{"id":"https://openalex.org/W7127402256","doi":"https://doi.org/10.1109/tgcn.2026.3660741","title":"Joint Transmit Beamforming and Phase Shift Design for RIS and NOMA Assisted Wireless Caching Systems With Non-Linear Energy Harvesting","display_name":"Joint Transmit Beamforming and Phase Shift Design for RIS and NOMA Assisted Wireless Caching Systems With Non-Linear Energy Harvesting","publication_year":2026,"publication_date":"2026-01-01","ids":{"openalex":"https://openalex.org/W7127402256","doi":"https://doi.org/10.1109/tgcn.2026.3660741"},"language":null,"primary_location":{"id":"doi:10.1109/tgcn.2026.3660741","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgcn.2026.3660741","pdf_url":null,"source":{"id":"https://openalex.org/S4210192662","display_name":"IEEE Transactions on Green Communications and Networking","issn_l":"2473-2400","issn":["2473-2400"],"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 Transactions on Green Communications and Networking","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":null,"display_name":"Xuewei Zhang","orcid":"https://orcid.org/0000-0002-3078-8850"},"institutions":[{"id":"https://openalex.org/I4210136859","display_name":"Xi\u2019an University of Posts and Telecommunications","ror":"https://ror.org/04jn0td46","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210136859"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xuewei Zhang","raw_affiliation_strings":["School of Communications and Information Engineering, Xi&#x2019;an University of Posts and Telecommunications, Xi&#x2019;an, China"],"raw_orcid":"https://orcid.org/0000-0002-3078-8850","affiliations":[{"raw_affiliation_string":"School of Communications and Information Engineering, Xi&#x2019;an University of Posts and Telecommunications, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I4210136859"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Yapeng Zhang","orcid":"https://orcid.org/0009-0000-3988-4577"},"institutions":[{"id":"https://openalex.org/I4210136859","display_name":"Xi\u2019an University of Posts and Telecommunications","ror":"https://ror.org/04jn0td46","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210136859"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yapeng Zhang","raw_affiliation_strings":["School of Communications and Information Engineering, Xi&#x2019;an University of Posts and Telecommunications, Xi&#x2019;an, China"],"raw_orcid":"https://orcid.org/0009-0000-3988-4577","affiliations":[{"raw_affiliation_string":"School of Communications and Information Engineering, Xi&#x2019;an University of Posts and Telecommunications, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I4210136859"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101076306","display_name":"Yuan Ren","orcid":null},"institutions":[{"id":"https://openalex.org/I4210136859","display_name":"Xi\u2019an University of Posts and Telecommunications","ror":"https://ror.org/04jn0td46","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210136859"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuan Ren","raw_affiliation_strings":["School of Communications and Information Engineering, Xi&#x2019;an University of Posts and Telecommunications, Xi&#x2019;an, China"],"raw_orcid":"https://orcid.org/0000-0003-2520-8388","affiliations":[{"raw_affiliation_string":"School of Communications and Information Engineering, Xi&#x2019;an University of Posts and Telecommunications, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I4210136859"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5124882112","display_name":"Fan Jiang","orcid":null},"institutions":[{"id":"https://openalex.org/I4210136859","display_name":"Xi\u2019an University of Posts and Telecommunications","ror":"https://ror.org/04jn0td46","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210136859"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fan Jiang","raw_affiliation_strings":["School of Communications and Information Engineering, Xi&#x2019;an University of Posts and Telecommunications, Xi&#x2019;an, China"],"raw_orcid":"https://orcid.org/0000-0002-8968-5178","affiliations":[{"raw_affiliation_string":"School of Communications and Information Engineering, Xi&#x2019;an University of Posts and Telecommunications, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I4210136859"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025530726","display_name":"Junxuan Wang","orcid":"https://orcid.org/0000-0002-5386-9012"},"institutions":[{"id":"https://openalex.org/I4210136859","display_name":"Xi\u2019an University of Posts and Telecommunications","ror":"https://ror.org/04jn0td46","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210136859"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Junxuan Wang","raw_affiliation_strings":["School of Communications and Information Engineering, Xi&#x2019;an University of Posts and Telecommunications, Xi&#x2019;an, China"],"raw_orcid":"https://orcid.org/0000-0002-5386-9012","affiliations":[{"raw_affiliation_string":"School of Communications and Information Engineering, Xi&#x2019;an University of Posts and Telecommunications, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I4210136859"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5124965460","display_name":"Jie