{"id":"https://openalex.org/W2611694644","doi":"https://doi.org/10.1109/vts-apwcs.2019.8851622","title":"Loose Beamforming by Antenna Selection in a Multiuser Massive MIMO System","display_name":"Loose Beamforming by Antenna Selection in a Multiuser Massive MIMO System","publication_year":2019,"publication_date":"2019-08-01","ids":{"openalex":"https://openalex.org/W2611694644","doi":"https://doi.org/10.1109/vts-apwcs.2019.8851622","mag":"2611694644"},"language":"en","primary_location":{"id":"doi:10.1109/vts-apwcs.2019.8851622","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vts-apwcs.2019.8851622","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE VTS Asia Pacific Wireless Communications Symposium (APWCS)","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/A5073562496","display_name":"Shunta Nakamura","orcid":null},"institutions":[{"id":"https://openalex.org/I205349734","display_name":"Hokkaido University","ror":"https://ror.org/02e16g702","country_code":"JP","type":"education","lineage":["https://openalex.org/I205349734"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Shunta Nakamura","raw_affiliation_strings":["Faculty of Information Science and Technology, Hokkaido University, Hokkaido, Japan"],"affiliations":[{"raw_affiliation_string":"Faculty of Information Science and Technology, Hokkaido University, Hokkaido, Japan","institution_ids":["https://openalex.org/I205349734"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058947969","display_name":"Toshihiko Nishimura","orcid":"https://orcid.org/0000-0002-4759-2483"},"institutions":[{"id":"https://openalex.org/I205349734","display_name":"Hokkaido University","ror":"https://ror.org/02e16g702","country_code":"JP","type":"education","lineage":["https://openalex.org/I205349734"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Toshihiko Nishimura","raw_affiliation_strings":["Faculty of Information Science and Technology, Hokkaido University, Hokkaido, Japan"],"affiliations":[{"raw_affiliation_string":"Faculty of Information Science and Technology, Hokkaido University, Hokkaido, Japan","institution_ids":["https://openalex.org/I205349734"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064930134","display_name":"Takeo Ohgane","orcid":null},"institutions":[{"id":"https://openalex.org/I205349734","display_name":"Hokkaido University","ror":"https://ror.org/02e16g702","country_code":"JP","type":"education","lineage":["https://openalex.org/I205349734"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takeo Ohgane","raw_affiliation_strings":["Faculty of Information Science and Technology, Hokkaido University, Hokkaido, Japan"],"affiliations":[{"raw_affiliation_string":"Faculty of Information Science and Technology, Hokkaido University, Hokkaido, Japan","institution_ids":["https://openalex.org/I205349734"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102847414","display_name":"Yasutaka Ogawa","orcid":"https://orcid.org/0000-0002-9835-9948"},"institutions":[{"id":"https://openalex.org/I205349734","display_name":"Hokkaido University","ror":"https://ror.org/02e16g702","country_code":"JP","type":"education","lineage":["https://openalex.org/I205349734"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yasutaka Ogawa","raw_affiliation_strings":["Faculty of Information Science and Technology, Hokkaido University, Hokkaido, Japan"],"affiliations":[{"raw_affiliation_string":"Faculty of Information Science and Technology, Hokkaido University, Hokkaido, Japan","institution_ids":["https://openalex.org/I205349734"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5112392077","display_name":"Junichiro Hagiwara","orcid":null},"institutions":[{"id":"https://openalex.org/I205349734","display_name":"Hokkaido University","ror":"https://ror.org/02e16g702","country_code":"JP","type":"education","lineage":["https://openalex.org/I205349734"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Junichiro Hagiwara","raw_affiliation_strings":["Faculty of Information Science and Technology, Hokkaido University, Hokkaido, Japan"],"affiliations":[{"raw_affiliation_string":"Faculty of Information Science and Technology, Hokkaido University, Hokkaido, Japan","institution_ids":["https://openalex.org/I205349734"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5073562496"],"corresponding_institution_ids":["https://openalex.org/I205349734"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.0008313,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"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/T10148","display_name":"Advanced MIMO Systems Optimization","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/T10148","display_name":"Advanced