{"id":"https://openalex.org/W4367277145","doi":"https://doi.org/10.1109/tcomm.2023.3270907","title":"Energy Consumption Optimization in RIS-Assisted Cooperative RSMA Cellular Networks","display_name":"Energy Consumption Optimization in RIS-Assisted Cooperative RSMA Cellular Networks","publication_year":2023,"publication_date":"2023-04-27","ids":{"openalex":"https://openalex.org/W4367277145","doi":"https://doi.org/10.1109/tcomm.2023.3270907"},"language":"en","primary_location":{"id":"doi:10.1109/tcomm.2023.3270907","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2023.3270907","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"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 Transactions on Communications","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/A5086363712","display_name":"Shreya Khisa","orcid":"https://orcid.org/0000-0003-2854-0722"},"institutions":[{"id":"https://openalex.org/I60158472","display_name":"Concordia University","ror":"https://ror.org/0420zvk78","country_code":"CA","type":"education","lineage":["https://openalex.org/I60158472"]}],"countries":["CA"],"is_corresponding":true,"raw_author_name":"Shreya Khisa","raw_affiliation_strings":["Concordia Institute for Information Systems Engineering (CIISE), Montreal, Canada"],"raw_orcid":"https://orcid.org/0000-0003-2854-0722","affiliations":[{"raw_affiliation_string":"Concordia Institute for Information Systems Engineering (CIISE), Montreal, Canada","institution_ids":["https://openalex.org/I60158472"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059101599","display_name":"Mohamed Elhattab","orcid":"https://orcid.org/0000-0001-7682-9972"},"institutions":[{"id":"https://openalex.org/I60158472","display_name":"Concordia University","ror":"https://ror.org/0420zvk78","country_code":"CA","type":"education","lineage":["https://openalex.org/I60158472"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Mohamed Elhattab","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Concordia University, Montreal, Canada"],"raw_orcid":"https://orcid.org/0000-0001-7682-9972","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Concordia University, Montreal, Canada","institution_ids":["https://openalex.org/I60158472"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072393948","display_name":"Chadi Assi","orcid":"https://orcid.org/0000-0002-3161-1846"},"institutions":[{"id":"https://openalex.org/I60158472","display_name":"Concordia University","ror":"https://ror.org/0420zvk78","country_code":"CA","type":"education","lineage":["https://openalex.org/I60158472"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Chadi Assi","raw_affiliation_strings":["Concordia Institute for Information Systems Engineering (CIISE), Montreal, Canada"],"raw_orcid":"https://orcid.org/0000-0002-3161-1846","affiliations":[{"raw_affiliation_string":"Concordia Institute for Information Systems Engineering (CIISE), Montreal, Canada","institution_ids":["https://openalex.org/I60158472"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5071725114","display_name":"Sanaa Sharafeddine","orcid":"https://orcid.org/0000-0001-6548-1624"},"institutions":[{"id":"https://openalex.org/I98635879","display_name":"American University of Beirut","ror":"https://ror.org/04pznsd21","country_code":"LB","type":"education","lineage":["https://openalex.org/I98635879"]}],"countries":["LB"],"is_corresponding":false,"raw_author_name":"Sanaa Sharafeddine","raw_affiliation_strings":["Department of Computer Science, American University of Beirut, Beirut, Lebanon"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, American University of Beirut, Beirut, Lebanon","institution_ids":["https://openalex.org/I98635879"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5086363712"],"corresponding_institution_ids":["https://openalex.org/I60158472"],"apc_list":null,"apc_paid":null,"fwci":4.727,"has_fulltext":false,"cited_by_count":37,"citation_normalized_percentile":{"value":0.95635932,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":100},"biblio":{"volume":"71","issue":"7","first_page":"4300","last_page":"4312"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":1.0,"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":1.0,"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":0.9675999879837036,"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/T11133","display_name":"UAV Applications and