{"id":"https://openalex.org/W4412836768","doi":"https://doi.org/10.1109/twc.2025.3592787","title":"Amplitude Correlation and Structured Sparsity Inspired Compressed Sensing for Channel Estimation in RIS-Aided MU-MISO Systems","display_name":"Amplitude Correlation and Structured Sparsity Inspired Compressed Sensing for Channel Estimation in RIS-Aided MU-MISO Systems","publication_year":2025,"publication_date":"2025-08-01","ids":{"openalex":"https://openalex.org/W4412836768","doi":"https://doi.org/10.1109/twc.2025.3592787"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2025.3592787","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2025.3592787","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/A5043577466","display_name":"Weijie Jin","orcid":"https://orcid.org/0000-0002-5546-6196"},"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":"Weijie Jin","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Southeast University, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0002-5546-6196","affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005367960","display_name":"Jing Zhang","orcid":"https://orcid.org/0000-0002-7278-6546"},"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":"Jing Zhang","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Southeast University, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0002-7278-6546","affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, 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":"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"],"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"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.4628,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.88028528,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":97},"biblio":{"volume":"25","issue":null,"first_page":"1751","last_page":"1766"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9944999814033508,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9944999814033508,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T11447","display_name":"Blind Source Separation Techniques","score":0.9711999893188477,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T10369","display_name":"Advanced MEMS and NEMS Technologies","score":0.9628000259399414,"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/compressed-sensing","display_name":"Compressed sensing","score":0.8436517119407654},{"id":"https://openalex.org/keywords/amplitude","display_name":"Amplitude","score":0.6607720255851746},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.546178936958313},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5220285058021545},{"id":"https://openalex.org/keywords/correlation","display_name":"Correlation","score":0.5063952207565308},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.39206334948539734},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.29396986961364746},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.27388209104537964},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.19305986166000366},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.10317721962928772}],"concepts":[{"id":"https://openalex.org/C124851039","wikidata":"https://www.wikidata.org/wiki/Q2665459","display_name":"Compressed sensing","level":2,"score":0.8436517119407654},{"id":"https://openalex.org/C180205008","wikidata":"https://www.wikidata.org/wiki/Q159190","display_name":"Amplitude","level":2,"score":0.6607720255851746},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.546178936958313},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5220285058021545},{"id":"https://openalex.org/C117220453","wikidata":"https://www.wikidata.org/wiki/Q5172842","display_name":"Correlation","level":2,"score":0.5063952207565308},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.39206334948539734},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.29396986961364746},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.27388209104537964},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.19305986166000366},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.10317721962928772},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/twc.2025.3592787","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2025.3592787","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":[{"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/G3363585228","display_name":null,"funder_award_id":"BE2023022","funder_id":"https://openalex.org/F4320335956","funder_display_name":"Key Technologies Research and Development Program of Guangzhou"},{"id":"https://openalex.org/G6637948455","display_name":null,"funder_award_id":"62301154","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7101942999","display_name":null,"funder_award_id":"BE2023022-1","funder_id":"https://openalex.org/F4320335956","funder_display_name":"Key Technologies Research and Development Program of Guangzhou"}],"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/F4320335956","display_name":"Key Technologies Research and Development Program of Guangzhou","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":34,"referenced_works":["https://openalex.org/W2096710051","https://openalex.org/W2107861471","https://openalex.org/W2113638573","https://openalex.org/W2937693915","https://openalex.org/W2950077417","https://openalex.org/W2968810373","https://openalex.org/W2978330116","https://openalex.org/W2985466239","https://openalex.org/W3005476696","https://openalex.org/W3011747750","https://openalex.org/W3021564798","https://openalex.org/W3039402952","https://openalex.org/W3127614346","https://openalex.org/W3130503957","https://openalex.org/W3133878048","https://openalex.org/W3197850413","https://openalex.org/W3204184545","https://openalex.org/W3212260081","https://openalex.org/W4226061238","https://openalex.org/W4285230690","https://openalex.org/W4287887619","https://openalex.org/W4312915180","https://openalex.org/W4321770460","https://openalex.org/W4360931020","https://openalex.org/W4381785948","https://openalex.org/W4387870954","https://openalex.org/W4389331899","https://openalex.org/W4389747850","https://openalex.org/W4393027163","https://openalex.org/W4401069585","https://openalex.org/W4402157174","https://openalex.org/W4402626818","https://openalex.org/W4404057540","https://openalex.org/W4406259547"],"related_works":["https://openalex.org/W2158224665","https://openalex.org/W2051487156","https://openalex.org/W2379589510","https://openalex.org/W4300044672","https://openalex.org/W1881631164","https://openalex.org/W2073681303","https://openalex.org/W2810730439","https://openalex.org/W1976264255","https://openalex.org/W2358292267","https://openalex.org/W2378166785"],"abstract_inverted_index":{"Reconfigurable":[0],"intelligent":[1],"surfaces":[2],"(RISs)":[3],"enhance":[4,117],"communication":[5],"performance":[6,174],"by":[7,99,137],"adjusting":[8],"the":[9,20,37,49,52,79,92,101,114,121,134,167],"propagation":[10],"directions":[11],"of":[12,22,39,51,81,123],"incident":[13],"signals.":[14],"However,":[15],"joint":[16],"beamforming":[17],"design":[18],"requires":[19],"acquisition":[21],"channel":[23,54,75,87,97,104,135,156],"state":[24],"information,":[25],"often":[26],"leading":[27],"to":[28,95,116,132,143,154],"significant":[29],"pilot":[30],"overhead":[31],"in":[32,85,148],"RIS-assisted":[33],"systems,":[34],"particularly":[35],"when":[36],"number":[38],"reflective":[40],"elements":[41],"is":[42],"large.":[43],"In":[44],"this":[45],"study,":[46],"we":[47,70,112],"analyze":[48],"characteristics":[50,84],"cascaded":[53,86],"and":[55,108,185],"propose":[56],"a":[57,129,144,172],"method":[58],"that":[59,159,179],"combines":[60],"amplitude":[61,183],"correlation":[62,184],"with":[63,120,164],"existing":[64],"structured":[65,161,186],"sparsity.":[66,162,187],"Leveraging":[67],"these":[68],"characteristics,":[69],"first":[71],"derive":[72],"an":[73],"on-grid":[74],"estimation":[76,98,118,157],"method,":[77],"demonstrating":[78],"effectiveness":[80],"incorporating":[82],"additional":[83],"estimation.":[88],"We":[89],"then":[90],"extend":[91],"proposed":[93,168],"algorithm":[94,115,169],"off-grid":[96],"refining":[100],"coarsely":[102],"estimated":[103],"using":[105],"alternating":[106],"optimization":[107],"gradient":[109],"descent.":[110],"Furthermore,":[111],"adapt":[113],"accuracy":[119],"support":[122],"digital":[124],"twin":[125],"(DT)":[126],"technology,":[127],"utilizing":[128],"few":[130],"pilots":[131],"refine":[133],"generated":[136],"DT.":[138],"Simulation":[139],"results":[140],"show":[141],"up":[142],"5":[145],"dB":[146],"improvement":[147,175],"normalized":[149],"mean":[150],"squared":[151],"error":[152],"compared":[153],"state-of-the-art":[155],"algorithms":[158,178],"employ":[160],"Additionally,":[163],"DT":[165],"assistance,":[166],"achieves":[170],"nearly":[171],"two-fold":[173],"over":[176],"traditional":[177],"do":[180],"not":[181],"incorporate":[182]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}