{"id":"https://openalex.org/W4384916802","doi":"https://doi.org/10.1109/tvt.2023.3294529","title":"On DoF of Active RIS-Assisted MIMO Interference Channel With Arbitrary Antenna Configurations: When Will RIS Help?","display_name":"On DoF of Active RIS-Assisted MIMO Interference Channel With Arbitrary Antenna Configurations: When Will RIS Help?","publication_year":2023,"publication_date":"2023-07-19","ids":{"openalex":"https://openalex.org/W4384916802","doi":"https://doi.org/10.1109/tvt.2023.3294529"},"language":"en","primary_location":{"id":"doi:10.1109/tvt.2023.3294529","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2023.3294529","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Vehicular Technology","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/A5101498249","display_name":"Shuo Zheng","orcid":"https://orcid.org/0000-0003-2982-2094"},"institutions":[{"id":"https://openalex.org/I3045169105","display_name":"Southern University of Science and Technology","ror":"https://ror.org/049tv2d57","country_code":"CN","type":"education","lineage":["https://openalex.org/I3045169105"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shuo Zheng","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen, China"],"raw_orcid":"https://orcid.org/0000-0003-2982-2094","affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen, China","institution_ids":["https://openalex.org/I3045169105"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067841793","display_name":"Bojie Lv","orcid":"https://orcid.org/0009-0007-2437-7397"},"institutions":[{"id":"https://openalex.org/I3045169105","display_name":"Southern University of Science and Technology","ror":"https://ror.org/049tv2d57","country_code":"CN","type":"education","lineage":["https://openalex.org/I3045169105"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bojie Lv","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen, China","institution_ids":["https://openalex.org/I3045169105"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075254989","display_name":"Tong Zhang","orcid":"https://orcid.org/0000-0002-6770-0664"},"institutions":[{"id":"https://openalex.org/I159948400","display_name":"Jinan University","ror":"https://ror.org/02xe5ns62","country_code":"CN","type":"education","lineage":["https://openalex.org/I159948400"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tong Zhang","raw_affiliation_strings":["Department of Electronic Engineering, College of Information Science and Technology, Jinan University, Guangzhou, China"],"raw_orcid":"https://orcid.org/0000-0002-6770-0664","affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, College of Information Science and Technology, Jinan University, Guangzhou, China","institution_ids":["https://openalex.org/I159948400"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014227402","display_name":"Yinfei Xu","orcid":"https://orcid.org/0000-0003-3191-6903"},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yinfei Xu","raw_affiliation_strings":["School of Information Science and Engineering, Southeast University, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0003-3191-6903","affiliations":[{"raw_affiliation_string":"School of Information Science and Engineering, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012861792","display_name":"Gaojie Chen","orcid":"https://orcid.org/0000-0003-2978-0365"},"institutions":[{"id":"https://openalex.org/I28290843","display_name":"University of Surrey","ror":"https://ror.org/00ks66431","country_code":"GB","type":"education","lineage":["https://openalex.org/I28290843"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Gaojie Chen","raw_affiliation_strings":["5GIC and 6GIC, Institute for Communication Systems, University of Surrey, Guildford, U.K"],"raw_orcid":"https://orcid.org/0000-0003-2978-0365","affiliations":[{"raw_affiliation_string":"5GIC and 6GIC, Institute for Communication Systems, University of Surrey, Guildford, U.K","institution_ids":["https://openalex.org/I28290843"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100431342","display_name":"Rui Wang","orcid":"https://orcid.org/0000-0003-0044-8932"},"institutions":[{"id":"https://openalex.org/I3045169105","display_name":"Southern University of Science and Technology","ror":"https://ror.org/049tv2d57","country_code":"CN","type":"education","lineage":["https://openalex.org/I3045169105"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Rui Wang","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen, China"],"raw_orcid":"https://orcid.org/0000-0003-0044-8932","affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen, China","institution_ids":["https://openalex.org/I3045169105"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5062365583","display_name":"P.C. Ching","orcid":"https://orcid.org/0000-0002-4692-8707"},"institutions":[{"id":"https://openalex.org/I177725633","display_name":"Chinese University of Hong Kong","ror":"https://ror.org/00t33hh48","country_code":"HK","type":"education","lineage":["https://openalex.org/I177725633"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"P. C. Ching","raw_affiliation_strings":["Department of Electronic Engineering, The Chinese University of Hong Kong, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0002-4692-8707","affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, The Chinese University of Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I177725633"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2345,"currency":"USD","value_usd":2345},"apc_paid":null,"fwci":1.4093,"has_fulltext":false,"cited_by_count":17,"citation_normalized_percentile":{"value":0.80108734,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":93,"max":99},"biblio":{"volume":"72","issue":"12","first_page":"16828","last_page":"16833"},"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/T12989","display_name":"Ocular