{"id":"https://openalex.org/W7117465445","doi":"https://doi.org/10.1109/ojcoms.2025.3649379","title":"Sum Rate Optimization via Joint Beamforming in RIS-Assisted ISAC System: A Manifold-Based Approach","display_name":"Sum Rate Optimization via Joint Beamforming in RIS-Assisted ISAC System: A Manifold-Based Approach","publication_year":2025,"publication_date":"2025-12-29","ids":{"openalex":"https://openalex.org/W7117465445","doi":"https://doi.org/10.1109/ojcoms.2025.3649379"},"language":null,"primary_location":{"id":"doi:10.1109/ojcoms.2025.3649379","is_oa":true,"landing_page_url":"https://doi.org/10.1109/ojcoms.2025.3649379","pdf_url":null,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","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":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1109/ojcoms.2025.3649379","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5051633904","display_name":"Ahmed Samir","orcid":"https://orcid.org/0000-0002-5117-7880"},"institutions":[{"id":"https://openalex.org/I207547235","display_name":"Benha University","ror":"https://ror.org/03tn5ee41","country_code":"EG","type":"education","lineage":["https://openalex.org/I207547235"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"Ahmed Samir","raw_affiliation_strings":["Department of Electrical Engineering, Faculty of Engineering at Shoubra, Benha University, Benha, Egypt"],"raw_orcid":"https://orcid.org/0000-0002-5117-7880","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Faculty of Engineering at Shoubra, Benha University, Benha, Egypt","institution_ids":["https://openalex.org/I207547235"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5121515745","display_name":"Ahmed S. Ibrahim","orcid":null},"institutions":[{"id":"https://openalex.org/I4210105992","display_name":"Qatar Science and Technology Park","ror":"https://ror.org/01gshyb58","country_code":"QA","type":"archive","lineage":["https://openalex.org/I4210105992"]}],"countries":["QA"],"is_corresponding":false,"raw_author_name":"Ahmed S. Ibrahim","raw_affiliation_strings":["College of Engineering and Technology, University of Doha for Science and Technology, Doha, Qatar"],"raw_orcid":"https://orcid.org/0000-0002-6206-6625","affiliations":[{"raw_affiliation_string":"College of Engineering and Technology, University of Doha for Science and Technology, Doha, Qatar","institution_ids":["https://openalex.org/I4210105992"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016390011","display_name":"Mahmoud H. Ismail","orcid":"https://orcid.org/0000-0001-5413-5355"},"institutions":[{"id":"https://openalex.org/I199440890","display_name":"American University of Sharjah","ror":"https://ror.org/001g2fj96","country_code":"AE","type":"education","lineage":["https://openalex.org/I199440890"]}],"countries":["AE"],"is_corresponding":false,"raw_author_name":"Mahmoud H. Ismail","raw_affiliation_strings":["Department of Electrical Engineering, American University of Sharjah, Sharjah, UAE"],"raw_orcid":"https://orcid.org/0000-0001-5413-5355","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, American University of Sharjah, Sharjah, UAE","institution_ids":["https://openalex.org/I199440890"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103806898","display_name":"M. Mansour Elsayed","orcid":null},"institutions":[{"id":"https://openalex.org/I207547235","display_name":"Benha University","ror":"https://ror.org/03tn5ee41","country_code":"EG","type":"education","lineage":["https://openalex.org/I207547235"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"Mohamed Elsayed","raw_affiliation_strings":["Department of Electrical Engineering, Faculty of Engineering at Shoubra, Benha University, Benha, Egypt"],"raw_orcid":"https://orcid.org/0000-0001-5963-6001","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Faculty of Engineering at Shoubra, Benha University, Benha, Egypt","institution_ids":["https://openalex.org/I207547235"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1750,"currency":"USD","value_usd":1750},"apc_paid":{"value":1750,"currency":"USD","value_usd":1750},"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.51818794,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"7","issue":null,"first_page":"786","last_page":"801"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9936000108718872,"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":0.9936000108718872,"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/T10891","display_name":"Radar