{"id":"https://openalex.org/W4410808883","doi":"https://doi.org/10.1109/jiot.2025.3574568","title":"TRIS-HAR: Transmissive Reconfigurable Intelligent Surfaces-Assisted Human Activity Recognition Using State Space Models","display_name":"TRIS-HAR: Transmissive Reconfigurable Intelligent Surfaces-Assisted Human Activity Recognition Using State Space Models","publication_year":2025,"publication_date":"2025-05-28","ids":{"openalex":"https://openalex.org/W4410808883","doi":"https://doi.org/10.1109/jiot.2025.3574568"},"language":"en","primary_location":{"id":"doi:10.1109/jiot.2025.3574568","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2025.3574568","pdf_url":null,"source":{"id":"https://openalex.org/S2480266640","display_name":"IEEE Internet of Things Journal","issn_l":"2327-4662","issn":["2327-4662","2372-2541"],"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 Internet of Things Journal","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/A5046403593","display_name":"Junshuo Liu","orcid":"https://orcid.org/0009-0000-4347-3041"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Junshuo Liu","raw_affiliation_strings":["School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China"],"raw_orcid":"https://orcid.org/0009-0000-4347-3041","affiliations":[{"raw_affiliation_string":"School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103901401","display_name":"Yunlong Huang","orcid":"https://orcid.org/0000-0002-8243-9062"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yunlong Huang","raw_affiliation_strings":["School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China"],"raw_orcid":"https://orcid.org/0000-0002-8243-9062","affiliations":[{"raw_affiliation_string":"School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101936887","display_name":"Xin Shi","orcid":"https://orcid.org/0000-0003-1198-2882"},"institutions":[{"id":"https://openalex.org/I4210095546","display_name":"Tsinghua Sichuan Energy Internet Research Institute","ror":"https://ror.org/00pkx4k51","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210095546"]},{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xin Shi","raw_affiliation_strings":["Energy Internet Research Institute, Tsinghua University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0003-1198-2882","affiliations":[{"raw_affiliation_string":"Energy Internet Research Institute, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I4210095546","https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064884714","display_name":"Rujing Xiong","orcid":"https://orcid.org/0000-0002-7420-5290"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Rujing Xiong","raw_affiliation_strings":["School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China"],"raw_orcid":"https://orcid.org/0000-0002-7420-5290","affiliations":[{"raw_affiliation_string":"School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100460582","display_name":"Jianan Zhang","orcid":"https://orcid.org/0000-0002-4387-183X"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianan Zhang","raw_affiliation_strings":["School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China"],"raw_orcid":"https://orcid.org/0000-0002-4387-183X","affiliations":[{"raw_affiliation_string":"School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037650979","display_name":"Tiebin Mi","orcid":"https://orcid.org/0000-0001-6758-116X"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tiebin Mi","raw_affiliation_strings":["School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China"],"raw_orcid":"https://orcid.org/0000-0001-6758-116X","affiliations":[{"raw_affiliation_string":"School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5066014874","display_name":"Robert C. Qiu","orcid":"https://orcid.org/0000-0002-0988-5525"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Robert C. Qiu","raw_affiliation_strings":["School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China"],"raw_orcid":"https://orcid.org/0000-0002-0988-5525","affiliations":[{"raw_affiliation_string":"School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.7398,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.93262842,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":95,"max":99},"biblio":{"volume":"12","issue":"16","first_page":"33421","last_page":"33436"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.996399998664856,"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"}},"topics":[{"id":"https://openalex.org/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.996399998664856,"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/T10812","display_name":"Human