Optimization","score":0.9589999914169312,"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/precoding","display_name":"Precoding","score":0.7383609414100647},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.6852672100067139},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6723394393920898},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.6420735716819763},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.600372314453125},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.5879164934158325},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.5487998127937317},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.5213524103164673},{"id":"https://openalex.org/keywords/karush\u2013kuhn\u2013tucker-conditions","display_name":"Karush\u2013Kuhn\u2013Tucker conditions","score":0.4655400514602661},{"id":"https://openalex.org/keywords/convex-optimization","display_name":"Convex optimization","score":0.4649215042591095},{"id":"https://openalex.org/keywords/energy-consumption","display_name":"Energy consumption","score":0.4600714147090912},{"id":"https://openalex.org/keywords/quality-of-service","display_name":"Quality of service","score":0.4490469694137573},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.2615860104560852},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.22909733653068542},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.18286088109016418},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.1612083911895752},{"id":"https://openalex.org/keywords/regular-polygon","display_name":"Regular polygon","score":0.1554066240787506},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.13940861821174622},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.13111650943756104},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.09418705105781555}],"concepts":[{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.7383609414100647},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6852672100067139},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6723394393920898},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.6420735716819763},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.600372314453125},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.5879164934158325},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.5487998127937317},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.5213524103164673},{"id":"https://openalex.org/C50454189","wikidata":"https://www.wikidata.org/wiki/Q2075125","display_name":"Karush\u2013Kuhn\u2013Tucker conditions","level":2,"score":0.4655400514602661},{"id":"https://openalex.org/C157972887","wikidata":"https://www.wikidata.org/wiki/Q463359","display_name":"Convex optimization","level":3,"score":0.4649215042591095},{"id":"https://openalex.org/C2780165032","wikidata":"https://www.wikidata.org/wiki/Q16869822","display_name":"Energy consumption","level":2,"score":0.4600714147090912},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.4490469694137573},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.2615860104560852},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.22909733653068542},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.18286088109016418},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.1612083911895752},{"id":"https://openalex.org/C112680207","wikidata":"https://www.wikidata.org/wiki/Q714886","display_name":"Regular polygon","level":2,"score":0.1554066240787506},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.13940861821174622},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.13111650943756104},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.09418705105781555},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"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/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcomm.2023.3270907","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2023.3270907","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"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 Transactions on Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.9100000262260437}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":49,"referenced_works":["https://openalex.org/W132901562","https://openalex.org/W1958281780","https://openalex.org/W1995434282","https://openalex.org/W2079287883","https://openalex.org/W2107848389","https://openalex.org/W2288501207","https://openalex.org/W2787255587","https://openalex.org/W2795167939","https://openalex.org/W2798894979","https://openalex.org/W2948573205","https://openalex.org/W2950077417","https://openalex.org/W2963328334","https://openalex.org/W2969424089","https://openalex.org/W2975013556","https://openalex.org/W2976573329","https://openalex.org/W2978330116","https://openalex.org/W2980426996","https://openalex.org/W2999074226