{"id":"https://openalex.org/W3122751454","doi":"https://doi.org/10.1109/twc.2020.3042977","title":"Sum-Rate Maximization for IRS-Assisted UAV OFDMA Communication Systems","display_name":"Sum-Rate Maximization for IRS-Assisted UAV OFDMA Communication Systems","publication_year":2020,"publication_date":"2020-12-14","ids":{"openalex":"https://openalex.org/W3122751454","doi":"https://doi.org/10.1109/twc.2020.3042977","mag":"3122751454"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2020.3042977","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2020.3042977","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"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 Transactions on Wireless Communications","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://openresearch-repository.anu.edu.au/bitstreams/75fc1242-2073-4ac1-b47d-c9b9a1a4829f/download","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5074077175","display_name":"Zhiqiang Wei","orcid":"https://orcid.org/0000-0003-3400-5590"},"institutions":[{"id":"https://openalex.org/I31746571","display_name":"UNSW Sydney","ror":"https://ror.org/03r8z3t63","country_code":"AU","type":"education","lineage":["https://openalex.org/I31746571"]}],"countries":["AU"],"is_corresponding":true,"raw_author_name":"Zhiqiang Wei","raw_affiliation_strings":["School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, NSW, Australia"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, NSW, Australia","institution_ids":["https://openalex.org/I31746571"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033866006","display_name":"Yuanxin Cai","orcid":"https://orcid.org/0000-0003-4995-8079"},"institutions":[{"id":"https://openalex.org/I31746571","display_name":"UNSW Sydney","ror":"https://ror.org/03r8z3t63","country_code":"AU","type":"education","lineage":["https://openalex.org/I31746571"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Yuanxin Cai","raw_affiliation_strings":["School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, NSW, Australia"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, NSW, Australia","institution_ids":["https://openalex.org/I31746571"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101677842","display_name":"Zhuo Sun","orcid":"https://orcid.org/0000-0003-3115-278X"},"institutions":[{"id":"https://openalex.org/I118347636","display_name":"Australian National University","ror":"https://ror.org/019wvm592","country_code":"AU","type":"education","lineage":["https://openalex.org/I118347636"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Zhuo Sun","raw_affiliation_strings":["Research School of Engineering, Australian National University, Canberra, ACT, Australia"],"affiliations":[{"raw_affiliation_string":"Research School of Engineering, Australian National University, Canberra, ACT, Australia","institution_ids":["https://openalex.org/I118347636"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006080984","display_name":"Derrick Wing Kwan Ng","orcid":"https://orcid.org/0000-0001-6400-712X"},"institutions":[{"id":"https://openalex.org/I31746571","display_name":"UNSW Sydney","ror":"https://ror.org/03r8z3t63","country_code":"AU","type":"education","lineage":["https://openalex.org/I31746571"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Derrick Wing Kwan Ng","raw_affiliation_strings":["School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, NSW, Australia"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, NSW, Australia","institution_ids":["https://openalex.org/I31746571"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091837980","display_name":"Jinhong Yuan","orcid":"https://orcid.org/0000-0002-5794-493X"},"institutions":[{"id":"https://openalex.org/I31746571","display_name":"UNSW Sydney","ror":"https://ror.org/03r8z3t63","country_code":"AU","type":"education","lineage":["https://openalex.org/I31746571"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Jinhong Yuan","raw_affiliation_strings":["School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, NSW, Australia"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, NSW, Australia","institution_ids":["https://openalex.org/I31746571"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101976106","display_name":"Mingyu Zhou","orcid":"https://orcid.org/0000-0003-0734-4976"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Mingyu Zhou","raw_affiliation_strings":["Baicells Technologies Co. Ltd., Beijing, China"],"affiliations":[{"raw_affiliation_string":"Baicells Technologies Co. Ltd., Beijing, China","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5048275579","display_name":"Lixin Sun","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Lixin Sun","raw_affiliation_strings":["Baicells Technologies Co. Ltd., Beijing, China"],"affiliations":[{"raw_affiliation_string":"Baicells Technologies Co. Ltd., Beijing, China","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5074077175"],"corresponding_institution_ids":["https://openalex.org/I31746571"],"apc_list":null,"apc_paid":null,"fwci":18.0928,"has_fulltext":true,"cited_by_count":291,"citation_normalized_percentile":{"value":0.99612403,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":100},"biblio":{"volume":"20","issue":"4","first_page":"2530","last_page":"2550"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9998000264167786,"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":0.9998000264167786,"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":0.996999979019165,"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":0.9682999849319458,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7762055397033691},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.6860552430152893},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiple-access","display_name":"Orthogonal