Systems and Signal Processing","score":0.0013000000035390258,"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":0.0010999999940395355,"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/beamforming","display_name":"Beamforming","score":0.8345999717712402},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.6492000222206116},{"id":"https://openalex.org/keywords/semidefinite-programming","display_name":"Semidefinite programming","score":0.5590999722480774},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.5303999781608582},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.5120999813079834},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.5088000297546387}],"concepts":[{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.8345999717712402},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7023000121116638},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.6492000222206116},{"id":"https://openalex.org/C101901036","wikidata":"https://www.wikidata.org/wiki/Q2269096","display_name":"Semidefinite programming","level":2,"score":0.5590999722480774},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.5303999781608582},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.5120999813079834},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.5088000297546387},{"id":"https://openalex.org/C101765175","wikidata":"https://www.wikidata.org/wiki/Q577764","display_name":"Communications system","level":2,"score":0.4388999938964844},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.37689998745918274},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.35690000653266907},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.35589998960494995},{"id":"https://openalex.org/C44280652","wikidata":"https://www.wikidata.org/wiki/Q104837","display_name":"Phase (matter)","level":2,"score":0.3499000072479248},{"id":"https://openalex.org/C113775141","wikidata":"https://www.wikidata.org/wiki/Q428691","display_name":"Computer engineering","level":1,"score":0.3409999907016754},{"id":"https://openalex.org/C529865628","wikidata":"https://www.wikidata.org/wiki/Q1790740","display_name":"Manifold (fluid mechanics)","level":2,"score":0.33399999141693115},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.33169999718666077},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.33149999380111694},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.29010000824928284},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2824999988079071}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ojcoms.2025.3649379","is_oa":true,"landing_page_url":"https://doi.org/10.1109/ojcoms.2025.3649379","pdf_url":null,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Open Journal of the Communications Society","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1109/ojcoms.2025.3649379","is_oa":true,"landing_page_url":"https://doi.org/10.1109/ojcoms.2025.3649379","pdf_url":null,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","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":[{"id":"https://openalex.org/G4899362706","display_name":null,"funder_award_id":"FRG24-C-E53","funder_id":"https://openalex.org/F4320321430","funder_display_name":"American University of Sharjah"},{"id":"https://openalex.org/G5571790949","display_name":null,"funder_award_id":"FRG23-C-E12","funder_id":"https://openalex.org/F4320321430","funder_display_name":"American University of Sharjah"}],"funders":[{"id":"https://openalex.org/F4320321430","display_name":"American University of