{"id":"https://openalex.org/W7124837422","doi":"https://doi.org/10.1109/twc.2026.3653191","title":"Capacity Characterization of Pinching-Antenna Systems","display_name":"Capacity Characterization of Pinching-Antenna Systems","publication_year":2026,"publication_date":"2026-01-01","ids":{"openalex":"https://openalex.org/W7124837422","doi":"https://doi.org/10.1109/twc.2026.3653191"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2026.3653191","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2026.3653191","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/A5037893093","display_name":"Chongjun Ouyang","orcid":"https://orcid.org/0000-0003-1293-1104"},"institutions":[{"id":"https://openalex.org/I100930933","display_name":"University College Dublin","ror":"https://ror.org/05m7pjf47","country_code":"IE","type":"education","lineage":["https://openalex.org/I100930933"]}],"countries":["IE"],"is_corresponding":true,"raw_author_name":"Chongjun Ouyang","raw_affiliation_strings":["School of Electrical and Electronic Engineering, University College Dublin, Dublin, Ireland"],"raw_orcid":"https://orcid.org/0000-0003-1293-1104","affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, University College Dublin, Dublin, Ireland","institution_ids":["https://openalex.org/I100930933"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5123434977","display_name":"Zhaolin Wang","orcid":null},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Zhaolin Wang","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, China"],"raw_orcid":"https://orcid.org/0000-0003-4614-0175","affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I889458895"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5123373615","display_name":"Yuanwei Liu","orcid":null},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Yuanwei Liu","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, China"],"raw_orcid":"https://orcid.org/0000-0002-6389-8941","affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I889458895"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5123400634","display_name":"Hyundong Shin","orcid":null},"institutions":[{"id":"https://openalex.org/I35928602","display_name":"Kyung Hee University","ror":"https://ror.org/01zqcg218","country_code":"KR","type":"education","lineage":["https://openalex.org/I35928602"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Hyundong Shin","raw_affiliation_strings":["Department of Electronics and Information Convergence Engineering, Kyung Hee University, Yongin-si, Gyeonggi-do, South Korea"],"raw_orcid":"https://orcid.org/0000-0003-3364-8084","affiliations":[{"raw_affiliation_string":"Department of Electronics and Information Convergence Engineering, Kyung Hee University, Yongin-si, Gyeonggi-do, South Korea","institution_ids":["https://openalex.org/I35928602"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5121285880","display_name":"Zhiguo Ding","orcid":null},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Zhiguo Ding","raw_affiliation_strings":["School of Electrical and Electronic Engineering (EEE), Nanyang Technological University, Jurong West, Singapore"],"raw_orcid":"https://orcid.org/0000-0001-5280-384X","affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering (EEE), Nanyang Technological University, Jurong West, Singapore","institution_ids":["https://openalex.org/I172675005"]}]}],"institutions":[],"countries_distinct_count":4,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5037893093"],"corresponding_institution_ids":["https://openalex.org/I100930933"],"apc_list":null,"apc_paid":null,"fwci":13.0029,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.96164335,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":98},"biblio":{"volume":"25","issue":null,"first_page":"10387","last_page":"10404"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.5878000259399414,"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":0.5878000259399414,"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":0.16110000014305115,"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/T10069","display_name":"Antenna Design and Analysis","score":0.03799999877810478,"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/telecommunications-link","display_name":"Telecommunications link","score":0.9204999804496765},{"id":"https://openalex.org/keywords/channel-capacity","display_name":"Channel capacity","score":0.6960999965667725},{"id":"https://openalex.org/keywords/time-division-multiple-access","display_name":"Time division multiple access","score":0.6843000054359436},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5383999943733215},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.4462999999523163},{"id":"https://openalex.org/keywords/capacity-optimization","display_name":"Capacity optimization","score":0.43470001220703125},{"id":"https://openalex.org/keywords/frequency-division-multiple-access","display_name":"Frequency-division multiple access","score":0.43209999799728394}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.9204999804496765},{"id":"https://openalex.org/C97744766","wikidata":"https://www.wikidata.org/wiki/Q870845","display_name":"Channel capacity","level":3,"score":0.6960999965667725},{"id":"https://openalex.org/C117313154","wikidata":"https://www.wikidata.org/wiki/Q878344","display_name":"Time division multiple access","level":2,"score":0.6843000054359436},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5383999943733215},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5304999947547913},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.4462999999523163},{"id":"https://openalex.org/C2776469763","wikidata":"https://www.wikidata.org/wiki/Q5034491","display_name":"Capacity optimization","level":3,"score":0.43470001220703125},{"id":"https://openalex.org/C2776208322","wikidata":"https://www.wikidata.org/wiki/Q844071","display_name":"Frequency-division multiple access","level":4,"score":0.43209999799728394},{"id":"https://openalex.org/C2778023678","wikidata":"https://www.wikidata.org/wiki/Q554403","display_name":"Duality (order