{"id":"https://openalex.org/W1995700194","doi":"https://doi.org/10.1109/iswcs.2011.6125417","title":"Performance evaluation of distributed multi-cell beamforming for MU-MIMO systems","display_name":"Performance evaluation of distributed multi-cell beamforming for MU-MIMO systems","publication_year":2011,"publication_date":"2011-11-01","ids":{"openalex":"https://openalex.org/W1995700194","doi":"https://doi.org/10.1109/iswcs.2011.6125417","mag":"1995700194"},"language":"en","primary_location":{"id":"doi:10.1109/iswcs.2011.6125417","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iswcs.2011.6125417","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 8th International Symposium on Wireless Communication Systems","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/A5053420223","display_name":"Tomoki Murakami","orcid":"https://orcid.org/0000-0002-5617-155X"},"institutions":[{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]},{"id":"https://openalex.org/I2251713219","display_name":"NTT (Japan)","ror":"https://ror.org/00berct97","country_code":"JP","type":"company","lineage":["https://openalex.org/I2251713219"]}],"countries":["JP","US"],"is_corresponding":true,"raw_author_name":"Tomoki Murakami","raw_affiliation_strings":["NTT Network Innovation Laboratories, NTT Corporation, Yokosuka, Kanagawa, Japan","NTT Corporation, NTT Network Innovation Laboratories, 1-1 Hikari-no-oka, Yokosuka, Kanagawa, 238-0006 Japan"],"affiliations":[{"raw_affiliation_string":"NTT Network Innovation Laboratories, NTT Corporation, Yokosuka, Kanagawa, Japan","institution_ids":["https://openalex.org/I2251713219"]},{"raw_affiliation_string":"NTT Corporation, NTT Network Innovation Laboratories, 1-1 Hikari-no-oka, Yokosuka, Kanagawa, 238-0006 Japan","institution_ids":["https://openalex.org/I136199984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101765858","display_name":"Riichi Kudo","orcid":"https://orcid.org/0000-0003-3282-7443"},"institutions":[{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]},{"id":"https://openalex.org/I2251713219","display_name":"NTT (Japan)","ror":"https://ror.org/00berct97","country_code":"JP","type":"company","lineage":["https://openalex.org/I2251713219"]}],"countries":["JP","US"],"is_corresponding":false,"raw_author_name":"Riichi Kudo","raw_affiliation_strings":["NTT Network Innovation Laboratories, NTT Corporation, Yokosuka, Kanagawa, Japan","NTT Corporation, NTT Network Innovation Laboratories, 1-1 Hikari-no-oka, Yokosuka, Kanagawa, 238-0006 Japan"],"affiliations":[{"raw_affiliation_string":"NTT Network Innovation Laboratories, NTT Corporation, Yokosuka, Kanagawa, Japan","institution_ids":["https://openalex.org/I2251713219"]},{"raw_affiliation_string":"NTT Corporation, NTT Network Innovation Laboratories, 1-1 Hikari-no-oka, Yokosuka, Kanagawa, 238-0006 Japan","institution_ids":["https://openalex.org/I136199984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003467818","display_name":"Yusuke Asai","orcid":"https://orcid.org/0000-0002-6506-2910"},"institutions":[{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]},{"id":"https://openalex.org/I2251713219","display_name":"NTT (Japan)","ror":"https://ror.org/00berct97","country_code":"JP","type":"company","lineage":["https://openalex.org/I2251713219"]}],"countries":["JP","US"],"is_corresponding":false,"raw_author_name":"Yusuke Asai","raw_affiliation_strings":["NTT Network Innovation Laboratories, NTT Corporation, Yokosuka, Kanagawa, Japan","NTT Corporation, NTT Network Innovation Laboratories, 1-1 Hikari-no-oka, Yokosuka, Kanagawa, 238-0006 Japan"],"affiliations":[{"raw_affiliation_string":"NTT Network Innovation Laboratories, NTT Corporation, Yokosuka, Kanagawa, Japan","institution_ids":["https://openalex.org/I2251713219"]},{"raw_affiliation_string":"NTT Corporation, NTT Network Innovation Laboratories, 1-1 Hikari-no-oka, Yokosuka, Kanagawa, 238-0006 Japan","institution_ids":["https://openalex.org/I136199984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110466717","display_name":"Tomoaki Kumagai","orcid":null},"institutions":[{"id":"https://openalex.org/I2251713219","display_name":"NTT (Japan)","ror":"https://ror.org/00berct97","country_code":"JP","type":"company","lineage":["https://openalex.org/I2251713219"]},{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]}],"countries":["JP","US"],"is_corresponding":false,"raw_author_name":"Tomoaki Kumagai","raw_affiliation_strings":["NTT Network Innovation Laboratories, NTT Corporation, Yokosuka, Kanagawa, Japan","NTT Corporation, NTT Network Innovation Laboratories, 1-1 Hikari-no-oka, Yokosuka, Kanagawa, 238-0006 Japan"],"affiliations":[{"raw_affiliation_string":"NTT Network Innovation Laboratories, NTT Corporation, Yokosuka, Kanagawa, Japan","institution_ids":["https://openalex.org/I2251713219"]},{"raw_affiliation_string":"NTT Corporation, NTT Network Innovation Laboratories, 1-1 Hikari-no-oka, Yokosuka, Kanagawa, 238-0006 Japan","institution_ids":["https://openalex.org/I136199984"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100824284","display_name":"Masato Mizoguchi","orcid":null},"institutions":[{"id":"https://openalex.org/I2251713219","display_name":"NTT (Japan)","ror":"https://ror.org/00berct97","country_code":"JP","type":"company","lineage":["https://openalex.org/I2251713219"]},{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]}],"countries":["JP","US"],"is_corresponding":false,"raw_author_name":"Masato Mizoguchi","raw_affiliation_strings":["NTT Network Innovation Laboratories, NTT Corporation, Yokosuka, Kanagawa, Japan","NTT Corporation, NTT Network Innovation Laboratories, 1-1 Hikari-no-oka, Yokosuka, Kanagawa, 238-0006 Japan"],"affiliations":[{"raw_affiliation_string":"NTT Network Innovation Laboratories, NTT Corporation, Yokosuka, Kanagawa, Japan","institution_ids":["https://openalex.org/I2251713219"]},{"raw_affiliation_string":"NTT Corporation, NTT Network Innovation Laboratories, 1-1 Hikari-no-oka, Yokosuka, Kanagawa, 238-0006 