{"id":"https://openalex.org/W2079064506","doi":"https://doi.org/10.1109/apcc.2012.6388093","title":"Collaborative relay beamforming based on the worst-case SINR for multiuser in cellular systems","display_name":"Collaborative relay beamforming based on the worst-case SINR for multiuser in cellular systems","publication_year":2012,"publication_date":"2012-10-01","ids":{"openalex":"https://openalex.org/W2079064506","doi":"https://doi.org/10.1109/apcc.2012.6388093","mag":"2079064506"},"language":"en","primary_location":{"id":"doi:10.1109/apcc.2012.6388093","is_oa":false,"landing_page_url":"https://doi.org/10.1109/apcc.2012.6388093","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 18th Asia-Pacific Conference on Communications (APCC)","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/A5114778071","display_name":"Da Wang","orcid":"https://orcid.org/0000-0002-8712-7703"},"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":"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","[State Key Laboratory of Advanced Optical Communication Systems and Networks School of Electronics Engineering and Computer Science, Peking University, 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":"[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"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101940487","display_name":"Lin Bai","orcid":"https://orcid.org/0009-0005-9221-4202"},"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","School of Electronic and Information Engineering Beihang University  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":"School of Electronic and Information Engineering Beihang University  Beijing China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100418553","display_name":"Chen Chen","orcid":"https://orcid.org/0000-0003-2541-6283"},"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":"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","[State Key Laboratory of Advanced Optical Communication Systems and Networks School of Electronics Engineering and Computer Science, Peking University, 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":"[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"]}]},{"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","[State Key Laboratory of Advanced Optical Communication Systems and Networks School of Electronics Engineering and Computer Science, Peking University, 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":"[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"]}]},{"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":["School of Engineering, Swansea University, Swansea, UK","School of Engineering, Swansea University, United Kingdom"],"affiliations":[{"raw_affiliation_string":"School of Engineering, Swansea University, Swansea, UK","institution_ids":["https://openalex.org/I39586589"]},{"raw_affiliation_string":"School of Engineering, Swansea University, United Kingdom","institution_ids":["https://openalex.org/I39586589"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5114778071"],"corresponding_institution_ids":["https://openalex.org/I20231570"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.17085847,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"17","last_page":"22"},"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":0.9994999766349792,"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":0.9994000196456909,"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":0.8586887121200562},{"id":"https://openalex.org/keywords/relay","display_name":"Relay","score":0.8283934593200684},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7303347587585449},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.634852409362793},{"id":"https://openalex.org/keywords/maximization","display_name":"Maximization","score":0.6183369159698486},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.49806690216064453},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.49357736110687256},{"id":"https://openalex.org/keywords/relaxation","display_name":"Relaxation (psychology)","score":0.46760454773902893},{"id":"https://openalex.org/keywords/constraint","display_name":"Constraint (computer-aided design)","score":0.4611762762069702},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.46051231026649475},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.4598454236984253},{"id":"https://openalex.org/keywords/iterative-method","display_name":"Iterative method","score":0.43885424733161926},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.436623215675354},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.4288880527019501},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.40879595279693604},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.33265161514282227},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.24426192045211792},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2050095796585083},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1879924237728119}],"concepts":[{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.8586887121200562},{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.8283934593200684},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7303347587585449},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.634852409362793},{"id":"https://openalex.org/C2776330181","wikidata":"https://www.wikidata.org/wiki/Q18358244","display_name":"Maximization","level":2,"score":0.6183369159698486},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.49806690216064453},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.49357736110687256},{"id":"https://openalex.org/C2776029896","wikidata":"https://www.wikidata.org/wiki/Q3935810","display_name":"Relaxation (psychology)","level":2,"score":0.46760454773902893},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.4611762762069702},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.46051231026649475},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.4598454236984253},{"id":"https://openalex.org/C159694833","wikidata":"https://www.wikidata.org/wiki/Q2321565","display_name":"Iterative method","level":2,"score":0.43885424733161926},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.436623215675354},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.4288880527019501},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.40879595279693604},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.33265161514282227},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.24426192045211792},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2050095796585083},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1879924237728119},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"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}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/apcc.2012.6388093","is_oa":false,"landing_page_url":"https://doi.org/10.1109/apcc.2012.6388093","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 18th Asia-Pacific Conference on Communications (APCC)","raw_type":"proceedings-article"},{"id":"pmh:oai:dro.deakin.edu.au:DU:30124694","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":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1545861347","https://openalex.org/W1981044874","https://openalex.org/W1996215314","https://openalex.org/W2026524446","https://openalex.org/W2040322086","https://openalex.org/W2073289239","https://openalex.org/W2098567664","https://openalex.org/W2102636795","https://openalex.org/W2119741793","https://openalex.org/W2124642768","https://openalex.org/W2125668934","https://openalex.org/W2152121970","https://openalex.org/W2161741273","https://openalex.org/W2166469289","https://openalex.org/W2168420495","https://openalex.org/W2169600795","https://openalex.org/W4250589301","https://openalex.org/W7014245034"],"related_works":["https://openalex.org/W2149569983","https://openalex.org/W1989270073","https://openalex.org/W2103141005","https://openalex.org/W2122807322","https://openalex.org/W2534284196","https://openalex.org/W2137628250","https://openalex.org/W2602252168","https://openalex.org/W2130715019","https://openalex.org/W2088618661","https://openalex.org/W2108756703"],"abstract_inverted_index":{"Recently":[0],"collaborative":[1,25],"relay":[2,26,61,66],"systems":[3],"have":[4],"been":[5],"studied":[6],"to":[7,105,116],"increase":[8],"the":[9,14,24,33,59,71,74,77,87,108,113,118,132,135,141,146],"spectral":[10],"efficiency":[11],"and":[12,45,64,111,130,140],"extend":[13],"range":[15],"of":[16,54,73,76,86,137,143],"wireless":[17],"communications.":[18],"In":[19,32],"this":[20],"paper,":[21],"we":[22,36],"consider":[23],"beamforming":[27],"(CRBF)":[28],"for":[29,42],"multiuser":[30],"systems.":[31],"proposed":[34],"method,":[35],"select":[37,107],"base":[38],"station":[39],"(BS)":[40],"antennas":[41,110,139],"each":[43],"user":[44],"optimize":[46,112],"their":[47],"CRBF":[48,88,103,114,147],"weights":[49,89,115],"under":[50],"two":[51],"different":[52],"types":[53],"power":[55,62,67],"constraints,":[56,68],"which":[57],"are":[58],"total":[60],"constraint":[63],"individual":[65],"by":[69],"exploiting":[70],"notion":[72],"maximization":[75],"worst-case":[78],"received":[79],"signal-to-interference-and-noise":[80],"ratio":[81],"(SINR).":[82],"The":[83],"optimization":[84],"problem":[85],"can":[90],"be":[91],"efficiently":[92],"solved":[93],"using":[94],"a":[95],"semidefinite":[96],"relaxation":[97],"(SDR)":[98],"technique.We":[99],"derive":[100],"an":[101],"iterative":[102],"scheme":[104],"jointly":[106],"BS":[109,138],"maximize":[117],"worst":[119],"SINR":[120],"among":[121],"all":[122],"users.":[123],"Simulation":[124],"results":[125],"validate":[126],"our":[127],"theoretical":[128],"analysis":[129],"demonstrate":[131],"tradeoffs":[133],"between":[134],"number":[136,142],"relays":[144],"in":[145],"system.":[148]},"counts_by_year":[],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}