{"id":"https://openalex.org/W4408564358","doi":"https://doi.org/10.1109/access.2025.3552539","title":"Dynamic Optimization of User and Cell Association in UAV-Assisted THz 6G Networks","display_name":"Dynamic Optimization of User and Cell Association in UAV-Assisted THz 6G Networks","publication_year":2025,"publication_date":"2025-01-01","ids":{"openalex":"https://openalex.org/W4408564358","doi":"https://doi.org/10.1109/access.2025.3552539"},"language":"en","primary_location":{"id":"doi:10.1109/access.2025.3552539","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2025.3552539","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":null,"license_id":null,"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.2025.3552539","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5092794005","display_name":"Workeneh Geleta Negassa","orcid":"https://orcid.org/0009-0006-9864-2918"},"institutions":[{"id":"https://openalex.org/I865572129","display_name":"Adama Science and Technology University","ror":"https://ror.org/02ccba128","country_code":"ET","type":"education","lineage":["https://openalex.org/I865572129"]}],"countries":["ET"],"is_corresponding":true,"raw_author_name":"Workeneh Geleta Negassa","raw_affiliation_strings":["Department of Electronics and Communication Engineering, Adama Science and Technology University, Adama, Ethiopia","Electronics and Communication Engineering, Adama Science and Technology University Adama, Ethiopia"],"affiliations":[{"raw_affiliation_string":"Department of Electronics and Communication Engineering, Adama Science and Technology University, Adama, Ethiopia","institution_ids":["https://openalex.org/I865572129"]},{"raw_affiliation_string":"Electronics and Communication Engineering, Adama Science and Technology University Adama, Ethiopia","institution_ids":["https://openalex.org/I865572129"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065744244","display_name":"Demissie Jobir Gelmecha","orcid":"https://orcid.org/0000-0002-7948-8285"},"institutions":[{"id":"https://openalex.org/I865572129","display_name":"Adama Science and Technology University","ror":"https://ror.org/02ccba128","country_code":"ET","type":"education","lineage":["https://openalex.org/I865572129"]}],"countries":["ET"],"is_corresponding":false,"raw_author_name":"Demissie Jobir Gelmecha","raw_affiliation_strings":["Department of Electronics and Communication Engineering, Adama Science and Technology University, Adama, Ethiopia","Electronics and Communication Engineering, Adama Science and Technology University Adama, Ethiopia"],"affiliations":[{"raw_affiliation_string":"Department of Electronics and Communication Engineering, Adama Science and Technology University, Adama, Ethiopia","institution_ids":["https://openalex.org/I865572129"]},{"raw_affiliation_string":"Electronics and Communication Engineering, Adama Science and Technology University Adama, Ethiopia","institution_ids":["https://openalex.org/I865572129"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101456891","display_name":"Ram Sewak Singh","orcid":"https://orcid.org/0000-0002-2879-9366"},"institutions":[{"id":"https://openalex.org/I865572129","display_name":"Adama Science and Technology University","ror":"https://ror.org/02ccba128","country_code":"ET","type":"education","lineage":["https://openalex.org/I865572129"]}],"countries":["ET"],"is_corresponding":false,"raw_author_name":"Ram Sewak Singh","raw_affiliation_strings":["Department of Electronics and Communication Engineering, Adama Science and Technology University, Adama, Ethiopia","Electronics and Communication Engineering, Adama Science and Technology University Adama, Ethiopia"],"affiliations":[{"raw_affiliation_string":"Department of Electronics and Communication Engineering, Adama Science and Technology University, Adama, Ethiopia","institution_ids":["https://openalex.org/I865572129"]},{"raw_affiliation_string":"Electronics and Communication Engineering, Adama Science and Technology University Adama, Ethiopia","institution_ids":["https://openalex.org/I865572129"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5092794005"],"corresponding_institution_ids":["https://openalex.org/I865572129"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":2.3891,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.87954923,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":99},"biblio":{"volume":"13","issue":null,"first_page":"52406","last_page":"52431"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9976999759674072,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9976999759674072,"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9950000047683716,"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":0.9950000047683716,"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":0.6644673943519592},{"id":"https://openalex.org/keywords/association","display_name":"Association (psychology)","score":0.645535945892334},{"id":"https://openalex.org/keywords/terahertz-radiation","display_name":"Terahertz radiation","score":0.47965696454048157},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.21007263660430908},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.10667833685874939}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6644673943519592},{"id":"https://openalex.org/C142853389","wikidata":"https://www.wikidata.org/wiki/Q744778","display_name":"Association (psychology)","level":2,"score":0.645535945892334},{"id":"https://openalex.org/C107816215","wikidata":"https://www.wikidata.org/wiki/Q647887","display_name":"Terahertz radiation","level":2,"score":0.47965696454048157},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.21007263660430908},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.10667833685874939},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2025.3552539","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2025.3552539","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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:22408b89b2e445939dc89f7a01577da7","is_oa":true,"landing_page_url":"https://doaj.org/article/22408b89b2e445939dc89f7a01577da7","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 