Japan","institution_ids":["https://openalex.org/I136199984"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5053420223"],"corresponding_institution_ids":["https://openalex.org/I136199984","https://openalex.org/I2251713219"],"apc_list":null,"apc_paid":null,"fwci":1.0599,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.78730772,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":97,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"547","last_page":"551"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"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"}},"topics":[{"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9994999766349792,"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/T10069","display_name":"Antenna Design and Analysis","score":0.9988999962806702,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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":0.9020061492919922},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.8083648085594177},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.7723913788795471},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6694990396499634},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.5687561631202698},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.5458222031593323},{"id":"https://openalex.org/keywords/multi-user-mimo","display_name":"Multi-user MIMO","score":0.5297088623046875},{"id":"https://openalex.org/keywords/3g-mimo","display_name":"3G MIMO","score":0.48893967270851135},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.48487839102745056},{"id":"https://openalex.org/keywords/wsdma","display_name":"WSDMA","score":0.44467827677726746},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.43950819969177246},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4330025017261505},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.383233904838562},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3238934278488159},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.16818493604660034},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.154457688331604}],"concepts":[{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.9020061492919922},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.8083648085594177},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.7723913788795471},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6694990396499634},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.5687561631202698},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.5458222031593323},{"id":"https://openalex.org/C91330434","wikidata":"https://www.wikidata.org/wiki/Q738298","display_name":"Multi-user MIMO","level":4,"score":0.5297088623046875},{"id":"https://openalex.org/C165650700","wikidata":"https://www.wikidata.org/wiki/Q4636347","display_name":"3G MIMO","level":4,"score":0.48893967270851135},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.48487839102745056},{"id":"https://openalex.org/C57466844","wikidata":"https://www.wikidata.org/wiki/Q7955559","display_name":"WSDMA","level":5,"score":0.44467827677726746},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.43950819969177246},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4330025017261505},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.383233904838562},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3238934278488159},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.16818493604660034},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.154457688331604}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iswcs.2011.6125417","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iswcs.2011.6125417","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 8th International Symposium on Wireless Communication Systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.6200000047683716}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1667950888","https://openalex.org/W1976710453","https://openalex.org/W1989068636","https://openalex.org/W2072603128","https://openalex.org/W2119207405","https://openalex.org/W2120657826","https://openalex.org/W2131350052","https://openalex.org/W2138388259","https://openalex.org/W2139683558","https://openalex.org/W2150764210","https://openalex.org/W2155174176","https://openalex.org/W2165943096","https://openalex.org/W2546062527"],"related_works":["https://openalex.org/W2167568384","https://openalex.org/W2116541631","https://openalex.org/W2514205366","https://openalex.org/W3173074004","https://openalex.org/W1976511355","https://openalex.org/W2544668827","https://openalex.org/W2082469387","https://openalex.org/W1985632843","https://openalex.org/W2489379490","https://openalex.org/W4381195711"],"abstract_inverted_index":{"Inter-cell":[0],"interference":[1],"(ICI)":[2],"from":[3],"nearby":[4],"cells":[5],"can":[6],"substantially":[7],"degrade":[8],"the":[9,16,66,92,108,132],"sum-rate":[10,17,116],"in":[11,18,101],"WLAN":[12,20],"systems.":[13,48,139],"To":[14],"improve":[15],"actual":[19],"systems,":[21],"some":[22],"papers":[23],"have":[24],"investigated":[25],"distributed":[26,57,79],"multi-cell":[27,58,80],"beamforming":[28,59,81],"to":[29,110,112],"mitigate":[30],"ICI":[31],"by":[32],"zero":[33],"forcing":[34],"beamforming.":[35],"All":[36],"most":[37],"of":[38,70,117,134],"these":[39,118,135],"approaches":[40],"consider":[41],"single-user":[42],"multiple":[43,45],"input":[44],"output":[46],"(SU-MIMO)":[47],"In":[49],"this":[50],"paper,":[51],"we":[52],"present":[53],"three":[54],"techniques":[55,119,136],"for":[56,60,137],"multi-user":[61],"MIMO":[62],"(MU-MIMO)":[63],"systems":[64],"with":[65,120],"same":[67],"total":[68],"number":[69],"transmit":[71],"and":[72],"receive":[73],"antennas.":[74],"The":[75,85,94,115],"first":[76],"technique":[77,100],"is":[78,88,97,105,128],"using":[82],"receiver":[83,113],"selection.":[84],"second":[86],"one":[87,96],"antenna":[89],"selection":[90],"at":[91,107,125],"receiver.":[93],"last":[95],"an":[98],"iterative":[99],"which":[102],"transmitter":[103,109,126],"weight":[104],"updated":[106],"correspond":[111],"weight.":[114],"imperfect":[121],"channel":[122],"state":[123],"information":[124],"(CSIT)":[127],"evaluated.":[129],"We":[130],"clarify":[131],"effectiveness":[133],"MU-MIMO":[138]},"counts_by_year":[{"year":2013,"cited_by_count":4}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
