{"id":"https://openalex.org/W4415159140","doi":"https://doi.org/10.1109/tvt.2025.3620379","title":"IRS Assignment and Power Control for Uplink Distributed IRS-Assisted NOMA Systems","display_name":"IRS Assignment and Power Control for Uplink Distributed IRS-Assisted NOMA Systems","publication_year":2025,"publication_date":"2025-10-14","ids":{"openalex":"https://openalex.org/W4415159140","doi":"https://doi.org/10.1109/tvt.2025.3620379"},"language":"en","primary_location":{"id":"doi:10.1109/tvt.2025.3620379","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2025.3620379","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"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 Vehicular Technology","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/A5052614752","display_name":"Weijia Lei","orcid":"https://orcid.org/0000-0002-1193-6133"},"institutions":[{"id":"https://openalex.org/I10535382","display_name":"Chongqing University of Posts and Telecommunications","ror":"https://ror.org/03dgaqz26","country_code":"CN","type":"education","lineage":["https://openalex.org/I10535382"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weijia Lei","raw_affiliation_strings":["School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China"],"raw_orcid":"https://orcid.org/0000-0002-1193-6133","affiliations":[{"raw_affiliation_string":"School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China","institution_ids":["https://openalex.org/I10535382"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Yueyue Chen","orcid":"https://orcid.org/0009-0008-5229-9565"},"institutions":[{"id":"https://openalex.org/I10535382","display_name":"Chongqing University of Posts and Telecommunications","ror":"https://ror.org/03dgaqz26","country_code":"CN","type":"education","lineage":["https://openalex.org/I10535382"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yueyue Chen","raw_affiliation_strings":["School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China"],"raw_orcid":"https://orcid.org/0009-0008-5229-9565","affiliations":[{"raw_affiliation_string":"School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China","institution_ids":["https://openalex.org/I10535382"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Shunhong Yu","orcid":"https://orcid.org/0009-0002-8621-1089"},"institutions":[{"id":"https://openalex.org/I10535382","display_name":"Chongqing University of Posts and Telecommunications","ror":"https://ror.org/03dgaqz26","country_code":"CN","type":"education","lineage":["https://openalex.org/I10535382"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shunhong Yu","raw_affiliation_strings":["School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China"],"raw_orcid":"https://orcid.org/0009-0002-8621-1089","affiliations":[{"raw_affiliation_string":"School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China","institution_ids":["https://openalex.org/I10535382"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089097753","display_name":"Hong Tang","orcid":"https://orcid.org/0000-0001-9142-376X"},"institutions":[{"id":"https://openalex.org/I10535382","display_name":"Chongqing University of Posts and Telecommunications","ror":"https://ror.org/03dgaqz26","country_code":"CN","type":"education","lineage":["https://openalex.org/I10535382"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hong Tang","raw_affiliation_strings":["School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China"],"raw_orcid":"https://orcid.org/0000-0001-9142-376X","affiliations":[{"raw_affiliation_string":"School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China","institution_ids":["https://openalex.org/I10535382"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5073756161","display_name":"Hongjiang Lei","orcid":"https://orcid.org/0000-0002-9070-6300"},"institutions":[{"id":"https://openalex.org/I10535382","display_name":"Chongqing University of Posts and Telecommunications","ror":"https://ror.org/03dgaqz26","country_code":"CN","type":"education","lineage":["https://openalex.org/I10535382"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hongjiang Lei","raw_affiliation_strings":["School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China"],"raw_orcid":"https://orcid.org/0000-0002-9070-6300","affiliations":[{"raw_affiliation_string":"School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China","institution_ids":["https://openalex.org/I10535382"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I10535382"],"apc_list":null,"apc_paid":null,"fwci":0.6123,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.67054477,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":97},"biblio":{"volume":"75","issue":"4","first_page":"6099","last_page":"6111"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9980000257492065,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9980000257492065,"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/T10851","display_name":"Optical Wireless Communication Technologies","score":0.9805999994277954,"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/T12042","display_name":"Satellite Communication Systems","score":0.9732999801635742,"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":0.7856000065803528},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.732200026512146},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5981000065803528},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.5748000144958496},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.5627999901771545},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.5011000037193298},{"id":"https://openalex.org/keywords/power-control","display_name":"Power control","score":0.4794999957084656},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.4544000029563904}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.7856000065803528},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.732200026512146},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5981000065803528},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.5748000144958496},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.5627999901771545},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5383999943733215},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.5011000037193298},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4934999942779541},{"id":"https://openalex.org/C56685638","wikidata":"https://www.wikidata.org/wiki/Q2300474","display_name":"Power