{"id":"https://openalex.org/W4323338619","doi":"https://doi.org/10.1109/lcomm.2023.3252725","title":"Online Trajectory Optimization for UAV-Assisted Hybrid FSO/RF Network With QoS-Guarantee","display_name":"Online Trajectory Optimization for UAV-Assisted Hybrid FSO/RF Network With QoS-Guarantee","publication_year":2023,"publication_date":"2023-03-06","ids":{"openalex":"https://openalex.org/W4323338619","doi":"https://doi.org/10.1109/lcomm.2023.3252725"},"language":"en","primary_location":{"id":"doi:10.1109/lcomm.2023.3252725","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2023.3252725","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"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 Communications 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/A5064568716","display_name":"Yong-Ce Liu","orcid":null},"institutions":[{"id":"https://openalex.org/I9224756","display_name":"Northeastern University","ror":"https://ror.org/03awzbc87","country_code":"CN","type":"education","lineage":["https://openalex.org/I9224756"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yong-Ce Liu","raw_affiliation_strings":["College of Information Science and Engineering, Northeastern University, Shenyang, China"],"raw_orcid":"https://orcid.org/0000-0003-4281-7804","affiliations":[{"raw_affiliation_string":"College of Information Science and Engineering, Northeastern University, Shenyang, China","institution_ids":["https://openalex.org/I9224756"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029956797","display_name":"Zi-Yang Wu","orcid":null},"institutions":[{"id":"https://openalex.org/I9224756","display_name":"Northeastern University","ror":"https://ror.org/03awzbc87","country_code":"CN","type":"education","lineage":["https://openalex.org/I9224756"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zi-Yang Wu","raw_affiliation_strings":["College of Information Science and Engineering, Northeastern University, Shenyang, China"],"raw_orcid":"https://orcid.org/0000-0002-5334-3686","affiliations":[{"raw_affiliation_string":"College of Information Science and Engineering, Northeastern University, Shenyang, China","institution_ids":["https://openalex.org/I9224756"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5070217194","display_name":"Peng-Cheng Song","orcid":"https://orcid.org/0000-0002-8724-7959"},"institutions":[{"id":"https://openalex.org/I9224756","display_name":"Northeastern University","ror":"https://ror.org/03awzbc87","country_code":"CN","type":"education","lineage":["https://openalex.org/I9224756"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Peng-Cheng Song","raw_affiliation_strings":["College of Information Science and Engineering, Northeastern University, Shenyang, China"],"raw_orcid":"https://orcid.org/0000-0002-8724-7959","affiliations":[{"raw_affiliation_string":"College of Information Science and Engineering, Northeastern University, Shenyang, China","institution_ids":["https://openalex.org/I9224756"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5064568716"],"corresponding_institution_ids":["https://openalex.org/I9224756"],"apc_list":null,"apc_paid":null,"fwci":8.9054,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.96928725,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"27","issue":"5","first_page":"1357","last_page":"1361"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11133","display_name":"UAV Applications and Optimization","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9926000237464905,"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"}},{"id":"https://openalex.org/T11192","display_name":"Underwater Vehicles and Communication Systems","score":0.984499990940094,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/computer-science","display_name":"Computer science","score":0.801607072353363},{"id":"https://openalex.org/keywords/quality-of-service","display_name":"Quality of service","score":0.7725121974945068},{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.7577064633369446},{"id":"https://openalex.org/keywords/trajectory","display_name":"Trajectory","score":0.5941808223724365},{"id":"https://openalex.org/keywords/reinforcement-learning","display_name":"Reinforcement learning","score":0.589019775390625},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.5295518040657043},{"id":"https://openalex.org/keywords/wireless-network","display_name":"Wireless network","score":0.5057117938995361},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4918205738067627},{"id":"https://openalex.org/keywords/cellular-network","display_name":"Cellular network","score":0.4685348570346832},{"id":"https://openalex.org/keywords/trajectory-optimization","display_name":"Trajectory