{"id":"https://openalex.org/W4406948146","doi":"https://doi.org/10.1109/jsac.2025.3536556","title":"Channel Customization for Low-Complexity CSI Acquisition in Multi-RIS-Assisted MIMO Systems","display_name":"Channel Customization for Low-Complexity CSI Acquisition in Multi-RIS-Assisted MIMO Systems","publication_year":2025,"publication_date":"2025-01-29","ids":{"openalex":"https://openalex.org/W4406948146","doi":"https://doi.org/10.1109/jsac.2025.3536556"},"language":"en","primary_location":{"id":"doi:10.1109/jsac.2025.3536556","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsac.2025.3536556","pdf_url":null,"source":{"id":"https://openalex.org/S90422530","display_name":"IEEE Journal on Selected Areas in Communications","issn_l":"0733-8716","issn":["0733-8716","1558-0008"],"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 Journal on Selected Areas in 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/A5062528157","display_name":"Weicong Chen","orcid":"https://orcid.org/0000-0003-0001-0906"},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weicong Chen","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","National Mobile Communications Research Laboratory, Southeast University, Nanjing, P. R. China"],"raw_orcid":"https://orcid.org/0000-0003-0001-0906","affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]},{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, P. R. China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100688274","display_name":"Yu Han","orcid":"https://orcid.org/0000-0002-3791-6050"},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yu Han","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","National Mobile Communications Research Laboratory, Southeast University, Nanjing, P. R. China"],"raw_orcid":"https://orcid.org/0000-0002-3791-6050","affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]},{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, P. R. China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024436944","display_name":"Chao-Kai Wen","orcid":"https://orcid.org/0000-0001-5952-232X"},"institutions":[{"id":"https://openalex.org/I142974352","display_name":"National Sun Yat-sen University","ror":"https://ror.org/00mjawt10","country_code":"TW","type":"education","lineage":["https://openalex.org/I142974352"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Chao-Kai Wen","raw_affiliation_strings":["Institute of Communications Engineering, National Sun Yat-sen University, Kaohsiung, Taiwan"],"raw_orcid":"https://orcid.org/0000-0001-5952-232X","affiliations":[{"raw_affiliation_string":"Institute of Communications Engineering, National Sun Yat-sen University, Kaohsiung, Taiwan","institution_ids":["https://openalex.org/I142974352"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100375264","display_name":"Xiao Li","orcid":"https://orcid.org/0000-0001-9660-9053"},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiao Li","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","National Mobile Communications Research Laboratory, Southeast University, Nanjing, P. R. China"],"raw_orcid":"https://orcid.org/0000-0001-9660-9053","affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]},{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, P. R. China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5013079905","display_name":"Shi Jin","orcid":"https://orcid.org/0000-0003-0271-6021"},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shi Jin","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","National Mobile Communications Research Laboratory, Southeast University, Nanjing, P. R. China"],"raw_orcid":"https://orcid.org/0000-0003-0271-6021","affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]},{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, P. R. China","institution_ids":["https://openalex.org/I76569877"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.3132,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.87354462,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":98},"biblio":{"volume":"43","issue":"3","first_page":"851","last_page":"866"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9921000003814697,"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9921000003814697,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9815000295639038,"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/T10187","display_name":"Radio Frequency Integrated Circuit Design","score":0.9749000072479248,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8190881013870239},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6999194622039795},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.47810524702072144},{"id":"https://openalex.org/keywords/computer-architecture","display_name":"Computer architecture","score":0.4393618404865265},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.39106684923171997},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3569340109825134},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.333085298538208}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8190881013870239},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6999194622039795},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.47810524702072144},{"id":"https://openalex.org/C118524514","wikidata":"https://www.wikidata.org/wiki/Q173212","display_name":"Computer architecture","level":1,"score":0.4393618404865265},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.39106684923171997},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3569340109825134},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.333085298538208},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jsac.2025.3536556","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsac.2025.3536556","pdf_url":null,"source":{"id":"https://openalex.org/S90422530","display_name":"IEEE Journal on Selected Areas in Communications","issn_l":"0733-8716","issn":["0733-8716","1558-0008"],"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 