{"id":"https://openalex.org/W2025599772","doi":"https://doi.org/10.1109/vetecs.2012.6240159","title":"A Study on Transmit Beamforming at Source Node in MISO-SISO/MIMO-MIMO AF Relays","display_name":"A Study on Transmit Beamforming at Source Node in MISO-SISO/MIMO-MIMO AF Relays","publication_year":2012,"publication_date":"2012-05-01","ids":{"openalex":"https://openalex.org/W2025599772","doi":"https://doi.org/10.1109/vetecs.2012.6240159","mag":"2025599772"},"language":"en","primary_location":{"id":"doi:10.1109/vetecs.2012.6240159","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecs.2012.6240159","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE 75th Vehicular Technology Conference (VTC Spring)","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/A5053107962","display_name":"Kiyomi Naohito","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":"Naohito Kiyomi","raw_affiliation_strings":["Graduate School of Information Science and Technology, Hokkaido University, Sapporo, Japan","Grad. Sch. of Inf. Sci. & Technol., Hokkaido Univ., Sapporo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Information Science and Technology, Hokkaido University, Sapporo, Japan","institution_ids":["https://openalex.org/I205349734"]},{"raw_affiliation_string":"Grad. Sch. of Inf. Sci. & Technol., Hokkaido Univ., Sapporo, Japan","institution_ids":["https://openalex.org/I205349734"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088969893","display_name":"Julian Webber","orcid":"https://orcid.org/0000-0001-7796-2898"},"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":"Julian Webber","raw_affiliation_strings":["Graduate School of Information Science and Technology, Hokkaido University, Sapporo, Japan","Grad. Sch. of Inf. Sci. & Technol., Hokkaido Univ., Sapporo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Information Science and Technology, Hokkaido University, Sapporo, Japan","institution_ids":["https://openalex.org/I205349734"]},{"raw_affiliation_string":"Grad. Sch. of Inf. Sci. & Technol., Hokkaido Univ., Sapporo, 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":["Graduate School of Information Science and Technology, Hokkaido University, Sapporo, Japan","Grad. Sch. of Inf. Sci. & Technol., Hokkaido Univ., Sapporo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Information Science and Technology, Hokkaido University, Sapporo, Japan","institution_ids":["https://openalex.org/I205349734"]},{"raw_affiliation_string":"Grad. Sch. of Inf. Sci. & Technol., Hokkaido Univ., Sapporo, 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":["Graduate School of Information Science and Technology, Hokkaido University, Sapporo, Japan","Grad. Sch. of Inf. Sci. & Technol., Hokkaido Univ., Sapporo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Information Science and Technology, Hokkaido University, Sapporo, Japan","institution_ids":["https://openalex.org/I205349734"]},{"raw_affiliation_string":"Grad. Sch. of Inf. Sci. & Technol., Hokkaido Univ., Sapporo, Japan","institution_ids":["https://openalex.org/I205349734"]}]},{"author_position":"last","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":["Graduate School of Information Science and Technology, Hokkaido University, Sapporo, Japan","Grad. Sch. of Inf. Sci. & Technol., Hokkaido Univ., Sapporo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Information Science and Technology, Hokkaido University, Sapporo, Japan","institution_ids":["https://openalex.org/I205349734"]},{"raw_affiliation_string":"Grad. Sch. of Inf. Sci. & Technol., Hokkaido Univ., Sapporo, Japan","institution_ids":["https://openalex.org/I205349734"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.3726,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.63849034,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"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":0.9998999834060669,"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":0.9998999834060669,"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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9991000294685364,"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":0.9923999905586243,"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/mimo","display_name":"MIMO","score":0.7997152805328369},{"id":"https://openalex.org/keywords/relay","display_name":"Relay","score":0.7510358095169067},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.744110107421875},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6923117637634277},{"id":"https://openalex.org/keywords/node","display_name":"Node (physics)","score":0.6728825569152832},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.5641800761222839},{"id":"https://openalex.org/keywords/3g-mimo","display_name":"3G MIMO","score":0.5545008182525635},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.47250401973724365},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.44928857684135437},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.42571622133255005},{"id":"https://openalex.org/keywords/network-packet","display_name":"Network packet","score":0.4107278883457184},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.39452144503593445},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.21558129787445068},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1857767403125763}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7997152805328369},{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.7510358095169067},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.744110107421875},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6923117637634277},{"id":"https://openalex.org/C62611344","wikidata":"https://www.wikidata.org/wiki/Q1062658","display_name":"Node (physics)","level":2,"score":0.6728825569152832},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.5641800761222839},{"id":"https://openalex.org/C165650700","wikidata":"https://www.wikidata.org/wiki/Q4636347","display_name":"3G MIMO","level":4,"score":0.5545008182525635},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.47250401973724365},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.44928857684135437},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.42571622133255005},{"id":"https://openalex.org/C158379750","wikidata":"https://www.wikidata.org/wiki/Q214111","display_name":"Network packet","level":2,"score":0.4107278883457184},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.39452144503593445},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.21558129787445068},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1857767403125763},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"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/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"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":1,"locations":[{"id":"doi:10.1109/vetecs.2012.6240159","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecs.2012.6240159","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE 75th Vehicular Technology Conference (VTC Spring)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5699999928474426,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320334764","display_name":"Japan Society for the Promotion of Science","ror":"https://ror.org/00hhkn466"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W2049849471","https://openalex.org/W2102386542","https://openalex.org/W2112507157","https://openalex.org/W2118702395","https://openalex.org/W2126761958","https://openalex.org/W2151953578","https://openalex.org/W2153639779","https://openalex.org/W2159114340","https://openalex.org/W2162333907","https://openalex.org/W2170655178","https://openalex.org/W3151128667","https://openalex.org/W6683400564"],"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/W2935871810","https://openalex.org/W1993205288","https://openalex.org/W4390496060","https://openalex.org/W1520753245"],"abstract_inverted_index":{"A":[0],"cooperative":[1],"relay":[2,36],"has":[3,54],"been":[4],"studied":[5],"as":[6],"a":[7,24,47],"method":[8,85],"to":[9],"improve":[10,32],"transmission":[11],"quality":[12],"in":[13,65],"wireless":[14],"mesh":[15],"networks":[16],"and":[17,30,60,72,90],"cellular":[18],"systems.":[19],"Multiple":[20],"antenna":[21,58],"elements":[22,59],"at":[23,46],"source":[25,48,52],"node":[26,49,53],"enable":[27],"adaptive":[28],"beamforming":[29,45],"thus":[31],"total":[33],"performance":[34],"of":[35],"transmission.":[37],"In":[38],"this":[39],"paper,":[40],"we":[41],"propose":[42],"simple":[43],"transmit":[44],"when":[50],"the":[51,74,83],"two":[55],"or":[56],"more":[57],"knows":[61],"all":[62],"channel":[63],"information":[64],"MISO-SISO/MIMO-MIMO":[66],"amplify-and-forward":[67],"relays":[68],"with":[69],"direct":[70],"link":[71],"evaluate":[73],"packet":[75],"error":[76],"rate.":[77],"The":[78],"simulation":[79],"results":[80],"show":[81],"that":[82],"proposed":[84],"achieves":[86],"both":[87],"low":[88],"complexity":[89],"high":[91],"performance.":[92]},"counts_by_year":[{"year":2013,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
