{"id":"https://openalex.org/W4390738464","doi":"https://doi.org/10.1109/ojcoms.2024.3353173","title":"Multi-IRS-Aided Terahertz Networks: Channel Modeling and User Association With Imperfect CSI","display_name":"Multi-IRS-Aided Terahertz Networks: Channel Modeling and User Association With Imperfect CSI","publication_year":2024,"publication_date":"2024-01-01","ids":{"openalex":"https://openalex.org/W4390738464","doi":"https://doi.org/10.1109/ojcoms.2024.3353173"},"language":"en","primary_location":{"id":"doi:10.1109/ojcoms.2024.3353173","is_oa":true,"landing_page_url":"https://doi.org/10.1109/ojcoms.2024.3353173","pdf_url":"https://ieeexplore.ieee.org/ielx7/8782661/8901158/10390542.pdf","source":{"id":"https://openalex.org/S4210202420","display_name":"IEEE Open Journal of the Communications Society","issn_l":"2644-125X","issn":["2644-125X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Open Journal of the Communications Society","raw_type":"journal-article"},"type":"article","indexed_in":["arxiv","crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/8782661/8901158/10390542.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5026100325","display_name":"Muddasir Rahim","orcid":"https://orcid.org/0000-0002-2454-6791"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Muddasir Rahim","raw_affiliation_strings":["Department of Electrical Engineering, École de Technologie Supérieure, Université du Québec, Montreal, Canada"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, École de Technologie Supérieure, Université du Québec, Montreal, Canada","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103197409","display_name":"Thanh Luan Nguyen","orcid":"https://orcid.org/0000-0002-9781-3221"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Thanh Luan Nguyen","raw_affiliation_strings":["Department of Electrical Engineering, École de Technologie Supérieure, Université du Québec, Montreal, Canada"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, École de Technologie Supérieure, Université du Québec, Montreal, Canada","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032243366","display_name":"Georges Kaddoum","orcid":"https://orcid.org/0000-0002-5025-6624"},"institutions":[{"id":"https://openalex.org/I56306041","display_name":"Lebanese American University","ror":"https://ror.org/00hqkan37","country_code":"LB","type":"education","lineage":["https://openalex.org/I56306041"]}],"countries":["LB"],"is_corresponding":false,"raw_author_name":"Georges Kaddoum","raw_affiliation_strings":["Department of Electrical Engineering, École de Technologie Supérieure, Université du Québec, Montreal, Canada","Artificial Intelligence and Cyber Systems Research Center, Lebanese American University, Lebanon"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, École de Technologie Supérieure, Université du Québec, Montreal, Canada","institution_ids":[]},{"raw_affiliation_string":"Artificial Intelligence and Cyber Systems Research Center, Lebanese American University, Lebanon","institution_ids":["https://openalex.org/I56306041"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5026023278","display_name":"Tri Nhu","orcid":"https://orcid.org/0000-0002-9857-6723"},"institutions":[{"id":"https://openalex.org/I45683168","display_name":"Polytechnique Montr\u00e9al","ror":"https://ror.org/05f8d4e86","country_code":"CA","type":"education","lineage":["https://openalex.org/I45683168"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Tri Nhu Do","raw_affiliation_strings":["Department of Electrical Engineering, Polytechnique Montreal, Montreal, Canada"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Polytechnique Montreal, Montreal, Canada","institution_ids":["https://openalex.org/I45683168"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5026100325"],"corresponding_institution_ids":[],"apc_list":{"value":1750,"currency":"USD","value_usd":1750},"apc_paid":{"value":1750,"currency":"USD","value_usd":1750},"fwci":2.7624,"has_fulltext":true,"cited_by_count":13,"citation_normalized_percentile":{"value":0.90273472,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":99},"biblio":{"volume":"5","issue":null,"first_page":"836","last_page":"855"},"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9975000023841858,"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":0.993399977684021,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7300950288772583},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.6047810316085815},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5506682395935059},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.5165995359420776},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.5006217956542969},{"id":"https://openalex.org/keywords/terahertz-radiation","display_name":"Terahertz radiation","score":0.49802589416503906},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.4749572277069092},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.47282350063323975},{"id":"https://openalex.org/keywords/greedy-algorithm","display_name":"Greedy