Sharjah","ror":"https://ror.org/001g2fj96"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":56,"referenced_works":["https://openalex.org/W646582900","https://openalex.org/W1996215314","https://openalex.org/W2024318675","https://openalex.org/W2117198760","https://openalex.org/W2402588523","https://openalex.org/W2522924238","https://openalex.org/W2772284530","https://openalex.org/W2963704853","https://openalex.org/W2964202652","https://openalex.org/W3010582011","https://openalex.org/W3013719647","https://openalex.org/W3014571813","https://openalex.org/W3134105517","https://openalex.org/W3204184545","https://openalex.org/W3214276595","https://openalex.org/W4214866728","https://openalex.org/W4225130432","https://openalex.org/W4225824654","https://openalex.org/W4225987394","https://openalex.org/W4226049788","https://openalex.org/W4226165103","https://openalex.org/W4281640953","https://openalex.org/W4285142136","https://openalex.org/W4285230809","https://openalex.org/W4293057413","https://openalex.org/W4312830363","https://openalex.org/W4313027809","https://openalex.org/W4313535062","https://openalex.org/W4313886683","https://openalex.org/W4376456938","https://openalex.org/W4377231518","https://openalex.org/W4379033831","https://openalex.org/W4379116905","https://openalex.org/W4385250845","https://openalex.org/W4385269084","https://openalex.org/W4386825463","https://openalex.org/W4388470010","https://openalex.org/W4388642498","https://openalex.org/W4389922377","https://openalex.org/W4389925691","https://openalex.org/W4391935941","https://openalex.org/W4392826892","https://openalex.org/W4393404798","https://openalex.org/W4399666055","https://openalex.org/W4400228713","https://openalex.org/W4400770850","https://openalex.org/W4401016708","https://openalex.org/W4401328890","https://openalex.org/W4401717673","https://openalex.org/W4401751036","https://openalex.org/W4401880132","https://openalex.org/W4404795715","https://openalex.org/W4407361539","https://openalex.org/W4408941432","https://openalex.org/W4410226936","https://openalex.org/W4415820853"],"related_works":[],"abstract_inverted_index":{"Integrated":[0],"sensing":[1,29,38,61,89,186],"and":[2,28,60,111,120,134,144,185],"communication":[3,27,31,59,78,184],"(ISAC)":[4],"systems":[5,17],"have":[6],"emerged":[7],"as":[8],"a":[9,19,100],"key":[10],"technology":[11],"for":[12,69,87],"next-generation":[13],"wireless":[14],"networks.":[15],"ISAC":[16,72,116],"face":[18],"challenge":[20],"due":[21],"to":[22,52,75,106],"the":[23,77,88,92,109,115,121,132,141,151,157,175],"differing":[24],"priorities":[25],"between":[26],"metrics:":[30],"focuses":[32],"on":[33],"maximizing":[34],"data":[35],"rates,":[36],"while":[37,82,188],"prioritizes":[39],"accurate":[40],"target":[41],"detection.":[42],"To":[43,149],"address":[44],"this,":[45],"reconfigurable":[46],"intelligent":[47],"surfaces":[48],"(RIS)":[49],"are":[50,138],"introduced":[51],"enhance":[53],"beamforming":[54,133],"control,":[55],"thereby":[56],"improving":[57],"both":[58,183],"performance.":[62],"This":[63],"paper":[64],"presents":[65],"an":[66,70,84,126],"optimization":[67,104,128],"framework":[68,98],"RIS-assisted":[71],"system,":[73],"aiming":[74],"maximize":[76],"sum":[79],"rate":[80],"(SR)":[81],"maintaining":[83],"acceptable":[85],"threshold":[86],"metric,":[90],"specifically":[91],"signal-to-clutter-noise":[93],"ratio":[94],"(SCNR).":[95],"The":[96],"proposed":[97,176],"utilizes":[99],"low-complexity":[101],"Riemannian":[102],"manifold":[103],"technique":[105],"jointly":[107],"design":[108],"transmit":[110],"receive":[112],"beamformers":[113],"at":[114],"base":[117],"station":[118],"(BS)":[119],"RIS":[122,135],"phase":[123,136],"shifts,":[124],"following":[125],"alternating":[127],"(AO)":[129],"approach.":[130],"Specifically,":[131],"shifts":[137],"optimized":[139],"over":[140],"complex":[142,145],"cone":[143],"circle":[146],"manifolds,":[147],"respectively.":[148],"demonstrate":[150],"effectiveness":[152],"of":[153],"this":[154],"manifold-based":[155,177],"approach,":[156],"same":[158],"problem":[159],"is":[160],"also":[161,189],"solved":[162],"using":[163],"AO":[164],"with":[165],"classical":[166],"semidefinite":[167],"programming":[168],"(SDP)":[169],"optimization.":[170],"Simulation":[171],"results":[172],"show":[173],"that":[174],"algorithm":[178],"outperforms":[179],"existing":[180],"methods":[181],"in":[182],"metrics,":[187],"reducing":[190],"computational":[191],"complexity.":[192]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-12-29T00:00:00"}
