{"id":"https://openalex.org/W4415124283","doi":"https://doi.org/10.1109/tcomm.2025.3621055","title":"Personalized RIS for Tagging Users: Parallel Communications Based on Blind One-Shot Channel and Delay Estimation","display_name":"Personalized RIS for Tagging Users: Parallel Communications Based on Blind One-Shot Channel and Delay Estimation","publication_year":2025,"publication_date":"2025-10-13","ids":{"openalex":"https://openalex.org/W4415124283","doi":"https://doi.org/10.1109/tcomm.2025.3621055"},"language":"en","primary_location":{"id":"doi:10.1109/tcomm.2025.3621055","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2025.3621055","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 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/A5009054401","display_name":"Weiping Luo","orcid":"https://orcid.org/0000-0002-6041-4366"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Weiran Luo","raw_affiliation_strings":["School of Electronics and Communication Engineering, Sun Yat-sen University, Shenzhen, China"],"affiliations":[{"raw_affiliation_string":"School of Electronics and Communication Engineering, Sun Yat-sen University, Shenzhen, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5009602298","display_name":"Xiaoxia Huang","orcid":"https://orcid.org/0000-0001-7092-2041"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaoxia Huang","raw_affiliation_strings":["School of Electronics and Communication Engineering, Sun Yat-sen University, Shenzhen, China"],"affiliations":[{"raw_affiliation_string":"School of Electronics and Communication Engineering, Sun Yat-sen University, Shenzhen, China","institution_ids":["https://openalex.org/I157773358"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5009054401"],"corresponding_institution_ids":["https://openalex.org/I157773358"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.34641261,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"74","issue":null,"first_page":"723","last_page":"737"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":0.995199978351593,"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"}},"topics":[{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":0.995199978351593,"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/T10901","display_name":"Advanced Data Compression Techniques","score":0.9818999767303467,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T11269","display_name":"Algorithms and Data Compression","score":0.9311000108718872,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.7167999744415283},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.6462000012397766},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.5515999794006348},{"id":"https://openalex.org/keywords/maximization","display_name":"Maximization","score":0.5038999915122986},{"id":"https://openalex.org/keywords/phase","display_name":"Phase (matter)","score":0.40779998898506165},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.3634999990463257},{"id":"https://openalex.org/keywords/multi-user","display_name":"Multi-user","score":0.36309999227523804},{"id":"https://openalex.org/keywords/group-delay-and-phase-delay","display_name":"Group delay and phase delay","score":0.3422999978065491},{"id":"https://openalex.org/keywords/scalar","display_name":"Scalar (mathematics)","score":0.33980000019073486},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.3325999975204468}],"concepts":[{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.7167999744415283},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6764000058174133},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.6462000012397766},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.5515999794006348},{"id":"https://openalex.org/C2776330181","wikidata":"https://www.wikidata.org/wiki/Q18358244","display_name":"Maximization","level":2,"score":0.5038999915122986},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.46230000257492065},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4535999894142151},{"id":"https://openalex.org/C44280652","wikidata":"https://www.wikidata.org/wiki/Q104837","display_name":"Phase (matter)","level":2,"score":0.40779998898506165},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3874000012874603},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.3634999990463257},{"id":"https://openalex.org/C2778002699","wikidata":"https://www.wikidata.org/wiki/Q876057","display_name":"Multi-user","level":2,"score":0.36309999227523804},{"id":"https://openalex.org/C123792056","wikidata":"https://www.wikidata.org/wiki/Q365988","display_name":"Group