{"id":"https://openalex.org/W4402834125","doi":"https://doi.org/10.1109/vtc2024-spring62846.2024.10683055","title":"MSE Minimization in RIS-Aided MU-MIMO with Discrete Phase Shifts and Fronthaul Quantization","display_name":"MSE Minimization in RIS-Aided MU-MIMO with Discrete Phase Shifts and Fronthaul Quantization","publication_year":2024,"publication_date":"2024-06-24","ids":{"openalex":"https://openalex.org/W4402834125","doi":"https://doi.org/10.1109/vtc2024-spring62846.2024.10683055"},"language":"en","primary_location":{"id":"doi:10.1109/vtc2024-spring62846.2024.10683055","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtc2024-spring62846.2024.10683055","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE 99th Vehicular Technology Conference (VTC2024-Spring)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5053814548","display_name":"Parisa Ramezani","orcid":"https://orcid.org/0000-0002-8822-6412"},"institutions":[{"id":"https://openalex.org/I86987016","display_name":"KTH Royal Institute of Technology","ror":"https://ror.org/026vcq606","country_code":"SE","type":"education","lineage":["https://openalex.org/I86987016"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Parisa Ramezani","raw_affiliation_strings":["KTH Royal Institute of Technology,Department of Computer Science,Stockholm,Sweden"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"KTH Royal Institute of Technology,Department of Computer Science,Stockholm,Sweden","institution_ids":["https://openalex.org/I86987016"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063052685","display_name":"Yasaman Khorsandmanesh","orcid":null},"institutions":[{"id":"https://openalex.org/I86987016","display_name":"KTH Royal Institute of Technology","ror":"https://ror.org/026vcq606","country_code":"SE","type":"education","lineage":["https://openalex.org/I86987016"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Yasaman Khorsandmanesh","raw_affiliation_strings":["KTH Royal Institute of Technology,Department of Computer Science,Stockholm,Sweden"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"KTH Royal Institute of Technology,Department of Computer Science,Stockholm,Sweden","institution_ids":["https://openalex.org/I86987016"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5062293532","display_name":"Emil Bj\u00f6rnson","orcid":"https://orcid.org/0000-0002-5954-434X"},"institutions":[{"id":"https://openalex.org/I86987016","display_name":"KTH Royal Institute of Technology","ror":"https://ror.org/026vcq606","country_code":"SE","type":"education","lineage":["https://openalex.org/I86987016"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Emil Bj\u00f6rnson","raw_affiliation_strings":["KTH Royal Institute of Technology,Department of Computer Science,Stockholm,Sweden"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"KTH Royal Institute of Technology,Department of Computer Science,Stockholm,Sweden","institution_ids":["https://openalex.org/I86987016"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I86987016"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9958999752998352,"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":0.9958999752998352,"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/T10767","display_name":"Advanced Photonic Communication Systems","score":0.9944000244140625,"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/T10232","display_name":"Optical Network Technologies","score":0.9758999943733215,"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/quantization","display_name":"Quantization (signal processing)","score":0.6350454092025757},{"id":"https://openalex.org/keywords/minification","display_name":"Minification","score":0.5568163990974426},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.5022413730621338},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4952169954776764},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3458024263381958},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.21484649181365967},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.2091071903705597},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.14416369795799255}],"concepts":[{"id":"https://openalex.org/C28855332","wikidata":"https://www.wikidata.org/wiki/Q198099","display_name":"Quantization (signal processing)","level":2,"score":0.6350454092025757},{"id":"https://openalex.org/C147764199","wikidata":"https://www.wikidata.org/wiki/Q6865248","display_name":"Minification","level":2,"score":0.5568163990974426},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.5022413730621338},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4952169954776764},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3458024263381958},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.21484649181365967},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2091071903705597},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.14416369795799255},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/vtc2024-spring62846.2024.10683055","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtc2024-spring62846.2024.10683055","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE 99th Vehicular Technology Conference (VTC2024-Spring)","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":13,"referenced_works":["https://openalex.org/W1526933574","https://openalex.org/W1540764732","https://openalex.org/W2020644915","https://openalex.org/W2105147296","https://openalex.org/W2140940105","https://openalex.org/W2948573205","https://openalex.org/W2963460596","https://openalex.org/W3021225717","https://openalex.org/W3034533409","https://openalex.org/W3193181629","https://openalex.org/W4323022385","https://openalex.org/W4387883671","https://openalex.org/W4391382301"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052","https://openalex.org/W2382290278","https://openalex.org/W4395014643"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3],"consider":[4],"a":[5,14],"downlink":[6],"multi-user":[7],"multiple-input":[8],"multiple-output":[9],"(MU-MIMO)":[10],"communication":[11],"assisted":[12],"by":[13],"reconfigurable":[15],"intelligent":[16],"surface":[17],"(RIS)":[18],"and":[19,23,41,58,75,83,109],"study":[20],"the":[21,34,38,42,50,64,71,80,87,95,102,105,115],"precoding":[22,81],"RIS":[24,46,73,84],"configuration":[25,85],"design":[26],"under":[27],"practical":[28],"system":[29,116],"constraints.":[30],"These":[31],"constraints":[32],"include":[33],"limited-capacity":[35],"fronthaul":[36],"at":[37],"transmitter":[39],"side":[40],"finite":[43],"resolution":[44],"of":[45,104],"elements.":[47],"We":[48,78,99],"investigate":[49],"sum":[51],"mean":[52],"squared":[53],"error":[54],"(MSE)":[55],"minimization":[56],"problem":[57],"propose":[59],"an":[60],"algorithm":[61],"based":[62],"on":[63],"block":[65],"coordinate":[66],"descent":[67],"method":[68,92],"to":[69],"optimize":[70],"precoding,":[72],"configuration,":[74],"receiver":[76],"gains.":[77],"compute":[79],"vectors":[82],"using":[86],"Schnorr-Euchner":[88],"sphere":[89],"decoding":[90],"(SESD)":[91],"which":[93],"delivers":[94],"optimal":[96],"MSE-minimizing":[97],"solution.":[98],"numerically":[100],"evaluate":[101],"performance":[103],"proposed":[106],"SESD-based":[107],"methods":[108],"corroborate":[110],"their":[111],"effectiveness":[112],"in":[113],"improving":[114],"performance.":[117]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
