{"id":"https://openalex.org/W7164885895","doi":"https://doi.org/10.48550/arxiv.2606.15183","title":"Two-Timescale Design for Downlink Multiuser Transmission with Dynamic Metasurface Antennas","display_name":"Two-Timescale Design for Downlink Multiuser Transmission with Dynamic Metasurface Antennas","publication_year":2026,"publication_date":"2026-06-13","ids":{"openalex":"https://openalex.org/W7164885895","doi":"https://doi.org/10.48550/arxiv.2606.15183"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2606.15183","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2606.15183","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.2606.15183","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5138749107","display_name":"Hao Xu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Xu, Hao","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5136673672","display_name":"Angel Lozano","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Lozano, Angel","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5138690739","display_name":"Hongwen Yang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yang, Hongwen","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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.7402999997138977,"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":0.7402999997138977,"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":0.09179999679327011,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.07720000296831131,"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":0.6491000056266785},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.6032999753952026},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.5210999846458435},{"id":"https://openalex.org/keywords/convex-optimization","display_name":"Convex optimization","score":0.506600022315979},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.47369998693466187},{"id":"https://openalex.org/keywords/energy","display_name":"Energy (signal processing)","score":0.44780001044273376},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.4374000132083893}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6491000056266785},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6484000086784363},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.6032999753952026},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5461000204086304},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.5210999846458435},{"id":"https://openalex.org/C157972887","wikidata":"https://www.wikidata.org/wiki/Q463359","display_name":"Convex optimization","level":3,"score":0.506600022315979},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.47369998693466187},{"id":"https://openalex.org/C186370098","wikidata":"https://www.wikidata.org/wiki/Q442787","display_name":"Energy (signal processing)","level":2,"score":0.44780001044273376},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.4374000132083893},{"id":"https://openalex.org/C2780165032","wikidata":"https://www.wikidata.org/wiki/Q16869822","display_name":"Energy consumption","level":2,"score":0.43130001425743103},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.35589998960494995},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.3425999879837036},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.3409999907016754},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.32199999690055847},{"id":"https://openalex.org/C2777104032","wikidata":"https://www.wikidata.org/wiki/Q16324514","display_name":"Multiuser detection","level":3,"score":0.3197999894618988},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.29440000653266907},{"id":"https://openalex.org/C112680207","wikidata":"https://www.wikidata.org/wiki/Q714886","display_name":"Regular polygon","level":2,"score":0.2766999900341034},{"id":"https://openalex.org/C48262172","wikidata":"https://www.wikidata.org/wiki/Q16908765","display_name":"Design process","level":3,"score":0.26820001006126404},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.25380000472068787}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2606.15183","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2606.15183","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.2606.15183","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2606.15183","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":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.9105003476142883}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Dynamic":[0],"metasurface":[1],"antennas":[2],"(DMAs)":[3],"promise":[4],"to":[5,72],"relieve":[6],"massive":[7],"multiple-input":[8],"multiple-output":[9],"architectures":[10],"from":[11],"their":[12],"high":[13],"energy":[14],"consumption":[15],"and":[16,38,100],"hardware":[17],"costs.":[18],"This":[19],"paper":[20,64],"proposes":[21],"a":[22,31,59,126],"two-timescale":[23,141],"design":[24,32,142],"for":[25,61,114,119,129,148],"downlink":[26],"multiuser":[27],"transmission":[28],"via":[29],"DMAs,":[30],"that":[33,69,138],"balances":[34],"pilot":[35],"overhead,":[36],"complexity,":[37],"spectral":[39],"efficiency.":[40],"At":[41],"the":[42,47,63,74,86,96,101,120,130,139],"onset":[43],"of":[44,123],"each":[45,84,92],"frame,":[46,85],"DMA":[48,98],"coefficients":[49,99],"are":[50],"configured":[51],"based":[52,94],"only":[53],"on":[54,95],"statistical":[55],"channel-state":[56],"information":[57],"(CSI),":[58],"process":[60],"which":[62],"introduces":[65],"an":[66,145],"optimization":[67,117],"framework":[68],"is":[70,89,112,133],"shown":[71],"outperform":[73],"widely":[75],"used":[76],"stochastic":[77],"successive":[78],"convex":[79],"approximation":[80],"method.":[81],"Then,":[82],"within":[83],"digital":[87,131],"precoder":[88,132],"updated":[90],"at":[91],"slot,":[93],"optimized":[97],"effective":[102],"lower-dimensional":[103],"instantaneous":[104],"CSI.":[105],"The":[106],"weighted":[107],"minimum":[108],"mean-squared":[109],"error":[110],"method":[111],"applied":[113],"this":[115],"short-term":[116],"and,":[118],"special":[121],"case":[122],"single-user":[124],"transmission,":[125],"closed-form":[127],"solution":[128],"provided.":[134],"Performance":[135],"evaluations":[136],"demonstrate":[137],"proposed":[140],"can":[143],"be":[144],"attractive":[146],"ingredient":[147],"future":[149],"wireless":[150],"networks.":[151]},"counts_by_year":[],"updated_date":"2026-07-01T06:00:48.157686","created_date":"2026-06-17T00:00:00"}