{"id":"https://openalex.org/W7165001847","doi":"https://doi.org/10.48550/arxiv.2606.17484","title":"Exploiting RIS Optimization Limits for Multi-User Beamforming and Signal Suppression","display_name":"Exploiting RIS Optimization Limits for Multi-User Beamforming and Signal Suppression","publication_year":2026,"publication_date":"2026-06-16","ids":{"openalex":"https://openalex.org/W7165001847","doi":"https://doi.org/10.48550/arxiv.2606.17484"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2606.17484","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2606.17484","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.2606.17484","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5069417011","display_name":"Subham Sabud","orcid":"https://orcid.org/0000-0002-3491-5386"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Sabud, Subham","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5138786859","display_name":"Mengni Zhao","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zhao, Mengni","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034560236","display_name":"Chu Ma","orcid":"https://orcid.org/0000-0001-7944-7646"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ma, Chu","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5138822850","display_name":"Suman Banerjee","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Banerjee, Suman","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5138811845","display_name":"Feng Ye","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ye, Feng","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":0.996399998664856,"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":0.996399998664856,"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":0.0006000000284984708,"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.00039999998989515007,"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/convergence","display_name":"Convergence (economics)","score":0.5239999890327454},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.49480000138282776},{"id":"https://openalex.org/keywords/solver","display_name":"Solver","score":0.46939998865127563},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.4480000138282776},{"id":"https://openalex.org/keywords/relaxation","display_name":"Relaxation (psychology)","score":0.39959999918937683},{"id":"https://openalex.org/keywords/hyperparameter","display_name":"Hyperparameter","score":0.3978999853134155},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.38109999895095825},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.375}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7106999754905701},{"id":"https://openalex.org/C2777303404","wikidata":"https://www.wikidata.org/wiki/Q759757","display_name":"Convergence (economics)","level":2,"score":0.5239999890327454},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.5019000172615051},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.49480000138282776},{"id":"https://openalex.org/C2778770139","wikidata":"https://www.wikidata.org/wiki/Q1966904","display_name":"Solver","level":2,"score":0.46939998865127563},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.4480000138282776},{"id":"https://openalex.org/C2776029896","wikidata":"https://www.wikidata.org/wiki/Q3935810","display_name":"Relaxation (psychology)","level":2,"score":0.39959999918937683},{"id":"https://openalex.org/C8642999","wikidata":"https://www.wikidata.org/wiki/Q4171168","display_name":"Hyperparameter","level":2,"score":0.3978999853134155},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.38109999895095825},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3797000050544739},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.375},{"id":"https://openalex.org/C33378366","wikidata":"https://www.wikidata.org/wiki/Q4680719","display_name":"Adaptive beamformer","level":3,"score":0.37380000948905945},{"id":"https://openalex.org/C101468663","wikidata":"https://www.wikidata.org/wiki/Q1620158","display_name":"Modular design","level":2,"score":0.35749998688697815},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.35580000281333923},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.34950000047683716},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.33320000767707825},{"id":"https://openalex.org/C19499675","wikidata":"https://www.wikidata.org/wiki/Q232207","display_name":"Monte Carlo method","level":2,"score":0.30979999899864197},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.30640000104904175},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.27709999680519104},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.2669000029563904},{"id":"https://openalex.org/C101901036","wikidata":"https://www.wikidata.org/wiki/Q2269096","display_name":"Semidefinite programming","level":2,"score":0.26350000500679016},{"id":"https://openalex.org/C149810388","wikidata":"https://www.wikidata.org/wiki/Q5374873","display_name":"Emulation","level":2,"score":0.2630000114440918}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2606.17484","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2606.17484","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.2606.17484","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2606.17484","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":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"This":[0,126],"paper":[1],"presents":[2],"a":[3,22,61,83,131,220],"unified":[4,190],"framework":[5,144],"for":[6,89,154,160,227],"exploiting":[7],"the":[8,36,39,57,94,211],"boundaries":[9,177],"of":[10,38,70,123],"reconfigurable":[11],"intelligent":[12],"surfaces":[13],"(RIS)":[14],"joint":[15,180,191],"optimization":[16,41,138,192],"in":[17,139],"multi-user":[18,141,231],"wireless":[19],"systems,":[20],"where":[21],"single":[23],"RIS":[24,124,224],"accommodates":[25],"diverse":[26],"objectives.We":[27],"first":[28],"propose":[29,82],"an":[30,113],"adaptive":[31],"gradient-scaling":[32],"mechanism":[33,55,134],"that":[34,117,135,210],"accelerates":[35],"convergence":[37],"underlying":[40],"algorithm":[42],"while":[43],"maintaining":[44],"stable":[45],"performance":[46,171],"across":[47,147],"varying":[48],"channel":[49,207],"and":[50,163,167,222,229],"system":[51,77],"parameters.":[52],"The":[53,143],"proposed":[54,212],"enables":[56,118],"solver":[58],"to":[59],"reach":[60],"reasonably":[62],"good":[63],"solution":[64],"rapidly":[65],"without":[66],"requiring":[67],"manual":[68],"tuning":[69],"step":[71],"sizes":[72],"or":[73],"algorithmic":[74],"hyperparameters":[75],"when":[76],"inputs":[78],"change.":[79],"We":[80],"then":[81],"low-complexity":[84],"beamformer":[85],"recovery":[86],"method":[87,193],"tailored":[88],"single-user":[90],"scenarios,":[91],"which":[92,182],"circumvents":[93],"full":[95],"matrix":[96],"decomposition":[97],"required":[98],"by":[99,130],"traditional":[100],"approaches,":[101],"thereby":[102],"significantly":[103],"reducing":[104],"computational":[105],"overhead.":[106],"Building":[107],"on":[108],"these":[109,198],"foundations,":[110],"we":[111,173],"develop":[112],"element":[114],"allocation":[115],"strategy":[116,226],"user-specific":[119],"prioritization":[120],"through":[121],"assignment":[122],"subsets.":[125],"is":[127,145],"further":[128],"extended":[129],"modular":[132],"add-drop":[133],"supports":[136],"partial-panel":[137],"general":[140],"settings.":[142],"evaluated":[146],"three":[148],"representative":[149],"scenarios:":[150],"(i)":[151],"signal":[152,158],"amplification":[153,166],"all":[155,161],"users,":[156,162],"(ii)":[157],"suppression":[159],"(iii)":[164],"selective":[165],"suppression.":[168],"To":[169],"characterize":[170],"limits,":[172],"derive":[174],"power":[175],"trade-off":[176],"using":[178],"scalarized":[179],"optimization,":[181],"closely":[183],"align":[184],"with":[185],"Monte":[186],"Carlo":[187],"simulations.":[188],"Our":[189],"consistently":[194],"yield":[195],"solutions":[196],"near":[197],"boundaries,":[199],"confirming":[200],"its":[201],"near-optimality.":[202],"Extensive":[203],"simulations":[204],"under":[205],"realistic":[206],"models":[208],"demonstrate":[209],"approach":[213],"outperforms":[214],"conventional":[215],"semidefinite":[216],"relaxation":[217],"techniques,":[218],"offering":[219],"scalable":[221],"effective":[223],"control":[225],"cooperative":[228],"competitive":[230],"environments.":[232]},"counts_by_year":[],"updated_date":"2026-07-01T06:00:48.157686","created_date":"2026-06-18T00:00:00"}