frequency-division multiple access","score":0.5796729922294617},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.5781869888305664},{"id":"https://openalex.org/keywords/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.5632209777832031},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.4985818862915039},{"id":"https://openalex.org/keywords/quality-of-service","display_name":"Quality of service","score":0.49288511276245117},{"id":"https://openalex.org/keywords/benchmark","display_name":"Benchmark (surveying)","score":0.48412975668907166},{"id":"https://openalex.org/keywords/communications-system","display_name":"Communications system","score":0.46288204193115234},{"id":"https://openalex.org/keywords/maximization","display_name":"Maximization","score":0.44821658730506897},{"id":"https://openalex.org/keywords/scheduling","display_name":"Scheduling (production processes)","score":0.44322454929351807},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.37293577194213867},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.3080078959465027},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.27642491459846497},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.25904837250709534},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.22541543841362},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.19891047477722168},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1326877474784851}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7762055397033691},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.6860552430152893},{"id":"https://openalex.org/C2775907427","wikidata":"https://www.wikidata.org/wiki/Q2697649","display_name":"Orthogonal frequency-division multiple access","level":4,"score":0.5796729922294617},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.5781869888305664},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.5632209777832031},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.4985818862915039},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.49288511276245117},{"id":"https://openalex.org/C185798385","wikidata":"https://www.wikidata.org/wiki/Q1161707","display_name":"Benchmark (surveying)","level":2,"score":0.48412975668907166},{"id":"https://openalex.org/C101765175","wikidata":"https://www.wikidata.org/wiki/Q577764","display_name":"Communications system","level":2,"score":0.46288204193115234},{"id":"https://openalex.org/C2776330181","wikidata":"https://www.wikidata.org/wiki/Q18358244","display_name":"Maximization","level":2,"score":0.44821658730506897},{"id":"https://openalex.org/C206729178","wikidata":"https://www.wikidata.org/wiki/Q2271896","display_name":"Scheduling (production processes)","level":2,"score":0.44322454929351807},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.37293577194213867},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.3080078959465027},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.27642491459846497},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.25904837250709534},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.22541543841362},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.19891047477722168},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1326877474784851},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.0},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/twc.2020.3042977","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2020.3042977","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"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 Transactions on Wireless Communications","raw_type":"journal-article"},{"id":"pmh:oai:openresearch-repository.anu.edu.au:1885/303446","is_oa":true,"landing_page_url":"http://hdl.handle.net/1885/303446","pdf_url":"https://openresearch-repository.anu.edu.au/bitstreams/75fc1242-2073-4ac1-b47d-c9b9a1a4829f/download","source":{"id":"https://openalex.org/S4306402539","display_name":"ANU Open Research (Australian National University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I118347636","host_organization_name":"Australian National University","host_organization_lineage":["https://openalex.org/I118347636"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Transactions on Wireless Communications","raw_type":"Journal article"}],"best_oa_location":{"id":"pmh:oai:openresearch-repository.anu.edu.au:1885/303446","is_oa":true,"landing_page_url":"http://hdl.handle.net/1885/303446","pdf_url":"https://openresearch-repository.anu.edu.au/bitstreams/75fc1242-2073-4ac1-b47d-c9b9a1a4829f/download","source":{"id":"https://openalex.org/S4306402539","display_name":"ANU Open Research (Australian National University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I118347636","host_organization_name":"Australian National University","host_organization_lineage":["https://openalex.org/I118347636"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Transactions on Wireless Communications","raw_type":"Journal article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2361132057","display_name":null,"funder_award_id":"DP190101363","funder_id":"https://openalex.org/F4320334704","funder_display_name":"Australian