{"id":"https://openalex.org/W7135212506","doi":"https://doi.org/10.1109/lcomm.2026.3673861","title":"Enabling Coherent Multipath Estimation in RIS-Assisted Systems via a Synthesized Virtual Array Design","display_name":"Enabling Coherent Multipath Estimation in RIS-Assisted Systems via a Synthesized Virtual Array Design","publication_year":2026,"publication_date":"2026-01-01","ids":{"openalex":"https://openalex.org/W7135212506","doi":"https://doi.org/10.1109/lcomm.2026.3673861"},"language":null,"primary_location":{"id":"doi:10.1109/lcomm.2026.3673861","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2026.3673861","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"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 Communications Letters","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/A5036322383","display_name":"Fengkai Chen","orcid":"https://orcid.org/0009-0002-0006-8382"},"institutions":[{"id":"https://openalex.org/I3923682","display_name":"Soochow University","ror":"https://ror.org/05t8y2r12","country_code":"CN","type":"education","lineage":["https://openalex.org/I3923682"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Fengkai Chen","raw_affiliation_strings":["School of Electronic and Information Engineering, Soochow University, Suzhou, China"],"raw_orcid":"https://orcid.org/0009-0002-0006-8382","affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, Soochow University, Suzhou, China","institution_ids":["https://openalex.org/I3923682"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128955300","display_name":"Yulin Su","orcid":null},"institutions":[{"id":"https://openalex.org/I3923682","display_name":"Soochow University","ror":"https://ror.org/05t8y2r12","country_code":"CN","type":"education","lineage":["https://openalex.org/I3923682"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yulin Su","raw_affiliation_strings":["School of Electronic and Information Engineering, Soochow University, Suzhou, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, Soochow University, Suzhou, China","institution_ids":["https://openalex.org/I3923682"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Jide Yuan","orcid":"https://orcid.org/0000-0002-5585-6039"},"institutions":[{"id":"https://openalex.org/I3923682","display_name":"Soochow University","ror":"https://ror.org/05t8y2r12","country_code":"CN","type":"education","lineage":["https://openalex.org/I3923682"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jide Yuan","raw_affiliation_strings":["School of Electronic and Information Engineering, Soochow University, Suzhou, China"],"raw_orcid":"https://orcid.org/0000-0002-5585-6039","affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, Soochow University, Suzhou, China","institution_ids":["https://openalex.org/I3923682"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100329749","display_name":"Yuli Yang","orcid":"https://orcid.org/0000-0002-6634-5349"},"institutions":[{"id":"https://openalex.org/I3923682","display_name":"Soochow University","ror":"https://ror.org/05t8y2r12","country_code":"CN","type":"education","lineage":["https://openalex.org/I3923682"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuli Yang","raw_affiliation_strings":["School of Electronic and Information Engineering, Soochow University, Suzhou, China"],"raw_orcid":"https://orcid.org/0000-0002-6634-5349","affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, Soochow University, Suzhou, China","institution_ids":["https://openalex.org/I3923682"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5036322383"],"corresponding_institution_ids":["https://openalex.org/I3923682"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.55626019,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"30","issue":null,"first_page":"1370","last_page":"1374"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.21969999372959137,"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":0.21969999372959137,"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/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.1923000067472458,"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/T11946","display_name":"Antenna Design and Optimization","score":0.1809999942779541,"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/multipath-propagation","display_name":"Multipath propagation","score":0.43950000405311584},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.41620001196861267},{"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":0.31700000166893005},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.3082999885082245},{"id":"https://openalex.org/keywords/algorithm-design","display_name":"Algorithm