{"id":"https://openalex.org/W3036943984","doi":"https://doi.org/10.1109/wcnc45663.2020.9120479","title":"Two\u2013Way Communications via Reconfigurable Intelligent Surface","display_name":"Two\u2013Way Communications via Reconfigurable Intelligent Surface","publication_year":2020,"publication_date":"2020-05-01","ids":{"openalex":"https://openalex.org/W3036943984","doi":"https://doi.org/10.1109/wcnc45663.2020.9120479","mag":"3036943984"},"language":"en","primary_location":{"id":"doi:10.1109/wcnc45663.2020.9120479","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc45663.2020.9120479","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 IEEE Wireless Communications and Networking Conference (WCNC)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://hdl.handle.net/11343/241455","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5088812297","display_name":"Saman Atapattu","orcid":"https://orcid.org/0000-0002-1413-6393"},"institutions":[{"id":"https://openalex.org/I165779595","display_name":"University of Melbourne","ror":"https://ror.org/01ej9dk98","country_code":"AU","type":"education","lineage":["https://openalex.org/I165779595"]}],"countries":["AU"],"is_corresponding":true,"raw_author_name":"Saman Atapattu","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, University of Melbourne, Victoria, Australia"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, University of Melbourne, Victoria, Australia","institution_ids":["https://openalex.org/I165779595"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085947862","display_name":"Rongfei Fan","orcid":"https://orcid.org/0000-0001-8782-0615"},"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":"Rongfei Fan","raw_affiliation_strings":["School of Information and Electronics, Beijing Institute of Technology, Beijing, P. R. China"],"affiliations":[{"raw_affiliation_string":"School of Information and Electronics, Beijing Institute of Technology, Beijing, P. R. China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5070792843","display_name":"Prathapasinghe Dharmawansa","orcid":"https://orcid.org/0000-0001-7307-9264"},"institutions":[{"id":"https://openalex.org/I195740183","display_name":"University of Moratuwa","ror":"https://ror.org/0491f5305","country_code":"LK","type":"education","lineage":["https://openalex.org/I195740183"]}],"countries":["LK"],"is_corresponding":false,"raw_author_name":"Prathapasinghe Dharmawansa","raw_affiliation_strings":["Department of Electronic and Telecomm. Engineering, University of Moratuwa, Moratuwa, Sri Lanka"],"affiliations":[{"raw_affiliation_string":"Department of Electronic and Telecomm. Engineering, University of Moratuwa, Moratuwa, Sri Lanka","institution_ids":["https://openalex.org/I195740183"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019932727","display_name":"Gongpu Wang","orcid":"https://orcid.org/0000-0001-5346-3162"},"institutions":[{"id":"https://openalex.org/I21193070","display_name":"Beijing Jiaotong University","ror":"https://ror.org/01yj56c84","country_code":"CN","type":"education","lineage":["https://openalex.org/I21193070"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Gongpu Wang","raw_affiliation_strings":["School of Computer and Information Technology, Beijing Jiaotong University, Beijing, P. R. China"],"affiliations":[{"raw_affiliation_string":"School of Computer and Information Technology, Beijing Jiaotong University, Beijing, P. R. China","institution_ids":["https://openalex.org/I21193070"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5048388477","display_name":"Jamie Evans","orcid":"https://orcid.org/0000-0003-4637-1037"},"institutions":[{"id":"https://openalex.org/I165779595","display_name":"University of Melbourne","ror":"https://ror.org/01ej9dk98","country_code":"AU","type":"education","lineage":["https://openalex.org/I165779595"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Jamie Evans","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, University of Melbourne, Victoria, Australia"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, University of Melbourne, Victoria, Australia","institution_ids":["https://openalex.org/I165779595"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5088812297"],"corresponding_institution_ids":["https://openalex.org/I165779595"],"apc_list":null,"apc_paid":null,"fwci":0.933,"has_fulltext":true,"cited_by_count":15,"citation_normalized_percentile":{"value":0.74550589,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":93,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":1.0,"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":1.0,"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/T10069","display_name":"Antenna Design and Analysis","score":0.9833999872207642,"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9799000024795532,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.842786967754364},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.6822700500488281},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5991008281707764},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.5611640810966492},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.552112877368927},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.46964213252067566},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.3809082806110382},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.34135347604751587},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.273916631937027},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.15557673573493958},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.13736101984977722},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