{"id":"https://openalex.org/W3093234775","doi":"https://doi.org/10.1109/wcnc49053.2021.9417582","title":"Joint Beamforming and Phase Shift Optimization for Multicell IRS-aided OFDMA-URLLC Systems","display_name":"Joint Beamforming and Phase Shift Optimization for Multicell IRS-aided OFDMA-URLLC Systems","publication_year":2021,"publication_date":"2021-03-29","ids":{"openalex":"https://openalex.org/W3093234775","doi":"https://doi.org/10.1109/wcnc49053.2021.9417582","mag":"3093234775"},"language":"en","primary_location":{"id":"doi:10.1109/wcnc49053.2021.9417582","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc49053.2021.9417582","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE Wireless Communications and Networking Conference (WCNC)","raw_type":"proceedings-article"},"type":"preprint","indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2010.07698","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5009096430","display_name":"Walid R. Ghanem","orcid":"https://orcid.org/0000-0002-0513-2374"},"institutions":[{"id":"https://openalex.org/I181369854","display_name":"Friedrich-Alexander-Universit\u00e4t Erlangen-N\u00fcrnberg","ror":"https://ror.org/00f7hpc57","country_code":"DE","type":"education","lineage":["https://openalex.org/I181369854"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Walid R. Ghanem","raw_affiliation_strings":["Friedrich-Alexander-University, Erlangen-Nuremberg, Germany","[Friedrich-Alexander University Erlangen-Nuremberg, Germany]"],"affiliations":[{"raw_affiliation_string":"Friedrich-Alexander-University, Erlangen-Nuremberg, Germany","institution_ids":["https://openalex.org/I181369854"]},{"raw_affiliation_string":"[Friedrich-Alexander University Erlangen-Nuremberg, Germany]","institution_ids":["https://openalex.org/I181369854"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087843323","display_name":"Vahid Jamali","orcid":"https://orcid.org/0000-0003-3920-7415"},"institutions":[{"id":"https://openalex.org/I181369854","display_name":"Friedrich-Alexander-Universit\u00e4t Erlangen-N\u00fcrnberg","ror":"https://ror.org/00f7hpc57","country_code":"DE","type":"education","lineage":["https://openalex.org/I181369854"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Vahid Jamali","raw_affiliation_strings":["Friedrich-Alexander-University, Erlangen-Nuremberg, Germany","[Friedrich-Alexander University Erlangen-Nuremberg, Germany]"],"affiliations":[{"raw_affiliation_string":"Friedrich-Alexander-University, Erlangen-Nuremberg, Germany","institution_ids":["https://openalex.org/I181369854"]},{"raw_affiliation_string":"[Friedrich-Alexander University Erlangen-Nuremberg, Germany]","institution_ids":["https://openalex.org/I181369854"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5033990377","display_name":"Robert Schober","orcid":"https://orcid.org/0000-0002-6420-4884"},"institutions":[{"id":"https://openalex.org/I181369854","display_name":"Friedrich-Alexander-Universit\u00e4t Erlangen-N\u00fcrnberg","ror":"https://ror.org/00f7hpc57","country_code":"DE","type":"education","lineage":["https://openalex.org/I181369854"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Robert Schober","raw_affiliation_strings":["Friedrich-Alexander-University, Erlangen-Nuremberg, Germany","[Friedrich-Alexander University Erlangen-Nuremberg, Germany]"],"affiliations":[{"raw_affiliation_string":"Friedrich-Alexander-University, Erlangen-Nuremberg, Germany","institution_ids":["https://openalex.org/I181369854"]},{"raw_affiliation_string":"[Friedrich-Alexander University Erlangen-Nuremberg, Germany]","institution_ids":["https://openalex.org/I181369854"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5009096430"],"corresponding_institution_ids":["https://openalex.org/I181369854"],"apc_list":null,"apc_paid":null,"fwci":0.6072,"has_fulltext":true,"cited_by_count":6,"citation_normalized_percentile":{"value":0.65687311,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"7"},"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/T11133","display_name":"UAV Applications and Optimization","score":0.9485999941825867,"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/T10851","display_name":"Optical Wireless Communication Technologies","score":0.9351999759674072,"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/computer-science","display_name":"Computer science","score":0.7576500773429871},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiple-access","display_name":"Orthogonal frequency-division multiple access","score":0.7283384799957275},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.630110502243042},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.5985287427902222},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.49799060821533203},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.49645930528640747},{"id":"https://openalex.org/keywords/resource-allocation","display_name":"Resource allocation","score":0.44953447580337524},{"id":"https://openalex.org/keywords/non-line-of-sight-propagation","display_name":"Non-line-of-sight propagation","score":0.4183211922645569},{"id":"https://openalex.org/keywords/channel-allocation-schemes","display_name":"Channel allocation schemes","score":0.41646355390548706},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3401165306568146},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.3065173029899597},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.25082892179489136},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.1820988953113556},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.12824830412864685},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.11843991279602051}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7576500773429871},{"id":"https://openalex.org/C2775907427","wikidata":"https://www.wikidata.org/wiki/Q2697649","display_name":"Orthogonal frequency-division multiple access","level":4,"score":0.7283384799957275},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.630110502243042},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.5985287427902222},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.49799060821533203},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.49645930528640747},{"id":"https://openalex.org/C29202148","wikidata":"https://www.wikidata.org/wiki/Q287260","display_name":"Resource