{"id":"https://openalex.org/W4414404909","doi":"https://doi.org/10.1109/tbc.2025.3609082","title":"Discrete Reflection Coefficients RIS for Interference Suppression in Multicast Transmissions","display_name":"Discrete Reflection Coefficients RIS for Interference Suppression in Multicast Transmissions","publication_year":2025,"publication_date":"2025-09-22","ids":{"openalex":"https://openalex.org/W4414404909","doi":"https://doi.org/10.1109/tbc.2025.3609082"},"language":"en","primary_location":{"id":"doi:10.1109/tbc.2025.3609082","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tbc.2025.3609082","pdf_url":null,"source":{"id":"https://openalex.org/S100142436","display_name":"IEEE Transactions on Broadcasting","issn_l":"0018-9316","issn":["0018-9316","1557-9611"],"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 Broadcasting","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/A5061386940","display_name":"Linsong Du","orcid":"https://orcid.org/0000-0002-7185-9889"},"institutions":[{"id":"https://openalex.org/I4800084","display_name":"Southwest Jiaotong University","ror":"https://ror.org/00hn7w693","country_code":"CN","type":"education","lineage":["https://openalex.org/I4800084"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Linsong Du","raw_affiliation_strings":["Information Coding and Transmission Key Laboratory of Sichuan Province, CSNMT International Cooperation Research Centre (MoST), Southwest Jiaotong University, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0002-7185-9889","affiliations":[{"raw_affiliation_string":"Information Coding and Transmission Key Laboratory of Sichuan Province, CSNMT International Cooperation Research Centre (MoST), Southwest Jiaotong University, Chengdu, China","institution_ids":["https://openalex.org/I4800084"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011446060","display_name":"Qingpeng Liang","orcid":"https://orcid.org/0000-0002-3953-5593"},"institutions":[{"id":"https://openalex.org/I4800084","display_name":"Southwest Jiaotong University","ror":"https://ror.org/00hn7w693","country_code":"CN","type":"education","lineage":["https://openalex.org/I4800084"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qingpeng Liang","raw_affiliation_strings":["Information Coding and Transmission Key Laboratory of Sichuan Province, CSNMT International Cooperation Research Centre (MoST), Southwest Jiaotong University, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0002-3953-5593","affiliations":[{"raw_affiliation_string":"Information Coding and Transmission Key Laboratory of Sichuan Province, CSNMT International Cooperation Research Centre (MoST), Southwest Jiaotong University, Chengdu, China","institution_ids":["https://openalex.org/I4800084"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101880047","display_name":"Pingzhi Fan","orcid":"https://orcid.org/0000-0002-8281-6251"},"institutions":[{"id":"https://openalex.org/I4800084","display_name":"Southwest Jiaotong University","ror":"https://ror.org/00hn7w693","country_code":"CN","type":"education","lineage":["https://openalex.org/I4800084"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Pingzhi Fan","raw_affiliation_strings":["Information Coding and Transmission Key Laboratory of Sichuan Province, CSNMT International Cooperation Research Centre (MoST), Southwest Jiaotong University, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0002-8281-6251","affiliations":[{"raw_affiliation_string":"Information Coding and Transmission Key Laboratory of Sichuan Province, CSNMT International Cooperation Research Centre (MoST), Southwest Jiaotong University, Chengdu, China","institution_ids":["https://openalex.org/I4800084"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101839267","display_name":"Zheng Ma","orcid":"https://orcid.org/0000-0003-1683-4299"},"institutions":[{"id":"https://openalex.org/I4800084","display_name":"Southwest Jiaotong University","ror":"https://ror.org/00hn7w693","country_code":"CN","type":"education","lineage":["https://openalex.org/I4800084"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zheng Ma","raw_affiliation_strings":["Information Coding and Transmission Key Laboratory of Sichuan Province, CSNMT International Cooperation Research Centre (MoST), Southwest Jiaotong University, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0003-1683-4299","affiliations":[{"raw_affiliation_string":"Information Coding and Transmission Key Laboratory of Sichuan Province, CSNMT International Cooperation Research Centre (MoST), Southwest Jiaotong