delay and phase delay","level":3,"score":0.3422999978065491},{"id":"https://openalex.org/C57691317","wikidata":"https://www.wikidata.org/wiki/Q1289248","display_name":"Scalar (mathematics)","level":2,"score":0.33980000019073486},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.3325999975204468},{"id":"https://openalex.org/C21200559","wikidata":"https://www.wikidata.org/wiki/Q7451068","display_name":"Sensitivity (control systems)","level":2,"score":0.32120001316070557},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.32010000944137573},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.31779998540878296},{"id":"https://openalex.org/C152139883","wikidata":"https://www.wikidata.org/wiki/Q252973","display_name":"Mutual information","level":2,"score":0.31290000677108765},{"id":"https://openalex.org/C167928553","wikidata":"https://www.wikidata.org/wiki/Q1376021","display_name":"Estimation theory","level":2,"score":0.3089999854564667},{"id":"https://openalex.org/C343090","wikidata":"https://www.wikidata.org/wiki/Q5165504","display_name":"Continuous phase modulation","level":2,"score":0.3068999946117401},{"id":"https://openalex.org/C2778112365","wikidata":"https://www.wikidata.org/wiki/Q3511065","display_name":"Sequence (biology)","level":2,"score":0.30399999022483826},{"id":"https://openalex.org/C2780522230","wikidata":"https://www.wikidata.org/wiki/Q1140419","display_name":"Ambiguity","level":2,"score":0.29840001463890076},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.2897999882698059},{"id":"https://openalex.org/C101765175","wikidata":"https://www.wikidata.org/wiki/Q577764","display_name":"Communications system","level":2,"score":0.2851000130176544},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.2849000096321106},{"id":"https://openalex.org/C19118579","wikidata":"https://www.wikidata.org/wiki/Q786423","display_name":"Frequency domain","level":2,"score":0.2847999930381775},{"id":"https://openalex.org/C2777076873","wikidata":"https://www.wikidata.org/wiki/Q2291875","display_name":"Virtual channel","level":3,"score":0.27810001373291016},{"id":"https://openalex.org/C137270730","wikidata":"https://www.wikidata.org/wiki/Q120811","display_name":"Detection theory","level":3,"score":0.27799999713897705},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.27559998631477356},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.2734000086784363},{"id":"https://openalex.org/C48103436","wikidata":"https://www.wikidata.org/wiki/Q599031","display_name":"State (computer science)","level":2,"score":0.26919999718666077},{"id":"https://openalex.org/C46244369","wikidata":"https://www.wikidata.org/wiki/Q193709","display_name":"Rayleigh scattering","level":2,"score":0.2621000111103058},{"id":"https://openalex.org/C2778158742","wikidata":"https://www.wikidata.org/wiki/Q1665115","display_name":"Rayleigh quotient","level":3,"score":0.25360000133514404},{"id":"https://openalex.org/C56985126","wikidata":"https://www.wikidata.org/wiki/Q854039","display_name":"Rayleigh fading","level":4,"score":0.25200000405311584}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcomm.2025.3621055","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2025.3621055","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1850594858","display_name":null,"funder_award_id":"U22A2003","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3456457101","display_name":null,"funder_award_id":"62271515","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":61,"referenced_works":["https://openalex.org/W401986301","https://openalex.org/W1997834106","https://openalex.org/W2032572592","https://openalex.org/W2041756079","https://openalex.org/W2066530892","https://openalex.org/W2109520672","https://openalex.org/W2130134073","https://openalex.org/W2166239636","https://openalex.org/W2495264776","https://openalex.org/W2798481865","https://openalex.org/W2971912794","https://openalex.org/W2997665500","https://openalex.org/W3002512653","https://openalex.org/W3005347223","https://openalex.org/W3011747750","https://openalex.org/W3013168336","https://openalex.org/W3043220753","https://openalex.org/W3080375276","https://openalex.org/W