{"id":"https://openalex.org/W7160869371","doi":"https://doi.org/10.48550/arxiv.2605.07261","title":"Movable Subarray-Aided Hybrid Beamforming for Near-Field Multiuser Communications","display_name":"Movable Subarray-Aided Hybrid Beamforming for Near-Field Multiuser Communications","publication_year":2026,"publication_date":"2026-05-08","ids":{"openalex":"https://openalex.org/W7160869371","doi":"https://doi.org/10.48550/arxiv.2605.07261"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2605.07261","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2605.07261","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"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.2605.07261","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5081009203","display_name":"Xiangqian Xu","orcid":"https://orcid.org/0000-0003-0098-5770"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Xu, Xiangqian","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5135843026","display_name":"Songjie Yang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yang, Songjie","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5135897215","display_name":"Arumugam Nallanathan","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Nallanathan, Arumugam","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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.3882000148296356,"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":0.3882000148296356,"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":0.29840001463890076,"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/T10069","display_name":"Antenna Design and Analysis","score":0.0625,"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/beamforming","display_name":"Beamforming","score":0.6019999980926514},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.5609999895095825},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.5342000126838684},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.5077999830245972},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5037999749183655},{"id":"https://openalex.org/keywords/coupling","display_name":"Coupling (piping)","score":0.4657000005245209},{"id":"https://openalex.org/keywords/antenna-array","display_name":"Antenna array","score":0.43790000677108765}],"concepts":[{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.6019999980926514},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.585099995136261},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.5609999895095825},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5504999756813049},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.5342000126838684},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.5077999830245972},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5037999749183655},{"id":"https://openalex.org/C131584629","wikidata":"https://www.wikidata.org/wiki/Q4308705","display_name":"Coupling (piping)","level":2,"score":0.4657000005245209},{"id":"https://openalex.org/C62191587","wikidata":"https://www.wikidata.org/wiki/Q4771249","display_name":"Antenna array","level":3,"score":0.43790000677108765},{"id":"https://openalex.org/C208081375","wikidata":"https://www.wikidata.org/wiki/Q274502","display_name":"Degrees of freedom (physics and chemistry)","level":2,"score":0.42160001397132874},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.38960000872612},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.3822000026702881},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.3515999913215637},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3463999927043915},{"id":"https://openalex.org/C165650700","wikidata":"https://www.wikidata.org/wiki/Q4636347","display_name":"3G MIMO","level":4,"score":0.3382999897003174},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.2833999991416931},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.2700999975204468},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.2662000060081482},{"id":"https://openalex.org/C123079801","wikidata":"https://www.wikidata.org/wiki/Q750240","display_name":"Modulation (music)","level":2,"score":0.2578999996185303}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2605.07261","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2605.07261","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"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.2605.07261","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2605.07261","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"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":[{"score":0.6989614367485046,"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Movable":[0],"antenna":[1,136],"(MA)-enabled":[2],"near-field":[3],"(NF)":[4],"communications":[5],"offer":[6],"significant":[7],"potential":[8],"for":[9,23,49,101],"6G,":[10],"yet":[11],"existing":[12],"designs":[13],"often":[14],"neglect":[15],"the":[16,33,70,91,117],"practical":[17],"constraints":[18],"of":[19,37,121],"hybrid":[20,95],"beamforming":[21],"(HBF)":[22],"extremely":[24],"large-scale":[25],"MIMO":[26],"(XL-MIMO).":[27],"Conversely,":[28],"MA-aided":[29],"HBF":[30,47],"frequently":[31],"overlooks":[32],"rich":[34],"NF":[35,50,75],"degrees":[36],"freedom":[38],"(DoFs).":[39],"This":[40],"paper":[41],"proposes":[42],"a":[43,55,94],"movable":[44],"subarray":[45],"(MSA)-aided":[46],"architecture":[48],"multiuser":[51],"systems,":[52],"which":[53],"strikes":[54],"strategic":[56],"balance":[57],"between":[58],"hardware":[59],"practicality":[60],"and":[61,77,85,124],"spatial":[62],"flexibility.":[63],"By":[64],"coupling":[65],"MSA":[66,78],"movement":[67],"with":[68],"HBF,":[69],"proposed":[71],"design":[72],"simultaneously":[73],"exploits":[74],"distance-dependent":[76],"position-dependent":[79],"DoFs,":[80],"enabling":[81],"highly":[82],"precise":[83],"beamfocusing":[84],"superior":[86],"interference":[87],"mitigation.":[88],"To":[89],"alleviate":[90],"computational":[92],"burden,":[93],"planar-spherical":[96],"wave":[97],"model":[98],"is":[99,111],"introduced":[100],"efficient":[102],"channel":[103],"approximation.":[104],"Furthermore,":[105],"an":[106],"alternating":[107,118],"optimization":[108],"(AO)":[109],"algorithm":[110],"developed":[112],"by":[113],"integrating":[114],"fractional":[115],"programming,":[116],"direction":[119],"method":[120],"multipliers":[122],"(ADMM),":[123],"projected":[125],"gradient":[126],"ascent.":[127],"Simulation":[128],"results":[129],"validate":[130],"substantial":[131],"sum-rate":[132],"gains":[133],"over":[134],"fixedposition":[135],"(FPA)":[137],"benchmarks.":[138]},"counts_by_year":[],"updated_date":"2026-07-28T07:46:37.118299","created_date":"2026-05-12T00:00:00"}
