{"id":"https://openalex.org/W7164812049","doi":"https://doi.org/10.1109/tsp.2026.3703494","title":"Separate Channel Estimation for Transmissive RIS Based on Antenna-Side Favorable Propagation","display_name":"Separate Channel Estimation for Transmissive RIS Based on Antenna-Side Favorable Propagation","publication_year":2026,"publication_date":"2026-01-01","ids":{"openalex":"https://openalex.org/W7164812049","doi":"https://doi.org/10.1109/tsp.2026.3703494"},"language":null,"primary_location":{"id":"doi:10.1109/tsp.2026.3703494","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2026.3703494","pdf_url":null,"source":{"id":"https://openalex.org/S168680287","display_name":"IEEE Transactions on Signal Processing","issn_l":"1053-587X","issn":["1053-587X","1941-0476"],"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 Signal Processing","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/A5100406044","display_name":"Ziwei Liu","orcid":"https://orcid.org/0000-0001-6663-766X"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ziwei Liu","raw_affiliation_strings":["Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0001-6663-766X","affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5138636219","display_name":"Wen Chen","orcid":null},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wen Chen","raw_affiliation_strings":["Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0003-2133-8679","affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5121334856","display_name":"Z K Li","orcid":null},"institutions":[{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhendong Li","raw_affiliation_strings":["School of Information and Communication Engineering, Xi’an Jiaotong University, Xi’an, China"],"raw_orcid":"https://orcid.org/0000-0002-2928-193X","affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, Xi’an Jiaotong University, Xi’an, China","institution_ids":["https://openalex.org/I87445476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006689476","display_name":"Yuxuan Zeng","orcid":"https://orcid.org/0009-0005-3290-8384"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuxuan Zeng","raw_affiliation_strings":["Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5138628412","display_name":"Yanze Zhu","orcid":null},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yanze Zhu","raw_affiliation_strings":["Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":"https://orcid.org/0009-0004-4028-6207","affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5136223798","display_name":"Ying Wang","orcid":null},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ying Wang","raw_affiliation_strings":["State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-4494-6389","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.81634749,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"74","issue":null,"first_page":"2579","last_page":"2594"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.2736000120639801,"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":0.2736000120639801,"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.1914999932050705,"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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.11289999634027481,"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/channel","display_name":"Channel (broadcasting)","score":0.5961999893188477},{"id":"https://openalex.org/keywords/estimation-theory","display_name":"Estimation theory","score":0.44290000200271606},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.44179999828338623},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.4090999960899353},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.3176000118255615},{"id":"https://openalex.org/keywords/radar-tracker","display_name":"Radar tracker","score":0.31349998712539673},{"id":"https://openalex.org/keywords/wave-propagation","display_name":"Wave propagation","score":0.296099990606308},{"id":"https://openalex.org/keywords/detection-theory","display_name":"Detection theory","score":0.2777000069618225}],"concepts":[{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5961999893188477},{"id":"https://openalex.org/C167928553","wikidata":"https://www.wikidata.org/wiki/Q1376021","display_name":"Estimation theory","level":2,"score":0.44290000200271606},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.44179999828338623},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4226999878883362},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.4090999960899353},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3978999853134155},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.34540000557899475},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.3176000118255615},{"id":"https://openalex.org/C32283439","wikidata":"https://www.wikidata.org/wiki/Q1407014","display_name":"Radar tracker","level":3,"score":0.31349998712539673},{"id":"https://openalex.org/C44886760","wikidata":"https://www.wikidata.org/wiki/Q1758425","display_name":"Wave propagation","level":2,"score":0.296099990606308},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2896000146865845},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.2786000072956085},{"id":"https://openalex.org/C137270730","wikidata":"https://www.wikidata.org/wiki/Q120811","display_name":"Detection