{"id":"https://openalex.org/W2996693804","doi":null,"title":"Multiple Antenna Multicast Transmission Assisted by Reconfigurable Intelligent Surfaces","display_name":"Multiple Antenna Multicast Transmission Assisted by Reconfigurable Intelligent Surfaces","publication_year":2019,"publication_date":"2019-12-17","ids":{"openalex":"https://openalex.org/W2996693804","mag":"2996693804"},"language":"en","primary_location":{"id":"mag:2996693804","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/pdf/1912.07960.pdf","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"arXiv (Cornell University)","raw_type":null},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://arxiv.org/pdf/1912.07960.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5061386940","display_name":"Linsong Du","orcid":"https://orcid.org/0000-0002-7185-9889","observed_orcids":["https://orcid.org/0000-0002-7185-9889"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Linsong Du","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-7185-9889","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100743744","display_name":"Jianhui Ma","orcid":"https://orcid.org/0000-0003-1000-2184","observed_orcids":["https://orcid.org/0000-0003-1000-2184"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jianhui Ma","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0003-1000-2184","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009526271","display_name":"Qinpeng Liang","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Qinpeng Liang","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5102209415","display_name":"Youxi Tang","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Youxi Tang","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"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/T11383","display_name":"Advanced Antenna and Metasurface Technologies","score":0.0,"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/T10851","display_name":"Optical Wireless Communication Technologies","score":0.0,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/reconfigurable-intelligent-surface","display_name":"reconfigurable intelligent surface","score":0.9010000228881836},{"id":"https://openalex.org/keywords/multicast","display_name":"multicast","score":0.9670000076293945},{"id":"https://openalex.org/keywords/multiple-antenna-base-station","display_name":"multiple-antenna base station","score":0.8370000123977661},{"id":"https://openalex.org/keywords/amplify-and-forward-relaying","display_name":"amplify-and-forward relaying","score":0.8489999771118164},{"id":"https://openalex.org/keywords/phase-shift-optimization","display_name":"phase shift optimization","score":0.8109999895095825},{"id":"https://openalex.org/keywords/covariance-matrix-optimization","display_name":"covariance matrix optimization","score":0.6869999766349792},{"id":"https://openalex.org/keywords/capacity-maximization","display_name":"capacity maximization","score":0.800000011920929},{"id":"https://openalex.org/keywords/subgradient-method","display_name":"subgradient method","score":0.7319999933242798},{"id":"https://openalex.org/keywords/gradient-descent","display_name":"gradient descent","score":0.8299999833106995},{"id":"https://openalex.org/keywords/equivalent-channel-model","display_name":"equivalent channel model","score":0.7889999747276306}],"concepts":[{"id":"https://openalex.org/C32295351","wikidata":"https://www.wikidata.org/wiki/Q899288","display_name":"Multicast","level":2,"score":0.9081806540489197},{"id":"https://openalex.org/C50454189","wikidata":"https://www.wikidata.org/wiki/Q2075125","display_name":"Karush\u2013Kuhn\u2013Tucker conditions","level":2,"score":0.6550065875053406},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.635477602481842},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6302549839019775},{"id":"https://openalex.org/C2776330181","wikidata":"https://www.wikidata.org/wiki/Q18358244","display_name":"Maximization","level":2,"score":0.5858121514320374},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.5312081575393677},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.4124608337879181},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.32592082023620605},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.22875460982322693},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.22162580490112305},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:2996693804","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/pdf/1912.07960.pdf","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"arXiv (Cornell University)","raw_type":null}],"best_oa_location":{"id":"mag:2996693804","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/pdf/1912.07960.pdf","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"arXiv (Cornell University)","raw_type":null},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1977136309","https://openalex.org/W2084661953","https://openalex.org/W2097742702","https://openalex.org/W2103091915","https://openalex.org/W2296319761","https://openalex.org/W2611373201","https://openalex.org/W2735938380","https://openalex.org/W2808682734","https://openalex.org/W2963355537","https://openalex.org/W2966961911","https://openalex.org/W2969424089","https://openalex.org/W2970670564","https://openalex.org/W2990747873","https://openalex.org/W3000577820","https://openalex.org/W3036886449","https://openalex.org/W3045518381","https://openalex.org/W3094357447","https://openalex.org/W3140461181"],"related_works":["https://openalex.org/W3160119640","https://openalex.org/W3160088606","https://openalex.org/W4405440241","https://openalex.org/W4388040506","https://openalex.org/W7205342541","https://openalex.org/W4393380185","https://openalex.org/W4399527690","https://openalex.org/W3034986165","https://openalex.org/W4312540506","https://openalex.org/W3166049171"],"abstract_inverted_index":{"In":[0],"order":[1,224],"to":[2,30,41,79,95,118,204,212,251],"improve":[3],"the":[4,9,32,67,76,104,120,125,157,161,179,206,216,223,227,231,238,241],"multiple":[5],"antenna":[6],"multicasting":[7],"in":[8,210,220,237],"obstacles":[10],"environment,":[11],"a":[12,20,62,70,112,136,146,170,190],"reconfigurable":[13,24],"intelligent":[14],"surface":[15],"(RIS),":[16],"which":[17,134,151],"consists":[18],"of":[19,23,124,132,218,226,230,243],"large":[21],"number":[22],"reflecting":[25,244],"elements":[26],"each":[27],"being":[28],"able":[29],"reflect":[31],"received":[33],"signals":[34],"with":[35],"phase":[36,130],"shifts,":[37],"is":[38,52,88,108,116,135,182,235],"set":[39],"up":[40],"assist":[42,96],"multicast":[43,63,106,221,233],"transmission.":[44,98],"Since":[45],"RIS":[46,87,219],"hardly":[47],"consumes":[48],"any":[49],"energy,":[50],"it":[51],"more":[53,213],"environmental-friendly":[54],"than":[55],"conventional":[56],"relaying":[57],"mode.":[58],"This":[59],"paper":[60,185],"considers":[61],"transmission":[64],"assisted":[65],"by":[66,166],"RIS,":[68,133],"i.e.,":[69,149,198],"multiple-antennas":[71],"base":[72],"station":[73],"(BS)":[74],"sends":[75],"common":[77],"messages":[78],"$K$":[80],"single-antenna":[81],"mobile":[82],"users":[83],"(MUs),":[84],"where":[85],"an":[86,91],"deployed":[89],"as":[90,189],"amplify-and-forward":[92],"no-power":[93],"relay":[94],"this":[97,143,184,187],"An":[99],"equivalent":[100],"channel":[101],"model":[102],"for":[103,145,160,176],"considered":[105,232],"system":[107,234],"analyzed,":[109],"and":[110,129,156,169,193,200,248],"then":[111],"capacity":[113,229],"maximization":[114,180],"problem":[115,144,181,188],"formulated":[117],"obtain":[119],"optimal":[121,158,207],"covariance":[122],"matrix":[123],"transmitted":[126],"symbol":[127],"vector":[128],"shifts":[131],"non-convex":[137],"non-differentiable":[138],"problem.":[139],"First,":[140],"we":[141],"consider":[142],"special":[147],"scenario,":[148],"$K=2$,":[150],"owns":[152],"three":[153],"differentiable":[154,191],"cases,":[155],"solutions":[159],"threes":[162],"cases":[163],"are":[164],"obtained":[165,236],"KKT":[167],"conditions":[168],"proposed":[171],"numerical":[172,196],"algorithm,":[173],"respectively.":[174],"Then,":[175],"$K>2$,":[177],"since":[178],"non-differentiable,":[183],"reformulates":[186],"problem,":[192],"proposes":[194],"two":[195],"algorithms,":[197],"subgradient":[199],"gradient":[201],"descent":[202],"methods,":[203],"approach":[205],"solution.":[208],"Finally,":[209],"oder":[211],"intuitively":[214],"comprehend":[215],"performances":[217],"transmission,":[222],"growth":[225],"maximum":[228],"scenarios":[239],"that":[240],"numbers":[242],"elements,":[245],"BS":[246],"antennas,":[247],"MUs":[249],"go":[250],"infinity.":[252]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2019-12-26T00:00:00"}