13, Pp 52406-52431 (2025)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2025.3552539","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2025.3552539","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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":58,"referenced_works":["https://openalex.org/W2790256744","https://openalex.org/W2798444003","https://openalex.org/W2903826257","https://openalex.org/W2945580969","https://openalex.org/W2952566294","https://openalex.org/W2963408914","https://openalex.org/W2976468372","https://openalex.org/W3036832179","https://openalex.org/W3043100947","https://openalex.org/W3043421988","https://openalex.org/W3083761724","https://openalex.org/W3108272812","https://openalex.org/W3110474338","https://openalex.org/W3110759292","https://openalex.org/W3115535796","https://openalex.org/W3154638158","https://openalex.org/W3156622738","https://openalex.org/W3162720533","https://openalex.org/W3167450743","https://openalex.org/W3198822726","https://openalex.org/W3210260041","https://openalex.org/W3213510032","https://openalex.org/W3213991726","https://openalex.org/W4226021413","https://openalex.org/W4281715310","https://openalex.org/W4290996464","https://openalex.org/W4295308283","https://openalex.org/W4312557000","https://openalex.org/W4376464588","https://openalex.org/W4379382365","https://openalex.org/W4380143028","https://openalex.org/W4382982443","https://openalex.org/W4386736948","https://openalex.org/W4386766970","https://openalex.org/W4389934637","https://openalex.org/W4390576430","https://openalex.org/W4391559558","https://openalex.org/W4391930725","https://openalex.org/W4392397250","https://openalex.org/W4396688723","https://openalex.org/W4399426426","https://openalex.org/W4400727602","https://openalex.org/W4401413386","https://openalex.org/W4401461790","https://openalex.org/W4402125399","https://openalex.org/W4402568234","https://openalex.org/W4402661222","https://openalex.org/W4404101446","https://openalex.org/W4404442756","https://openalex.org/W4404469374","https://openalex.org/W4405232196","https://openalex.org/W6791991768","https://openalex.org/W6798645695","https://openalex.org/W6799495011","https://openalex.org/W6850018682","https://openalex.org/W6860466417","https://openalex.org/W6860538883","https://openalex.org/W6870640232"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2033952283","https://openalex.org/W2762687161","https://openalex.org/W2353254830","https://openalex.org/W2890072373","https://openalex.org/W2351210568","https://openalex.org/W2028421553","https://openalex.org/W4229079866"],"abstract_inverted_index":{"The":[0,58,215],"dynamic":[1,244],"optimization":[2,48],"of":[3,62],"user":[4,56,159,174],"and":[5,18,29,55,79,86,93,111,121,135,149,161,172,186,198,205,211,235],"cell":[6],"association":[7],"in":[8,21,131,243],"UAV-assisted":[9,255],"THz":[10,245,256],"6G":[11,236,257],"networks":[12],"ensures":[13],"high":[14],"reliability,":[15],"spectral":[16,181,219],"efficiency,":[17,182],"real-time":[19,155],"adaptability":[20,242],"high-mobility":[22],"environments.":[23],"However,":[24],"beam":[25,51,90,96,166,203],"misalignment,":[26],"Doppler":[27,53,101,118,169,199],"effects,":[28],"path":[30,124],"delay":[31,125],"distortions":[32],"significantly":[33,179],"degrade":[34],"network":[35,246],"performance.":[36],"This":[37],"paper":[38],"introduces":[39],"a":[40,250],"novel":[41],"machine":[42],"learning-driven":[43],"framework":[44,60,178,216],"that":[45,194],"integrates":[46,106],"advanced":[47],"techniques":[49],"for":[50,123,154,253],"alignment,":[52],"compensation,":[54,171],"association.":[57],"proposed":[59,177],"consist":[61],"three":[63],"key":[64],"algorithms:":[65],"the":[66,98,136,176],"Deep":[67,144],"Reinforced":[68],"Hybrid":[69],"Angle":[70],"Estimation":[71],"Algorithm":[72,103,140],"(DRHAEA),":[73],"which":[74,105,142],"employed":[75],"deep":[76],"reinforcement":[77],"learning":[78],"transformer-based":[80],"beamforming":[81],"to":[82,116],"dynamically":[83],"adjust":[84],"azimuth":[85],"elevation":[87],"angles,":[88],"mitigating":[89,165],"squint":[91],"effects":[92],"ensuring":[94],"precise":[95],"alignment;":[97],"Adaptive":[99],"Neural":[100,108,113,145,151],"Refinement":[102],"(ANDRA),":[104],"Recurrent":[107],"Networks":[109,114,146,152],"(RNN)":[110],"Multi-Stage":[112],"(MSNN)":[115],"refine":[117],"shift":[119,170],"estimation":[120,197],"compensate":[122],"distortions,":[126,185],"thereby":[127],"enhancing":[128],"synchronization":[129,206],"even":[130],"complex":[132],"urban":[133],"environments":[134],"Neurodynamic":[137],"Channel":[138],"Tracker":[139],"(NCTA),":[141],"utilizes":[143],"(DNN),":[147],"RNN,":[148],"Graph":[150],"(GNN)":[153],"channel":[156],"tracking,":[157],"efficient":[158],"clustering,":[160],"scalable":[162],"connectivity.":[163],"By":[164],"squint,":[167],"optimizing":[168],"improving":[173],"association,":[175],"enhanced":[180],"reduced":[183],"signal":[184],"improved":[187],"UAV-ground":[188],"communication":[189],"reliability.":[190],"Simulation":[191],"results":[192],"demonstrated":[193],"adaptive":[195],"angle":[196],"compensation":[200],"effectively":[201],"minimize":[202],"misalignment":[204],"errors,":[207],"achieving":[208],"low-latency,":[209],"high-throughput,":[210],"stable":[212],"UAV":[213],"communications.":[214],"achieved":[217],"near-optimal":[218],"efficiency":[220],"at":[221],"SNR":[222],"levels":[223],"above":[224],"5":[225],"dB,":[226],"outperforming":[227],"conventional":[228],"approaches.":[229],"Comprehensive":[230],"benchmarking":[231],"against":[232],"IEEE":[233],"802.15.3d":[234],"performance":[237],"metrics":[238],"confirms":[239],"its":[240],"superior":[241],"environments,":[247],"making":[248],"it":[249],"promising":[251],"solution":[252],"next-generation":[254],"networks.":[258]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2}],"updated_date":"2026-03-12T08:34:05.389933","created_date":"2025-10-10T00:00:00"}