","https://openalex.org/W3011154968","https://openalex.org/W3036886449","https://openalex.org/W3037288015","https://openalex.org/W3044096756","https://openalex.org/W3044746003","https://openalex.org/W3081875647","https://openalex.org/W3085823850","https://openalex.org/W3092584186","https://openalex.org/W3098596229","https://openalex.org/W3098923418","https://openalex.org/W3103135626","https://openalex.org/W3132252774","https://openalex.org/W3133999295","https://openalex.org/W3147978045","https://openalex.org/W3159238803","https://openalex.org/W3162302115","https://openalex.org/W3168739648","https://openalex.org/W3182321887","https://openalex.org/W3190430387","https://openalex.org/W3209861770","https://openalex.org/W3214276595","https://openalex.org/W3217454561","https://openalex.org/W4205407795","https://openalex.org/W4210439023","https://openalex.org/W4221149552","https://openalex.org/W4221160108","https://openalex.org/W4225864681","https://openalex.org/W4226025603","https://openalex.org/W4229044414","https://openalex.org/W4285181561","https://openalex.org/W4319302984"],"related_works":["https://openalex.org/W1988754299","https://openalex.org/W3087844490","https://openalex.org/W3090699061","https://openalex.org/W4387546583","https://openalex.org/W2051762234","https://openalex.org/W2131408743","https://openalex.org/W2055634632","https://openalex.org/W834972196","https://openalex.org/W4396680560","https://openalex.org/W2896145927"],"abstract_inverted_index":{"This":[0],"paper":[1],"presents":[2],"a":[3,43,96,107,234],"downlink":[4],"reconfigurable":[5],"intelligent":[6],"surface":[7],"(RIS)-assisted":[8],"half-duplex":[9],"(HD)":[10],"cooperative":[11,251],"rate-splitting":[12],"multiple":[13,253],"access":[14,254],"(C-RSMA)":[15],"networks.":[16],"The":[17,103,223],"proposed":[18,229],"system":[19],"model":[20],"is":[21,101,106,127,168,194,221],"built":[22],"up":[23],"considering":[24],"one":[25,29],"base":[26],"station":[27],"(BS),":[28],"RIS,":[30,261],"and":[31,65,82,95,146,162,197,206,262],"two":[32,142],"users.":[33],"With":[34],"the":[35,39,48,52,61,66,70,74,80,83,86,113,117,131,138,156,171,176,189,199,207,214,219,228,239,245],"goal":[36],"of":[37,88,201],"minimizing":[38,238],"network":[40],"energy":[41,241],"consumption,":[42],"joint":[44],"framework":[45],"to":[46,73,112,169,180,244],"optimize":[47,170],"precoding":[49,157],"vectors":[50],"at":[51,69,78,92,175,218],"BS,":[53],"common":[54,97,159],"stream":[55,98,160],"split,":[56,161],"relaying":[57,84,163],"device":[58,164],"transmit":[59],"power,":[60],"time":[62],"slot":[63],"allocation,":[64],"passive":[67],"beamforming":[68],"RIS":[71,220],"subject":[72],"power":[75],"budget":[76],"constraints":[77,91],"both":[79,93],"BS":[81],"node,":[85],"quality":[87],"service":[89],"(QoS)":[90],"users,":[94],"rate":[99],"constraint":[100],"proposed.":[102,195],"formulated":[104],"problem":[105,110,140],"non-convex":[108],"optimization":[109,118,133],"due":[111],"high":[114],"coupling":[115],"among":[116],"variables.":[119],"To":[120],"tackle":[121],"this":[122],"challenge,":[123],"an":[124,183,210],"efficient":[125,184,211],"algorithm":[126],"presented":[128],"by":[129],"invoking":[130],"alternating":[132],"(AO)":[134],"technique,":[135],"which":[136,148],"decomposes":[137],"original":[139],"into":[141],"sub-problems;":[143],"namely,":[144],"sub-problem-1":[145,153],"sub-problem-2,":[147],"are":[149],"alternatively":[150],"solved.":[151],"Specifically,":[152],"jointly":[154],"optimizes":[155],"vectors,":[158],"power.":[165],"Meanwhile,":[166,196],"sub-problem-2":[167],"phase":[172,215],"shift":[173,216],"matrix":[174,217],"RIS.":[177,266],"In":[178],"order":[179],"solve":[181],"sub-problem-1,":[182],"low-complexity":[185],"solution":[186,212],"based":[187],"on":[188],"successive":[190],"convex":[191],"approximation":[192],"(SCA)":[193],"with":[198],"aid":[200],"difference-of-convex":[202],"(DC)":[203],"rank-one":[204],"representation":[205],"SCA":[208],"approach,":[209],"for":[213],"obtained.":[222],"simulation":[224],"results":[225],"demonstrate":[226],"that":[227],"RIS-assisted":[230,246,249,256],"HD":[231,250,258,263],"C-RSMA":[232,259],"achieves":[233],"significant":[235],"gain":[236],"in":[237],"total":[240],"consumption":[242],"compared":[243],"RSMA":[247],"scheme,":[248],"non-orthogonal":[252],"(C-NOMA),":[255],"NOMA,":[257],"without":[260,265],"C-NOMA":[264]},"counts_by_year":[{"year":2026,"cited_by_count":4},{"year":2025,"cited_by_count":17},{"year":2024,"cited_by_count":11},{"year":2023,"cited_by_count":5}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}