{"id":"https://openalex.org/W2027636183","doi":"https://doi.org/10.1109/vtcfall.2012.6398897","title":"Collaborative Relay-Based Multiuser Beamforming in Cellular Systems","display_name":"Collaborative Relay-Based Multiuser Beamforming in Cellular Systems","publication_year":2012,"publication_date":"2012-09-01","ids":{"openalex":"https://openalex.org/W2027636183","doi":"https://doi.org/10.1109/vtcfall.2012.6398897","mag":"2027636183"},"language":"en","primary_location":{"id":"doi:10.1109/vtcfall.2012.6398897","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtcfall.2012.6398897","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE Vehicular Technology Conference (VTC Fall)","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/A5100418336","display_name":"Chen Chen","orcid":"https://orcid.org/0000-0001-5058-6749"},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Chen Chen","raw_affiliation_strings":["State Key Laboratory of Advanced Optical Communication Systems and Networks School of Electronics Engineering and Computer Science, Peking University, Beijing, China","Sch. of Electron. Eng. & Comput. Sci., Peking Univ., Beijing, , China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Advanced Optical Communication Systems and Networks School of Electronics Engineering and Computer Science, Peking University, Beijing, China","institution_ids":["https://openalex.org/I20231570"]},{"raw_affiliation_string":"Sch. of Electron. Eng. & Comput. Sci., Peking Univ., Beijing, , China","institution_ids":["https://openalex.org/I20231570"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072780525","display_name":"Lin Bai","orcid":"https://orcid.org/0000-0001-5705-0912"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lin Bai","raw_affiliation_strings":["School of Electronic and Information Engineering, Beihang University, Beijing, China","Sch. of Electron. & Inf. Eng., Beihang Univ., Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]},{"raw_affiliation_string":"Sch. of Electron. & Inf. Eng., Beihang Univ., Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100359329","display_name":"Da Wang","orcid":"https://orcid.org/0000-0002-0365-5673"},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Da Wang","raw_affiliation_strings":["State Key Laboratory of Advanced Optical Communication Systems and Networks School of Electronics Engineering and Computer Science, Peking University, Beijing, China","Sch. of Electron. Eng. & Comput. Sci., Peking Univ., Beijing, , China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Advanced Optical Communication Systems and Networks School of Electronics Engineering and Computer Science, Peking University, Beijing, China","institution_ids":["https://openalex.org/I20231570"]},{"raw_affiliation_string":"Sch. of Electron. Eng. & Comput. Sci., Peking Univ., Beijing, , China","institution_ids":["https://openalex.org/I20231570"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101492539","display_name":"Ye Jin","orcid":"https://orcid.org/0000-0001-8087-6333"},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ye Jin","raw_affiliation_strings":["State Key Laboratory of Advanced Optical Communication Systems and Networks School of Electronics Engineering and Computer Science, Peking University, Beijing, China","Sch. of Electron. Eng. & Comput. Sci., Peking Univ., Beijing, , China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Advanced Optical Communication Systems and Networks School of Electronics Engineering and Computer Science, Peking University, Beijing, China","institution_ids":["https://openalex.org/I20231570"]},{"raw_affiliation_string":"Sch. of Electron. Eng. & Comput. Sci., Peking Univ., Beijing, , China","institution_ids":["https://openalex.org/I20231570"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5022303970","display_name":"Jinho Choi","orcid":"https://orcid.org/0000-0002-4895-6680"},"institutions":[{"id":"https://openalex.org/I39586589","display_name":"Swansea University","ror":"https://ror.org/053fq8t95","country_code":"GB","type":"education","lineage":["https://openalex.org/I39586589"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Jinho Choi","raw_affiliation_strings":["College of Engineering, Swansea University, Swansea, UK","College of Engineering, Swansea University, Swansea, UK -"],"affiliations":[{"raw_affiliation_string":"College of Engineering, Swansea University, Swansea, UK","institution_ids":["https://openalex.org/I39586589"]},{"raw_affiliation_string":"College of Engineering, Swansea University, Swansea, UK -","institution_ids":["https://openalex.org/I39586589"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5100418336"],"corresponding_institution_ids":["https://openalex.org/I20231570"],"apc_list":null,"apc_paid":null,"fwci":0.3716,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.63905006,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"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/T10796","display_name":"Cooperative Communication and Network