theory","level":3,"score":0.2777000069618225},{"id":"https://openalex.org/C50151734","wikidata":"https://www.wikidata.org/wiki/Q1759577","display_name":"Matched filter","level":3,"score":0.2721000015735626},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.26809999346733093},{"id":"https://openalex.org/C2986605239","wikidata":"https://www.wikidata.org/wiki/Q925667","display_name":"Numerical models","level":3,"score":0.26269999146461487},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2621999979019165},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.25780001282691956},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.2533999979496002},{"id":"https://openalex.org/C19118579","wikidata":"https://www.wikidata.org/wiki/Q786423","display_name":"Frequency domain","level":2,"score":0.2524000108242035},{"id":"https://openalex.org/C29265498","wikidata":"https://www.wikidata.org/wiki/Q7047719","display_name":"Noise measurement","level":3,"score":0.25209999084472656},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.25200000405311584},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.25119999051094055}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tsp.2026.3703494","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2026.3703494","pdf_url":null,"source":{"id":"https://openalex.org/S168680287","display_name":"IEEE Transactions on Signal Processing","issn_l":"1053-587X","issn":["1053-587X","1941-0476"],"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 Signal Processing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/13","display_name":"Climate action","score":0.8363734483718872}],"awards":[{"id":"https://openalex.org/G3007453054","display_name":null,"funder_award_id":"62531015","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6573975058","display_name":null,"funder_award_id":"U25A20399","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7974229517","display_name":null,"funder_award_id":"62401448","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"In":[0],"this":[1,221],"paper,":[2],"a":[3,36,145,159,167],"novel":[4],"three-stage":[5],"separate":[6,119],"channel":[7,47,64,75,98,130,187,224],"estimation":[8,120,161,225],"framework":[9],"is":[10,84,99,131,163,182],"proposed":[11],"for":[12,62,151,171,208,218],"transmissive":[13],"reconfigurable":[14],"intelligent":[15],"surface":[16],"(TRIS)":[17],"wireless":[18],"communication":[19,22,26],"systems.":[20],"TRIS":[21,57,246],"systems":[23,33],"achieve":[24],"multi-stream":[25],"capabilities":[27],"equivalent":[28],"to":[29,165,184,200],"traditional":[30],"large-scale":[31,152],"antenna":[32],"equipping":[34],"only":[35],"single":[37],"radio":[38],"frequency":[39],"(RF)":[40],"link,":[41],"but":[42],"face":[43],"significant":[44,60],"challenges":[45,61],"in":[46,68],"estimation.":[48],"However,":[49],"the":[50,54,73,81,96,123,128,138,142,155,172],"single-RF":[51,156],"constraint":[52],"and":[53,92,101,105,121,204,214,233,249],"passivity":[55],"of":[56,141,194],"elements":[58],"pose":[59],"high-dimensional":[63],"estimation,":[65],"often":[66],"resulting":[67],"phase":[69,125,247],"ambiguity":[70],"when":[71],"estimating":[72],"cascaded":[74],"directly.":[76],"To":[77],"address":[78],"these":[79],"issues,":[80],"designed":[82,183],"scheme":[83,162],"characterized":[85],"by":[86,136,227,231,236],"low":[87,89,134],"complexity,":[88],"storage":[90],"requirements,":[91],"high":[93],"accuracy.":[94],"First,":[95],"composite":[97],"constructed":[100],"estimated":[102],"through":[103],"uplink":[104],"downlink":[106],"pilot":[107],"transmission,":[108],"where":[109],"favorable":[110],"propagation":[111],"simplifies":[112],"signal":[113],"processing":[114],"via":[115],"dimension":[116],"reduction,":[117],"facilitating":[118],"resolving":[122],"inherent":[124],"ambiguity.":[126],"Second,":[127],"antenna-to-TRIS":[129],"acquired":[132],"with":[133],"complexity":[135],"exploiting":[137],"geometric":[139],"prior":[140,192],"TRIS,":[143],"using":[144],"limited-memory":[146],"Broyden-Fletcher-Goldfarb-Shanno":[147],"(L-BFGS)":[148],"algorithm":[149,181],"tailored":[150],"optimization":[153],"under":[154,242],"constraint.":[157],"Thirdly,":[158],"subframe":[160],"introduced":[164],"formulate":[166],"sparse":[168,186],"recovery":[169,188],"problem":[170],"TRIS-to-user":[173],"channel.":[174],"A":[175],"lookahead":[176],"orthogonal":[177],"matching":[178],"pursuit":[179],"(LAOMP)":[180],"enhance":[185],"accuracy":[189],"without":[190],"requiring":[191],"knowledge":[193],"sparsity.Simulation":[195],"results":[196],"demonstrate":[197],"that,":[198],"compared":[199],"least":[201],"absolute":[202],"shrinkage":[203],"selection":[205],"operator":[206],"(LASSO)":[207],"normalized":[209],"mean":[210],"square":[211],"error":[212],"(NMSE)":[213],"gradient":[215],"descent":[216],"(GD)":[217],"convergence":[219,229],"metrics,":[220],"approach":[222],"reduces":[223],"NMSE":[226],"42.46%,":[228],"iterations":[230],"92.73%,":[232],"computational":[234],"time":[235],"85.97%,":[237],"while":[238],"exhibiting":[239],"strong":[240],"robustness":[241],"diverse":[243],"noise":[244],"distributions,":[245],"errors,":[248],"Doppler":[250],"effects.":[251]},"counts_by_year":[],"updated_date":"2026-06-25T06:16:34.145877","created_date":"2026-06-16T00:00:00"}