{"id":"https://openalex.org/W4319865692","doi":"https://doi.org/10.1109/lcomm.2023.3241007","title":"Age Minimization in Outdoor and Indoor Communications With Relay-Aided Dual RIS","display_name":"Age Minimization in Outdoor and Indoor Communications With Relay-Aided Dual RIS","publication_year":2023,"publication_date":"2023-01-31","ids":{"openalex":"https://openalex.org/W4319865692","doi":"https://doi.org/10.1109/lcomm.2023.3241007"},"language":"en","primary_location":{"id":"doi:10.1109/lcomm.2023.3241007","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/lcomm.2023.3241007","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/A5060379364","display_name":"Wanting Lyu","orcid":"https://orcid.org/0000-0003-0510-2666"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Wanting Lyu","raw_affiliation_strings":["National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu, China"],"affiliations":[{"raw_affiliation_string":"National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091535914","display_name":"Yue Xiu","orcid":"https://orcid.org/0000-0002-8204-5389"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yue Xiu","raw_affiliation_strings":["National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu, China"],"affiliations":[{"raw_affiliation_string":"National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049858372","display_name":"Yang Zhao","orcid":"https://orcid.org/0000-0002-5440-8234"},"institutions":[{"id":"https://openalex.org/I4210091207","display_name":"Singapore Institute of Manufacturing Technology","ror":"https://ror.org/00f44np30","country_code":"SG","type":"facility","lineage":["https://openalex.org/I115228651","https://openalex.org/I4210091207","https://openalex.org/I91275662"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Yang Zhao","raw_affiliation_strings":["Singapore Institute of Manufacturing Technology, Agency for Science, Technology & Research, 2 Fusionopolis Way, Singapore"],"affiliations":[{"raw_affiliation_string":"Singapore Institute of Manufacturing Technology, Agency for Science, Technology & Research, 2 Fusionopolis Way, Singapore","institution_ids":["https://openalex.org/I4210091207"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072393948","display_name":"Chadi Assi","orcid":"https://orcid.org/0000-0002-3161-1846"},"institutions":[{"id":"https://openalex.org/I60158472","display_name":"Concordia University","ror":"https://ror.org/0420zvk78","country_code":"CA","type":"education","lineage":["https://openalex.org/I60158472"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Chadi Assi","raw_affiliation_strings":["Concordia Institute for Information Systems Engineering, Concordia University, Montreal, Canada"],"affiliations":[{"raw_affiliation_string":"Concordia Institute for Information Systems Engineering, Concordia University, Montreal, Canada","institution_ids":["https://openalex.org/I60158472"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5067710600","display_name":"Zhongpei Zhang","orcid":"https://orcid.org/0000-0003-2772-9937"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zhongpei Zhang","raw_affiliation_strings":["Shenzhen Institute for Advanced Study, University of Electronic Science and Technology of China, Shenzhen, China"],"affiliations":[{"raw_affiliation_string":"Shenzhen Institute for Advanced Study, University of Electronic Science and Technology of China, Shenzhen, China","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5060379364"],"corresponding_institution_ids":["https://openalex.org/I150229711"],"apc_list":null,"apc_paid":null,"fwci":0.4119,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.57847558,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":95},"biblio":{"volume":"27","issue":"3","first_page":"906","last_page":"910"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13553","display_name":"Age of Information Optimization","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T13553","display_name":"Age of Information Optimization","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.998199999332428,"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/T12079","display_name":"IoT Networks and Protocols","score":0.998199999332428,"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/relay","display_name":"Relay","score":0.8517134189605713},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6906161308288574},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.6448962688446045},{"id":"https://openalex.org/keywords/scheduling","display_name":"Scheduling (production processes)","score":0.5509702563285828},{"id":"https://openalex.org/keywords/minification","display_name":"Minification","score":0.5458356738090515},{"id":"https://openalex.org/keywords/iterative-method","display_name":"Iterative method","score":0.5255302786827087},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.4983222484588623},{"id":"https://openalex.org/keywords/convex-optimization","display_name":"Convex optimization","score":0.49502843618392944},{"id":"https://openalex.org/keywords/wireless-network","display_name":"Wireless network","score":0.470601886510849},{"id":"https://openalex.org/keywords/regular-polygon","display_name":"Regular polygon","score":0.43919551372528076},{"id":"https://openalex.org/keywords/dual","display_name":"Dual (grammatical