MIMO Systems Optimization","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/T10069","display_name":"Antenna Design and Analysis","score":0.9997000098228455,"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"}},{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9994000196456909,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.775633692741394},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6820625066757202},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6280875205993652},{"id":"https://openalex.org/keywords/selection","display_name":"Selection (genetic algorithm)","score":0.553863525390625},{"id":"https://openalex.org/keywords/3g-mimo","display_name":"3G MIMO","score":0.5200378894805908},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.4532403349876404},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3950553238391876},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3707476258277893},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.19016146659851074},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.10666859149932861}],"concepts":[{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.775633692741394},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6820625066757202},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6280875205993652},{"id":"https://openalex.org/C81917197","wikidata":"https://www.wikidata.org/wiki/Q628760","display_name":"Selection (genetic algorithm)","level":2,"score":0.553863525390625},{"id":"https://openalex.org/C165650700","wikidata":"https://www.wikidata.org/wiki/Q4636347","display_name":"3G MIMO","level":4,"score":0.5200378894805908},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.4532403349876404},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3950553238391876},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3707476258277893},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.19016146659851074},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.10666859149932861}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/vts-apwcs.2019.8851622","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vts-apwcs.2019.8851622","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE VTS Asia Pacific Wireless Communications Symposium (APWCS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W1855653084","https://openalex.org/W2097571405","https://openalex.org/W2286361614","https://openalex.org/W2808657182","https://openalex.org/W2894917153"],"related_works":["https://openalex.org/W2038397443","https://openalex.org/W4200145345","https://openalex.org/W2112785353","https://openalex.org/W2941374357","https://openalex.org/W1561113522","https://openalex.org/W1495906304","https://openalex.org/W4390496060","https://openalex.org/W2164866798","https://openalex.org/W1520753245","https://openalex.org/W2724724053"],"abstract_inverted_index":{"In":[0,85],"the":[1,36,41,49,81,90,99,115,121],"5th":[2],"generation":[3],"mobile":[4],"communication":[5],"system,":[6],"implementation":[7],"of":[8,43,98,131],"a":[9,21,56,113],"multiuser":[10],"massive":[11],"multiple-input":[12],"multiple-output":[13],"system":[14],"arranging":[15],"more":[16],"than":[17],"100":[18],"elements":[19,45],"at":[20],"base":[22],"station":[23],"has":[24],"been":[25],"studied":[26],"to":[27,133],"realize":[28],"high":[29],"peak":[30],"rate":[31],"and":[32,104],"large":[33],"capacity.":[34],"On":[35],"other":[37,134],"hand,":[38],"with":[39],"increasing":[40],"number":[42],"antenna":[44,70,100],"used":[46],"for":[47,52],"transmission,":[48],"computational":[50],"load":[51],"transmission":[53],"precoding":[54],"becomes":[55],"serious":[57],"problem.":[58],"Loose":[59],"beamforming":[60,123],"which":[61],"uses":[62],"one/zero":[63],"weights,":[64],"i.e.,":[65],"only":[66],"selects":[67],"some":[68],"useful":[69],"elements,":[71],"requires":[72],"very":[73],"low":[74],"complexity":[75],"but":[76],"provides":[77],"poor":[78],"performance":[79,94],"when":[80],"element":[82],"selection":[83],"fails.":[84],"this":[86],"paper,":[87],"we":[88],"evaluate":[89],"sum":[91],"channel":[92],"capacity":[93],"in":[95,108,119],"three":[96],"cases":[97],"selection:":[101],"proposed,":[102],"random,":[103],"genetic":[105],"algorithm":[106],"methods":[107],"an":[109],"indoor":[110],"environment.":[111],"As":[112],"result,":[114],"proposed":[116],"method":[117],"succeeded":[118],"making":[120],"loose":[122],"by":[124],"enhancing":[125],"desired":[126],"signal":[127],"power":[128],"although":[129],"suppression":[130],"interference":[132],"users":[135],"was":[136],"still":[137],"insufficient.":[138]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}