{"id":"https://openalex.org/W2022732533","doi":"https://doi.org/10.1109/glocomw.2011.6162494","title":"Beamforming with relays in multicell networks based on correlation knowledge","display_name":"Beamforming with relays in multicell networks based on correlation knowledge","publication_year":2011,"publication_date":"2011-12-01","ids":{"openalex":"https://openalex.org/W2022732533","doi":"https://doi.org/10.1109/glocomw.2011.6162494","mag":"2022732533"},"language":"en","primary_location":{"id":"doi:10.1109/glocomw.2011.6162494","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocomw.2011.6162494","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE GLOBECOM Workshops (GC Wkshps)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5091189894","display_name":"Guido Dartmann","orcid":"https://orcid.org/0000-0002-6786-6664"},"institutions":[{"id":"https://openalex.org/I887968799","display_name":"RWTH Aachen University","ror":"https://ror.org/04xfq0f34","country_code":"DE","type":"education","lineage":["https://openalex.org/I887968799"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Guido Dartmann","raw_affiliation_strings":["Chair for Integrated Signal Processing Systems, RWTH Aachen University, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chair for Integrated Signal Processing Systems, RWTH Aachen University, Germany","institution_ids":["https://openalex.org/I887968799"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060783864","display_name":"Dhiraj Kumar Shah","orcid":null},"institutions":[{"id":"https://openalex.org/I82828225","display_name":"King Mongkut's University of Technology North Bangkok","ror":"https://ror.org/04fy6jb97","country_code":"TH","type":"education","lineage":["https://openalex.org/I82828225"]}],"countries":["TH"],"is_corresponding":false,"raw_author_name":"Dhiraj Kumar Shah","raw_affiliation_strings":["TGGS, King Mongkut's University of Technology, North Bangkok, Thailand","TGGS, King Mongkut's University of Technology North Bangkok, Thailand"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"TGGS, King Mongkut's University of Technology, North Bangkok, Thailand","institution_ids":["https://openalex.org/I82828225"]},{"raw_affiliation_string":"TGGS, King Mongkut's University of Technology North Bangkok, Thailand","institution_ids":["https://openalex.org/I82828225"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060207278","display_name":"Xitao Gong","orcid":null},"institutions":[{"id":"https://openalex.org/I887968799","display_name":"RWTH Aachen University","ror":"https://ror.org/04xfq0f34","country_code":"DE","type":"education","lineage":["https://openalex.org/I887968799"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Xitao Gong","raw_affiliation_strings":["Chair for Integrated Signal Processing Systems, RWTH Aachen University, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chair for Integrated Signal Processing Systems, RWTH Aachen University, Germany","institution_ids":["https://openalex.org/I887968799"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5050903837","display_name":"Gerd Ascheid","orcid":"https://orcid.org/0000-0003-4068-3558"},"institutions":[{"id":"https://openalex.org/I887968799","display_name":"RWTH Aachen University","ror":"https://ror.org/04xfq0f34","country_code":"DE","type":"education","lineage":["https://openalex.org/I887968799"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Gerd Ascheid","raw_affiliation_strings":["Chair for Integrated Signal Processing Systems, RWTH Aachen University, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chair for Integrated Signal Processing Systems, RWTH Aachen University, Germany","institution_ids":["https://openalex.org/I887968799"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"25","issue":null,"first_page":"470","last_page":"474"},"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":0.9994000196456909,"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"}},{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9969000220298767,"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":0.9230468273162842},{"id":"https://openalex.org/keywords/relay","display_name":"Relay","score":0.7212594747543335},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6808072924613953},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.619549036026001},{"id":"https://openalex.org/keywords/enhanced-data-rates-for-gsm-evolution","display_name":"Enhanced Data Rates for GSM Evolution","score":0.5334653258323669},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.505622148513794},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.45447972416877747},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.44325631856918335},{"id":"https://openalex.org/keywords/scheduling","display_name":"Scheduling (production processes)","score":0.4135236442089081},{"id":"https://openalex.org/keywords/cellular-network","display_name":"Cellular network","score":0.4126974940299988},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.411484032869339},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3879380226135254},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3344351053237915},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.314240038394928},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.27734071016311646},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.2429712414741516},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.2229878306388855},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.22254648804664612},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1821824312210083},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.14576563239097595},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.07396119832992554}],"concepts":[{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.9230468273162842},{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.7212594747543335},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6808072924613953},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.619549036026001},{"id":"https://openalex.org/C162307627","wikidata":"https://www.wikidata.org/wiki/Q204833","display_name":"Enhanced