number)","score":0.4119088053703308},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3281380534172058},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.220671147108078},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.20179587602615356}],"concepts":[{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.8517134189605713},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6906161308288574},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.6448962688446045},{"id":"https://openalex.org/C206729178","wikidata":"https://www.wikidata.org/wiki/Q2271896","display_name":"Scheduling (production processes)","level":2,"score":0.5509702563285828},{"id":"https://openalex.org/C147764199","wikidata":"https://www.wikidata.org/wiki/Q6865248","display_name":"Minification","level":2,"score":0.5458356738090515},{"id":"https://openalex.org/C159694833","wikidata":"https://www.wikidata.org/wiki/Q2321565","display_name":"Iterative method","level":2,"score":0.5255302786827087},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.4983222484588623},{"id":"https://openalex.org/C157972887","wikidata":"https://www.wikidata.org/wiki/Q463359","display_name":"Convex optimization","level":3,"score":0.49502843618392944},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.470601886510849},{"id":"https://openalex.org/C112680207","wikidata":"https://www.wikidata.org/wiki/Q714886","display_name":"Regular polygon","level":2,"score":0.43919551372528076},{"id":"https://openalex.org/C2780980858","wikidata":"https://www.wikidata.org/wiki/Q110022","display_name":"Dual (grammatical number)","level":2,"score":0.4119088053703308},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3281380534172058},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.220671147108078},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.20179587602615356},{"id":"https://openalex.org/C124952713","wikidata":"https://www.wikidata.org/wiki/Q8242","display_name":"Literature","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C142362112","wikidata":"https://www.wikidata.org/wiki/Q735","display_name":"Art","level":0,"score":0.0},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lcomm.2023.3241007","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/lcomm.2023.3241007","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/G1365452657","display_name":null,"funder_award_id":"JCYJ 20210324140002008","funder_id":"https://openalex.org/F4320316880","funder_display_name":"Natural Science Foundation of Shenzhen City"},{"id":"https://openalex.org/G4171565439","display_name":null,"funder_award_id":"2022NSFSC0489","funder_id":"https://openalex.org/F4320329861","funder_display_name":"Natural Science Foundation of Sichuan Province"}],"funders":[{"id":"https://openalex.org/F4320316880","display_name":"Natural Science Foundation of Shenzhen City","ror":null},{"id":"https://openalex.org/F4320329861","display_name":"Natural Science Foundation of Sichuan Province","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1677318746","https://openalex.org/W1993918491","https://openalex.org/W2903879234","https://openalex.org/W3009554119","https://openalex.org/W3035543088","https://openalex.org/W3122751454","https://openalex.org/W3135998278","https://openalex.org/W3159402647","https://openalex.org/W3177820584","https://openalex.org/W3185249608","https://openalex.org/W3211897542","https://openalex.org/W3214276595","https://openalex.org/W3214581113","https://openalex.org/W4206186328","https://openalex.org/W4226363398","https://openalex.org/W4290996600","https://openalex.org/W6779828442","https://openalex.org/W6811368847"],"related_works":["https://openalex.org/W2539674285","https://openalex.org/W1038122923","https://openalex.org/W1998322187","https://openalex.org/W2952514781","https://openalex.org/W3019210376","https://openalex.org/W2391145594","https://openalex.org/W2326572623","https://openalex.org/W1559320887","https://openalex.org/W2284606164","https://openalex.org/W3153752017"],"abstract_inverted_index":{"In":[0],"this":[1],"letter,":[2],"we":[3],"investigate":[4],"an":[5,95],"outdoor":[6,30],"and":[7,48,76,104],"indoor":[8,46],"wireless":[9,52],"communication":[10],"network":[11],"with":[12,58,68,83,117],"the":[13,29,36,45,51,63,102,113],"assistance":[14],"of":[15,38,40,85,110,112],"a":[16,55,71],"relay-aided":[17],"double-sided":[18,56],"reconfigurable":[19],"intelligent":[20],"surface":[21],"(RIS).":[22],"A":[23],"scheduling":[24],"problem":[25,65],"is":[26,60,66,89],"considered":[27],"at":[28],"access":[31],"point":[32],"(AP)":[33],"to":[34,91],"minimize":[35],"sum":[37],"age":[39],"information":[41],"(AoI).":[42],"To":[43],"serve":[44],"users":[47],"further":[49],"enhance":[50],"link":[53],"quality,":[54],"RIS":[57],"relay":[59],"utilized.":[61],"Since":[62],"formulated":[64],"non-convex":[67],"highly-coupled":[69],"variables,":[70],"successive":[72],"convex":[73,86],"approximation":[74],"(SCA)":[75],"penalty":[77],"based":[78],"alternating":[79],"optimization":[80],"(AO)":[81],"algorithm":[82,115],"difference":[84],"(DC)":[87],"functions":[88],"proposed":[90,114],"solve":[92],"it":[93],"in":[94,108],"iterative":[96],"manner.":[97],"Finally,":[98],"simulation":[99],"results":[100],"show":[101],"effectiveness":[103],"significant":[105],"performance":[106],"improvement":[107],"terms":[109],"AoI":[111],"compared":[116],"other":[118],"baselines.":[119]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1}],"updated_date":"2025-12-23T23:11:35.936235","created_date":"2025-10-10T00:00:00"}