{"id":"https://openalex.org/W3022803879","doi":"https://doi.org/10.1109/twc.2021.3054841","title":"Downlink and Uplink Intelligent Reflecting Surface Aided Networks: NOMA and OMA","display_name":"Downlink and Uplink Intelligent Reflecting Surface Aided Networks: NOMA and OMA","publication_year":2021,"publication_date":"2021-02-03","ids":{"openalex":"https://openalex.org/W3022803879","doi":"https://doi.org/10.1109/twc.2021.3054841","mag":"3022803879"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2021.3054841","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2021.3054841","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"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 Wireless Communications","raw_type":"journal-article"},"type":"article","indexed_in":["arxiv","crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2005.00996","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Yanyu Cheng","orcid":"https://orcid.org/0000-0001-9104-9376"},"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":"Yanyu Cheng","raw_affiliation_strings":["School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore"],"raw_orcid":"https://orcid.org/0000-0001-9104-9376","affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Kwok Hung Li","orcid":"https://orcid.org/0000-0003-1570-250X"},"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":"Kwok Hung Li","raw_affiliation_strings":["School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore"],"raw_orcid":"https://orcid.org/0000-0003-1570-250X","affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Yuanwei Liu","orcid":"https://orcid.org/0000-0002-6389-8941"},"institutions":[{"id":"https://openalex.org/I166337079","display_name":"Queen Mary University of London","ror":"https://ror.org/026zzn846","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I166337079"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Yuanwei Liu","raw_affiliation_strings":["School of Electronic Engineering and Computer Science, Queen Mary University of London, London, U.K"],"raw_orcid":"https://orcid.org/0000-0002-6389-8941","affiliations":[{"raw_affiliation_string":"School of Electronic Engineering and Computer Science, Queen Mary University of London, London, U.K","institution_ids":["https://openalex.org/I166337079"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Kah Chan Teh","orcid":"https://orcid.org/0000-0002-1973-2565"},"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":"Kah Chan Teh","raw_affiliation_strings":["School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore"],"raw_orcid":"https://orcid.org/0000-0002-1973-2565","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":null,"display_name":"H. Vincent Poor","orcid":"https://orcid.org/0000-0002-2062-131X"},"institutions":[{"id":"https://openalex.org/I20089843","display_name":"Princeton University","ror":"https://ror.org/00hx57361","country_code":"US","type":"education","lineage":["https://openalex.org/I20089843"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"H. Vincent Poor","raw_affiliation_strings":["Department of Electrical Engineering, Princeton University, Princeton, NJ, USA"],"raw_orcid":"https://orcid.org/0000-0002-2062-131X","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Princeton University, Princeton, NJ, USA","institution_ids":["https://openalex.org/I20089843"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":17.0139,"has_fulltext":false,"cited_by_count":232,"citation_normalized_percentile":{"value":0.99616098,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":100},"biblio":{"volume":"20","issue":"6","first_page":"3988","last_page":"4000"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9993000030517578,"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":0.9993000030517578,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":9.999999747378752e-05,"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/T10851","display_name":"Optical Wireless Communication Technologies","score":9.999999747378752e-05,"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/telecommunications-link","display_name":"Telecommunications link","score":0.9463000297546387},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.838100016117096},{"id":"https://openalex.org/keywords/noma","display_name":"Noma","score":0.8118000030517578},{"id":"https://openalex.org/keywords/nakagami-distribution","display_name":"Nakagami distribution","score":0.7027999758720398},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.6840999722480774},{"id":"https://openalex.org/keywords/ergodic-theory","display_name":"Ergodic theory","score":0.5633000135421753},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.4927000105381012},{"id":"https://openalex.org/keywords/diversity-gain","display_name":"Diversity gain","score":0.4198000133037567}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.9463000297546387},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.838100016117096},{"id":"https://openalex.org/C2775918612","wikidata":"https://www.wikidata.org/wiki/Q994794","display_name":"Noma","level":3,"score":0.8118000030517578},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7113000154495239},{"id":"https://openalex.org/C115098869","wikidata":"https://www.wikidata.org/wiki/Q3258347","display_name":"Nakagami distribution","level":4,"score":0.7027999758720398},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.6840999722480774},{"id":"https://openalex.org/C122044880","wikidata":"https://www.wikidata.org/wiki/Q5498822","display_name":"Ergodic theory","level":2,"score":0.5633000135421753},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.49570000171661377},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.4927000105381012},{"id":"https://openalex.org/C164785522","wikidata":"https://www.wikidata.org/wiki/Q5283966","display_name":"Diversity gain","level":4,"score":0.4198000133037567},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4174000024795532},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.38499999046325684},{"id":"https://openalex.org/C31243852","wikidata":"https://www.wikidata.org/wiki/Q1666739","display_name":"Stochastic geometry","level":2,"score":0.3792000114917755},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.3172000050544739},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.31360000371932983},{"id":"https://openalex.org/C2778258436","wikidata":"https://www.wikidata.org/wiki/Q30672262","display_name":"Outage probability","level":4,"score":0.31200000643730164},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.30889999866485596},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.3050999939441681},{"id":"https://openalex.org/C101765175","wikidata":"https://www.wikidata.org/wiki/Q577764","display_name":"Communications