Data Rates for GSM Evolution","level":2,"score":0.5334653258323669},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.505622148513794},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.45447972416877747},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.44325631856918335},{"id":"https://openalex.org/C206729178","wikidata":"https://www.wikidata.org/wiki/Q2271896","display_name":"Scheduling (production processes)","level":2,"score":0.4135236442089081},{"id":"https://openalex.org/C153646914","wikidata":"https://www.wikidata.org/wiki/Q535695","display_name":"Cellular network","level":2,"score":0.4126974940299988},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.411484032869339},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3879380226135254},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3344351053237915},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.314240038394928},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.27734071016311646},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.2429712414741516},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.2229878306388855},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.22254648804664612},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1821824312210083},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.14576563239097595},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.07396119832992554},{"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/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/glocomw.2011.6162494","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocomw.2011.6162494","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE GLOBECOM Workshops (GC Wkshps)","raw_type":"proceedings-article"},{"id":"pmh:oai:publications.rwth-aachen.de:128245","is_oa":false,"landing_page_url":"https://publications.rwth-aachen.de/record/128245","pdf_url":null,"source":{"id":"https://openalex.org/S4306401362","display_name":"RWTH Publications (RWTH Aachen)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I887968799","host_organization_name":"RWTH Aachen University","host_organization_lineage":["https://openalex.org/I887968799"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"2011 IEEE GLOBECOM workshops (GC wkshps 2011) : 5 - 9 December 2011, Houston, Texas, USA / [IEEE Communications Society]<br/>2011 IEEE GLOBECOM workshops, GC wkshps 2011, Houston, TX, USA, 2011-12-05 - 2011-12-09","raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.46000000834465027,"id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320324232","display_name":"RWTH Aachen University","ror":"https://ror.org/04xfq0f34"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W1509061701","https://openalex.org/W1826298598","https://openalex.org/W1993709531","https://openalex.org/W2015697320","https://openalex.org/W2039180706","https://openalex.org/W2072231838","https://openalex.org/W2106255618","https://openalex.org/W2129477191","https://openalex.org/W2152121970","https://openalex.org/W2161473225","https://openalex.org/W2169363112","https://openalex.org/W2172128765","https://openalex.org/W2296319761","https://openalex.org/W2489815411","https://openalex.org/W4206478473","https://openalex.org/W4250589301","https://openalex.org/W4299687603","https://openalex.org/W6638542730","https://openalex.org/W6722638261"],"related_works":["https://openalex.org/W2088352174","https://openalex.org/W2303288554","https://openalex.org/W4286695888","https://openalex.org/W3084132786","https://openalex.org/W4327661444","https://openalex.org/W2034991012","https://openalex.org/W3033750547","https://openalex.org/W2029216794","https://openalex.org/W2106711889","https://openalex.org/W4386698331"],"abstract_inverted_index":{"In":[0,54,69,125],"a":[1,5,12,86,110],"multicell":[2,126],"network":[3],"with":[4],"frequency":[6],"reuse-1,":[7],"intercell":[8],"interference":[9,29,44],"(ICI)":[10],"is":[11,91],"limiting":[13],"factor.":[14],"Especially":[15],"cell":[16,36,48,63,122],"edge":[17,37,49,64,123],"users":[18,38,50],"are":[19,51,66,76,148],"subject":[20],"to":[21,28,56,117,160],"strong":[22],"ICI.":[23],"With":[24],"beamforming":[25,113],"the":[26,35,43,62,88,98,104,119,128,151,156],"signal":[27],"plus":[30],"noise":[31],"ratio":[32],"(SINR)":[33],"of":[34,45,74,121,144],"can":[39],"be":[40],"improved.":[41],"Beside":[42],"adjacent":[46],"cells,":[47],"often":[52],"shadowed.":[53],"order":[55],"overcome":[57],"this":[58],"problem,":[59],"relays":[60,75],"in":[61,142],"region":[65],"additionally":[67],"used.":[68],"long-term":[70,140],"evolution,":[71],"two":[72],"types":[73],"proposed.":[77],"The":[78],"first":[79],"one,":[80],"called":[81,92],"type-1":[82,105],"relay":[83,94,106],"and":[84,95,108,114],"owns":[85],"cell,":[87],"second":[89],"one":[90],"type-2":[93],"only":[96,107],"supports":[97],"base":[99],"station.":[100],"This":[101],"paper":[102],"considers":[103],"proposes":[109],"joint":[111],"max-min":[112],"scheduling":[115],"algorithm":[116],"maximize":[118],"SINR":[120],"users.":[124],"networks,":[127],"optimization":[129],"based":[130],"on":[131],"instantaneous":[132],"channel":[133],"state":[134],"information":[135],"(CSI)":[136],"becomes":[137],"infeasible,":[138],"therefore,":[139],"CSI":[141],"form":[143],"spatial":[145],"correlation":[146],"matrices":[147],"used":[149],"for":[150],"optimization.":[152],"Numerical":[153],"results":[154],"underline":[155],"performance":[157],"gain":[158],"compared":[159],"conventional":[161],"networks":[162],"without":[163],"relays.":[164]},"counts_by_year":[{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}