{"id":"https://openalex.org/W4327663272","doi":"https://doi.org/10.1109/lwc.2023.3257845","title":"Downlink Multi-IRS Aided NOMA System With Second-Order Reflection","display_name":"Downlink Multi-IRS Aided NOMA System With Second-Order Reflection","publication_year":2023,"publication_date":"2023-03-16","ids":{"openalex":"https://openalex.org/W4327663272","doi":"https://doi.org/10.1109/lwc.2023.3257845"},"language":"en","primary_location":{"id":"doi:10.1109/lwc.2023.3257845","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2023.3257845","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"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 Wireless 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/A5001955372","display_name":"Hong Wang","orcid":"https://orcid.org/0000-0002-9539-9194"},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]},{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Hong Wang","raw_affiliation_strings":["School of Communication and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing, China","National Mobile Communications Research Laboratory, Southeast University, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"School of Communication and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing, China","institution_ids":["https://openalex.org/I41198531"]},{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5070982416","display_name":"Zheng Shi","orcid":"https://orcid.org/0000-0003-3531-9217"},"institutions":[{"id":"https://openalex.org/I159948400","display_name":"Jinan University","ror":"https://ror.org/02xe5ns62","country_code":"CN","type":"education","lineage":["https://openalex.org/I159948400"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zheng Shi","raw_affiliation_strings":["School of Intelligent Systems Science and Engineering, Jinan University, Zhuhai, China"],"affiliations":[{"raw_affiliation_string":"School of Intelligent Systems Science and Engineering, Jinan University, Zhuhai, China","institution_ids":["https://openalex.org/I159948400"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034028474","display_name":"Yaru Fu","orcid":"https://orcid.org/0000-0002-6139-7414"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yaru Fu","raw_affiliation_strings":["School of Science and Technology, Hong Kong Metropolitan University, Hong Kong, China"],"affiliations":[{"raw_affiliation_string":"School of Science and Technology, Hong Kong Metropolitan University, Hong Kong, China","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5054278847","display_name":"Rongfang Song","orcid":"https://orcid.org/0000-0002-8170-3618"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]},{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Rongfang Song","raw_affiliation_strings":["School of Communication and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing, China","National Mobile Communications Research Laboratory, Southeast University, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"School of Communication and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing, China","institution_ids":["https://openalex.org/I41198531"]},{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5001955372"],"corresponding_institution_ids":["https://openalex.org/I41198531","https://openalex.org/I76569877"],"apc_list":null,"apc_paid":null,"fwci":1.4727,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.81557461,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"12","issue":"6","first_page":"1022","last_page":"1026"},"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/T10851","display_name":"Optical Wireless Communication Technologies","score":0.9782999753952026,"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":0.9557999968528748,"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":0.8464813232421875},{"id":"https://openalex.org/keywords/noma","display_name":"Noma","score":0.7577071785926819},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7059354782104492},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.6391347050666809},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.5572799444198608},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.5274978876113892},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.5233497023582458},{"id":"https://openalex.org/keywords/joint","display_name":"Joint (building)","score":0.4821150302886963},{"id":"https://openalex.org/keywords/reflection","display_name":"Reflection (computer programming)","score":0.458863228559494},{"id":"https://openalex.org/keywords/phase","display_name":"Phase (matter)","score":0.4516918659210205},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.447553426027298},{"id":"https://openalex.org/keywords/convex-optimization","display_name":"Convex optimization","score":0.43952158093452454},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.43302828073501587},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4065241813659668},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3409181237220764},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.26729631423950195},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.25206297636032104},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.21649906039237976},{"id":"https://openalex.org/keywords/regular-polygon","display_name":"Regular polygon","score":0.19726359844207764},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.12368002533912659},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.10867780447006226}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.8464813232421875},{"id":"https://openalex.org/C2775918612","wikidata":"https://www.wikidata.org/wiki/Q994794","display_name":"Noma","level":3,"score":0.7577071785926819},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7059354782104492},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.6391347050666809},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.5572799444198608},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.5274978876113892},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.5233497023582458},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.4821150302886963},{"id":"https://openalex.org/C65682993","wikidata":"https://www.wikidata.org/wiki/Q1056451","display_name":"Reflection (computer programming)","level":2,"score":0.458863228559494},{"id":"https://openalex.org/C44280652","wikidata":"https://www.wikidata.org/wiki/Q104837","display_name":"Phase (matter)","level":2,"score":0.4516918659210205},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.447553426027298},{"id":"https://openalex.org/C157972887","wikidata":"https://www.wikidata.org/wiki/Q463359","display_name":"Convex optimization","level":3,"score":0.43952158093452454},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.43302828073501587},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4065241813659668},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3409181237220764},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.26729631423950195},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.25206297636032104},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.21649906039237976},{"id":"https://openalex.org/C112680207","wikidata":"https://www.wikidata.org/wiki/Q714886","display_name":"Regular polygon","level":2,"score":0.19726359844207764},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.12368002533912659},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.10867780447006226},{"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/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/C170154142","wikidata":"https://www.wikidata.org/wiki/Q150737","display_name":"Architectural engineering","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lwc.2023.3257845","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2023.3257845","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"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 Wireless Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8399999737739563,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[{"id":"https://openalex.org/G1582091940","display_name":null,"funder_award_id":"2019M660126","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G2438757654","display_name":null,"funder_award_id":"BX20180143","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G3302929019","display_name":null,"funder_award_id":"2023D01","funder_id":"https://openalex.org/F4320336270","funder_display_name":"National Mobile Communications Research Laboratory, Southeast University"},{"id":"https://openalex.org/G5753701396","display_name":null,"funder_award_id":"62171237","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7020000647","display_name":null,"funder_award_id":"2023A1515010900","funder_id":"https://openalex.org/F4320337111","funder_display_name":"Basic and Applied Basic Research Foundation of Guangdong Province"},{"id":"https://openalex.org/G7768107564","display_name":null,"funder_award_id":"62171200","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/F4320321543","display_name":"China Postdoctoral Science Foundation","ror":"https://ror.org/0426zh255"},{"id":"https://openalex.org/F4320327794","display_name":"Qinglan Project of Jiangsu Province of China","ror":null},{"id":"https://openalex.org/F4320336270","display_name":"National Mobile Communications Research Laboratory, Southeast University","ror":null},{"id":"https://openalex.org/F4320337111","display_name":"Basic and Applied Basic Research Foundation of Guangdong Province","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W3015594231","https://openalex.org/W3081766336","https://openalex.org/W3088226458","https://openalex.org/W3095076735","https://openalex.org/W3096401097","https://openalex.org/W3120094264","https://openalex.org/W3120286207","https://openalex.org/W3129486236","https://openalex.org/W3132406383","https://openalex.org/W3164665462","https://openalex.org/W3190725938","https://openalex.org/W3206124651","https://openalex.org/W4250589301","https://openalex.org/W4285230690","https://openalex.org/W4301657906"],"related_works":["https://openalex.org/W2160044169","https://openalex.org/W3021171826","https://openalex.org/W4213403199","https://openalex.org/W3185837504","https://openalex.org/W3042598716","https://openalex.org/W4327663272","https://openalex.org/W3145680184","https://openalex.org/W4200294803","https://openalex.org/W4321636810","https://openalex.org/W4386025741"],"abstract_inverted_index":{"The":[0],"performance":[1],"of":[2,14,23,56,134],"non-orthogonal":[3],"multiple":[4],"access":[5],"(NOMA)":[6],"system":[7,52],"can":[8],"be":[9],"enhanced":[10],"by":[11],"the":[12,21,31,54,75,78,87,103,115,123],"incorporation":[13],"intelligent":[15],"reflecting":[16],"surface":[17],"(IRS),":[18],"which":[19],"has":[20],"capability":[22],"reconfiguring":[24],"each":[25,82],"user\u2019s":[26,83],"channel":[27],"condition":[28],"according":[29],"to":[30,38,113],"demands.":[32],"In":[33],"this":[34,60],"letter,":[35],"we":[36],"aim":[37],"design":[39],"a":[40,62,94,107],"transmission":[41],"scheme":[42,125],"with":[43,53],"low":[44],"power":[45,65],"consumption":[46],"for":[47],"downlink":[48],"multi-IRS":[49],"assisted":[50],"NOMA":[51],"consideration":[55],"second-order":[57],"reflection.":[58],"To":[59,100],"end,":[61],"joint":[63,88],"transmit":[64,85,136],"and":[66,81],"phase":[67,79,96,116],"shift":[68,97],"optimization":[69,98],"problem":[70,90],"is":[71,91,111],"formulated.":[72],"By":[73],"leveraging":[74],"relationship":[76],"between":[77],"shifts":[80,117],"required":[84],"power,":[86],"minimization":[89],"simplified":[92],"as":[93],"pure":[95],"problem.":[99],"further":[101],"address":[102],"transformed":[104],"non-convex":[105],"problem,":[106],"successive":[108],"phase-rotation":[109],"method":[110],"proposed":[112,124],"determine":[114],"sequentially.":[118],"Simulation":[119],"results":[120],"show":[121],"that":[122],"performs":[126],"better":[127],"than":[128],"extensive":[129],"benchmarking":[130],"schemes":[131],"in":[132],"terms":[133],"total":[135],"power.":[137]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}