Pose and Action Recognition","score":0.9078999757766724,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6684619188308716},{"id":"https://openalex.org/keywords/tris","display_name":"Tris","score":0.6045655608177185},{"id":"https://openalex.org/keywords/state-space","display_name":"State space","score":0.4794241786003113},{"id":"https://openalex.org/keywords/state","display_name":"State (computer science)","score":0.478506475687027},{"id":"https://openalex.org/keywords/space","display_name":"Space (punctuation)","score":0.42788761854171753},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3692868947982788},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.33447521924972534},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.3330116271972656},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.17635610699653625},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.15492254495620728},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.11090978980064392}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6684619188308716},{"id":"https://openalex.org/C2781014771","wikidata":"https://www.wikidata.org/wiki/Q413961","display_name":"Tris","level":2,"score":0.6045655608177185},{"id":"https://openalex.org/C72434380","wikidata":"https://www.wikidata.org/wiki/Q230930","display_name":"State space","level":2,"score":0.4794241786003113},{"id":"https://openalex.org/C48103436","wikidata":"https://www.wikidata.org/wiki/Q599031","display_name":"State (computer science)","level":2,"score":0.478506475687027},{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.42788761854171753},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3692868947982788},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.33447521924972534},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.3330116271972656},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.17635610699653625},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.15492254495620728},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.11090978980064392},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jiot.2025.3574568","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2025.3574568","pdf_url":null,"source":{"id":"https://openalex.org/S2480266640","display_name":"IEEE Internet of Things Journal","issn_l":"2327-4662","issn":["2327-4662","2372-2541"],"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 Internet of Things Journal","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2488712091","display_name":null,"funder_award_id":"12141107","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5804628287","display_name":null,"funder_award_id":"AB21196034","funder_id":"https://openalex.org/F4320336753","funder_display_name":"Changsha Science and Technology Project"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320336753","display_name":"Changsha Science and Technology Project","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":83,"referenced_works":["https://openalex.org/W1515784184","https://openalex.org/W2032609865","https://openalex.org/W2064081294","https://openalex.org/W2064675550","https://openalex.org/W2112796928","https://openalex.org/W2129055468","https://openalex.org/W2141023704","https://openalex.org/W2142125608","https://openalex.org/W2149841631","https://openalex.org/W2194775991","https://openalex.org/W2340862004","https://openalex.org/W2531409750","https://openalex.org/W2571698497","https://openalex.org/W2594230123","https://openalex.org/W2763219399","https://openalex.org/W2783323081","https://openalex.org/W2865154361","https://openalex.org/W2890784233","https://openalex.org/W2944143758","https://openalex.org/W2950077417","https://openalex.org/W2952582779","https://openalex.org/W2968303571","https://openalex.org/W2968810373","https://openalex.org/W2980803040","https://openalex.org/W2984937369","https://openalex.org/W2990747873","https://openalex.org/W3021587675","https://openalex.org/W3038498700","https://openalex.org/W3088369757","https://openalex.org/W3128989612","https://openalex.org/W3162459705","https://openalex.org/W3176590546","https://openalex.org/W3182769925","https://openalex.org/W3211143398","https://openalex.org/W3213510032","https://openalex.org/W4205469029","https://openalex.org/W4229003827","https://openalex.org/W4248288458","https://openalex.org/W4285238407","https://openalex.org/W4285818870","https