{"id":"https://openalex.org/W7135033512","doi":"https://doi.org/10.1109/twc.2026.3671051","title":"Codebook-Based Port Selection and Combining for CSI-Free Uplink Fluid Antenna Multiple Access","display_name":"Codebook-Based Port Selection and Combining for CSI-Free Uplink Fluid Antenna Multiple Access","publication_year":2026,"publication_date":"2026-01-01","ids":{"openalex":"https://openalex.org/W7135033512","doi":"https://doi.org/10.1109/twc.2026.3671051"},"language":null,"primary_location":{"id":"doi:10.1109/twc.2026.3671051","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2026.3671051","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Wireless Communications","raw_type":"journal-article"},"type":"article","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/A5017376276","display_name":"Chenguang Rao","orcid":"https://orcid.org/0000-0003-4072-1497"},"institutions":[{"id":"https://openalex.org/I45129253","display_name":"University College London","ror":"https://ror.org/02jx3x895","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I45129253"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Chenguang Rao","raw_affiliation_strings":["Department of Electronic and Electrical Engineering, University College London, London, U.K"],"affiliations":[{"raw_affiliation_string":"Department of Electronic and Electrical Engineering, University College London, London, U.K","institution_ids":["https://openalex.org/I45129253"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128873988","display_name":"Kai-Kit Wong","orcid":null},"institutions":[{"id":"https://openalex.org/I45129253","display_name":"University College London","ror":"https://ror.org/02jx3x895","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I45129253"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Kai-Kit Wong","raw_affiliation_strings":["Department of Electronic and Electrical Engineering, University College London, London, U.K"],"affiliations":[{"raw_affiliation_string":"Department of Electronic and Electrical Engineering, University College London, London, U.K","institution_ids":["https://openalex.org/I45129253"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044488024","display_name":"Sai Xu","orcid":"https://orcid.org/0000-0001-5581-9564"},"institutions":[{"id":"https://openalex.org/I45129253","display_name":"University College London","ror":"https://ror.org/02jx3x895","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I45129253"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Sai Xu","raw_affiliation_strings":["Department of Electronic and Electrical Engineering, University College London, London, U.K"],"affiliations":[{"raw_affiliation_string":"Department of Electronic and Electrical Engineering, University College London, London, U.K","institution_ids":["https://openalex.org/I45129253"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063037984","display_name":"Xusheng Zhu","orcid":"https://orcid.org/0000-0001-8463-0373"},"institutions":[{"id":"https://openalex.org/I45129253","display_name":"University College London","ror":"https://ror.org/02jx3x895","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I45129253"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Xusheng Zhu","raw_affiliation_strings":["Department of Electronic and Electrical Engineering, University College London, London, U.K"],"affiliations":[{"raw_affiliation_string":"Department of Electronic and Electrical Engineering, University College London, London, U.K","institution_ids":["https://openalex.org/I45129253"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128818511","display_name":"Yangyang Zhang","orcid":null},"institutions":[{"id":"https://openalex.org/I4210087919","display_name":"Kuang-Chi (China)","ror":"https://ror.org/002thpc56","country_code":"CN","type":"company","lineage":["https://openalex.org/I4210087919"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yangyang Zhang","raw_affiliation_strings":["Kuang-Chi Science Ltd, Hong Kong, SAR, China"],"affiliations":[{"raw_affiliation_string":"Kuang-Chi Science Ltd, Hong Kong, SAR, China","institution_ids":["https://openalex.org/I4210087919"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5128853320","display_name":"Chan-Byoung Chae","orcid":null},"institutions":[{"id":"https://openalex.org/I193775966","display_name":"Yonsei University","ror":"https://ror.org/01wjejq96","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Chan-Byoung Chae","raw_affiliation_strings":["School of Integrated