allocation","level":2,"score":0.44953447580337524},{"id":"https://openalex.org/C154910267","wikidata":"https://www.wikidata.org/wiki/Q1740982","display_name":"Non-line-of-sight propagation","level":3,"score":0.4183211922645569},{"id":"https://openalex.org/C114237682","wikidata":"https://www.wikidata.org/wiki/Q5072483","display_name":"Channel allocation schemes","level":3,"score":0.41646355390548706},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3401165306568146},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.3065173029899597},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.25082892179489136},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.1820988953113556},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.12824830412864685},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.11843991279602051}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1109/wcnc49053.2021.9417582","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc49053.2021.9417582","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE Wireless Communications and Networking Conference (WCNC)","raw_type":"proceedings-article"},{"id":"pmh:oai:arXiv.org:2010.07698","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2010.07698","pdf_url":"https://arxiv.org/pdf/2010.07698","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":"mag:3093234775","is_oa":true,"landing_page_url":"https://arxiv.org/pdf/2010.07698.pdf","pdf_url":null,"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":"arXiv (Cornell University)","raw_type":null},{"id":"doi:10.48550/arxiv.2010.07698","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2010.07698","pdf_url":null,"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":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2010.07698","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2010.07698","pdf_url":"https://arxiv.org/pdf/2010.07698","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":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3093234775.pdf","grobid_xml":"https://content.openalex.org/works/W3093234775.grobid-xml"},"referenced_works_count":27,"referenced_works":["https://openalex.org/W121557243","https://openalex.org/W1988778152","https://openalex.org/W1995875735","https://openalex.org/W2145163533","https://openalex.org/W2160593627","https://openalex.org/W2221524898","https://openalex.org/W2272901026","https://openalex.org/W2276299490","https://openalex.org/W2293740706","https://openalex.org/W2604924587","https://openalex.org/W2609366403","https://openalex.org/W2610350904","https://openalex.org/W2782068308","https://openalex.org/W2963250023","https://openalex.org/W2969424089","https://openalex.org/W2990866132","https://openalex.org/W3002205212","https://openalex.org/W3005072086","https://openalex.org/W3014580744","https://openalex.org/W3019679152","https://openalex.org/W3021225717","https://openalex.org/W3025201198","https://openalex.org/W3040433108","https://openalex.org/W3045518381","https://openalex.org/W3054393695","https://openalex.org/W4249840661","https://openalex.org/W6648982606"],"related_works":["https://openalex.org/W3158131132","https://openalex.org/W2909212557","https://openalex.org/W3022909101","https://openalex.org/W3088301057","https://openalex.org/W3046974406","https://openalex.org/W3080804567","https://openalex.org/W3159178565","https://openalex.org/W3043607033","https://openalex.org/W3093576208","https://openalex.org/W3036893362","https://openalex.org/W2779975782","https://openalex.org/W3025201198","https://openalex.org/W2612304599","https://openalex.org/W2097154600","https://openalex.org/W3102577982","https://openalex.org/W2276070328","https://openalex.org/W631725714","https://openalex.org/W2761457953","https://openalex.org/W2469835976","https://openalex.org/W3119980331"],"abstract_inverted_index":{"This":[0,68],"paper":[1],"investigates":[2],"the":[3,48,70,89,92,99,104,114,165,174],"resource":[4,78],"allocation":[5,79],"algorithm":[6,80,134,154],"design":[7,81,177],"for":[8,61,88,127],"intelligent":[9],"reflecting":[10],"surface":[11],"(IRS)":[12],"aided":[13],"multiple-input":[14],"single-output":[15],"(MISO)":[16],"orthogonal":[17],"frequency":[18],"division":[19],"multiple":[20],"access":[21],"(OFDMA)":[22],"multicell":[23],"networks,":[24],"Where":[25],"a":[26,34,56,119,131,147,160],"set":[27,35],"of":[28,36,59,91,101,103,164],"base":[29],"stations":[30],"cooperate":[31],"to":[32,46,157,159,186],"serve":[33],"ultra-reliable":[37],"loiv-latency":[38],"communication":[39,49],"(URLLC)":[40],"users.":[41,106],"The":[42,77,107,153],"IRS":[43,176],"is":[44,69,82,110,124,135,155],"deployed":[45],"enhance":[47],"channel":[50],"and":[51,112,180],"increase":[52],"reliability":[53],"by":[54],"creating":[55],"virtual":[57],"line":[58],"sight":[60],"URLLC":[62,105,179],"users":[63],"With":[64],"unfavorable":[65],"propagation":[66],"conditions.":[67],"first":[71],"study":[72],"on":[73],"IRS-enhanced":[74],"OFDMA-URLLC":[75],"systems.":[76],"formulated":[83,166],"as":[84],"an":[85],"optimization":[86,108,141,167],"problem":[87,109],"maximization":[90],"Weighted":[93],"system":[94],"sum":[95],"throughput":[96],"While":[97],"guaranteeing":[98],"quality":[100],"service":[102],"non-convex":[111],"finding":[113],"globally":[115],"optimal":[116,162],"solution":[117,163],"entails":[118],"high":[120],"computational":[121],"complexity":[122],"Which":[123,137],"not":[125],"desirable":[126],"real-time":[128],"applications.":[129],"Therefore,":[130],"suboptimal":[132],"iterative":[133,149],"proposed":[136,175],"jointly":[138],"optimizes":[139],"all":[140],"variables":[142],"in":[143],"each":[144],"iteration":[145],"using":[146],"new":[148],"rank":[150],"minimization":[151],"approach.":[152],"guaranteed":[156],"converge":[158],"locally":[161],"problem.":[168],"Our":[169],"simulation":[170],"results":[171],"show":[172],"that":[173],"facilitates":[178],"yields":[181],"large":[182],"performance":[183],"gains":[184],"compared":[185],"two":[187],"baseline":[188],"schemes.":[189]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":5}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}
