{"id":"https://openalex.org/W4285279137","doi":"https://doi.org/10.1109/tvt.2022.3173675","title":"A New Reconfigurable Intelligent-Surface-Assisted LoRa System","display_name":"A New Reconfigurable Intelligent-Surface-Assisted LoRa System","publication_year":2022,"publication_date":"2022-05-10","ids":{"openalex":"https://openalex.org/W4285279137","doi":"https://doi.org/10.1109/tvt.2022.3173675"},"language":"en","primary_location":{"id":"doi:10.1109/tvt.2022.3173675","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2022.3173675","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"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 Vehicular Technology","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/A5100419396","display_name":"Xiaoyu Zhang","orcid":"https://orcid.org/0000-0002-0793-889X"},"institutions":[{"id":"https://openalex.org/I139024713","display_name":"Guangdong University of Technology","ror":"https://ror.org/04azbjn80","country_code":"CN","type":"education","lineage":["https://openalex.org/I139024713"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xiaoyu Zhang","raw_affiliation_strings":["School of Information Engineering, Guangdong University of Technology, Guangzhou, China"],"affiliations":[{"raw_affiliation_string":"School of Information Engineering, Guangdong University of Technology, Guangzhou, China","institution_ids":["https://openalex.org/I139024713"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091647039","display_name":"Wenyang Xu","orcid":null},"institutions":[{"id":"https://openalex.org/I139024713","display_name":"Guangdong University of Technology","ror":"https://ror.org/04azbjn80","country_code":"CN","type":"education","lineage":["https://openalex.org/I139024713"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wenyang Xu","raw_affiliation_strings":["School of Information Engineering, Guangdong University of Technology, Guangzhou, China"],"affiliations":[{"raw_affiliation_string":"School of Information Engineering, Guangdong University of Technology, Guangzhou, China","institution_ids":["https://openalex.org/I139024713"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063707026","display_name":"Guofa Cai","orcid":"https://orcid.org/0000-0001-9746-4052"},"institutions":[{"id":"https://openalex.org/I139024713","display_name":"Guangdong University of Technology","ror":"https://ror.org/04azbjn80","country_code":"CN","type":"education","lineage":["https://openalex.org/I139024713"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guofa Cai","raw_affiliation_strings":["School of Information Engineering, Guangdong University of Technology, Guangzhou, China"],"affiliations":[{"raw_affiliation_string":"School of Information Engineering, Guangdong University of Technology, Guangzhou, China","institution_ids":["https://openalex.org/I139024713"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025482368","display_name":"Yang Song","orcid":"https://orcid.org/0000-0001-9236-4538"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Yang Song","raw_affiliation_strings":["School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore"],"affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5024633466","display_name":"Guanrong Chen","orcid":"https://orcid.org/0000-0003-1381-7418"},"institutions":[{"id":"https://openalex.org/I168719708","display_name":"City University of Hong Kong","ror":"https://ror.org/03q8dnn23","country_code":"HK","type":"education","lineage":["https://openalex.org/I168719708"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Guanrong Chen","raw_affiliation_strings":["Department of Electrical Engineering, City University of Hong Kong, Hong Kong"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, City University of Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I168719708"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5100419396"],"corresponding_institution_ids":["https://openalex.org/I139024713"],"apc_list":null,"apc_paid":null,"fwci":1.3807,"has_fulltext":false,"cited_by_count":18,"citation_normalized_percentile":{"value":0.80202998,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":97,"max":100},"biblio":{"volume":"71","issue":"8","first_page":"9055","last_page":"9060"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9934999942779541,"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/T11192","display_name":"Underwater Vehicles and Communication Systems","score":0.9692999720573425,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/fading","display_name":"Fading","score":0.6607574820518494},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.6391388773918152},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.5430570840835571},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.4868456721305847},{"id":"https://openalex.org/keywords/relay","display_name":"Relay","score":0.4790043532848358},{"id":"https://openalex.org/keywords/notation","display_name":"Notation","score":0.4572224020957947},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4404960572719574},{"id":"https://openalex.org/keywords/keying","display_name":"Keying","score":0.4381812810897827},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.430447518825531},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4148671329021454},{"id":"https://openalex.org/keywords/modulation","display_name":"Modulation (music)","score":0.4123644530773163},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.38282597064971924},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3335413932800293},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.2987498641014099},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.24451202154159546},{"id":"https://openalex.org/keywords/arithmetic","display_name":"Arithmetic","score":0.21291092038154602},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2034335732460022},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.18987613916397095},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.14529967308044434}],"concepts":[{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.6607574820518494},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.6391388773918152},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.5430570840835571},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.4868456721305847},{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.4790043532848358},{"id":"https://openalex.org/C45357846","wikidata":"https://www.wikidata.org/wiki/Q2001982","display_name":"Notation","level":2,"score":0.4572224020957947},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4404960572719574},{"id":"https://openalex.org/C2776542216","wikidata":"https://www.wikidata.org/wiki/Q6398306","display_name":"Keying","level":2,"score":0.4381812810897827},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.430447518825531},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4148671329021454},{"id":"https://openalex.org/C123079801","wikidata":"https://www.wikidata.org/wiki/Q750240","display_name":"Modulation (music)","level":2,"score":0.4123644530773163},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.38282597064971924},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3335413932800293},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.2987498641014099},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.24451202154159546},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"score":0.21291092038154602},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2034335732460022},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.18987613916397095},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.14529967308044434},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C107038049","wikidata":"https://www.wikidata.org/wiki/Q35986","display_name":"Aesthetics","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/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tvt.2022.3173675","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2022.3173675","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"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 Vehicular Technology","raw_type":"journal-article"},{"id":"pmh:oai:dr.ntu.edu.sg:10356/163810","is_oa":false,"landing_page_url":"https://hdl.handle.net/10356/163810","pdf_url":null,"source":{"id":"https://openalex.org/S4306402609","display_name":"DR-NTU (Nanyang Technological University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I172675005","host_organization_name":"Nanyang Technological University","host_organization_lineage":["https://openalex.org/I172675005"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2331829621","display_name":null,"funder_award_id":"61801128","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6994549649","display_name":null,"funder_award_id":"2021XSLT020","funder_id":"https://openalex.org/F4320326279","funder_display_name":"Department of Education of Guangdong Province"},{"id":"https://openalex.org/G8081261548","display_name":null,"funder_award_id":"62071129","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"},{"id":"https://openalex.org/F4320326279","display_name":"Department of Education of Guangdong Province","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W1522045078","https://openalex.org/W1970238035","https://openalex.org/W2128295617","https://openalex.org/W2138049984","https://openalex.org/W2153779669","https://openalex.org/W2273675851","https://openalex.org/W2795262473","https://openalex.org/W2809209059","https://openalex.org/W2981455641","https://openalex.org/W3005347223","https://openalex.org/W3038066973","https://openalex.org/W3042013116","https://openalex.org/W3089873796","https://openalex.org/W3129486236","https://openalex.org/W3133012246","https://openalex.org/W3133254356","https://openalex.org/W3155699390","https://openalex.org/W3171982046","https://openalex.org/W3175772452","https://openalex.org/W3175951800"],"related_works":["https://openalex.org/W2548963335","https://openalex.org/W2159941915","https://openalex.org/W2962882802","https://openalex.org/W2913058682","https://openalex.org/W3174363756","https://openalex.org/W4205972039","https://openalex.org/W1998143515","https://openalex.org/W2782551494","https://openalex.org/W2110387803","https://openalex.org/W1969053950"],"abstract_inverted_index":{"Although":[0],"LoRa":[1,39,93,144,148],"modulation":[2],"can":[3],"achieve":[4],"low-power":[5],"and":[6,95,119,131,146],"long-range":[7],"transmission,":[8],"its":[9,21],"performance":[10,140],"is":[11,42,74,83],"significantly":[12],"affected":[13],"by":[14,56],"fading":[15,113],"channels.":[16,114],"On":[17],"the":[18,26,48,52,77,87,91,109,112,116,123,136,142],"other":[19],"hand,":[20],"low":[22],"data":[23],"rate":[24],"limits":[25],"capacity.":[27],"To":[28],"mitigate":[29],"these":[30],"disadvantages,":[31],"a":[32,70],"new":[33,81],"reconfigurable":[34],"intelligent":[35],"surface":[36],"(RIS)":[37],"assisted":[38],"uplink":[40],"system":[41,82,94,124,137,145],"proposed":[43,78],"in":[44,127],"this":[45],"paper,":[46],"where":[47],"reflection":[49],"coefficients":[50],"of":[51,90,100,111,122],"RIS":[53],"are":[54,125],"generated":[55],"utilizing":[57],"an":[58],"<inline-formula":[59,101],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[60,102],"xmlns:xlink=\"http://www.w3.org/1999/xlink\"><tex-math":[61,103],"notation=\"LaTeX\">$M$</tex-math></inline-formula>":[62],"-ary":[63],"differential":[64],"phase":[65],"shift":[66],"keying":[67],"modulator.":[68],"Moreover,":[69],"low-complexity":[71],"non-coherent":[72,88],"receiver":[73],"designed":[75],"for":[76],"system.":[79,149],"The":[80],"able":[84],"to":[85],"inherit":[86],"detection":[89],"conventional":[92,143],"also":[96],"transmit":[97],"additional":[98],"information":[99],"notation=\"LaTeX\">$\\log":[104],"_{2}{M}$</tex-math></inline-formula>":[105],"bits":[106],"while":[107],"reducing":[108],"impact":[110],"Furthermore,":[115],"bit-error-rate,":[117],"symbol-error-rate":[118],"throughput":[120],"expressions":[121],"derived":[126],"closed":[128],"form.":[129],"Theoretical":[130],"simulated":[132],"results":[133],"show":[134],"that":[135],"has":[138],"better":[139],"than":[141],"single-relay":[147]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":4}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}