Zeng","orcid":null},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jie Zeng","raw_affiliation_strings":["School of Cyberspace Science and Technology, Beijing Institute of Technology, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0003-4486-5041","affiliations":[{"raw_affiliation_string":"School of Cyberspace Science and Technology, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.10070938,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"10","issue":null,"first_page":"2107","last_page":"2117"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9707000255584717,"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":0.9707000255584717,"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/T11478","display_name":"Caching and Content Delivery","score":0.0044999998062849045,"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.0017999999690800905,"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/beamforming","display_name":"Beamforming","score":0.7383000254631042},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.6133000254631042},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.6065000295639038},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.5831000208854675},{"id":"https://openalex.org/keywords/cache","display_name":"Cache","score":0.5695000290870667},{"id":"https://openalex.org/keywords/controller","display_name":"Controller (irrigation)","score":0.4828000068664551},{"id":"https://openalex.org/keywords/noma","display_name":"Noma","score":0.4634999930858612},{"id":"https://openalex.org/keywords/energy-harvesting","display_name":"Energy harvesting","score":0.45159998536109924},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.4494999945163727},{"id":"https://openalex.org/keywords/joint","display_name":"Joint (building)","score":0.43160000443458557}],"concepts":[{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.7383000254631042},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6955999732017517},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.6133000254631042},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.6065000295639038},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.5831000208854675},{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.5695000290870667},{"id":"https://openalex.org/C203479927","wikidata":"https://www.wikidata.org/wiki/Q5165939","display_name":"Controller (irrigation)","level":2,"score":0.4828000068664551},{"id":"https://openalex.org/C2775918612","wikidata":"https://www.wikidata.org/wiki/Q994794","display_name":"Noma","level":3,"score":0.4634999930858612},{"id":"https://openalex.org/C101518730","wikidata":"https://www.wikidata.org/wiki/Q930236","display_name":"Energy harvesting","level":3,"score":0.45159998536109924},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.4494999945163727},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.43160000443458557},{"id":"https://openalex.org/C129844170","wikidata":"https://www.wikidata.org/wiki/Q41299","display_name":"Quadratic equation","level":2,"score":0.4311999976634979},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.40709999203681946},{"id":"https://openalex.org/C186370098","wikidata":"https://www.wikidata.org/wiki/Q442787","display_name":"Energy (signal processing)","level":2,"score":0.40310001373291016},{"id":"https://openalex.org/C81845259","wikidata":"https://www.wikidata.org/wiki/Q290117","display_name":"Quadratic programming","level":2,"score":0.3822000026702881},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.382099986076355},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.36309999227523804},{"id":"https://openalex.org/C44280652","wikidata":"https://www.wikidata.org/wiki/Q104837","display_name":"Phase (matter)","level":2,"score":0.3562999963760376},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3280999958515167},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.3264000117778778},{"id":"https://openalex.org/C56685638","wikidata":"https://www.wikidata.org/wiki/Q2300474","display_name":"Power control","level":3,"score":0.32420000433921814},{"id":"https://openalex.org/C74064498","wikidata":"https://www.wikidata.org/wiki/Q3396184","display_name":"Radio frequency","level":2,"score":0.32249999046325684},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.31850001215934753},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.31139999628067017},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.30660000443458557},{"id":"https://openalex.org/C2742236","wikidata":"https://www.wikidata.org/wiki/Q924713","display_name":"Efficient energy use","level":2,"score":0.3052000105381012},{"id":"https://openalex.org/C24590314","wikidata":"https://www.wikidata.org/wiki/Q336038","display_name":"Wireless sensor network","level":2,"score":0.3050999939441681},{"id":"https://openalex.org/C157972887","wikidata":"https://www.wikidata.org/wiki/Q463359","display_name":"Convex optimization","level":3,"score":0.2948000133037567},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.29440000653266907},{"id":"https://openalex.org/C2781327853","wikidata":"https://www.wikidata.org/wiki/Q3552547","display_name":"User