{"id":"https://openalex.org/W7123348736","doi":"https://doi.org/10.1109/access.2026.3653293","title":"Optimization of Mixed FSO-RF Downlink Systems With SLIPT-Enabled UAV Base Station and HAP-Mounted Optical RIS","display_name":"Optimization of Mixed FSO-RF Downlink Systems With SLIPT-Enabled UAV Base Station and HAP-Mounted Optical RIS","publication_year":2026,"publication_date":"2026-01-01","ids":{"openalex":"https://openalex.org/W7123348736","doi":"https://doi.org/10.1109/access.2026.3653293"},"language":null,"primary_location":{"id":"doi:10.1109/access.2026.3653293","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2026.3653293","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1109/access.2026.3653293","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5122906678","display_name":"Binh-Minh Vu","orcid":null},"institutions":[{"id":"https://openalex.org/I141371507","display_name":"Soongsil University","ror":"https://ror.org/017xnm587","country_code":"KR","type":"education","lineage":["https://openalex.org/I141371507"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Binh-Minh Vu","raw_affiliation_strings":["School of Electronic Engineering, Soongsil University, Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"School of Electronic Engineering, Soongsil University, Seoul, South Korea","institution_ids":["https://openalex.org/I141371507"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5122884158","display_name":"Ngoc T. Dang","orcid":null},"institutions":[{"id":"https://openalex.org/I4210095603","display_name":"Vietnam Posts and Telecommunications Group (Vietnam)","ror":"https://ror.org/00q0e7f94","country_code":"VN","type":"company","lineage":["https://openalex.org/I4210095603"]},{"id":"https://openalex.org/I4400600977","display_name":"Posts and Telecommunications Institute of Technology","ror":"https://ror.org/0363rtq22","country_code":null,"type":"education","lineage":["https://openalex.org/I4400600977"]}],"countries":["VN"],"is_corresponding":false,"raw_author_name":"Ngoc T. Dang","raw_affiliation_strings":["Posts and Telecommunications Institute of Technology, Hanoi, Vietnam"],"affiliations":[{"raw_affiliation_string":"Posts and Telecommunications Institute of Technology, Hanoi, Vietnam","institution_ids":["https://openalex.org/I4210095603","https://openalex.org/I4400600977"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5039057268","display_name":"Oh\u2010Soon Shin","orcid":"https://orcid.org/0000-0002-6984-8240"},"institutions":[{"id":"https://openalex.org/I141371507","display_name":"Soongsil University","ror":"https://ror.org/017xnm587","country_code":"KR","type":"education","lineage":["https://openalex.org/I141371507"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Oh-Soon Shin","raw_affiliation_strings":["School of Electronic Engineering, Soongsil University, Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"School of Electronic Engineering, Soongsil University, Seoul, South Korea","institution_ids":["https://openalex.org/I141371507"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5122906678"],"corresponding_institution_ids":["https://openalex.org/I141371507"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.08217597,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"14","issue":null,"first_page":"7099","last_page":"7115"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9456999897956848,"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"}},"topics":[{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9456999897956848,"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/T11133","display_name":"UAV Applications and Optimization","score":0.027699999511241913,"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/T10851","display_name":"Optical Wireless Communication Technologies","score":0.012900000438094139,"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":0.8026000261306763},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.795199990272522},{"id":"https://openalex.org/keywords/backhaul","display_name":"Backhaul (telecommunications)","score":0.7039999961853027},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.6538000106811523},{"id":"https://openalex.org/keywords/efficient-energy-use","display_name":"Efficient energy use","score":0.46050000190734863},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.4440999925136566},{"id":"https://openalex.org/keywords/quality-of-service","display_name":"Quality of service","score":0.41100001335144043},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.3666999936103821}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.8026000261306763},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.795199990272522},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.737500011920929},{"id":"https://openalex.org/C103760667","wikidata":"https://www.wikidata.org/wiki/Q798444","display_name":"Backhaul (telecommunications)","level":3,"score":0.7039999961853027},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.6538000106811523},{"id":"https://openalex.org/C2742236","wikidata":"https://www.wikidata.org/wiki/Q924713","display_name":"Efficient energy use","level":2,"score":0.46050000190734863},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.4440999925136566},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.4185999929904938},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4178999960422516},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.41100001335144043},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.3666999936103821},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.35350000858306885},{"id":"https://openalex.org/C159694833","wikidata":"https://www.wikidata.org/wiki/Q2321565","display_name":"Iterative method","level":2,"score":0.3441999852657318},{"id":"https://openalex.org/C168292644","wikidata":"https://www.wikidata.org/wiki/Q10860336","display_name":"Power optimization","level":4,"score":0.3411000072956085},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.32190001010894775},{"id":"https://openalex.org/C101765175","wikidata":"https://www.wikidata.org/wiki/Q577764","display_name":"Communications