algorithm","score":0.4207037091255188},{"id":"https://openalex.org/keywords/matching","display_name":"Matching (statistics)","score":0.4104403257369995},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.35382211208343506},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3304861783981323},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.2930513024330139},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2187630832195282},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.16687420010566711}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7300950288772583},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.6047810316085815},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5506682395935059},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.5165995359420776},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.5006217956542969},{"id":"https://openalex.org/C107816215","wikidata":"https://www.wikidata.org/wiki/Q647887","display_name":"Terahertz radiation","level":2,"score":0.49802589416503906},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.4749572277069092},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.47282350063323975},{"id":"https://openalex.org/C51823790","wikidata":"https://www.wikidata.org/wiki/Q504353","display_name":"Greedy algorithm","level":2,"score":0.4207037091255188},{"id":"https://openalex.org/C165064840","wikidata":"https://www.wikidata.org/wiki/Q1321061","display_name":"Matching (statistics)","level":2,"score":0.4104403257369995},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.35382211208343506},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3304861783981323},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.2930513024330139},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2187630832195282},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.16687420010566711},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","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/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.1109/ojcoms.2024.3353173","is_oa":true,"landing_page_url":"https://doi.org/10.1109/ojcoms.2024.3353173","pdf_url":"https://ieeexplore.ieee.org/ielx7/8782661/8901158/10390542.pdf","source":{"id":"https://openalex.org/S4210202420","display_name":"IEEE Open Journal of the Communications Society","issn_l":"2644-125X","issn":["2644-125X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Open Journal of the Communications Society","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:2403.07893","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2403.07893","pdf_url":"https://arxiv.org/pdf/2403.07893","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"pmh:oai:espace2.etsmtl.ca:28356","is_oa":true,"landing_page_url":null,"pdf_url":"https://espace2.etsmtl.ca/id/eprint/28356/1/Kaddoum-G-2024-28356.pdf","source":{"id":"https://openalex.org/S4306402392","display_name":"Espace \u00c9TS (ETS)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1341030882","host_organization_name":"Educational Testing Service","host_organization_lineage":["https://openalex.org/I1341030882"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article publi\u00e9 dans une revue, r\u00e9vis\u00e9 par les pairs"},{"id":"pmh:oai:publications.polymtl.ca:57484","is_oa":true,"landing_page_url":"https://publications.polymtl.ca/57484/","pdf_url":"https://publications.polymtl.ca/57484/1/2024_Rahim_Multi_Aided_Terahertz_Networks_Channel.pdf","source":{"id":"https://openalex.org/S4306401013","display_name":"PolyPublie (\u00c9cole Polytechnique de Montr\u00e9al)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I45683168","host_organization_name":"Polytechnique Montr\u00e9al","host_organization_lineage":["https://openalex.org/I45683168"],"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":"PeerReviewed"},{"id":"pmh:oai:doaj.org/article:e8dd25280544477bbe52f93312e1daf0","is_oa":true,"landing_page_url":"https://doaj.org/article/e8dd25280544477bbe52f93312e1daf0","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Open Journal of the Communications Society, Vol 5, Pp 836-855 (2024)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/ojcoms.2024.3353173","is_oa":true,"landing_page_url":"https://doi.org/10.1109/ojcoms.2024.3353173","pdf_url":"https://ieeexplore.ieee.org/ielx7/8782661/8901158/10390542.pdf","source":{"id":"https://openalex.org/S4210202420","display_name":"IEEE Open Journal of the Communications Society","issn_l":"2644-125X","issn":["2644-125X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Open Journal of the Communications