Disorders and Treatments","score":0.9703999757766724,"subfield":{"id":"https://openalex.org/subfields/1311","display_name":"Genetics"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9416999816894531,"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/mimo","display_name":"MIMO","score":0.8359419703483582},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.782781183719635},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.7262125015258789},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.6564578413963318},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.5528970956802368},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5137997269630432},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4948202967643738},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4858953356742859},{"id":"https://openalex.org/keywords/multi-user-mimo","display_name":"Multi-user MIMO","score":0.47075894474983215},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.3936139941215515},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.3854835629463196},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.32472413778305054},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2928628623485565},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.19226595759391785}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.8359419703483582},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.782781183719635},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.7262125015258789},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.6564578413963318},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.5528970956802368},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5137997269630432},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4948202967643738},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4858953356742859},{"id":"https://openalex.org/C91330434","wikidata":"https://www.wikidata.org/wiki/Q738298","display_name":"Multi-user MIMO","level":4,"score":0.47075894474983215},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.3936139941215515},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.3854835629463196},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.32472413778305054},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2928628623485565},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.19226595759391785},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tvt.2023.3294529","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2023.3294529","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Vehicular Technology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16","score":0.7699999809265137}],"awards":[{"id":"https://openalex.org/G3472697216","display_name":null,"funder_award_id":"11623336","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G6441808877","display_name":null,"funder_award_id":"62171213","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320324856","display_name":"Southeast University","ror":"https://ror.org/04ct4d772"},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W2162370583","https://openalex.org/W3043220753","https://openalex.org/W3197144189","https://openalex.org/W3203675995","https://openalex.org/W3205949397","https://openalex.org/W4214727170","https://openalex.org/W4220697450","https://openalex.org/W4226330086","https://openalex.org/W4312378814","https://openalex.org/W4381735894","https://openalex.org/W4384916802","https://openalex.org/W6847049625"],"related_works":["https://openalex.org/W2724724053","https://openalex.org/W2545343974","https://openalex.org/W1500439066","https://openalex.org/W2542194775","https://openalex.org/W2182661536","https://openalex.org/W2955108753","https://openalex.org/W1987031311","https://openalex.org/W1969186191","https://openalex.org/W1984506270","https://openalex.org/W2059045613"],"abstract_inverted_index":{"An":[0],"active":[1,49,67],"reconfigurable":[2],"intelligent":[3],"surface":[4],"(RIS)":[5],"has":[6],"been":[7],"shown":[8],"to":[9,12,53,88,95,106,135],"be":[10,125],"able":[11],"enhance":[13],"the":[14,55,63,90,97,108,120,128,144,150,153,159],"sum-of-degrees-of-freedom":[15],"(DoF)":[16],"of":[17,29,40,65,110,130,143,155],"a":[18,118,136,140],"two-user":[19,69,131],"multiple-input":[20],"multiple-output":[21],"(MIMO)":[22],"interference":[23,83,91,112],"channel":[24],"(IC)":[25],"with":[26,72],"equal":[27],"number":[28,39,109,154],"antennas":[30],"at":[31],"each":[32],"transmitter":[33],"and":[34,42,46,82,158],"receiver.":[35],"However,":[36],"for":[37],"any":[38],"receive":[41],"transmit":[43,80],"antennas,":[44],"when":[45],"how":[47],"an":[48,66,100],"RIS":[50,78,115,137,145,156],"can":[51,124],"help":[52],"improve":[54],"sum-DoF":[56,64,123,129],"are":[57,85],"still":[58],"unclear.":[59],"This":[60],"paper":[61],"studies":[62],"RIS-assisted":[68],"MIMO":[70,132],"IC":[71],"arbitrary":[73],"antenna":[74,160],"configurations.":[75],"In":[76,93],"particular,":[77],"beamforming,":[79],"zero-forcing,":[81],"decoding":[84],"integrated":[86],"together":[87],"combat":[89],"problem.":[92],"order":[94],"maximize":[96],"achievable":[98,122],"sum-DoF,":[99],"integer":[101],"optimization":[102],"problem":[103],"is":[104,147],"formulated":[105],"optimize":[107],"eliminating":[111],"links":[113],"by":[114],"beamforming.":[116],"As":[117],"result,":[119],"derived":[121],"higher":[126],"than":[127],"IC,":[133],"leading":[134],"gain.":[138],"Furthermore,":[139],"sufficient":[141],"condition":[142],"gain":[146],"given":[148],"as":[149],"relationship":[151],"between":[152],"elements":[157],"configuration.":[161]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":7},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":2}],"updated_date":"2026-08-28T12:50:07.497085","created_date":"2025-10-10T00:00:00"}