control","level":3,"score":0.4794999957084656},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.4544000029563904},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.43799999356269836},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.4223000109195709},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.40529999136924744},{"id":"https://openalex.org/C2775918612","wikidata":"https://www.wikidata.org/wiki/Q994794","display_name":"Noma","level":3,"score":0.40459999442100525},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3840999901294708},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3529999852180481},{"id":"https://openalex.org/C168292644","wikidata":"https://www.wikidata.org/wiki/Q10860336","display_name":"Power optimization","level":4,"score":0.32019999623298645},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3003999888896942},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.2948000133037567},{"id":"https://openalex.org/C114237682","wikidata":"https://www.wikidata.org/wiki/Q5072483","display_name":"Channel allocation schemes","level":3,"score":0.29159998893737793},{"id":"https://openalex.org/C157607044","wikidata":"https://www.wikidata.org/wiki/Q5165851","display_name":"Control channel","level":3,"score":0.27070000767707825},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.26660001277923584},{"id":"https://openalex.org/C2778915421","wikidata":"https://www.wikidata.org/wiki/Q3643177","display_name":"Performance improvement","level":2,"score":0.25589999556541443}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tvt.2025.3620379","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2025.3620379","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"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 Vehicular Technology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3386190259","display_name":null,"funder_award_id":"CSTB2025NSCQLZX0053","funder_id":"https://openalex.org/F4320323172","funder_display_name":"Natural Science Foundation of Chongqing"}],"funders":[{"id":"https://openalex.org/F4320323172","display_name":"Natural Science Foundation of Chongqing","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":26,"referenced_works":["https://openalex.org/W2802495557","https://openalex.org/W2937693915","https://openalex.org/W2969424089","https://openalex.org/W2972294354","https://openalex.org/W2981096252","https://openalex.org/W3020513938","https://openalex.org/W3027118737","https://openalex.org/W3034004855","https://openalex.org/W3034094044","https://openalex.org/W3039402952","https://openalex.org/W3048745140","https://openalex.org/W3081215475","https://openalex.org/W3120094264","https://openalex.org/W3128954508","https://openalex.org/W3129486236","https://openalex.org/W3190594379","https://openalex.org/W4285169037","https://openalex.org/W4288391473","https://openalex.org/W4290996285","https://openalex.org/W4377079797","https://openalex.org/W4392667102","https://openalex.org/W4393028124","https://openalex.org/W4393241097","https://openalex.org/W4394862981","https://openalex.org/W4399518847","https://openalex.org/W4400188547"],"related_works":[],"abstract_inverted_index":{"This":[0],"paper":[1],"investigates":[2],"the":[3,21,28,31,49,57,67,95,98,122,136,145,148,159,163,167,170,176,179,190,200,204,216,219,227,231,235,245],"optimization":[4,115,194],"for":[5,39],"an":[6,35],"uplink":[7],"non-orthogonal":[8],"multiple":[9,15],"access":[10],"(NOMA)":[11],"system":[12,29],"assisted":[13],"by":[14,127,241],"intelligent":[16],"reflective":[17,50,90,102,171],"surfaces":[18],"(IRSs).":[19],"Considering":[20],"impact":[22],"of":[23,34,48,66,97,121,169,203,218,226,234],"channel":[24,58],"estimation":[25,59,149],"overhead":[26,60],"on":[27],"performance,":[30],"shift":[32],"phases":[33],"IRS":[36,108,181,198],"are":[37,92,117],"optimized":[38],"only":[40,45],"one":[41],"user,":[42],"so":[43],"that":[44,133,215,225],"a":[46,155],"part":[47],"channels":[51,68,91],"need":[52],"to":[53,69,135,144,175,250],"be":[54,70],"estimated":[55,71],"and":[56,101,111,162,243],"is":[61,125,207,222],"significantly":[62],"reduced.":[63],"The":[64,107,119,129,210],"number":[65,96,168],"in":[72,147,158],"our":[73,151],"proposed":[74,123,152,205],"scheme":[75,124,139,153,177,191,206],"is$L":[76],"\\times":[77,83,85],"N":[78,86],"+":[79,87],"K$while":[80],"it":[81],"is$K":[82],"L":[84],"K$if":[88],"all":[89],"estimated,":[93],"where$K$,$L$and$N$are":[94],"users,":[99],"IRSs,":[100],"elements":[103,172],"per":[104],"IRS,":[105],"respectively.":[106],"assignment":[109,182],"algorithm":[110],"two":[112],"transmit":[113,186],"power":[114,187,193],"algorithms":[116],"presented.":[118],"performance":[120,217],"verified":[126],"simulation.":[128],"simulation":[130,211],"results":[131,212],"show":[132,214],"compared":[134],"globally-optimized":[137],"distributed-IRS":[138,220],"or":[140,189],"centralized-IRS":[141,228],"scheme,":[142,229],"thanks":[143],"reduction":[146],"overhead,":[150],"has":[154],"significant":[156],"advantage":[157,164],"transmission":[160,201],"rate":[161,202],"increases":[165],"as":[166],"increases.":[173],"Compared":[174],"with":[178,192,196],"same":[180],"policy":[183],"but":[184,195],"without":[185],"optimization,":[188],"random":[197],"assignment,":[199],"always":[208],"higher.":[209],"also":[213],"schemes":[221],"better":[223],"than":[224],"because":[230],"decentralized":[232],"placement":[233],"IRSs":[236],"mitigates":[237],"shadow":[238],"fading":[239],"caused":[240],"obstacles":[242],"shortens":[244],"distance":[246],"from":[247],"each":[248],"user":[249],"its":[251],"associated":[252],"IRS.":[253]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1}],"updated_date":"2026-08-01T09:00:35.917206","created_date":"2025-10-14T00:00:00"}