{"id":"https://openalex.org/W4414539341","doi":"https://doi.org/10.1109/icc52391.2025.11161416","title":"Two-Timescale Deep-Unfolding for Joint Optimization of Antenna Position and Beamforming in Movable-Antenna Arrays","display_name":"Two-Timescale Deep-Unfolding for Joint Optimization of Antenna Position and Beamforming in Movable-Antenna Arrays","publication_year":2025,"publication_date":"2025-06-08","ids":{"openalex":"https://openalex.org/W4414539341","doi":"https://doi.org/10.1109/icc52391.2025.11161416"},"language":"en","primary_location":{"id":"doi:10.1109/icc52391.2025.11161416","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc52391.2025.11161416","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICC 2025 - IEEE International Conference on Communications","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5113345071","display_name":"Fengyu Liang","orcid":null},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fengyu Liang","raw_affiliation_strings":["Zhejiang University,College of Information Science and Electronic Engineering,Hangzhou,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Zhejiang University,College of Information Science and Electronic Engineering,Hangzhou,China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034376590","display_name":"Yunlong Cai","orcid":"https://orcid.org/0000-0001-9418-1700"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yunlong Cai","raw_affiliation_strings":["Zhejiang University,College of Information Science and Electronic Engineering,Hangzhou,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Zhejiang University,College of Information Science and Electronic Engineering,Hangzhou,China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100340369","display_name":"An Liu","orcid":"https://orcid.org/0000-0002-3943-5234"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"An Liu","raw_affiliation_strings":["Zhejiang University,College of Information Science and Electronic Engineering,Hangzhou,China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Zhejiang University,College of Information Science and Electronic Engineering,Hangzhou,China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101474760","display_name":"Beno\u0131\u0302t Champagne","orcid":"https://orcid.org/0000-0002-0022-6072"},"institutions":[{"id":"https://openalex.org/I5023651","display_name":"McGill University","ror":"https://ror.org/01pxwe438","country_code":"CA","type":"education","lineage":["https://openalex.org/I5023651"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Benoit Champagne","raw_affiliation_strings":["McGill University,Department of Electrical and Computer Engineering,Montreal,QC,Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"McGill University,Department of Electrical and Computer Engineering,Montreal,QC,Canada","institution_ids":["https://openalex.org/I5023651"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.29757478,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11946","display_name":"Antenna Design and Optimization","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T11946","display_name":"Antenna Design and Optimization","score":0.9998999834060669,"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/T10069","display_name":"Antenna Design and Analysis","score":0.9976999759674072,"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/T12450","display_name":"Radio Astronomy Observations and Technology","score":0.9926000237464905,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.7815999984741211},{"id":"https://openalex.org/keywords/position","display_name":"Position (finance)","score":0.5612999796867371},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.5292999744415283},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.4814000129699707},{"id":"https://openalex.org/keywords/convex-optimization","display_name":"Convex optimization","score":0.447299987077713},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.4438999891281128},{"id":"https://openalex.org/keywords/joint","display_name":"Joint (building)","score":0.4253999888896942},{"id":"https://openalex.org/keywords/nonlinear-system","display_name":"Nonlinear system","score":0.41290000081062317},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.4115000069141388}],"concepts":[{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.7815999984741211},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6396999955177307},{"id":"https://openalex.org/C198082294","wikidata":"https://www.wikidata.org/wiki/Q3399648","display_name":"Position (finance)","level":2,"score":0.5612999796867371},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5386999845504761},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.5292999744415283},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.4814000129699707},{"id":"https://openalex.org/C157972887","wikidata":"https://www.wikidata.org/wiki/Q463359","display_name":"Convex