Technology, Yonsei University, Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"School of Integrated Technology, Yonsei University, Seoul, South Korea","institution_ids":["https://openalex.org/I193775966"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5017376276"],"corresponding_institution_ids":["https://openalex.org/I45129253"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.89214239,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"25","issue":null,"first_page":"13401","last_page":"13415"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10575","display_name":"Wireless Communication Networks Research","score":0.16179999709129333,"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"}},"topics":[{"id":"https://openalex.org/T10575","display_name":"Wireless Communication Networks Research","score":0.16179999709129333,"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/T12146","display_name":"Power Line Communications and Noise","score":0.12330000102519989,"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/T11192","display_name":"Underwater Vehicles and Communication Systems","score":0.12080000340938568,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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":0.6980999708175659},{"id":"https://openalex.org/keywords/selection","display_name":"Selection (genetic algorithm)","score":0.5658000111579895},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.4198000133037567},{"id":"https://openalex.org/keywords/port","display_name":"Port (circuit theory)","score":0.40049999952316284},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.35019999742507935},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.3497999906539917}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7360000014305115},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6980999708175659},{"id":"https://openalex.org/C81917197","wikidata":"https://www.wikidata.org/wiki/Q628760","display_name":"Selection (genetic algorithm)","level":2,"score":0.5658000111579895},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.4198000133037567},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4147999882698059},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4032000005245209},{"id":"https://openalex.org/C32802771","wikidata":"https://www.wikidata.org/wiki/Q2443617","display_name":"Port (circuit theory)","level":2,"score":0.40049999952316284},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.35019999742507935},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.3497999906539917},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.33390000462532043},{"id":"https://openalex.org/C2986910011","wikidata":"https://www.wikidata.org/wiki/Q17517","display_name":"Cellular radio","level":3,"score":0.2946999967098236},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.2833999991416931},{"id":"https://openalex.org/C2775973920","wikidata":"https://www.wikidata.org/wiki/Q3252726","display_name":"Selection algorithm","level":3,"score":0.27250000834465027},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.2712000012397766},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.2558000087738037}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/twc.2026.3671051","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2026.3671051","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Wireless Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":72,"referenced_works":["https://openalex.org/W1571974874","https://openalex.org/W1922937245","https://openalex.org/W1988969816","https://openalex.org/W1992271171","https://openalex.org/W1998012755","https://openalex.org/W2027563534","https://openalex.org/W2085995765","https://openalex.org/W2116291587","https://openalex.org/W2117756735","https://openalex.org/W2140795512","https://openalex.org/W2141934732","https://openalex.org/W2288501207","https://openalex.org/W2775530016","https://openalex.org/W3003651800","https://openalex.org/W3039758053","https://openalex.org/W3059813204","https://openalex.org/W3107232831","https://openalex.org/W3135725526","https://openalex.org/W4206671696","https://openalex.org/W4213311204","https://openalex.org/W4246520098","https://openalex.org/W4312255685","https://openalex.org/W4313461442","https://openalex.org/W4316661310","https://openalex.org/W4319302730","https://openalex.org/W4323896643","https://openalex.org/W4364322798","https://openalex.org/W4366147759","https://openalex.org/W4379928006","https://openalex.