2,"score":0.34040001034736633},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.31060001254081726},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.28220000863075256},{"id":"https://openalex.org/C2987595161","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Optimization algorithm","level":2,"score":0.2808000147342682},{"id":"https://openalex.org/C106516650","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm design","level":2,"score":0.27720001339912415},{"id":"https://openalex.org/C206729178","wikidata":"https://www.wikidata.org/wiki/Q2271896","display_name":"Scheduling (production processes)","level":2,"score":0.27230000495910645},{"id":"https://openalex.org/C133731056","wikidata":"https://www.wikidata.org/wiki/Q4917288","display_name":"Control engineering","level":1,"score":0.26840001344680786},{"id":"https://openalex.org/C55660270","wikidata":"https://www.wikidata.org/wiki/Q5164377","display_name":"Constrained optimization","level":2,"score":0.2669000029563904},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.25999999046325684},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.25850000977516174}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcomm.2026.3698849","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2026.3698849","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"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 Transactions on Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G6157368921","display_name":null,"funder_award_id":"2024B-043","funder_id":"https://openalex.org/F4320335467","funder_display_name":"Natural Science Foundation of Shaanxi Provincial Department of Education"},{"id":"https://openalex.org/G6792373149","display_name":null,"funder_award_id":"62501483","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/F4320335467","display_name":"Natural Science Foundation of Shaanxi Provincial Department of Education","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Wireless-powered":[0],"Internet":[1],"of":[2,13,19,42],"Things":[3],"networks":[4],"face":[5],"critical":[6],"challenges":[7],"due":[8],"to":[9,38,53,74,90],"the":[10,17,40,124],"limited":[11],"energy":[12,75],"sensor":[14],"nodes":[15],"and":[16,77,99,109,114,127,132],"difficulty":[18],"maintaining":[20],"data":[21,35],"freshness.":[22],"To":[23],"address":[24],"these":[25],"issues,":[26],"this":[27],"paper":[28],"proposes":[29],"a":[30,82,110],"multi\u2013unmanned":[31],"aerial":[32],"vehicle":[33],"(UAV)-assisted":[34],"collection":[36],"framework":[37],"minimize":[39],"age":[41],"information":[43],"(AoI).":[44],"A":[45],"hierarchical":[46],"multiple":[47,62,68],"decision":[48],"strategy":[49,117],"(HMDS)":[50],"is":[51,88],"developed":[52],"optimize":[54],"UAV":[55,92],"hovering":[56,131],"time":[57,94],"by":[58],"dynamically":[59],"selecting":[60],"non-orthogonal":[61],"access":[63,69],"or":[64],"orthogonal":[65],"frequency":[66],"division":[67],"for":[70],"intra-cluster":[71],"transmission":[72],"according":[73],"constraints":[76],"channel":[78],"conditions.":[79],"In":[80],"addition,":[81],"multi-collaborative":[83],"trajectory":[84,100],"optimization":[85],"(MCTO)":[86],"scheme":[87],"proposed":[89,125],"reduce":[91,130],"flight":[93,133],"through":[95],"joint":[96],"clustering,":[97,105],"partitioning,":[98,108],"planning.":[101],"Specifically,":[102],"radius-adaptive":[103],"K-means++":[104],"load-balanced":[106],"spectral":[107],"hybrid":[111],"K-nearest":[112],"neighbors":[113],"elite":[115],"ant":[116],"are":[118],"employed.":[119],"Simulation":[120],"results":[121],"show":[122],"that":[123],"HMDS":[126],"MCTO":[128],"significantly":[129],"times,":[134],"thereby":[135],"effectively":[136],"improving":[137],"AoI":[138],"performance.":[139]},"counts_by_year":[],"updated_date":"2026-06-10T06:17:36.459440","created_date":"2026-06-02T00:00:00"}