University, Chengdu, China","institution_ids":["https://openalex.org/I4800084"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4800084"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.21289435,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"72","issue":"1","first_page":"130","last_page":"143"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9384999871253967,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9384999871253967,"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9330000281333923,"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/T12146","display_name":"Power Line Communications and Noise","score":0.9329000115394592,"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/multicast","display_name":"Multicast","score":0.7961999773979187},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.602400004863739},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.6015999913215637},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.5669000148773193},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.5425999760627747},{"id":"https://openalex.org/keywords/reflection","display_name":"Reflection (computer programming)","score":0.5353999733924866},{"id":"https://openalex.org/keywords/single-antenna-interference-cancellation","display_name":"Single antenna interference cancellation","score":0.4066999852657318},{"id":"https://openalex.org/keywords/bisection-method","display_name":"Bisection method","score":0.3702999949455261},{"id":"https://openalex.org/keywords/gaussian","display_name":"Gaussian","score":0.36660000681877136}],"concepts":[{"id":"https://openalex.org/C32295351","wikidata":"https://www.wikidata.org/wiki/Q899288","display_name":"Multicast","level":2,"score":0.7961999773979187},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.602400004863739},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.6015999913215637},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5871999859809875},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.5669000148773193},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.5425999760627747},{"id":"https://openalex.org/C65682993","wikidata":"https://www.wikidata.org/wiki/Q1056451","display_name":"Reflection (computer programming)","level":2,"score":0.5353999733924866},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4440000057220459},{"id":"https://openalex.org/C83204339","wikidata":"https://www.wikidata.org/wiki/Q7523915","display_name":"Single antenna interference cancellation","level":3,"score":0.4066999852657318},{"id":"https://openalex.org/C157544257","wikidata":"https://www.wikidata.org/wiki/Q866300","display_name":"Bisection method","level":2,"score":0.3702999949455261},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.36660000681877136},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.3589000105857849},{"id":"https://openalex.org/C178650346","wikidata":"https://www.wikidata.org/wiki/Q201984","display_name":"Covariance","level":2,"score":0.3564000129699707},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.35109999775886536},{"id":"https://openalex.org/C134222854","wikidata":"https://www.wikidata.org/wiki/Q4683140","display_name":"Adjacent-channel interference","level":4,"score":0.3495999872684479},{"id":"https://openalex.org/C2776330181","wikidata":"https://www.wikidata.org/wiki/Q18358244","display_name":"Maximization","level":2,"score":0.3407000005245209},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.325300008058548},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.32429999113082886},{"id":"https://openalex.org/C27753989","wikidata":"https://www.wikidata.org/wiki/Q284885","display_name":"Superposition principle","level":2,"score":0.32019999623298645},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.30660000443458557},{"id":"https://openalex.org/C6532628","wikidata":"https://www.wikidata.org/wiki/Q5137431","display_name":"Co-channel interference","level":4,"score":0.2930999994277954},{"id":"https://openalex.org/C147710293","wikidata":"https://www.wikidata.org/wiki/Q849428","display_name":"Toeplitz matrix","level":2,"score":0.28859999775886536},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.2750999927520752},{"id":"https://openalex.org/C41700454","wikidata":"https://www.wikidata.org/wiki/Q1852282","display_name":"Reflection coefficient","level":2,"score":0.27129998803138733},{"id":"https://openalex.org/C173801870","wikidata":"https://www.wikidata.org/wiki/Q201413","display_name":"Heuristic","level":2,"score":0.25760000944137573},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.2558000087738037}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tbc.2025.3609082","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tbc.2025.3609082","pdf_url":null,"source":{"id":"https://openalex.org/S100142436","display_name":"IEEE