{"id":"https://openalex.org/W4385800818","doi":"https://doi.org/10.1109/vtc2023-spring57618.2023.10199485","title":"User Scheduling and Passive Beamforming for FDMA/OFDMA in Intelligent Reflection Surface","display_name":"User Scheduling and Passive Beamforming for FDMA/OFDMA in Intelligent Reflection Surface","publication_year":2023,"publication_date":"2023-06-01","ids":{"openalex":"https://openalex.org/W4385800818","doi":"https://doi.org/10.1109/vtc2023-spring57618.2023.10199485"},"language":"en","primary_location":{"id":"doi:10.1109/vtc2023-spring57618.2023.10199485","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtc2023-spring57618.2023.10199485","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 IEEE 97th Vehicular Technology Conference (VTC2023-Spring)","raw_type":"proceedings-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/A5059828821","display_name":"Wei Jiang","orcid":"https://orcid.org/0000-0002-3719-3710"},"institutions":[{"id":"https://openalex.org/I33256026","display_name":"German Research Centre for Artificial Intelligence","ror":"https://ror.org/01ayc5b57","country_code":"DE","type":"funder","lineage":["https://openalex.org/I33256026"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Wei Jiang","raw_affiliation_strings":["German Research Center for Artificial Intelligence (DFKI),Intelligent Networking Research Group","Intelligent Networking Research Group, German Research Center for Artificial Intelligence (DFKI)"],"affiliations":[{"raw_affiliation_string":"German Research Center for Artificial Intelligence (DFKI),Intelligent Networking Research Group","institution_ids":["https://openalex.org/I33256026"]},{"raw_affiliation_string":"Intelligent Networking Research Group, German Research Center for Artificial Intelligence (DFKI)","institution_ids":["https://openalex.org/I33256026"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5008473850","display_name":"Hans D. Schotten","orcid":"https://orcid.org/0000-0001-5005-3635"},"institutions":[{"id":"https://openalex.org/I33256026","display_name":"German Research Centre for Artificial Intelligence","ror":"https://ror.org/01ayc5b57","country_code":"DE","type":"funder","lineage":["https://openalex.org/I33256026"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Hans D. Schotten","raw_affiliation_strings":["German Research Center for Artificial Intelligence (DFKI),Intelligent Networking Research Group","Intelligent Networking Research Group, German Research Center for Artificial Intelligence (DFKI)"],"affiliations":[{"raw_affiliation_string":"German Research Center for Artificial Intelligence (DFKI),Intelligent Networking Research Group","institution_ids":["https://openalex.org/I33256026"]},{"raw_affiliation_string":"Intelligent Networking Research Group, German Research Center for Artificial Intelligence (DFKI)","institution_ids":["https://openalex.org/I33256026"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5059828821"],"corresponding_institution_ids":["https://openalex.org/I33256026"],"apc_list":null,"apc_paid":null,"fwci":1.7404,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.847366,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":99},"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":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/T11383","display_name":"Advanced Antenna and Metasurface Technologies","score":0.9675999879837036,"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/T11192","display_name":"Underwater Vehicles and Communication Systems","score":0.9455999732017517,"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/frequency-division-multiple-access","display_name":"Frequency-division multiple access","score":0.8257036805152893},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.7637335062026978},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7304403185844421},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiple-access","display_name":"Orthogonal frequency-division multiple access","score":0.5697836875915527},{"id":"https://openalex.org/keywords/scheduling","display_name":"Scheduling (production processes)","score":0.5552430748939514},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.5289602279663086},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.49490541219711304},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.489670068025589},{"id":"https://openalex.org/keywords/multi-user","display_name":"Multi-user","score":0.4524671733379364},{"id":"https://openalex.org/keywords/reflection","display_name":"Reflection (computer programming)","score":0.4303264319896698},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.41501760482788086},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.35950446128845215},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3352499008178711},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.27968400716781616},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.18501368165016174},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.15320366621017456}],"concepts":[{"id":"https://openalex.org/C2776208322","wikidata":"https://www.wikidata.org/wiki/Q844071","display_name":"Frequency-division multiple