optimization","level":3,"score":0.447299987077713},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.4438999891281128},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.4253999888896942},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.41290000081062317},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.4115000069141388},{"id":"https://openalex.org/C62191587","wikidata":"https://www.wikidata.org/wiki/Q4771249","display_name":"Antenna array","level":3,"score":0.400299996137619},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.35659998655319214},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3546999990940094},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.3463999927043915},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.33219999074935913},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.31139999628067017},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.30379998683929443},{"id":"https://openalex.org/C57493831","wikidata":"https://www.wikidata.org/wiki/Q3134666","display_name":"Projection (relational algebra)","level":2,"score":0.30169999599456787},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.2964000105857849},{"id":"https://openalex.org/C2781181686","wikidata":"https://www.wikidata.org/wiki/Q4226068","display_name":"Coherence (philosophical gambling strategy)","level":2,"score":0.29600000381469727},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.29280000925064087},{"id":"https://openalex.org/C143635782","wikidata":"https://www.wikidata.org/wiki/Q1187868","display_name":"Smart antenna","level":4,"score":0.2799000144004822},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.2736999988555908},{"id":"https://openalex.org/C201829737","wikidata":"https://www.wikidata.org/wiki/Q2022760","display_name":"Linear matrix inequality","level":2,"score":0.2628999948501587},{"id":"https://openalex.org/C194387892","wikidata":"https://www.wikidata.org/wiki/Q1747770","display_name":"Stochastic optimization","level":2,"score":0.25519999861717224},{"id":"https://openalex.org/C33378366","wikidata":"https://www.wikidata.org/wiki/Q4680719","display_name":"Adaptive beamformer","level":3,"score":0.25440001487731934}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icc52391.2025.11161416","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc52391.2025.11161416","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICC 2025 - IEEE International Conference on Communications","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W2023535408","https://openalex.org/W2053521124","https://openalex.org/W2784709112","https://openalex.org/W3167193327","https://openalex.org/W4200630265","https://openalex.org/W4285505691","https://openalex.org/W4387682359","https://openalex.org/W4390660036","https://openalex.org/W4393028756","https://openalex.org/W4395096936"],"related_works":[],"abstract_inverted_index":{"In":[0,48],"this":[1,49],"study,":[2],"we":[3,42,116],"explore":[4],"a":[5,44,118,132],"downlink":[6],"multiuser":[7],"multiple-input":[8],"multiple-output":[9],"(MU-MIMO)":[10],"system":[11,29],"with":[12,155,173],"movable":[13],"antennas":[14],"(MA).":[15],"Our":[16],"objective":[17],"is":[18,56,75],"to":[19,27,32,109,152,169],"jointly":[20],"optimize":[21],"the":[22,51,64,72,87,125,156,163,179,183],"MA":[23,38],"positions":[24],"and":[25,103,112,136,178],"beamforming":[26,73,104],"maximize":[28],"sum-rate.":[30],"Due":[31],"hardware":[33],"limitations":[34],"that":[35,123,162],"make":[36],"real-time":[37],"position":[39,53],"adjustments":[40],"impractical,":[41],"propose":[43,117],"two-timescale":[45],"optimization":[46],"scheme.":[47],"scheme,":[50],"antenna":[52],"vector":[54],"(APV)":[55],"update":[57],"based":[58,77,139],"on":[59,78,140],"long-term":[60],"channel":[61],"statistics":[62],"at":[63],"beginning":[65],"of":[66,127],"each":[67,82],"coherence":[68],"time":[69,84],"block,":[70],"while":[71,130],"matrix":[74,145],"optimized":[76],"short-term":[79],"information":[80],"in":[81,107],"subsequent":[83],"slot":[85],"within":[86],"same":[88],"block.":[89],"We":[90],"develop":[91],"an":[92],"efficient":[93],"stochastic":[94],"successive":[95],"convex":[96],"approximation":[97],"(SSCA)-based":[98],"algorithm":[99,129,165],"for":[100,144],"joint":[101],"APV":[102],"design.":[105],"Additionally,":[106],"order":[108],"improve":[110],"performance":[111],"reduce":[113],"computational":[114],"complexity,":[115],"deep-unfolding":[119],"neural":[120],"network":[121],"(NN)":[122],"preserves":[124],"structure":[126],"SSCA-based":[128,184],"incorporating":[131],"nonlinear":[133],"activation":[134],"function":[135],"trainable":[137],"parameters":[138],"first-order":[141],"Taylor":[142],"approximations":[143],"inversion.":[146],"Meanwhile,":[147],"projection":[148],"operators":[149],"are":[150],"designed":[151],"ensure":[153],"compliance":[154],"design":[157],"constraints.":[158],"Simulation":[159],"results":[160],"show":[161],"twotimescale":[164],"improves":[166],"sum-rate":[167],"compared":[168],"conventional":[170],"MIMO":[171],"systems":[172],"uniform":[174],"linear":[175],"arrays":[176],"(ULA),":[177],"deepunfolding":[180],"NN":[181],"outperforms":[182],"algorithm.":[185]},"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