theory)","level":2,"score":0.4180999994277954},{"id":"https://openalex.org/C198082294","wikidata":"https://www.wikidata.org/wiki/Q3399648","display_name":"Position (finance)","level":2,"score":0.3896999955177307},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.3677999973297119},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3407999873161316},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.33340001106262207},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.32429999113082886},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.32359999418258667},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.29649999737739563},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.29319998621940613},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.28349998593330383},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.27300000190734863},{"id":"https://openalex.org/C2781007418","wikidata":"https://www.wikidata.org/wiki/Q1456934","display_name":"Capacity planning","level":2,"score":0.25290000438690186}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/twc.2026.3653191","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2026.3653191","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"},{"id":"pmh:oai:dr.ntu.edu.sg:10356/212547","is_oa":false,"landing_page_url":"https://hdl.handle.net/10356/212547","pdf_url":null,"source":{"id":"https://openalex.org/S4306402609","display_name":"DR-NTU (Nanyang Technological University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I172675005","host_organization_name":"Nanyang Technological University","host_organization_lineage":["https://openalex.org/I172675005"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.4590749144554138}],"awards":[{"id":"https://openalex.org/G6835203332","display_name":"Near-Field Transmission Enabled Next-Generation Wireless Networks","funder_award_id":"EP/Z003091/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"}],"funders":[{"id":"https://openalex.org/F4320334627","display_name":"Engineering and Physical Sciences Research Council","ror":"https://ror.org/0439y7842"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":40,"referenced_works":["https://openalex.org/W1972485395","https://openalex.org/W1997834106","https://openalex.org/W2106253730","https://openalex.org/W2128662532","https://openalex.org/W2139706615","https://openalex.org/W2165943096","https://openalex.org/W3090924833","https://openalex.org/W3107232831","https://openalex.org/W3120822682","https://openalex.org/W3159402647","https://openalex.org/W3160822982","https://openalex.org/W4211120851","https://openalex.org/W4300840296","https://openalex.org/W4385885073","https://openalex.org/W4387682359","https://openalex.org/W4393379997","https://openalex.org/W4400351801","https://openalex.org/W4401748262","https://openalex.org/W4402156803","https://openalex.org/W4404035448","https://openalex.org/W4404410614","https://openalex.org/W4407782736","https://openalex.org/W4408016736","https://openalex.org/W4408145549","https://openalex.org/W4408934948","https://openalex.org/W4409795835","https://openalex.org/W4409991358","https://openalex.org/W4410219630","https://openalex.org/W4410809613","https://openalex.org/W4410887673","https://openalex.org/W4411270276","https://openalex.org/W4412939855","https://openalex.org/W4414406144","https://openalex.org/W4414988680","https://openalex.org/W4415124218","https://openalex.org/W4415159189","https://openalex.org/W4415707055","https://openalex.org/W4415955372","https://openalex.org/W4416748569","https://openalex.org/W4417282092"],"related_works":[],"abstract_inverted_index":{"Unlike":[0],"conventional":[1,106,233],"systems":[2],"using":[3,135,156,183],"a":[4,34,226],"fixed-location":[5],"antenna,":[6],"the":[7,11,18,27,51,59,67,74,79,98,111,116,122,130,144,157,162,180,184,192,195,206,214,219,239,249],"channel":[8,53,250],"capacity":[9,28,48,76,99,131,197,221,229,251],"of":[10,21,30,50,101,105,247],"pinching-antenna":[12],"system":[13],"(PASS)":[14],"is":[15,38,54,95,153,166,176,189],"determined":[16],"by":[17],"activated":[19],"positions":[20],"pinching":[22],"antennas.":[23],"This":[24],"article":[25],"characterizes":[26],"region":[29,49,77,100,114,132,152,165,230],"multiuser":[31],"PASS,":[32],"where":[33],"single":[35],"pinched":[36],"waveguide":[37],"deployed":[39],"to":[40,179,232],"enable":[41],"both":[42],"uplink":[43,52,207],"and":[44,78,89,109,126,143,198,236,243],"downlink":[45,181,196],"communications.":[46],"The":[47,148,174],"first":[55],"characterized.":[56],"i)":[57,213],"For":[58,121],"single-pinch":[60],"case,":[61,124,241],"closed-form":[62],"expressions":[63],"are":[64,133,201,245],"derived":[65,134,155,215],"for":[66],"optimal":[68],"antenna":[69,139,170],"activation":[70],"position,":[71],"along":[72],"with":[73,203],"corresponding":[75],"achievable":[80,149],"data":[81],"rate":[82,113,118,151,164,199],"regions":[83,200],"under":[84],"time-division":[85],"multiple":[86,91],"access":[87,92],"(TDMA)":[88],"frequency-division":[90],"(FDMA).":[93],"It":[94,188],"proven":[96,190],"that":[97,104,110,191],"PASS":[102,182,224],"encompasses":[103],"fixed-antenna":[107,234],"systems,":[108,235],"FDMA":[112,150,244],"contains":[115],"TDMA":[117,163,242],"region.":[119],"ii)":[120,223],"multiple-pinch":[123,240],"inner":[125],"outer":[127],"bounds":[128,216],"on":[129],"an":[136,169],"element-wise":[137],"alternating":[138],"position":[140,171],"optimization":[141,159],"technique":[142],"Cauchy-Schwarz":[145],"inequality,":[146],"respectively.":[147],"also":[154],"same":[158],"framework,":[160],"while":[161],"obtained":[167],"through":[168],"refinement":[172],"approach.":[173],"analysis":[175],"then":[177],"extended":[178],"uplink-downlink":[185],"duality":[186],"framework.":[187],"relationships":[193],"among":[194],"consistent":[202],"those":[204],"in":[205,238],"case.":[208],"Numerical":[209],"results":[210],"demonstrate":[211],"that:":[212],"closely":[217],"approximate":[218],"exact":[220],"region,":[222],"yields":[225],"significantly":[227],"enlarged":[228],"compared":[231],"iii)":[237],"capable":[246],"approaching":[248],"limit.":[252]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2026-01-21T00:00:00"}
