{"id":"https://openalex.org/W7171776254","doi":"https://doi.org/10.48550/arxiv.2607.26658","title":"Active Movable-Element RIS Assisted Vehicular Semantic Communications: Modeling and Optimization","display_name":"Active Movable-Element RIS Assisted Vehicular Semantic Communications: Modeling and Optimization","publication_year":2026,"publication_date":"2026-07-29","ids":{"openalex":"https://openalex.org/W7171776254","doi":"https://doi.org/10.48550/arxiv.2607.26658"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2607.26658","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2607.26658","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2607.26658","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5144000149","display_name":"Maoxin Ji","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ji, Maoxin","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5144058822","display_name":"Qiong Wu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wu, Qiong","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5144000713","display_name":"Jingbo Zhang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zhang, Jingbo","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5144033347","display_name":"Pingyi Fan","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Fan, Pingyi","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5144062498","display_name":"Kezhi Wang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wang, Kezhi","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5144020430","display_name":"Wen Chen","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Chen, Wen","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036000787","display_name":"Guoqiang Mao","orcid":"https://orcid.org/0000-0002-3598-4949"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Mao, Guoqiang","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5144007407","display_name":"Khaled B. Letaief","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Letaief, Khaled B.","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9952999949455261,"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":0.9952999949455261,"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/T11383","display_name":"Advanced Antenna and Metasurface Technologies","score":0.0005000000237487257,"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"}},{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.00039999998989515007,"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":0.5335999727249146},{"id":"https://openalex.org/keywords/reflection","display_name":"Reflection (computer programming)","score":0.4578999876976013},{"id":"https://openalex.org/keywords/joint","display_name":"Joint (building)","score":0.4510999917984009},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.4198000133037567},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.413100004196167},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.40290001034736633},{"id":"https://openalex.org/keywords/distortion","display_name":"Distortion (music)","score":0.40049999952316284}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7490000128746033},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5335999727249146},{"id":"https://openalex.org/C65682993","wikidata":"https://www.wikidata.org/wiki/Q1056451","display_name":"Reflection (computer programming)","level":2,"score":0.4578999876976013},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.4510999917984009},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.4198000133037567},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.413100004196167},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.40290001034736633},{"id":"https://openalex.org/C126780896","wikidata":"https://www.wikidata.org/wiki/Q899871","display_name":"Distortion (music)","level":4,"score":0.40049999952316284},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.38420000672340393},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.34950000047683716},{"id":"https://openalex.org/C2987595161","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Optimization algorithm","level":2,"score":0.29660001397132874},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.2777999937534332},{"id":"https://openalex.org/C200288055","wikidata":"https://www.wikidata.org/wiki/Q2621792","display_name":"Element (criminal law)","level":2,"score":0.2775999903678894},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.2759000062942505},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.2705000042915344},{"id":"https://openalex.org/C193611912","wikidata":"https://www.wikidata.org/wiki/Q4677596","display_name":"Active vision","level":2,"score":0.26570001244544983},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.2606000006198883},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.2583000063896179},{"id":"https://openalex.org/C42747912","wikidata":"https://www.wikidata.org/wiki/Q1048447","display_name":"Multiplicative function","level":2,"score":0.2551000118255615}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2607.26658","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2607.26658","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2607.26658","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2607.26658","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Severe":[0],"signal":[1,40],"blockage":[2],"and":[3,50,78,111,127],"fast-varying":[4],"channels":[5],"in":[6,114],"vehicular":[7,31],"environments":[8],"pose":[9],"critical":[10],"challenges":[11],"to":[12,45,64,90,108,120],"reliable":[13],"semantic":[14,32,79],"communication.":[15],"To":[16],"address":[17],"these,":[18],"this":[19],"paper":[20],"proposes":[21],"a":[22,60],"novel":[23],"Row-Movable":[24],"Active":[25],"Reconfigurable":[26],"Intelligent":[27],"Surface":[28],"(RM-A-RIS)":[29],"assisted":[30],"communication":[33],"system.":[34],"This":[35],"architecture":[36],"uniquely":[37],"combines":[38],"active":[39,75,125],"amplification":[41],"with":[42],"element":[43,73],"mobility":[44],"compensate":[46],"for":[47],"multiplicative":[48],"fading":[49],"reconstruct":[51],"channel":[52],"geometry,":[53],"thereby":[54],"enhancing":[55],"spatial":[56],"diversity.":[57],"We":[58],"formulate":[59],"joint":[61],"optimization":[62],"problem":[63],"maximize":[65],"Semantic":[66],"Spectral":[67,116],"Efficiency":[68,117],"(SSE)":[69],"by":[70],"coordinating":[71],"RIS":[72],"positions,":[74],"reflection":[76],"coefficients,":[77],"symbol":[80],"length.":[81],"An":[82],"efficient":[83],"Alternating":[84],"Optimization":[85],"(AO)":[86],"algorithm":[87],"is":[88],"developed":[89],"tackle":[91],"the":[92,99,121],"coupled":[93],"non-convexity.":[94],"Simulation":[95],"results":[96],"demonstrate":[97],"that":[98],"proposed":[100],"scheme":[101],"substantially":[102],"outperforms":[103],"existing":[104],"benchmarks,":[105],"achieving":[106],"up":[107],"132.9%,":[109],"9.2%,":[110],"35.2%":[112],"improvements":[113],"Sum-Semantic":[115],"(Sum-SSE)":[118],"compared":[119],"passive":[122],"RIS,":[123,126],"fixed-position":[124],"QPSO":[128],"baselines,":[129],"respectively.":[130]},"counts_by_year":[],"updated_date":"2026-07-31T08:31:51.225901","created_date":"2026-07-31T00:00:00"}