Coding","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9993000030517578,"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/beamforming","display_name":"Beamforming","score":0.9155715107917786},{"id":"https://openalex.org/keywords/relay","display_name":"Relay","score":0.8601125478744507},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7239394187927246},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.6925654411315918},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.6071853637695312},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.5981074571609497},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.5424014925956726},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.5418887734413147},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.5295190215110779},{"id":"https://openalex.org/keywords/wsdma","display_name":"WSDMA","score":0.4670509397983551},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.43241187930107117},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3700762093067169},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.3429272770881653},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.3425402045249939},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.33765214681625366},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2122955024242401},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.16584452986717224}],"concepts":[{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.9155715107917786},{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.8601125478744507},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7239394187927246},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6925654411315918},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.6071853637695312},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.5981074571609497},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.5424014925956726},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.5418887734413147},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.5295190215110779},{"id":"https://openalex.org/C57466844","wikidata":"https://www.wikidata.org/wiki/Q7955559","display_name":"WSDMA","level":5,"score":0.4670509397983551},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.43241187930107117},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3700762093067169},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.3429272770881653},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.3425402045249939},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.33765214681625366},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2122955024242401},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.16584452986717224},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"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/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/vtcfall.2012.6398897","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtcfall.2012.6398897","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE Vehicular Technology Conference (VTC Fall)","raw_type":"proceedings-article"},{"id":"pmh:oai:dro.deakin.edu.au:DU:30124691","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4306401102","display_name":"Own your potential (DEAKIN)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I149704539","host_organization_name":"Deakin University","host_organization_lineage":["https://openalex.org/I149704539"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference Paper"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8999999761581421,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W312813459","https://openalex.org/W2098567664","https://openalex.org/W2102636795","https://openalex.org/W2108422765","https://openalex.org/W2115411836","https://openalex.org/W2119741793","https://openalex.org/W2124642768","https://openalex.org/W2129477191","https://openalex.org/W2129502727","https://openalex.org/W2161741273","https://openalex.org/W2165943096","https://openalex.org/W2171847598","https://openalex.org/W4250589301","https://openalex.org/W6610930706"],"related_works":["https://openalex.org/W2780252087","https://openalex.org/W2890273742","https://openalex.org/W2121063273","https://openalex.org/W2337309234","https://openalex.org/W2130902301","https://openalex.org/W1981344466","https://openalex.org/W4390447722","https://openalex.org/W3087844490","https://openalex.org/W2923631784","https://openalex.org/W2787827467"],"abstract_inverted_index":{"The":[0],"performance":[1],"of":[2,38,72,76,133],"downlink":[3,29],"transmissions":[4],"can":[5,12,127],"be":[6],"improved":[7],"by":[8,102],"using":[9],"relays":[10],"that":[11,97,122],"form":[13],"a":[14,27,33,39,53,103],"distributed":[15],"virtual":[16],"multiple-input":[17],"multiple-output":[18],"(MIMO)":[19],"beamforming":[20,99,139],"system.":[21],"In":[22],"this":[23],"paper,":[24],"we":[25],"study":[26],"collaborative":[28,92],"transmission":[30],"scheme":[31,126],"for":[32,62,90],"cellular":[34],"system":[35],"which":[36],"consists":[37],"base":[40],"station":[41],"(BS),":[42],"multiple":[43,49,88],"amplify-and-forward":[44],"(AF)":[45],"relay":[46,78,93,134],"nodes,":[47],"and":[48,66,120],"users.":[50],"We":[51,95],"propose":[52],"new":[54],"algorithm":[55],"to":[56],"determine":[57],"the":[58,77,82,91,98,111,123,130],"signal":[59,67],"forwarding":[60],"weights":[61],"both":[63],"transmit":[64],"power":[65,74,131],"phase":[68],"with":[69,110,137],"an":[70],"objective":[71],"minimizing":[73],"consumption":[75,132],"nodes":[79,135],"while":[80],"guaranteeing":[81],"receive":[83],"signal-to-noise":[84],"ratio":[85],"(SNR)":[86],"at":[87],"users":[89],"beamforming.":[94],"prove":[96],"solution":[100],"obtained":[101],"semidefinite":[104],"relaxation":[105],"(SDR)":[106],"technique":[107],"is":[108],"optimal":[109,125],"proposed":[112,124],"algorithm.":[113],"Numerical":[114],"results":[115],"validate":[116],"our":[117],"theoretical":[118],"analysis":[119],"demonstrate":[121],"effectively":[128],"reduce":[129],"compared":[136],"other":[138],"approaches.":[140]},"counts_by_year":[{"year":2013,"cited_by_count":1}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}