.130712628364563}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.842786967754364},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.6822700500488281},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5991008281707764},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.5611640810966492},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.552112877368927},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.46964213252067566},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.3809082806110382},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.34135347604751587},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.273916631937027},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.15557673573493958},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.13736101984977722},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.130712628364563}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/wcnc45663.2020.9120479","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc45663.2020.9120479","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 IEEE Wireless Communications and Networking Conference (WCNC)","raw_type":"proceedings-article"},{"id":"pmh:oai:jupiter.its.unimelb.edu.au:11343/241455","is_oa":true,"landing_page_url":"http://hdl.handle.net/11343/241455","pdf_url":"http://hdl.handle.net/11343/241455","source":{"id":"https://openalex.org/S4377196259","display_name":"Minerva Access (University of Melbourne)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I165779595","host_organization_name":"The University of Melbourne","host_organization_lineage":["https://openalex.org/I165779595"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"2020 IEEE Wireless Communications and Networking Conference (WCNC)","raw_type":"Conference Paper"}],"best_oa_location":{"id":"pmh:oai:jupiter.its.unimelb.edu.au:11343/241455","is_oa":true,"landing_page_url":"http://hdl.handle.net/11343/241455","pdf_url":"http://hdl.handle.net/11343/241455","source":{"id":"https://openalex.org/S4377196259","display_name":"Minerva Access (University of Melbourne)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I165779595","host_organization_name":"The University of Melbourne","host_organization_lineage":["https://openalex.org/I165779595"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"2020 IEEE Wireless Communications and Networking Conference (WCNC)","raw_type":"Conference Paper"},"sustainable_development_goals":[{"score":0.8399999737739563,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3036943984.pdf","grobid_xml":"https://content.openalex.org/works/W3036943984.grobid-xml"},"referenced_works_count":18,"referenced_works":["https://openalex.org/W1972485395","https://openalex.org/W1998892986","https://openalex.org/W2030835564","https://openalex.org/W2079882399","https://openalex.org/W2147601077","https://openalex.org/W2752065249","https://openalex.org/W2891354184","https://openalex.org/W2896837988","https://openalex.org/W2945534522","https://openalex.org/W2950077417","https://openalex.org/W2950680381","https://openalex.org/W2953226670","https://openalex.org/W2963121727","https://openalex.org/W2963355537","https://openalex.org/W2968810373","https://openalex.org/W2981174761","https://openalex.org/W2997056960","https://openalex.org/W6765354971"],"related_works":["https://openalex.org/W2062000094","https://openalex.org/W1795998636","https://openalex.org/W3191865878","https://openalex.org/W2491463191","https://openalex.org/W2894462520","https://openalex.org/W9034678","https://openalex.org/W2097585493","https://openalex.org/W2071039466","https://openalex.org/W2942622596","https://openalex.org/W2291873901"],"abstract_inverted_index":{"The":[0],"novel":[1],"reconfigurable":[2,34],"intelligent":[3,35],"surface":[4],"(RIS)":[5],"is":[6,140],"an":[7],"emerging":[8],"technology":[9],"which":[10],"facilitates":[11],"high":[12],"spectrum":[13],"and":[14,20,50,57,80,107,115],"energy":[15],"efficiencies":[16],"in":[17,84],"Beyond":[18],"5G":[19],"6G":[21],"wireless":[22],"communication":[23,52],"applications.":[24],"Against":[25],"this":[26,28],"backdrop,":[27],"paper":[29],"investigates":[30],"two-way":[31],"communications":[32],"via":[33],"surfaces":[36],"(RISs)":[37],"where":[38,138],"two":[39,55],"users":[40,56],"communicate":[41],"through":[42],"a":[43,96,101],"common":[44],"RIS.":[45,72,88],"We":[46,63,73],"assume":[47],"that":[48,130],"uplink":[49],"downlink":[51],"channels":[53],"between":[54],"the":[58,66,71,76,81,112,116,131,135,141,146,150],"RIS":[59],"can":[60],"be":[61],"reciprocal.":[62],"first":[64,94],"obtain":[65],"optimal":[67],"phase":[68],"adjustment":[69],"at":[70,134],"then":[74,108],"derive":[75,109],"exact":[77],"outage":[78,113,132],"probability":[79,114],"average":[82,117,121],"throughput":[83,147],"closed-forms":[85],"for":[86,111],"single-element":[87],"To":[89],"evaluate":[90],"multiple-element":[91],"RIS,":[92],"we":[93],"introduce":[95],"gamma":[97],"approximation":[98],"to":[99],"model":[100],"product":[102],"of":[103,143],"Rayleigh":[104],"random":[105],"variables,":[106],"approximations":[110],"throughput.":[118],"For":[119],"large":[120],"signal-to-interference-plus-noise":[122],"ratio":[123],"(SINR)":[124],"$\\rho$,":[125],"asymptotic":[126],"analXsis":[127],"also":[128],"shows":[129],"decreases":[133],"rate":[136,151],"$(\\log(\\rho)/\\rho)$":[137],"L":[139],"number":[142],"elements,":[144],"whereas":[145],"increases":[148],"with":[149],"$\\log(\\rho)$.":[152]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":2}],"updated_date":"2026-03-10T16:38:18.471706","created_date":"2025-10-10T00:00:00"}