://openalex.org/W4307922140","https://openalex.org/W4312443924","https://openalex.org/W4312886686","https://openalex.org/W4315629779","https://openalex.org/W4361801433","https://openalex.org/W4367146885","https://openalex.org/W4376481190","https://openalex.org/W4383753411","https://openalex.org/W4385245566","https://openalex.org/W4386469848","https://openalex.org/W4386524773","https://openalex.org/W4389544572","https://openalex.org/W4392271049","https://openalex.org/W4393033135","https://openalex.org/W4396505702","https://openalex.org/W4396754370","https://openalex.org/W4396886565","https://openalex.org/W4399601919","https://openalex.org/W4399665986","https://openalex.org/W4399666057","https://openalex.org/W4399666068","https://openalex.org/W4399728356","https://openalex.org/W4400070968","https://openalex.org/W4400728067","https://openalex.org/W4402157448","https://openalex.org/W4402187472","https://openalex.org/W4402816924","https://openalex.org/W4403278407","https://openalex.org/W4403918622","https://openalex.org/W4406266325","https://openalex.org/W4407450121","https://openalex.org/W4408018191","https://openalex.org/W6676045232","https://openalex.org/W6744720862","https://openalex.org/W6755977528","https://openalex.org/W6774776664","https://openalex.org/W6780226713","https://openalex.org/W6803444062","https://openalex.org/W6859298233","https://openalex.org/W6861381597","https://openalex.org/W6870555707","https://openalex.org/W6870690813","https://openalex.org/W6876771614"],"related_works":["https://openalex.org/W2048683223","https://openalex.org/W2077013098","https://openalex.org/W2747583571","https://openalex.org/W2513717295","https://openalex.org/W4410023577","https://openalex.org/W2006605582","https://openalex.org/W1981567094","https://openalex.org/W2010299993","https://openalex.org/W2415908279","https://openalex.org/W2014192540"],"abstract_inverted_index":{"Human":[0,63],"activity":[1,108],"recognition":[2,109,125],"(HAR)":[3],"using":[4],"radio":[5],"frequency":[6],"(RF)":[7],"signals":[8],"has":[9],"attracted":[10],"increasing":[11],"interest":[12],"due":[13],"to":[14,99,129],"its":[15],"non-intrusive":[16],"and":[17,30,103,118,131,170,177],"privacy-preserving":[18],"nature.":[19],"However,":[20],"traditional":[21],"systems":[22],"often":[23],"suffer":[24],"from":[25,127],"multipath":[26],"fading,":[27],"environmental":[28],"noise,":[29],"limited":[31],"spatial":[32],"diversity,":[33],"particularly":[34],"in":[35],"through-the-wall":[36],"scenarios.":[37],"In":[38],"this":[39],"paper,":[40],"we":[41],"propose":[42],"TRIS-HAR,":[43],"a":[44,50,93,143,160,168],"novel":[45],"HAR":[46],"system":[47],"that":[48,122],"integrates":[49],"transmissive":[51],"reconfigurable":[52],"intelligent":[53],"surface":[54],"(TRIS)":[55],"with":[56,153],"an":[57],"advanced":[58],"dual-stream":[59],"state":[60,85,96],"space":[61,97],"model,":[62],"intelligence":[64],"Mamba":[65],"(HiMamba).":[66],"The":[67,137],"TRIS":[68],"actively":[69],"reshapes":[70],"the":[71],"propagation":[72],"environment":[73],"by":[74],"constructing":[75],"deterministic":[76],"quasi-line-of-sight":[77],"(QLoS)":[78],"paths":[79],"across":[80,135],"obstacles,":[81],"significantly":[82],"improving":[83],"channel":[84],"information":[86],"(CSI)":[87],"quality.":[88],"Complementing":[89],"this,":[90],"HiMamba":[91],"leverages":[92],"lightweight":[94],"structured":[95],"architecture":[98],"jointly":[100],"model":[101,138],"temporal":[102],"spectral":[104],"dynamics,":[105],"enabling":[106],"robust":[107],"under":[110],"non-line-of-sight":[111],"conditions.":[112],"Extensive":[113],"experiments":[114],"on":[115,142],"both":[116],"public":[117],"real-world":[119],"datasets":[120],"demonstrate":[121],"TRIS-HAR":[123],"improves":[124],"accuracy":[126],"85.00%":[128],"98.06%":[130],"maintains":[132],"strong":[133],"generalizability":[134],"environments.":[136],"is":[139],"also":[140],"deployed":[141],"CPU-based":[144],"edge":[145],"device,":[146],"achieving":[147],"real-time":[148],"inference":[149],"at":[150],"108":[151],"FPS":[152],"minimal":[154],"memory":[155],"cost.":[156],"This":[157],"work":[158],"establishes":[159],"co-designed":[161],"hardware-algorithm":[162],"framework":[163],"for":[164,173],"RF-based":[165],"HAR,":[166],"offering":[167],"scalable":[169],"deployable":[171],"solution":[172],"smart":[174],"homes,":[175],"healthcare,":[176],"next-generation":[178],"pervasive":[179],"sensing":[180],"applications.":[181]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