Journal on Selected Areas in Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1003364742","display_name":null,"funder_award_id":"62261160576","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G1348038546","display_name":null,"funder_award_id":"MOST 111-2221-E-110-020-MY3","funder_id":"https://openalex.org/F2461203286","funder_display_name":"National Science and Technology Council"},{"id":"https://openalex.org/G2984192591","display_name":null,"funder_award_id":"62422105","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G342761634","display_name":null,"funder_award_id":"62231009","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3748166011","display_name":null,"funder_award_id":"62401137","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5426898190","display_name":null,"funder_award_id":"2242023K5003","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G625642944","display_name":null,"funder_award_id":"BK20241281","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"}],"funders":[{"id":"https://openalex.org/F2461203286","display_name":"National Science and Technology Council","ror":"https://ror.org/02kv4zf79"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320322769","display_name":"Natural Science Foundation of Jiangsu Province","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":40,"referenced_works":["https://openalex.org/W2082432933","https://openalex.org/W2139961842","https://openalex.org/W2163363194","https://openalex.org/W2170422354","https://openalex.org/W2623112027","https://openalex.org/W2946889564","https://openalex.org/W2950077417","https://openalex.org/W2963121727","https://openalex.org/W3000577820","https://openalex.org/W3005072086","https://openalex.org/W3034448035","https://openalex.org/W3035088654","https://openalex.org/W3039402952","https://openalex.org/W3094619726","https://openalex.org/W3096401097","https://openalex.org/W3134399128","https://openalex.org/W3144244478","https://openalex.org/W3176457495","https://openalex.org/W3199941339","https://openalex.org/W3200552377","https://openalex.org/W3202938391","https://openalex.org/W3202943682","https://openalex.org/W3208789649","https://openalex.org/W3214276595","https://openalex.org/W4205533812","https://openalex.org/W4206080021","https://openalex.org/W4214923099","https://openalex.org/W4226127627","https://openalex.org/W4229003827","https://openalex.org/W4230959423","https://openalex.org/W4285107205","https://openalex.org/W4285123404","https://openalex.org/W4312712453","https://openalex.org/W4312750743","https://openalex.org/W4319993287","https://openalex.org/W4324125784","https://openalex.org/W4381785912","https://openalex.org/W4389105125","https://openalex.org/W4391677760","https://openalex.org/W6796900758"],"related_works":["https://openalex.org/W2545343974","https://openalex.org/W4291895924","https://openalex.org/W1783583321","https://openalex.org/W2038397443","https://openalex.org/W2941374357","https://openalex.org/W2112785353","https://openalex.org/W2026727497","https://openalex.org/W2164866798","https://openalex.org/W1976502299","https://openalex.org/W4214657533"],"abstract_inverted_index":{"The":[0,83],"deployment":[1],"of":[2,70,80,111,156,168],"multiple":[3],"reconfigurable":[4],"intelligent":[5],"surfaces":[6],"(RISs)":[7],"enhances":[8],"the":[9,23,67,71,76,108,131,154,169,192,199,206],"propagation":[10,94],"environment":[11],"by":[12,38],"improving":[13],"channel":[14,20,32,106,112,201],"quality,":[15],"but":[16],"it":[17],"also":[18],"complicates":[19],"estimation.":[21],"Following":[22],"conventional":[24],"wireless":[25],"communication":[26,173],"system":[27],"design,":[28],"which":[29],"involves":[30],"full":[31],"state":[33],"information":[34],"(CSI)":[35],"acquisition":[36,62,133,184],"followed":[37],"RIS":[39,64,72,103,157],"configuration,":[40,65],"can":[41],"reduce":[42,74],"transmission":[43],"efficiency":[44],"due":[45],"to":[46,73,159,196],"substantial":[47],"pilot":[48,187],"overhead":[49,77],"and":[50,63,78,92,138],"computational":[51],"complexity.":[52,143],"This":[53],"study":[54],"introduces":[55],"an":[56],"innovative":[57],"approach":[58],"that":[59],"integrates":[60],"CSI":[61,81,132,183],"leveraging":[66],"channel-altering":[68],"capabilities":[69],"both":[75,90,136],"complexity":[79],"acquisition.":[82],"focus":[84],"is":[85,114],"on":[86,205],"multi-RIS-assisted":[87],"systems,":[88],"featuring":[89],"direct":[91],"reflected":[93],"paths.":[95],"By":[96],"applying":[97],"a":[98,147,161],"fast-varying":[99,121],"reflection":[100,163,179,200],"sequence":[101],"during":[102],"configuration":[104],"for":[105,135],"training,":[107],"complex":[109],"problem":[110],"estimation":[113],"decomposed":[115],"into":[116],"simpler,":[117],"independent":[118],"tasks.":[119],"These":[120],"reflections":[122],"effectively":[123],"isolate":[124],"transmit":[125],"signals":[126],"from":[127,175],"different":[128],"paths,":[129],"streamlining":[130],"process":[134],"uplink":[137,145,170],"downlink":[139],"communications":[140],"with":[141,185,202],"reduced":[142],"In":[144],"scenarios,":[146],"positioning-based":[148],"algorithm":[149],"derives":[150],"partial":[151],"CSI,":[152],"informing":[153],"adjustment":[155],"parameters":[158],"create":[160],"sparse":[162],"channel,":[164,180],"enabling":[165],"precise":[166],"reconstruction":[167],"channel.":[171],"Downlink":[172],"benefits":[174],"this":[176],"strategically":[177],"tailored":[178],"allowing":[181],"effective":[182],"fewer":[186],"signals.":[188],"Simulation":[189],"results":[190],"highlight":[191],"proposed":[193],"methodology\u2019s":[194],"ability":[195],"accurately":[197],"reconstruct":[198],"minimal":[203],"impact":[204],"normalized":[207],"mean":[208],"square":[209],"error":[210],"while":[211],"simultaneously":[212],"enhancing":[213],"spectral":[214],"efficiency.":[215]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":3}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}