design","score":0.29510000348091125},{"id":"https://openalex.org/keywords/radar-tracker","display_name":"Radar tracker","score":0.2892000079154968}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6873000264167786},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.45410001277923584},{"id":"https://openalex.org/C161218011","wikidata":"https://www.wikidata.org/wiki/Q11827794","display_name":"Multipath propagation","level":3,"score":0.43950000405311584},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.41620001196861267},{"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":0.3644999861717224},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3481000065803528},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.31700000166893005},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.3082999885082245},{"id":"https://openalex.org/C106516650","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm design","level":2,"score":0.29510000348091125},{"id":"https://openalex.org/C32283439","wikidata":"https://www.wikidata.org/wiki/Q1407014","display_name":"Radar tracker","level":3,"score":0.2892000079154968},{"id":"https://openalex.org/C167928553","wikidata":"https://www.wikidata.org/wiki/Q1376021","display_name":"Estimation theory","level":2,"score":0.28780001401901245},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.2806999981403351},{"id":"https://openalex.org/C105344744","wikidata":"https://www.wikidata.org/wiki/Q958957","display_name":"Spread spectrum","level":3,"score":0.2736999988555908},{"id":"https://openalex.org/C11930861","wikidata":"https://www.wikidata.org/wiki/Q181417","display_name":"Frequency modulation","level":3,"score":0.259799987077713},{"id":"https://openalex.org/C31352089","wikidata":"https://www.wikidata.org/wiki/Q3750474","display_name":"Systems design","level":2,"score":0.2551000118255615},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.2540000081062317},{"id":"https://openalex.org/C62191587","wikidata":"https://www.wikidata.org/wiki/Q4771249","display_name":"Antenna array","level":3,"score":0.25110000371932983}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lcomm.2026.3673861","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2026.3673861","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"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 Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1482901301","display_name":null,"funder_award_id":"62301350","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6989886316","display_name":null,"funder_award_id":"62571357","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":{"Reconfigurable":[0],"intelligent":[1],"surfaces":[2],"(RISs)":[3],"have":[4],"emerged":[5],"as":[6],"a":[7,44,57,67],"promising":[8],"technology":[9],"for":[10,20,100],"enabling":[11],"high-precision":[12],"wireless":[13],"sensing.":[14],"However,":[15],"existing":[16],"angular":[17,102],"estimation":[18],"methods":[19],"RIS-assisted":[21],"systems":[22],"face":[23],"challenges":[24],"in":[25],"coherent":[26,110],"multipath":[27,111],"environments":[28],"due":[29],"to":[30],"the":[31,78,85,89,107],"rank":[32],"deficiency":[33],"of":[34,91,109],"signal":[35,64],"covariance":[36,98],"matrices.":[37],"To":[38],"address":[39],"this,":[40],"this":[41],"paper":[42],"proposes":[43],"time-domain":[45],"synthesized":[46],"virtual":[47,68,86,116],"array":[48,71],"framework":[49],"through":[50],"RIS":[51],"configuration":[52],"design.":[53],"Specifically,":[54],"we":[55],"design":[56],"sliding-window":[58],"reflection":[59],"protocol":[60],"that":[61,84,114],"reorganizes":[62],"temporal":[63],"samples":[65],"into":[66,77],"uniform":[69],"linear":[70],"structure,":[72],"effectively":[73],"embedding":[74],"spatial":[75,93],"information":[76],"time":[79],"domain.":[80],"We":[81],"theoretically":[82],"prove":[83],"structure":[87],"enables":[88],"application":[90],"forward-backward":[92],"smoothing":[94],"(FBSS),":[95],"guaranteeing":[96],"full-rank":[97],"restoration":[99],"robust":[101],"estimation.":[103],"Simulation":[104],"results":[105],"validate":[106],"resolution":[108],"and":[112],"reveal":[113],"prioritizing":[115],"aperture":[117],"over":[118],"snapshot":[119],"diversity":[120],"maximizes":[121],"precision":[122],"under":[123],"constrained":[124],"resources.":[125]},"counts_by_year":[],"updated_date":"2026-03-24T05:59:24.953642","created_date":"2026-03-14T00:00:00"}