Research Council"}],"funders":[{"id":"https://openalex.org/F4320320965","display_name":"University of New South Wales","ror":"https://ror.org/03r8z3t63"},{"id":"https://openalex.org/F4320334704","display_name":"Australian Research Council","ror":"https://ror.org/05mmh0f86"},{"id":"https://openalex.org/F4320337212","display_name":"Digital Grid Futures Institute, University of New South Wales Canberra","ror":null}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3122751454.pdf","grobid_xml":"https://content.openalex.org/works/W3122751454.grobid-xml"},"referenced_works_count":56,"referenced_works":["https://openalex.org/W1994786006","https://openalex.org/W2091502075","https://openalex.org/W2111819913","https://openalex.org/W2129766733","https://openalex.org/W2140973383","https://openalex.org/W2183109802","https://openalex.org/W2189661557","https://openalex.org/W2272804037","https://openalex.org/W2510173137","https://openalex.org/W2523219060","https://openalex.org/W2735938380","https://openalex.org/W2789779539","https://openalex.org/W2887592610","https://openalex.org/W2904947504","https://openalex.org/W2950077417","https://openalex.org/W2956026482","https://openalex.org/W2962829315","https://openalex.org/W2962986212","https://openalex.org/W2963061782","https://openalex.org/W2963121727","https://openalex.org/W2963143119","https://openalex.org/W2963238659","https://openalex.org/W2963460596","https://openalex.org/W2963555336","https://openalex.org/W2964023906","https://openalex.org/W2969424089","https://openalex.org/W2971912794","https://openalex.org/W2984937369","https://openalex.org/W2990747873","https://openalex.org/W2991743273","https://openalex.org/W2994008524","https://openalex.org/W3000577820","https://openalex.org/W3002205212","https://openalex.org/W3003169134","https://openalex.org/W3007669596","https://openalex.org/W3009128382","https://openalex.org/W3010601625","https://openalex.org/W3011448248","https://openalex.org/W3013032983","https://openalex.org/W3017311957","https://openalex.org/W3019497660","https://openalex.org/W3021225717","https://openalex.org/W3034448035","https://openalex.org/W3036886449","https://openalex.org/W3040433108","https://openalex.org/W3080469715","https://openalex.org/W3099587457","https://openalex.org/W3100218246","https://openalex.org/W3101496806","https://openalex.org/W3102859365","https://openalex.org/W3111937708","https://openalex.org/W4250589301","https://openalex.org/W4312422136","https://openalex.org/W6686282365","https://openalex.org/W6769637482","https://openalex.org/W6771287097"],"related_works":["https://openalex.org/W2963170046","https://openalex.org/W2376244802","https://openalex.org/W1971477554","https://openalex.org/W2158075901","https://openalex.org/W818226659","https://openalex.org/W2923631784","https://openalex.org/W2130785056","https://openalex.org/W4286569445","https://openalex.org/W2047743558","https://openalex.org/W4315777602"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3,114],"consider":[4],"the":[5,28,34,37,44,60,72,79,98,101,105,112,117,120,138,149,160,166,173,177,181,187],"application":[6],"of":[7,40,50,84,89,100,119,189],"intelligent":[8],"reflecting":[9],"surface":[10],"(IRS)":[11],"in":[12,97,192],"unmanned":[13],"aerial":[14],"vehicle":[15],"(UAV)-based":[16],"orthogonal":[17],"frequency":[18],"division":[19],"multiple":[20],"access":[21],"(OFDMA)":[22],"communication":[23,56,194],"systems,":[24],"which":[25],"exploits":[26],"both":[27,93],"significant":[29],"beamforming":[30],"gain":[31,184],"brought":[32],"by":[33,164,186],"IRS":[35,53,91,191],"and":[36,55,95,123,133,154,180],"high":[38],"mobility":[39],"UAV":[41,106],"for":[42,59,137],"improving":[43],"system":[45,62,73],"sum-rate.":[46],"The":[47,87],"joint":[48],"design":[49],"UAV's":[51],"trajectory,":[52],"scheduling,":[54],"resource":[57],"allocation":[58],"proposed":[61],"is":[63,145,157],"formulated":[64,139],"as":[65],"a":[66,125,134],"non-convex":[67],"optimization":[68,143,152],"problem":[69,153],"to":[70,107,129,147],"maximize":[71],"sum-rate":[74,183],"while":[75],"taking":[76],"into":[77],"account":[78],"heterogeneous":[80],"quality-of-service":[81],"(QoS)":[82],"requirement":[83],"each":[85],"user.":[86],"existence":[88],"an":[90,131,190],"introduces":[92],"frequency-selectivity":[94],"spatial-selectivity":[96],"fading":[99],"composite":[102,121],"channel":[103],"from":[104],"ground":[108],"users.":[109],"To":[110],"facilitate":[111],"design,":[113],"first":[115],"derive":[116],"expression":[118],"channels":[122],"propose":[124],"parametric":[126],"approximation":[127],"approach":[128],"establish":[130],"upper":[132,167],"lower":[135,150],"bound":[136,151,168],"problem.":[140,169],"An":[141],"alternating":[142],"algorithm":[144],"devised":[146],"handle":[148],"its":[155],"performance":[156,162],"compared":[158],"with":[159],"benchmark":[161],"achieved":[163,185],"solving":[165],"Simulation":[170],"results":[171],"unveil":[172],"small":[174],"gap":[175],"between":[176],"developed":[178],"bounds":[179],"promising":[182],"deployment":[188],"UAV-based":[193],"systems.":[195]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":59},{"year":2024,"cited_by_count":56},{"year":2023,"cited_by_count":66},{"year":2022,"cited_by_count":74},{"year":2021,"cited_by_count":31},{"year":2020,"cited_by_count":3}],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-10-10T00:00:00"}