system","level":2,"score":0.28839999437332153},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.28540000319480896},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.28519999980926514},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.2669999897480011},{"id":"https://openalex.org/C136817519","wikidata":"https://www.wikidata.org/wiki/Q947493","display_name":"Diversity combining","level":4,"score":0.26510000228881836}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/twc.2021.3054841","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2021.3054841","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"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 Wireless Communications","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:2005.00996","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2005.00996","pdf_url":"https://arxiv.org/pdf/2005.00996","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"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":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"pmh:oai:hub.hku.hk:10722/349528","is_oa":false,"landing_page_url":"https://hub.hku.hk/handle/10722/349528","pdf_url":null,"source":{"id":"https://openalex.org/S4377196271","display_name":"The HKU Scholars Hub (University of Hong Kong)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I889458895","host_organization_name":"University of Hong Kong","host_organization_lineage":["https://openalex.org/I889458895"],"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":"Article"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2005.00996","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2005.00996","pdf_url":"https://arxiv.org/pdf/2005.00996","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"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":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G399861340","display_name":"\u667a\u80fd\u53cd\u5c04\u9762\u8f85\u52a9\u7684\u529f\u7387\u57dfNOMA\u7f51\u7edc\u7269\u7406\u5c42\u5b89\u5168\u901a\u4fe1\u7814\u7a76","funder_award_id":"62071052","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7920959503","display_name":null,"funder_award_id":"CCF-1908308","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320320766","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302"},{"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":45,"referenced_works":["https://openalex.org/W2142022446","https://openalex.org/W2181292907","https://openalex.org/W2340398802","https://openalex.org/W2509696551","https://openalex.org/W2522880951","https://openalex.org/W2566155463","https://openalex.org/W2613564606","https://openalex.org/W2791035328","https://openalex.org/W2937693915","https://openalex.org/W2945534522","https://openalex.org/W2948573205","https://openalex.org/W2950077417","https://openalex.org/W2950680381","https://openalex.org/W2962683916","https://openalex.org/W2963336322","https://openalex.org/W2969424089","https://openalex.org/W2973751828","https://openalex.org/W2980526710","https://openalex.org/W2981792785","https://openalex.org/W2990747873","https://openalex.org/W2994742101","https://openalex.org/W2995554704","https://openalex.org/W2996313530","https://openalex.org/W2999318310","https://openalex.org/W2999373166","https://openalex.org/W3001613668","https://openalex.org/W3001977108","https://openalex.org/W3003553362","https://openalex.org/W3004643338","https://openalex.org/W3005476696","https://openalex.org/W3006962285","https://openalex.org/W3011154968","https://openalex.org/W3013719647","https://openalex.org/W3022663626","https://openalex.org/W3027460437","https://openalex.org/W3035049807","https://openalex.org/W3036604634","https://openalex.org/W3037231455","https://openalex.org/W3039402952","https://openalex.org/W3040349383","https://openalex.org/W3095415448","https://openalex.org/W6761393245","https://openalex.org/W6767675023","https://openalex.org/W6769994900","https://openalex.org/W6789206221"],"related_works":[],"abstract_inverted_index":{"Intelligent":[0],"reflecting":[1,136],"surfaces":[2],"(IRSs)":[3],"are":[4,33,79,94,112],"envisioned":[5],"to":[6,41,52,115,149],"provide":[7],"reconfigurable":[8],"wireless":[9],"environments":[10],"for":[11,87,109],"future":[12],"communication":[13],"networks.":[14],"In":[15],"this":[16],"paper,":[17],"both":[18],"downlink":[19],"and":[20,27,91,103,138,157],"uplink":[21],"IRS-aided":[22],"non-orthogonal":[23],"multiple":[24,29],"access":[25,30],"(NOMA)":[26],"orthogonal":[28],"(OMA)":[31],"networks":[32],"studied,":[34],"in":[35,118],"which":[36],"an":[37],"IRS":[38,135,163],"is":[39,123,129,146],"deployed":[40],"enhance":[42],"the":[43,55,67,84,88,100,119,126,132,143,159,162,165],"coverage":[44],"by":[45,131],"assisting":[46],"a":[47],"cell-edge":[48],"user":[49],"device":[50],"(UD)":[51],"communicate":[53],"with":[54,70],"base":[56],"station":[57],"(BS).":[58],"To":[59,96],"characterize":[60],"system":[61],"performance,":[62],"new":[63],"channel":[64],"statistics":[65],"of":[66,134,161],"BS-IRS-UD":[68],"link":[69],"Nakagami-":[71],"<inline-formula":[72],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[73],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">":[74],"<tex-math":[75],"notation=\"LaTeX\">$m$":[76],"</tex-math></inline-formula>":[77],"fading":[78,140],"investigated.":[80],"For":[81],"each":[82,110],"scenario,":[83],"closed-form":[85],"expressions":[86],"outage":[89],"probability":[90],"ergodic":[92],"rate":[93],"derived.":[95],"gain":[97],"further":[98],"insight,":[99],"diversity":[101,127],"order":[102,128],"high":[104],"signal-to-noise":[105],"ratio":[106],"(SNR)":[107],"slope":[108,145],"scenario":[111],"obtained":[113],"according":[114],"asymptotic":[116],"approximations":[117],"high-SNR":[120,144],"regime.":[121],"It":[122],"demonstrated":[124],"that":[125],"affected":[130],"number":[133],"elements":[137],"Nakagami":[139],"parameters,":[141],"but":[142],"not":[147],"related":[148],"these":[150],"parameters.":[151],"Simulation":[152],"results":[153],"validate":[154],"our":[155],"analysis":[156],"reveal":[158],"superiority":[160],"over":[164],"full-duplex":[166],"decode-and-forward":[167],"relay.":[168]},"counts_by_year":[{"year":2026,"cited_by_count":13},{"year":2025,"cited_by_count":45},{"year":2024,"cited_by_count":47},{"year":2023,"cited_by_count":57},{"year":2022,"cited_by_count":57},{"year":2021,"cited_by_count":12},{"year":2020,"cited_by_count":1}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2020-05-13T00:00:00"}