Transactions on Broadcasting","issn_l":"0018-9316","issn":["0018-9316","1557-9611"],"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 Broadcasting","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2293099313","display_name":null,"funder_award_id":"2024NSFSC0512","funder_id":"https://openalex.org/F4320329861","funder_display_name":"Natural Science Foundation of Sichuan Province"},{"id":"https://openalex.org/G2678134580","display_name":null,"funder_award_id":"IFN202407","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/F4320329861","display_name":"Natural Science Foundation of Sichuan Province","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":43,"referenced_works":["https://openalex.org/W1996215314","https://openalex.org/W2007104311","https://openalex.org/W2103091915","https://openalex.org/W2116892352","https://openalex.org/W2124488712","https://openalex.org/W2134686390","https://openalex.org/W2141761557","https://openalex.org/W2149787135","https://openalex.org/W2612720649","https://openalex.org/W2747256824","https://openalex.org/W2963132464","https://openalex.org/W2963287650","https://openalex.org/W2990747873","https://openalex.org/W3034986165","https://openalex.org/W3135557895","https://openalex.org/W3154003282","https://openalex.org/W3155222786","https://openalex.org/W3160119640","https://openalex.org/W3199600199","https://openalex.org/W3208102477","https://openalex.org/W3210267130","https://openalex.org/W4205426731","https://openalex.org/W4206196235","https://openalex.org/W4210732939","https://openalex.org/W4236826464","https://openalex.org/W4248560724","https://openalex.org/W4250589301","https://openalex.org/W4285121037","https://openalex.org/W4287887619","https://openalex.org/W4312880298","https://openalex.org/W4312927958","https://openalex.org/W4312957855","https://openalex.org/W4387415183","https://openalex.org/W4388040506","https://openalex.org/W4389041165","https://openalex.org/W4396949284","https://openalex.org/W4401507895","https://openalex.org/W4403407630","https://openalex.org/W4406457618","https://openalex.org/W4407938024","https://openalex.org/W4408047857","https://openalex.org/W4408223268","https://openalex.org/W4411203585"],"related_works":[],"abstract_inverted_index":{"Reconfigurable":[0],"Intelligent":[1],"Surface":[2],"(RIS)":[3],"introduces":[4],"a":[5,77,97],"novel":[6],"strategy":[7],"for":[8,134],"mitigating":[9],"channel":[10,65,70,129,153],"interference.":[11,172],"However,":[12],"the":[13,46,63,68,81,87,93,107,127,140,149,160,165,169],"assumption":[14],"of":[15,57,143,152,171],"continuous":[16],"reflection":[17,50],"coefficients":[18,51],"(CRC)":[19],"in":[20,41,168],"most":[21],"existing":[22],"studies":[23],"on":[24,38],"interference":[25,39,69,124,128],"neutralization":[26,40],"utilizing":[27],"RIS":[28,55,161],"is":[29,59,84,146],"unrealistic":[30],"due":[31],"to":[32,61,119],"hardware":[33],"constraints.":[34],"This":[35],"work":[36],"centers":[37],"RIS-supported":[42],"multicast":[43,64,136,166],"transmission":[44],"with":[45,116],"more":[47],"common":[48],"discrete":[49],"(DRC).":[52],"Here,":[53],"an":[54,101],"comprised":[56],"reflectors":[58],"utilized":[60],"improve":[62],"and":[66,96,109],"diminish":[67],"by":[71,91,125],"designing":[72],"DRC.":[73],"In":[74],"this":[75,157],"context,":[76],"problem":[78],"that":[79,159],"maximizes":[80],"signal-to-interference-plus-noise":[82],"ratio":[83],"defined":[85],"as":[86],"attainable":[88],"rate":[89,145,167],"maximization":[90],"choosing":[92],"feasible":[94],"DRC":[95,108],"beamforming":[98,110],"vector.":[99,111],"First,":[100],"alternating":[102],"optimization":[103],"approach":[104],"iteratively":[105],"updates":[106],"It":[112],"combines":[113],"Gaussian":[114],"randomization":[115],"bisection":[117],"search":[118],"solve":[120],"feasibility":[121],"problems,":[122],"neutralizing":[123],"adjusting":[126],"without":[130],"cooperator":[131],"involvement.":[132],"Then,":[133],"RIS-assisted":[135],"under":[137],"millimeter-wave":[138],"interference,":[139],"asymptotic":[141],"behaviors":[142],"achievable":[144],"analyzed":[147],"via":[148],"Toeplitz":[150],"structure":[151],"covariance":[154],"matrices.":[155],"Last,":[156],"demonstrates":[158],"can":[162],"greatly":[163],"enhance":[164],"presence":[170]},"counts_by_year":[],"updated_date":"2026-03-09T07:00:12.390032","created_date":"2025-10-10T00:00:00"}