equipment","level":3,"score":0.28690001368522644},{"id":"https://openalex.org/C143635782","wikidata":"https://www.wikidata.org/wiki/Q1187868","display_name":"Smart antenna","level":4,"score":0.2533999979496002},{"id":"https://openalex.org/C557945733","wikidata":"https://www.wikidata.org/wiki/Q389772","display_name":"Data transmission","level":2,"score":0.2508000135421753}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tgcn.2026.3660741","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgcn.2026.3660741","pdf_url":null,"source":{"id":"https://openalex.org/S4210192662","display_name":"IEEE Transactions on Green Communications and Networking","issn_l":"2473-2400","issn":["2473-2400"],"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 Transactions on Green Communications and Networking","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.9107228517532349,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[{"id":"https://openalex.org/G5832581827","display_name":null,"funder_award_id":"92367201","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7128653654","display_name":null,"funder_award_id":"62371039","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7414828622","display_name":null,"funder_award_id":"62101442","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":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":39,"referenced_works":["https://openalex.org/W2740397294","https://openalex.org/W2788350651","https://openalex.org/W2894726337","https://openalex.org/W2996852472","https://openalex.org/W3000577820","https://openalex.org/W3005347223","https://openalex.org/W3005476696","https://openalex.org/W3045780692","https://openalex.org/W3090699061","https://openalex.org/W3104205931","https://openalex.org/W3205036211","https://openalex.org/W3206760023","https://openalex.org/W4285159124","https://openalex.org/W4289535596","https://openalex.org/W4312452210","https://openalex.org/W4312865817","https://openalex.org/W4319654289","https://openalex.org/W4321608126","https://openalex.org/W4360930580","https://openalex.org/W4361772042","https://openalex.org/W4362652993","https://openalex.org/W4367280092","https://openalex.org/W4380362904","https://openalex.org/W4382677393","https://openalex.org/W4388579546","https://openalex.org/W4390075063","https://openalex.org/W4390577869","https://openalex.org/W4390691149","https://openalex.org/W4391877812","https://openalex.org/W4392173729","https://openalex.org/W4392745439","https://openalex.org/W4394939113","https://openalex.org/W4398788546","https://openalex.org/W4399619746","https://openalex.org/W4400230279","https://openalex.org/W4400314761","https://openalex.org/W4400944816","https://openalex.org/W4408520091","https://openalex.org/W4409233796"],"related_works":[],"abstract_inverted_index":{"This":[0],"paper":[1],"studies":[2],"a":[3,18,38],"new":[4],"reconfigurable":[5],"intelligent":[6],"surface":[7],"(RIS)":[8],"aided":[9],"wireless":[10],"caching":[11,26],"system.":[12],"The":[13,102,125,149,184],"RIS":[14,92,108],"is":[15,127,152,161,172],"equipped":[16],"with":[17,87],"smart":[19],"controller,":[20],"and":[21,27,62,111,140,168,202],"the":[22,34,43,46,56,63,73,76,91,98,106,121,135,158,164,169,179,192,198,203,211],"functions":[23],"of":[24,105,137,181,210],"content":[25],"energy":[28],"harvesting":[29],"(EH)":[30],"are":[31,50,53,116,187],"endowed":[32],"to":[33,60,100,119,130,174],"controller.":[35],"We":[36],"design":[37],"two-phase":[39],"transmission":[40,86],"policy.":[41],"In":[42,72],"first":[44,150],"phase,":[45,75],"requested":[47],"contents":[48,80,95],"that":[49,197],"not":[51],"cached":[52,79],"delivered":[54],"by":[55,154,177,189],"base":[57],"station":[58],"(BS)":[59],"RIS,":[61],"controller":[64,77],"conducts":[65],"EH":[66],"from":[67,97],"surrounding":[68],"radio":[69],"frequency":[70],"signals.":[71],"second":[74,159],"distributes":[78],"utilizing":[81],"non-orthogonal":[82],"multiple":[83],"access":[84],"(NOMA)":[85],"harvested":[88],"energy,":[89],"while":[90],"forwards":[93],"fetched":[94],"sent":[96],"BS":[99],"users.":[101],"beamforming":[103],"vectors":[104],"BS,":[107],"phase":[109],"shifts,":[110],"NOMA":[112],"power":[113],"allocation":[114],"factors":[115],"jointly":[117],"optimized":[118],"maximize":[120],"achievable":[122],"sum":[123,212],"rate.":[124,213],"problem":[126,199],"intractable":[128],"owing":[129],"coupled":[131],"variables.":[132],"After":[133],"using":[134,163],"methods":[136],"fractional":[138],"programming":[139],"quadratic":[141],"transformation,":[142],"we":[143],"divide":[144],"it":[145],"into":[146],"three":[147],"sub-problems.":[148,193],"sub-problem":[151],"solved":[153],"introducing":[155],"auxiliary":[156],"variables;":[157],"one":[160,171],"addressed":[162],"Riemannian":[165],"manifold":[166],"optimization;":[167],"third":[170],"converted":[173],"be":[175],"convex":[176],"transforming":[178],"quality":[180],"service":[182],"constraint.":[183],"sub-optimal":[185],"solutions":[186],"achieved":[188],"alternatively":[190],"solving":[191],"Simulation":[194],"results":[195],"reveal":[196],"converges":[200],"quickly,":[201],"proposed":[204],"algorithm":[205],"outperforms":[206],"benchmarks":[207],"in":[208],"terms":[209]},"counts_by_year":[],"updated_date":"2026-02-13T13:36:01.753593","created_date":"2026-02-04T00:00:00"}