Society","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4390738464.pdf","grobid_xml":"https://content.openalex.org/works/W4390738464.grobid-xml"},"referenced_works_count":60,"referenced_works":["https://openalex.org/W127678387","https://openalex.org/W1758406427","https://openalex.org/W2155014525","https://openalex.org/W2443133074","https://openalex.org/W2496222037","https://openalex.org/W2613466785","https://openalex.org/W2805977599","https://openalex.org/W2890891466","https://openalex.org/W2948573205","https://openalex.org/W2950077417","https://openalex.org/W2955897898","https://openalex.org/W2957131523","https://openalex.org/W2964103109","https://openalex.org/W2985849463","https://openalex.org/W2996313530","https://openalex.org/W3003290868","https://openalex.org/W3036886449","https://openalex.org/W3037684076","https://openalex.org/W3038939462","https://openalex.org/W3039402952","https://openalex.org/W3040349383","https://openalex.org/W3043953517","https://openalex.org/W3047550466","https://openalex.org/W3089065083","https://openalex.org/W3093874970","https://openalex.org/W3096188699","https://openalex.org/W3098628931","https://openalex.org/W3098752517","https://openalex.org/W3115103619","https://openalex.org/W3115737832","https://openalex.org/W3129387863","https://openalex.org/W3130099654","https://openalex.org/W3131324807","https://openalex.org/W3132252774","https://openalex.org/W3135634794","https://openalex.org/W3137570378","https://openalex.org/W3159402647","https://openalex.org/W3172000194","https://openalex.org/W3178081691","https://openalex.org/W3180605299","https://openalex.org/W3185482389","https://openalex.org/W3196510270","https://openalex.org/W3203387279","https://openalex.org/W3208383956","https://openalex.org/W3210963617","https://openalex.org/W3214665976","https://openalex.org/W4210540330","https://openalex.org/W4212913394","https://openalex.org/W4224725425","https://openalex.org/W4226108498","https://openalex.org/W4234885474","https://openalex.org/W4248572758","https://openalex.org/W4285244409","https://openalex.org/W4286542885","https://openalex.org/W4297094903","https://openalex.org/W4319323889","https://openalex.org/W4388666069","https://openalex.org/W4389626908","https://openalex.org/W6788020638","https://openalex.org/W6810863029"],"related_works":["https://openalex.org/W3183948672","https://openalex.org/W3173606202","https://openalex.org/W1531601525","https://openalex.org/W2059045613","https://openalex.org/W4250215096","https://openalex.org/W2119209917","https://openalex.org/W2145047504","https://openalex.org/W2159179523","https://openalex.org/W2950791861","https://openalex.org/W2979334915"],"abstract_inverted_index":{"Terahertz":[0],"(THz)":[1],"communication":[2],"is":[3,96,161,192],"envisioned":[4],"as":[5],"one":[6],"of":[7,20,76,138,144,189,196],"the":[8,29,41,73,84,89,130,139,142,148,152,158,176,186,197],"candidate":[9],"technologies":[10],"for":[11],"future":[12],"wireless":[13],"communications":[14,38],"to":[15,22,71,82,117,163,174],"enable":[16],"achievable":[17],"data":[18],"rates":[19],"up":[21],"several":[23],"terabits":[24],"per":[25],"second":[26,133],"(Tbps).":[27],"However,":[28],"high":[30],"pathloss":[31],"and":[32,123,125,127,132,147,171,181],"molecular":[33],"absorption":[34],"in":[35,129],"THz":[36,55,78],"band":[37],"often":[39],"limit":[40],"transmission":[42,140],"range.":[43],"To":[44,103],"overcome":[45],"these":[46],"limitations,":[47],"this":[48,105],"paper":[49],"proposes":[50],"intelligent":[51],"reconfigurable":[52],"surface":[53],"(IRS)-aided":[54],"networks":[56],"with":[57],"imperfect":[58],"channel":[59,69],"state":[60],"information":[61],"(CSI).":[62],"Specifically,":[63],"we":[64,87,111],"present":[65],"an":[66,164],"angle-based":[67],"trigonometric":[68],"model":[70],"facilitate":[72],"performance":[74],"evaluation":[75],"IRS-aided":[77],"networks.":[79],"In":[80],"addition,":[81],"maximize":[83],"sum":[85,153],"rate,":[86],"formulate":[88],"transmitter":[90],"(Tx)-IRS-receiver":[91],"(Rx)":[92],"matching":[93,120],"problem,":[94,110],"which":[95],"a":[97,113],"mixed-integer":[98],"nonlinear":[99],"programming":[100],"(MINLP)":[101],"problem.":[102],"address":[104],"non-deterministic":[106],"polynomial-time":[107],"hard":[108],"(NP-hard)":[109],"propose":[112],"Gale-Shapley":[114],"algorithm-based":[115],"solutions":[116],"obtain":[118],"stable":[119],"between":[121],"transmitters":[122],"IRSs,":[124,128],"receivers":[126],"first":[131],"sub-problems,":[134],"respectively.":[135],"The":[136,179],"impact":[137],"power,":[141],"number":[143],"IRS":[145],"elements,":[146],"network":[149],"area":[150],"on":[151],"rate":[154],"are":[155],"investigated.":[156],"Furthermore,":[157],"proposed":[159,177],"algorithm":[160,191],"compared":[162],"exhaustive":[165],"search,":[166,170],"nearest":[167],"association,":[168],"greedy":[169],"random":[172],"allocation":[173],"validate":[175],"solution.":[178],"complexity":[180,188],"convergence":[182],"analysis":[183],"demonstrate":[184],"that":[185,195],"computational":[187],"our":[190],"lower":[193],"than":[194],"ES":[198],"method.":[199]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":7}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2024-01-13T00:00:00"}