{"id":"https://openalex.org/W4410341255","doi":"https://doi.org/10.1109/ncc63735.2025.10982795","title":"Low Complexity User Selection, Beamforming and IRS Phase Optimization in the Downlink","display_name":"Low Complexity User Selection, Beamforming and IRS Phase Optimization in the Downlink","publication_year":2025,"publication_date":"2025-03-06","ids":{"openalex":"https://openalex.org/W4410341255","doi":"https://doi.org/10.1109/ncc63735.2025.10982795"},"language":"en","primary_location":{"id":"doi:10.1109/ncc63735.2025.10982795","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ncc63735.2025.10982795","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 National Conference on Communications (NCC)","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/A5117535060","display_name":"Kumar Rohan","orcid":null},"institutions":[{"id":"https://openalex.org/I24676775","display_name":"Indian Institute of Technology Madras","ror":"https://ror.org/03v0r5n49","country_code":"IN","type":"facility","lineage":["https://openalex.org/I24676775"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Kumar Rohan","raw_affiliation_strings":["IIT Madras,Department of Electrical Engineering,Chennai,India,600036"],"affiliations":[{"raw_affiliation_string":"IIT Madras,Department of Electrical Engineering,Chennai,India,600036","institution_ids":["https://openalex.org/I24676775"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Balaji Pandian","orcid":null},"institutions":[{"id":"https://openalex.org/I24676775","display_name":"Indian Institute of Technology Madras","ror":"https://ror.org/03v0r5n49","country_code":"IN","type":"facility","lineage":["https://openalex.org/I24676775"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Balaji Pandian","raw_affiliation_strings":["IIT Madras,Department of Electrical Engineering,Chennai,India,600036"],"affiliations":[{"raw_affiliation_string":"IIT Madras,Department of Electrical Engineering,Chennai,India,600036","institution_ids":["https://openalex.org/I24676775"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5072029533","display_name":"Srikrishna Bhashyam","orcid":"https://orcid.org/0000-0001-9953-0914"},"institutions":[{"id":"https://openalex.org/I24676775","display_name":"Indian Institute of Technology Madras","ror":"https://ror.org/03v0r5n49","country_code":"IN","type":"facility","lineage":["https://openalex.org/I24676775"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Srikrishna Bhashyam","raw_affiliation_strings":["IIT Madras,Department of Electrical Engineering,Chennai,India,600036"],"affiliations":[{"raw_affiliation_string":"IIT Madras,Department of Electrical Engineering,Chennai,India,600036","institution_ids":["https://openalex.org/I24676775"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5117535060"],"corresponding_institution_ids":["https://openalex.org/I24676775"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.08031912,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"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":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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9990000128746033,"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/T10851","display_name":"Optical Wireless Communication Technologies","score":0.9947999715805054,"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/telecommunications-link","display_name":"Telecommunications link","score":0.7696611881256104},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.7623528838157654},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6572617888450623},{"id":"https://openalex.org/keywords/selection","display_name":"Selection (genetic algorithm)","score":0.6020174622535706},{"id":"https://openalex.org/keywords/phase","display_name":"Phase (matter)","score":0.4145844876766205},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3213478922843933},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.11165472865104675},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.0726461112499237}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.7696611881256104},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.7623528838157654},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6572617888450623},{"id":"https://openalex.org/C81917197","wikidata":"https://www.wikidata.org/wiki/Q628760","display_name":"Selection (genetic algorithm)","level":2,"score":0.6020174622535706},{"id":"https://openalex.org/C44280652","wikidata":"https://www.wikidata.org/wiki/Q104837","display_name":"Phase (matter)","level":2,"score":0.4145844876766205},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3213478922843933},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.11165472865104675},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0726461112499237},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ncc63735.2025.10982795","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ncc63735.2025.10982795","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 National Conference on Communications (NCC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W2143927285","https://openalex.org/W2969424089","https://openalex.org/W3005476696","https://openalex.org/W3119971803","https://openalex.org/W3129486236","https://openalex.org/W3160036209","https://openalex.org/W4385800638","https://openalex.org/W4386590401","https://openalex.org/W4399198310"],"related_works":["https://openalex.org/W2548963335","https://openalex.org/W2159941915","https://openalex.org/W1995129237","https://openalex.org/W4388081250","https://openalex.org/W2909457694","https://openalex.org/W1761601995","https://openalex.org/W2904599916","https://openalex.org/W4321608401","https://openalex.org/W4300468626","https://openalex.org/W3193749313"],"abstract_inverted_index":{"Joint":[0],"beamforming":[1,88],"and":[2,34,66,89],"Intelligent":[3],"Reflecting":[4],"Surface":[5],"(IRS)":[6],"phase":[7,92],"optimization":[8,22,93,123],"for":[9,94,119],"the":[10,97,105,112,121],"Multiuser":[11],"Multiple-Input":[12],"Single-Output":[13],"(MU-MISO)":[14],"downlink":[15],"has":[16],"been":[17],"studied":[18],"recently.":[19],"Two":[20],"such":[21],"problems":[23,44],"are:":[24],"Weighted":[25],"sum":[26],"rate":[27,39],"maximization":[28],"under":[29,38],"a":[30],"transmit":[31,35],"power":[32,36],"constraint,":[33],"minimization":[37],"constraints.":[40],"Since":[41],"these":[42,62],"multiuser":[43],"are":[45,49],"non-convex,":[46],"existing":[47],"solutions":[48],"based":[50,80],"on":[51,81],"iterative":[52],"algorithms":[53,63,116],"like":[54,117],"block":[55],"coordinate":[56],"descent":[57],"(BCD).":[58],"The":[59],"complexity":[60,78],"of":[61,96],"is":[64,68],"high":[65],"convergence":[67],"also":[69],"an":[70],"issue.":[71],"In":[72],"this":[73],"paper,":[74],"we":[75,102],"propose":[76],"low":[77],"methods":[79,107],"dynamic":[82],"user":[83],"selection":[84],"combined":[85],"with":[86],"linear":[87],"single-user":[90],"RIS":[91],"one":[95],"selected":[98],"users.":[99],"Using":[100],"simulations,":[101],"demonstrate":[103],"that":[104],"proposed":[106],"can":[108],"perform":[109],"close":[110],"to":[111],"solution":[113],"provided":[114],"by":[115],"BCD":[118],"both":[120],"above":[122],"problems.":[124]},"counts_by_year":[],"updated_date":"2026-04-21T08:09:41.155169","created_date":"2025-10-10T00:00:00"}