system","level":2,"score":0.32170000672340393},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.3043000102043152},{"id":"https://openalex.org/C2776330181","wikidata":"https://www.wikidata.org/wiki/Q18358244","display_name":"Maximization","level":2,"score":0.2980000078678131},{"id":"https://openalex.org/C129404179","wikidata":"https://www.wikidata.org/wiki/Q1469765","display_name":"Optical communication","level":2,"score":0.2953000068664551},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.2921999990940094},{"id":"https://openalex.org/C186370098","wikidata":"https://www.wikidata.org/wiki/Q442787","display_name":"Energy (signal processing)","level":2,"score":0.2897999882698059},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.28349998593330383},{"id":"https://openalex.org/C149768029","wikidata":"https://www.wikidata.org/wiki/Q1509342","display_name":"Power budget","level":4,"score":0.2669999897480011},{"id":"https://openalex.org/C67186554","wikidata":"https://www.wikidata.org/wiki/Q17103352","display_name":"Maximum power transfer theorem","level":3,"score":0.2630000114440918}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/access.2026.3653293","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2026.3653293","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1109/access.2026.3653293","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2026.3653293","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.9008463025093079}],"awards":[{"id":"https://openalex.org/G1815356744","display_name":null,"funder_award_id":"RS-2025-02214082","funder_id":"https://openalex.org/F4320322120","funder_display_name":"National Research Foundation of Korea"},{"id":"https://openalex.org/G4859779787","display_name":null,"funder_award_id":"102.02-2023.18","funder_id":"https://openalex.org/F4320309617","funder_display_name":"National Foundation for Science and Technology Development"},{"id":"https://openalex.org/G6871601017","display_name":null,"funder_award_id":"RS-2023-00208995","funder_id":"https://openalex.org/F4320322120","funder_display_name":"National Research Foundation of Korea"}],"funders":[{"id":"https://openalex.org/F4320309617","display_name":"National Foundation for Science and Technology Development","ror":"https://ror.org/04rw64z44"},{"id":"https://openalex.org/F4320322120","display_name":"National Research Foundation of Korea","ror":"https://ror.org/013aysd81"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":49,"referenced_works":["https://openalex.org/W1969648546","https://openalex.org/W2114791139","https://openalex.org/W2511038469","https://openalex.org/W2580241428","https://openalex.org/W2761902178","https://openalex.org/W2786239590","https://openalex.org/W2804608220","https://openalex.org/W2900466600","https://openalex.org/W2915576678","https://openalex.org/W2940674238","https://openalex.org/W2963360098","https://openalex.org/W2963580658","https://openalex.org/W2963615009","https://openalex.org/W2963912769","https://openalex.org/W3010372757","https://openalex.org/W3012501482","https://openalex.org/W3025048143","https://openalex.org/W3036079579","https://openalex.org/W3037943110","https://openalex.org/W3113122929","https://openalex.org/W3130951747","https://openalex.org/W3155561023","https://openalex.org/W3156195074","https://openalex.org/W3167683018","https://openalex.org/W3179283102","https://openalex.org/W3192060051","https://openalex.org/W3204818146","https://openalex.org/W3217259041","https://openalex.org/W4214839470","https://openalex.org/W4280631165","https://openalex.org/W4285047777","https://openalex.org/W4285118548","https://openalex.org/W4294871588","https://openalex.org/W4366818733","https://openalex.org/W4386649036","https://openalex.org/W4387129500","https://openalex.org/W4387272105","https://openalex.org/W4387790021","https://openalex.org/W4388145410","https://openalex.org/W4390691357","https://openalex.org/W4391019653","https://openalex.org/W4392693811","https://openalex.org/W4393379800","https://openalex.org/W4399939588","https://openalex.org/W4401809224","https://openalex.org/W4402834157","https://openalex.org/W4413188679","https://openalex.org/W4414646863","https://openalex.org/W6959410738"],"related_works":[],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3,117],"investigate":[4],"a":[5,17,32],"mixed":[6],"free-space":[7],"optics":[8],"(FSO)-radio":[9],"frequency":[10],"(RF)":[11],"downlink":[12],"communication":[13],"system":[14],"enhanced":[15],"by":[16,75],"simultaneous":[18],"lightwave":[19],"information":[20],"and":[21,31,86,93,106,122],"power":[22,53,84],"transfer":[23],"(SLIPT)-enabled":[24],"unmanned":[25],"aerial":[26],"vehicle":[27],"base":[28],"station":[29,57],"(UAV-BS)":[30],"high-altitude":[33],"platform":[34],"(HAP)-mounted":[35],"optical":[36,55],"reconfigurable":[37],"intelligent":[38],"surface":[39],"(ORIS).":[40],"We":[41],"develop":[42],"overall":[43],"optimization":[44,101],"frameworks":[45],"for":[46,59,111],"end-to-end":[47],"systems":[48],"aimed":[49],"at":[50,54],"minimizing":[51],"transmitted":[52],"ground":[56],"(OGS)":[58],"backhaul":[60],"link":[61],"or":[62],"maximizing":[63],"the":[64,69,78,142,145],"multiuser":[65],"fairness":[66],"rate":[67],"in":[68],"access":[70],"link.":[71],"This":[72],"is":[73],"achieved":[74],"jointly":[76],"optimizing":[77],"UAV-BS":[79],"placement,":[80],"beamforming":[81],"strategy,":[82],"OGS":[83],"allocation,":[85],"power-splitting":[87],"(PS)":[88],"ratio":[89],"under":[90],"energy":[91],"efficiency":[92],"quality":[94],"of":[95,144],"service":[96],"(QoS)":[97],"constraints.":[98],"The":[99],"formulated":[100],"problems":[102],"are":[103],"highly":[104],"non-linear":[105],"non-convex,":[107],"posing":[108],"significant":[109],"challenges":[110],"conventional":[112,139],"methods.":[113],"To":[114],"address":[115],"this,":[116],"employ":[118],"inner":[119],"approximation":[120],"techniques":[121],"propose":[123],"an":[124],"iterative":[125],"algorithm":[126],"to":[127,138],"achieve":[128],"efficient":[129],"solutions.":[130],"Simulation":[131],"results":[132],"demonstrate":[133],"substantial":[134],"performance":[135],"gains":[136],"compared":[137],"benchmarks,":[140],"highlighting":[141],"efficacy":[143],"proposed":[146],"approach.":[147]},"counts_by_year":[],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2026-01-14T00:00:00"}