3094428664","https://openalex.org/W3100368766","https://openalex.org/W3112713360","https://openalex.org/W3134746776","https://openalex.org/W3158853690","https://openalex.org/W3159402647","https://openalex.org/W3176295105","https://openalex.org/W3180206688","https://openalex.org/W3190277775","https://openalex.org/W3193247573","https://openalex.org/W3199600199","https://openalex.org/W3200913625","https://openalex.org/W3202171165","https://openalex.org/W3213926912","https://openalex.org/W4206696670","https://openalex.org/W4242781462","https://openalex.org/W4285125826","https://openalex.org/W4285414191","https://openalex.org/W4286377423","https://openalex.org/W4312258136","https://openalex.org/W4312573917","https://openalex.org/W4312812339","https://openalex.org/W4312880298","https://openalex.org/W4312982454","https://openalex.org/W4317038526","https://openalex.org/W4320009823","https://openalex.org/W4321021026","https://openalex.org/W4321770460","https://openalex.org/W4361801433","https://openalex.org/W4376480543","https://openalex.org/W4380520418","https://openalex.org/W4386263992","https://openalex.org/W4386264105","https://openalex.org/W4386699396","https://openalex.org/W4391547712","https://openalex.org/W4392114339","https://openalex.org/W4394939024","https://openalex.org/W4399311081","https://openalex.org/W4401875371","https://openalex.org/W4402769215","https://openalex.org/W4402835776","https://openalex.org/W4404955309","https://openalex.org/W4407843666"],"related_works":[],"abstract_inverted_index":{"When":[0],"the":[1,63,76,80,91,96,102,110,114,118,122,128,141,172,176,197,200,206,210,221,227,232],"phase":[2,93,125,164,177],"shift":[3,94,126,178],"variation":[4],"of":[5,95,117,124,130,199,209,220,231],"a":[6,13,17,23,33,47,59,67,137,147,185],"reconfigurable":[7],"intelligent":[8],"surface":[9],"(RIS)":[10],"transitions":[11],"from":[12],"quasi-static":[14,92],"pattern":[15],"to":[16,26,57,100,140,156,226],"rapidly":[18],"changing":[19],"pattern,":[20],"it":[21],"engenders":[22],"novel":[24,34],"capability":[25],"support":[27],"concurrent":[28],"communications.":[29],"This":[30],"paper":[31],"proposes":[32],"grouped":[35],"RIS-enabled":[36,211],"multi-user":[37],"parallel":[38,212],"communication":[39],"framework,":[40],"where":[41],"each":[42],"RIS":[43,64,97],"group":[44,65],"is":[45,83,98,214],"assigned":[46],"specified":[48,77],"spread":[49],"spectrum":[50],"(SS)":[51],"sequence,":[52,79],"e.g.,":[53],"Zadoff-Chu":[54],"(ZC)":[55],"code,":[56],"tag":[58],"distinct":[60],"user.":[61],"Although":[62],"establishes":[66],"customized":[68],"virtual":[69],"channel":[70,131,142,202],"for":[71],"its":[72],"served":[73],"user":[74],"through":[75],"SS":[78,119,228],"received":[81],"signal":[82,104],"still":[84],"contaminated":[85],"by":[86],"other":[87],"users\u2019":[88],"signals.":[89],"Thus,":[90],"optimized":[99],"amplify":[101],"desired":[103],"while":[105],"suppressing":[106],"inter-user":[107],"interference.":[108],"However,":[109],"transmission":[111],"delays":[112],"hinder":[113],"perfect":[115],"detection":[116],"sequences.":[120],"Moreover,":[121],"optimization":[123,179],"necessitates":[127],"availability":[129],"state":[132],"information":[133],"(CSI)":[134],"and":[135,160,174],"exhibits":[136],"high":[138],"sensitivity":[139],"phase.":[143],"Therefore,":[144],"we":[145],"propose":[146],"pilot-free":[148],"subspace-based":[149],"method":[150],"combined":[151],"with":[152,167,191],"scalar":[153],"ambiguity":[154],"estimation":[155,203],"jointly":[157],"estimate":[158],"direct":[159],"cascaded":[161],"channels":[162],"without":[163],"ambiguity,":[165],"along":[166],"propagation":[168],"delays.":[169],"After":[170],"obtaining":[171],"CSI":[173],"delays,":[175],"problem":[180,190],"could":[181],"be":[182],"reformulated":[183],"as":[184],"generalized":[186],"Rayleigh":[187],"quotient":[188],"maximization":[189],"closed-form":[192],"solutions.":[193],"Simulation":[194],"results":[195],"validate":[196],"accuracy":[198],"blind":[201],"method.":[204],"Meanwhile,":[205],"sum":[207],"rate":[208],"communications":[213],"ten":[215],"times":[216],"higher":[217],"than":[218],"that":[219],"conventional":[222],"RIS-assisted":[223],"communication,":[224],"attributed":[225],"sequence":[229],"design":[230],"RIS.":[233]},"counts_by_year":[],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-10-14T00:00:00"}