org/W4379928046","https://openalex.org/W4379931467","https://openalex.org/W4386231167","https://openalex.org/W4388073421","https://openalex.org/W4388666093","https://openalex.org/W4390357369","https://openalex.org/W4390800959","https://openalex.org/W4390807353","https://openalex.org/W4391164304","https://openalex.org/W4391827304","https://openalex.org/W4394698407","https://openalex.org/W4394744873","https://openalex.org/W4399938913","https://openalex.org/W4401325875","https://openalex.org/W4401725792","https://openalex.org/W4403977088","https://openalex.org/W4404293657","https://openalex.org/W4404410614","https://openalex.org/W4405304400","https://openalex.org/W4405563700","https://openalex.org/W4405812550","https://openalex.org/W4406208515","https://openalex.org/W4408145380","https://openalex.org/W4409494044","https://openalex.org/W4411226631","https://openalex.org/W4411336699","https://openalex.org/W4411639900","https://openalex.org/W4412748002","https://openalex.org/W4412837196","https://openalex.org/W4413978765","https://openalex.org/W4414110772","https://openalex.org/W4414229345","https://openalex.org/W4414798871","https://openalex.org/W4415159189","https://openalex.org/W4415594190","https://openalex.org/W4416214945","https://openalex.org/W4416513192","https://openalex.org/W4416707233","https://openalex.org/W7083683256","https://openalex.org/W7083700286","https://openalex.org/W7084928101","https://openalex.org/W7085018613","https://openalex.org/W7117338436"],"related_works":[],"abstract_inverted_index":{"Fluid":[0],"antenna":[1,111],"multiple":[2],"access":[3],"(FAMA)":[4],"has":[5],"recently":[6],"emerged":[7],"as":[8],"a":[9,53,78,93,120,216],"simple,":[10],"promising":[11],"scheme":[12,215],"for":[13,63,219],"large-scale":[14],"multiuser":[15,149],"connectivity,":[16],"offering":[17,163],"strong":[18,217],"scalability":[19],"with":[20],"low":[21,189],"implementation":[22],"complexity.":[23,190],"Nevertheless,":[24],"most":[25,104],"existing":[26],"FAMA":[27,61],"studies":[28],"focus":[29],"on":[30],"downlink":[31],"transmission":[32],"under":[33],"perfect":[34],"channel":[35],"state":[36],"information":[37],"(CSI)":[38],"at":[39,69],"the":[40,44,64,70,75,86,103,108,115,124,128,136,176,192,197,201,205,213],"receiver":[41],"side,":[42],"while":[43,187],"uplink":[45,65],"counterpart":[46],"remains":[47],"largely":[48],"unexplored.":[49],"This":[50],"paper":[51],"proposes":[52],"novel":[54],"codebook-based":[55],"port":[56],"selection":[57],"and":[58,83,100,113,127,169,209],"combining":[59,116],"(CPSC)":[60],"framework":[62],"communications":[66],"without":[67,144],"CSI":[68,99,147],"base":[71],"station":[72],"(BS).":[73],"In":[74],"proposed":[76,177,214],"scheme,":[77],"predefined":[79],"codebook":[80],"is":[81],"designed":[82],"broadcast":[84],"by":[85],"BS.":[87],"Each":[88],"user":[89,138],"equipment":[90],"(UE)":[91],"employs":[92],"fluid":[94,110],"antenna,":[95],"acquires":[96],"its":[97],"local":[98],"independently":[101],"chooses":[102],"suitable":[105],"codeword,":[106],"activates":[107],"corresponding":[109],"ports,":[112],"determines":[114],"weights":[117],"to":[118],"achieve":[119],"two-way":[121],"match":[122],"between":[123,166],"selected":[125],"codeword":[126,155],"instantaneous":[129],"effective":[130],"channel.":[131],"The":[132],"BS":[133,206],"then":[134],"separates":[135],"superimposed":[137],"signals":[139],"through":[140],"codebook-guided":[141],"projection":[142],"operations":[143],"requiring":[145],"global":[146],"or":[148],"joint":[150],"optimization.":[151],"To":[152],"handle":[153],"potential":[154],"collisions,":[156],"three":[157],"lightweight":[158],"scheduling":[159],"strategies":[160],"are":[161],"introduced,":[162],"flexible":[164],"trade-offs":[165],"signaling":[167],"overhead":[168],"collision":[170],"avoidance.":[171],"Simulation":[172],"results":[173,193],"demonstrate":[174],"that":[175,195],"CPSC-FAMA":[178],"approach":[179],"achieves":[180],"substantially":[181],"higher":[182],"rates":[183],"than":[184],"fixed-antenna":[185],"systems":[186],"maintaining":[188],"Moreover,":[191],"confirm":[194],"amortizing":[196],"optimization":[198],"cost":[199],"over":[200],"UEs":[202],"effectively":[203],"reduces":[204],"processing":[207],"burden":[208],"enhances":[210],"scalability,":[211],"making":[212],"candidate":[218],"future":[220],"sixth-generation":[221],"(6G)":[222],"networks.":[223]},"counts_by_year":[],"updated_date":"2026-03-14T06:41:57.775601","created_date":"2026-03-13T00:00:00"}