access","level":4,"score":0.8257036805152893},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.7637335062026978},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7304403185844421},{"id":"https://openalex.org/C2775907427","wikidata":"https://www.wikidata.org/wiki/Q2697649","display_name":"Orthogonal frequency-division multiple access","level":4,"score":0.5697836875915527},{"id":"https://openalex.org/C206729178","wikidata":"https://www.wikidata.org/wiki/Q2271896","display_name":"Scheduling (production processes)","level":2,"score":0.5552430748939514},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.5289602279663086},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.49490541219711304},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.489670068025589},{"id":"https://openalex.org/C2778002699","wikidata":"https://www.wikidata.org/wiki/Q876057","display_name":"Multi-user","level":2,"score":0.4524671733379364},{"id":"https://openalex.org/C65682993","wikidata":"https://www.wikidata.org/wiki/Q1056451","display_name":"Reflection (computer programming)","level":2,"score":0.4303264319896698},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.41501760482788086},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.35950446128845215},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3352499008178711},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.27968400716781616},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.18501368165016174},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.15320366621017456},{"id":"https://openalex.org/C21547014","wikidata":"https://www.wikidata.org/wiki/Q1423657","display_name":"Operations management","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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/vtc2023-spring57618.2023.10199485","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtc2023-spring57618.2023.10199485","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 IEEE 97th Vehicular Technology Conference (VTC2023-Spring)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320320300","display_name":"European Commission","ror":"https://ror.org/00k4n6c32"},{"id":"https://openalex.org/F4320321408","display_name":"Ministry of Education","ror":"https://ror.org/01p262204"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W2514684141","https://openalex.org/W2735938380","https://openalex.org/W2964181299","https://openalex.org/W2969424089","https://openalex.org/W2971912794","https://openalex.org/W2995554704","https://openalex.org/W3002384078","https://openalex.org/W3034533409","https://openalex.org/W3036886449","https://openalex.org/W3039402952","https://openalex.org/W3043220753","https://openalex.org/W3111805200","https://openalex.org/W3126686235","https://openalex.org/W3159402647","https://openalex.org/W3171146543","https://openalex.org/W3204631851","https://openalex.org/W4293057432"],"related_works":["https://openalex.org/W2884849751","https://openalex.org/W2088784675","https://openalex.org/W2123080146","https://openalex.org/W2103385171","https://openalex.org/W4327989395","https://openalex.org/W4385800818","https://openalex.org/W4327696770","https://openalex.org/W4327711013","https://openalex.org/W2550835729","https://openalex.org/W1967082946"],"abstract_inverted_index":{"Most":[0],"prior":[1],"works":[2],"on":[3],"intelligent":[4],"reflecting":[5],"surface":[6],"(IRS)":[7],"merely":[8],"consider":[9],"point-to-point":[10],"communications,":[11],"including":[12],"a":[13,21,55,116],"single":[14],"user,":[15],"for":[16],"ease":[17],"of":[18,35,41,52,122,142],"analysis.":[19],"Nevertheless,":[20],"practical":[22],"wireless":[23],"system":[24],"needs":[25],"to":[26,32,58,79,85],"accommodate":[27],"multiple":[28,64],"users":[29,123],"simultaneously.":[30],"Due":[31],"the":[33,39,50,68,120,140],"lack":[34],"frequency-selective":[36],"reflection,":[37],"namely":[38],"set":[40],"phase":[42],"shifts":[43],"cannot":[44],"be":[45],"different":[46],"across":[47],"frequency":[48],"subchannels,":[49],"integration":[51],"IRS":[53,83,130,144],"imposes":[54],"fundamental":[56],"challenge":[57],"frequency-multiplexing":[59],"approaches":[60],"such":[61],"as":[62],"frequency-division":[63],"access":[65],"(FDMA)":[66],"and":[67,90,102],"widely":[69],"adopted":[70],"technique":[71],"called":[72],"orthogonal":[73],"FDMA":[74],"(OFDMA).":[75],"It":[76],"motivates":[77],"us":[78],"study":[80],"(O)FDMA-based":[81,143],"multi-user":[82],"communications":[84],"clarify":[86],"which":[87],"user":[88,111,127],"scheduling":[89,112,128],"passive":[91],"beamforming":[92],"are":[93,115],"favorable":[94],"under":[95],"this":[96],"non-frequency-selective":[97],"reflection":[98,131],"environment.":[99],"Theoretical":[100],"analysis":[101],"numerical":[103],"evaluation":[104],"reveal":[105],"that":[106],"(O)FDMA":[107],"does":[108],"not":[109],"need":[110],"when":[113],"there":[114],"few":[117],"users.":[118],"If":[119],"number":[121],"becomes":[124],"large,":[125],"neither":[126],"nor":[129],"optimization":[132],"is":[133],"necessary.":[134],"These":[135],"findings":[136],"help":[137],"substantially":[138],"simplify":[139],"design":[141],"communications.":[145]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":8}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
