{"id":"https://openalex.org/W7164017846","doi":"https://doi.org/10.48550/arxiv.2606.08017","title":"Fluid Antenna System-Enabled Mitigation of Asynchronous Reception in Cell-Free Massive MIMO Systems","display_name":"Fluid Antenna System-Enabled Mitigation of Asynchronous Reception in Cell-Free Massive MIMO Systems","publication_year":2026,"publication_date":"2026-06-06","ids":{"openalex":"https://openalex.org/W7164017846","doi":"https://doi.org/10.48550/arxiv.2606.08017"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2606.08017","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2606.08017","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.2606.08017","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5138244694","display_name":"Jun Qian","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Qian, Jun","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5138214689","display_name":"Zan Li","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Li, Zan","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040194064","display_name":"Junhui Rao","orcid":"https://orcid.org/0000-0001-6247-3223"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Rao, Junhui","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5138286306","display_name":"Ross Murch","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Murch, Ross","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5138234976","display_name":"Khaled B. Letaief","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Letaief, Khaled B.","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":0.5386000275611877,"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":0.5386000275611877,"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/T10575","display_name":"Wireless Communication Networks Research","score":0.04769999906420708,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13052","display_name":"Molecular Communication and Nanonetworks","score":0.04749999940395355,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/asynchronous-communication","display_name":"Asynchronous communication","score":0.8881999850273132},{"id":"https://openalex.org/keywords/reconfigurability","display_name":"Reconfigurability","score":0.76910001039505},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.7391999959945679},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.707099974155426},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.6804999709129333},{"id":"https://openalex.org/keywords/spatial-multiplexing","display_name":"Spatial multiplexing","score":0.5386999845504761},{"id":"https://openalex.org/keywords/asynchronous-system","display_name":"Asynchronous system","score":0.44600000977516174},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.41449999809265137},{"id":"https://openalex.org/keywords/3g-mimo","display_name":"3G MIMO","score":0.41290000081062317}],"concepts":[{"id":"https://openalex.org/C151319957","wikidata":"https://www.wikidata.org/wiki/Q752739","display_name":"Asynchronous communication","level":2,"score":0.8881999850273132},{"id":"https://openalex.org/C2780149590","wikidata":"https://www.wikidata.org/wiki/Q7302742","display_name":"Reconfigurability","level":2,"score":0.76910001039505},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7391999959945679},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7365999817848206},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.707099974155426},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6804999709129333},{"id":"https://openalex.org/C85884896","wikidata":"https://www.wikidata.org/wiki/Q7574075","display_name":"Spatial multiplexing","level":4,"score":0.5386999845504761},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.462799996137619},{"id":"https://openalex.org/C7923308","wikidata":"https://www.wikidata.org/wiki/Q4812211","display_name":"Asynchronous system","level":5,"score":0.44600000977516174},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.41449999809265137},{"id":"https://openalex.org/C165650700","wikidata":"https://www.wikidata.org/wiki/Q4636347","display_name":"3G MIMO","level":4,"score":0.41290000081062317},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.3928999900817871},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.3792000114917755},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.3743000030517578},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.36410000920295715},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.3361000120639801},{"id":"https://openalex.org/C56685638","wikidata":"https://www.wikidata.org/wiki/Q2300474","display_name":"Power