optimization","score":0.46029365062713623},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.4272676706314087},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.4100886881351471},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.17681801319122314},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1611240804195404},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.11723342537879944}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.801607072353363},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.7725121974945068},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.7577064633369446},{"id":"https://openalex.org/C13662910","wikidata":"https://www.wikidata.org/wiki/Q193139","display_name":"Trajectory","level":2,"score":0.5941808223724365},{"id":"https://openalex.org/C97541855","wikidata":"https://www.wikidata.org/wiki/Q830687","display_name":"Reinforcement learning","level":2,"score":0.589019775390625},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.5295518040657043},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.5057117938995361},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4918205738067627},{"id":"https://openalex.org/C153646914","wikidata":"https://www.wikidata.org/wiki/Q535695","display_name":"Cellular network","level":2,"score":0.4685348570346832},{"id":"https://openalex.org/C173246807","wikidata":"https://www.wikidata.org/wiki/Q7833062","display_name":"Trajectory optimization","level":3,"score":0.46029365062713623},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.4272676706314087},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.4100886881351471},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.17681801319122314},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1611240804195404},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.11723342537879944},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lcomm.2023.3252725","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2023.3252725","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"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 Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3940508351","display_name":null,"funder_award_id":"62103088","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4199377556","display_name":null,"funder_award_id":"N2104024","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G78099490","display_name":null,"funder_award_id":"2021M700723","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321543","display_name":"China Postdoctoral Science Foundation","ror":"https://ror.org/0426zh255"},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W1191599655","https://openalex.org/W1996036693","https://openalex.org/W2031834036","https://openalex.org/W2063940079","https://openalex.org/W2119913956","https://openalex.org/W2263466419","https://openalex.org/W2268751503","https://openalex.org/W2736601468","https://openalex.org/W2740005962","https://openalex.org/W2952736579","https://openalex.org/W2963035841","https://openalex.org/W3012501482","https://openalex.org/W3042376287","https://openalex.org/W3120420594","https://openalex.org/W3166223662","https://openalex.org/W3176621127","https://openalex.org/W3191425715","https://openalex.org/W6627932998","https://openalex.org/W6741002519"],"related_works":["https://openalex.org/W4306904969","https://openalex.org/W2138720691","https://openalex.org/W4362501864","https://openalex.org/W4380318855","https://openalex.org/W3084456289","https://openalex.org/W3101253900","https://openalex.org/W2347892399","https://openalex.org/W2133687134","https://openalex.org/W345637666","https://openalex.org/W3038596169"],"abstract_inverted_index":{"This":[0,46],"letter":[1,47],"investigates":[2],"a":[3,49],"hybrid":[4],"FSO/RF":[5],"wireless":[6],"network":[7],"supported":[8],"by":[9],"the":[10,31,38,62,84,89],"unnamed":[11],"aerial":[12],"vehicle":[13],"(UAV),":[14],"providing":[15],"coverage":[16],"for":[17],"mobile":[18],"vehicles.":[19],"Albeit":[20],"mobility":[21,35],"and":[22,77,86],"signal-propagation":[23],"impede":[24],"quality-of-service":[25],"(QoS),":[26],"existing":[27],"research,":[28],"however,":[29],"ignores":[30],"impact":[32],"of":[33,72,75,88],"practical":[34],"that":[36],"reshapes":[37],"behaviour":[39],"pattern":[40],"UAVs":[41],"would":[42],"learn":[43],"to":[44,60],"conduct.":[45],"proposes":[48],"deep":[50],"reinforcement":[51],"learning":[52],"(DRL)":[53],"algorithm":[54],"with":[55],"proximal":[56],"policy":[57],"optimization":[58,67],"(PPO)":[59],"guarantee":[61],"UAV-supported":[63],"QoS":[64,78],"through":[65],"trajectory":[66],"online.":[68],"Under":[69],"various":[70],"setups":[71],"speed":[73],"limitation":[74],"vehicles":[76],"requirements,":[79],"our":[80],"numerical":[81],"results":[82],"demonstrate":[83],"effectiveness":[85],"robustness":[87],"herein":[90],"proposed":[91],"algorithm.":[92]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":1}],"updated_date":"2026-05-03T08:25:01.440150","created_date":"2025-10-10T00:00:00"}