{"id":"https://openalex.org/W7156872561","doi":"https://doi.org/10.48550/arxiv.2604.23310","title":"RadTwin: Generalizable Wireless Digital Twin for Dynamic Environments","display_name":"RadTwin: Generalizable Wireless Digital Twin for Dynamic Environments","publication_year":2026,"publication_date":"2026-04-25","ids":{"openalex":"https://openalex.org/W7156872561","doi":"https://doi.org/10.48550/arxiv.2604.23310"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2604.23310","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2604.23310","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2604.23310","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5134758822","display_name":"Yuru Zhang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zhang, Yuru","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5134770207","display_name":"Ming Zhao","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zhao, Ming","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5134809555","display_name":"Qiang Liu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Liu, Qiang","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5134773171","display_name":"Ahmed Alkhateeb","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Alkhateeb, Ahmed","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066915898","display_name":"Abhishek Agrawal","orcid":"https://orcid.org/0000-0002-7882-1461"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Agrawal, Abhishek K.","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5134812174","display_name":"Qi Qu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Qu, Qi","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.43790000677108765,"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.43790000677108765,"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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.09529999643564224,"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":0.05739999935030937,"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/wireless","display_name":"Wireless","score":0.629800021648407},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.5145000219345093},{"id":"https://openalex.org/keywords/wireless-network","display_name":"Wireless network","score":0.4805999994277954},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.45590001344680786},{"id":"https://openalex.org/keywords/field","display_name":"Field (mathematics)","score":0.4196000099182129},{"id":"https://openalex.org/keywords/radiance","display_name":"Radiance","score":0.4009999930858612},{"id":"https://openalex.org/keywords/generalization","display_name":"Generalization","score":0.39730000495910645},{"id":"https://openalex.org/keywords/artificial-neural-network","display_name":"Artificial neural network","score":0.38909998536109924},{"id":"https://openalex.org/keywords/wi-fi","display_name":"Wi-Fi","score":0.34290000796318054}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.784600019454956},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.629800021648407},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5267999768257141},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.5145000219345093},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.4805999994277954},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4603999853134155},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.45590001344680786},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.4196000099182129},{"id":"https://openalex.org/C23690007","wikidata":"https://www.wikidata.org/wiki/Q1411145","display_name":"Radiance","level":2,"score":0.4009999930858612},{"id":"https://openalex.org/C177148314","wikidata":"https://www.wikidata.org/wiki/Q170084","display_name":"Generalization","level":2,"score":0.39730000495910645},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.38909998536109924},{"id":"https://openalex.org/C508800617","wikidata":"https://www.wikidata.org/wiki/Q29643","display_name":"Wi-Fi","level":4,"score":0.34290000796318054},{"id":"https://openalex.org/C121483023","wikidata":"https://www.wikidata.org/wiki/Q7298343","display_name":"Ray tracing (physics)","level":2,"score":0.3382999897003174},{"id":"https://openalex.org/C139807058","wikidata":"https://www.wikidata.org/wiki/Q352374","display_name":"Adaptation (eye)","level":2,"score":0.33559998869895935},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.32120001316070557},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.30309998989105225},{"id":"https://openalex.org/C138673069","wikidata":"https://www.wikidata.org/wiki/Q322229","display_name":"Tracing","level":2,"score":0.30140000581741333},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.2992999851703644},{"id":"https://openalex.org/C24590314","wikidata":"https://www.wikidata.org/wiki/Q336038","display_name":"Wireless sensor network","level":2,"score":0.29589998722076416},{"id":"https://openalex.org/C76843793","wikidata":"https://www.wikidata.org/wiki/Q1474701","display_name":"Radio propagation model","level":3,"score":0.27869999408721924},{"id":"https://openalex.org/C2781067378","wikidata":"https://www.wikidata.org/wiki/Q17027399","display_name":"Interpretability","level":2,"score":0.2736000120639801},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.2687000036239624},{"id":"https://openalex.org/C54170458","wikidata":"https://www.wikidata.org/wiki/Q663554","display_name":"Voxel","level":2,"score":0.2587999999523163},{"id":"https://openalex.org/C202311505","wikidata":"https://www.wikidata.org/wiki/Q1474701","display_name":"Radio propagation","level":2,"score":0.25690001249313354},{"id":"https://openalex.org/C181672929","wikidata":"https://www.wikidata.org/wiki/Q4115141","display_name":"Digital mapping","level":2,"score":0.25040000677108765}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2604.23310","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2604.23310","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2604.23310","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2604.23310","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11","score":0.5773329734802246}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Precisely":[0],"modeling":[1],"radio":[2,131],"propagation":[3,118,132],"in":[4],"dynamic":[5,69,197],"wireless":[6,14,56,198],"environments":[7,46,70],"is":[8],"fundamental":[9],"to":[10,39,68,128,173],"the":[11,135],"realization":[12],"of":[13,146],"digital":[15,57,193],"twins.":[16],"Traditional":[17],"ray":[18,95],"tracing":[19,96],"methods":[20],"rely":[21],"on":[22,63,142],"accurate":[23],"3D":[24],"models":[25],"with":[26,149],"detailed":[27],"environment":[28],"parameters,":[29],"while":[30],"recent":[31],"neural":[32,117],"radiance":[33],"field":[34],"approaches":[35],"learn":[36,129],"representations":[37],"tied":[38],"specific":[40],"static":[41],"scenes,":[42],"requiring":[43],"retraining":[44],"when":[45],"change.":[47],"In":[48],"this":[49],"paper,":[50],"we":[51],"propose":[52],"RadTwin,":[53],"a":[54,79,116,143,188],"generalizable":[55],"twin":[58],"framework":[59],"that":[60,83,98,106,120,156],"explicitly":[61],"conditions":[62],"scene":[64,87,123,137],"geometry,":[65],"enabling":[66],"adaptation":[67],"without":[71],"retraining.":[72],"RadTwin":[73,141,157,175],"comprises":[74],"three":[75],"key":[76],"components:":[77],"1)":[78],"scenario":[80],"representation":[81],"network":[82,194],"extracts":[84],"high-level":[85],"latent":[86],"features":[88,124],"from":[89],"point":[90],"clouds,":[91],"2)":[92],"an":[93],"electromagnetic":[94],"module":[97],"computes":[99],"physics-informed":[100],"sparse":[101],"attention":[102],"masks":[103],"identifying":[104],"voxels":[105],"physically":[107],"contribute":[108],"signals":[109],"toward":[110,191],"each":[111],"query":[112],"direction,":[113],"and":[114,165,181,184],"3)":[115],"decoder":[119],"aggregates":[121],"relevant":[122],"through":[125],"masked":[126],"cross-attention":[127],"how":[130],"behaves":[133],"within":[134],"given":[136],"geometry.":[138],"We":[139],"evaluate":[140],"customized":[144],"dataset":[145],"indoor":[147],"scenes":[148],"varying":[150],"furniture":[151],"arrangements.":[152],"Experimental":[153],"results":[154],"show":[155],"achieves":[158],"31.6%":[159],"higher":[160],"SSIM":[161],"(0.846":[162],"vs.":[163,170],"0.643)":[164],"91.96%":[166],"lower":[167],"LPIPS":[168],"(0.023":[169],"0.286)":[171],"compared":[172],"NeRF2.":[174],"further":[176],"demonstrates":[177],"superior":[178],"cross-scale":[179],"performance":[180],"high":[182],"generalization":[183],"data":[185],"efficiency,":[186],"representing":[187],"significant":[189],"advancement":[190],"practical":[192],"twins":[195],"for":[196],"environments.":[199]},"counts_by_year":[],"updated_date":"2026-07-01T06:00:48.157686","created_date":"2026-04-29T00:00:00"}