control","level":3,"score":0.33070001006126404},{"id":"https://openalex.org/C91330434","wikidata":"https://www.wikidata.org/wiki/Q738298","display_name":"Multi-user MIMO","level":4,"score":0.31349998712539673},{"id":"https://openalex.org/C2778915421","wikidata":"https://www.wikidata.org/wiki/Q3643177","display_name":"Performance improvement","level":2,"score":0.3037000000476837},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.28450000286102295},{"id":"https://openalex.org/C83204339","wikidata":"https://www.wikidata.org/wiki/Q7523915","display_name":"Single antenna interference cancellation","level":3,"score":0.27570000290870667},{"id":"https://openalex.org/C208081375","wikidata":"https://www.wikidata.org/wiki/Q274502","display_name":"Degrees of freedom (physics and chemistry)","level":2,"score":0.273499995470047},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.2728999853134155},{"id":"https://openalex.org/C105339364","wikidata":"https://www.wikidata.org/wiki/Q2297740","display_name":"Software deployment","level":2,"score":0.2721000015735626},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.26919999718666077},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.2669999897480011},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.25760000944137573}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2606.08017","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2606.08017","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.2606.08017","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2606.08017","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":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Practical":[0],"distributed":[1,37],"deployments":[2],"inherently":[3,168],"suffer":[4],"from":[5],"asynchronous":[6,25,63,128,170,205],"signal":[7,182],"arrivals,":[8],"which":[9,167],"exacerbate":[10],"multi-user":[11],"interference":[12],"and":[13,84,114,159,184,207],"degrade":[14],"system":[15,81,132],"performance,":[16],"especially":[17],"for":[18,134,215],"coherent":[19,83,135],"transmission.":[20],"To":[21],"natively":[22,180],"mitigate":[23],"the":[24,57,71,79,119,137,153,172,213,216],"reception":[26,129,206],"effect,":[27],"this":[28],"paper":[29],"proposes":[30],"integrating":[31],"fluid":[32],"antenna":[33],"systems":[34],"(FASs)":[35],"into":[36],"cell-free":[38,226],"massive":[39,227],"MIMO":[40,228],"systems,":[41],"exploiting":[42],"their":[43],"reconfigurable":[44],"spatial":[45,50,138,177],"positions":[46,113],"to":[47,93,109,179,204],"release":[48],"additional":[49],"degrees":[51],"of":[52,78,155,174,219],"freedom":[53],"(DoFs).":[54],"We":[55,68],"establish":[56],"FAS-enabled":[58,193],"data":[59],"transmission":[60],"model":[61],"with":[62,146,196],"reception,":[64,171],"i.e.,":[65],"delay":[66,157],"phases.":[67],"also":[69],"derive":[70],"analytical":[72],"downlink":[73,120],"spectral":[74],"efficiency":[75],"(SE)":[76],"performance":[77,133,201],"proposed":[80,192],"under":[82],"non-coherent":[85,165],"transmissions,":[86],"using":[87],"low-complexity":[88],"Maximum":[89],"Ratio":[90],"(MR)":[91],"precoding":[92],"provide":[94],"fundamental":[95],"theoretical":[96],"bounds.":[97],"Specifically,":[98],"we":[99],"propose":[100],"a":[101],"novel":[102],"nonmonotone":[103],"accelerated":[104],"projected":[105],"gradient":[106],"ascent":[107],"algorithm":[108],"jointly":[110],"optimize":[111],"FAS":[112,143,175],"power":[115,148,198],"control":[116],"coefficients,":[117],"maximizing":[118],"sum":[121],"SE.":[122],"Numerical":[123],"results":[124],"demonstrate":[125],"that":[126],"while":[127],"severely":[130],"degrades":[131],"transmission,":[136,166],"DoFs":[139],"unlocked":[140],"by":[141],"optimized":[142],"positions,":[144],"along":[145],"efficient":[147,197,224],"control,":[149,199],"can":[150],"significantly":[151],"counteract":[152],"effects":[154],"unknown":[156],"phases":[158],"outperform":[160],"traditional":[161,209],"fixed-position":[162,210],"antennas.":[163],"For":[164],"bypasses":[169],"application":[173],"leverages":[176],"reconfigurability":[178],"maximize":[181],"strength":[183],"achieve":[185],"more":[186],"pronounced":[187],"SE":[188],"gains.":[189],"Ultimately,":[190],"our":[191],"system,":[194],"coupled":[195],"mitigates":[200],"degradation":[202],"due":[203],"outperforms":[208],"antennas,":[211],"paving":[212],"way":[214],"practical":[217],"deployment":[218],"FASs":[220],"in":[221],"robust,":[222],"highly":[223],"6G":[225],"systems.":[229]},"counts_by_year":[],"updated_date":"2026-07-01T06:00:48.157686","created_date":"2026-06-10T00:00:00"}
