{"id":"https://openalex.org/W2516556710","doi":"https://doi.org/10.1109/tvt.2015.2478846","title":"Iterative Beamformer Design for Multi-Node MIMO Two-Way Relay Networks Using Duality","display_name":"Iterative Beamformer Design for Multi-Node MIMO Two-Way Relay Networks Using Duality","publication_year":2015,"publication_date":"2015-09-15","ids":{"openalex":"https://openalex.org/W2516556710","doi":"https://doi.org/10.1109/tvt.2015.2478846","mag":"2516556710"},"language":"en","primary_location":{"id":"doi:10.1109/tvt.2015.2478846","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2015.2478846","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Vehicular Technology","raw_type":"journal-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/A5101032225","display_name":"Won-Chul Choi","orcid":null},"institutions":[{"id":"https://openalex.org/I2250650973","display_name":"Samsung (South Korea)","ror":"https://ror.org/04w3jy968","country_code":"KR","type":"company","lineage":["https://openalex.org/I2250650973"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Won-Chul Choi","raw_affiliation_strings":["Samsung Electronics Co., Ltd., Suwon, Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Samsung Electronics Co., Ltd., Suwon, Korea","institution_ids":["https://openalex.org/I2250650973"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5077912414","display_name":"Dong-Jo Park","orcid":"https://orcid.org/0000-0002-0254-5931"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Dong-Jo Park","raw_affiliation_strings":["Department of Electrical Engineering, Korea Advanced Institute of Science and Technology, Daejeon, Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Korea Advanced Institute of Science and Technology, Daejeon, Korea","institution_ids":["https://openalex.org/I157485424"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.26424686,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"65","issue":"8","first_page":"6742","last_page":"6747"},"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/T12791","display_name":"Full-Duplex Wireless Communications","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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9988999962806702,"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":0.8103512525558472},{"id":"https://openalex.org/keywords/duality","display_name":"Duality (order theory)","score":0.7961509227752686},{"id":"https://openalex.org/keywords/relay","display_name":"Relay","score":0.7737325429916382},{"id":"https://openalex.org/keywords/iterative-method","display_name":"Iterative method","score":0.6549160480499268},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.5659133195877075},{"id":"https://openalex.org/keywords/node","display_name":"Node (physics)","score":0.5418880581855774},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4800913631916046},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.433967649936676},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4265170693397522},{"id":"https://openalex.org/keywords/minimum-mean-square-error","display_name":"Minimum mean square error","score":0.4243497848510742},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.38717249035835266},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.25211280584335327},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.14678433537483215},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.09176135063171387}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.8103512525558472},{"id":"https://openalex.org/C2778023678","wikidata":"https://www.wikidata.org/wiki/Q554403","display_name":"Duality (order theory)","level":2,"score":0.7961509227752686},{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.7737325429916382},{"id":"https://openalex.org/C159694833","wikidata":"https://www.wikidata.org/wiki/Q2321565","display_name":"Iterative method","level":2,"score":0.6549160480499268},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.5659133195877075},{"id":"https://openalex.org/C62611344","wikidata":"https://www.wikidata.org/wiki/Q1062658","display_name":"Node (physics)","level":2,"score":0.5418880581855774},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4800913631916046},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.433967649936676},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4265170693397522},{"id":"https://openalex.org/C90652560","wikidata":"https://www.wikidata.org/wiki/Q11091747","display_name":"Minimum mean square error","level":3,"score":0.4243497848510742},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.38717249035835266},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.25211280584335327},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.14678433537483215},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.09176135063171387},{"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/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","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},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.0},{"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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tvt.2015.2478846","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2015.2478846","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Vehicular Technology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1917415483","https://openalex.org/W1977426744","https://openalex.org/W1991388461","https://openalex.org/W2041636395","https://openalex.org/W2064191652","https://openalex.org/W2065788288","https://openalex.org/W2077647448","https://openalex.org/W2086946926","https://openalex.org/W2099561974","https://openalex.org/W2119523314","https://openalex.org/W2143005940","https://openalex.org/W2149912746","https://openalex.org/W2158491402","https://openalex.org/W3098102505"],"related_works":["https://openalex.org/W2539674285","https://openalex.org/W1998322187","https://openalex.org/W1038122923","https://openalex.org/W2952514781","https://openalex.org/W3019210376","https://openalex.org/W2391145594","https://openalex.org/W2326572623","https://openalex.org/W1559320887","https://openalex.org/W2090656273","https://openalex.org/W1997240170"],"abstract_inverted_index":{"In":[0],"this":[1,52],"paper,":[2],"an":[3],"iterative":[4,56,102],"design":[5,31],"method":[6,118],"for":[7,11,68,108],"beamformers":[8],"is":[9,25,39,58,78,84,97],"proposed":[10,101,117],"multiple-input":[12],"multiple-output":[13],"(MIMO)":[14],"two-way":[15,70,133],"relay":[16,71,134],"networks":[17,72],"with":[18,73],"multiple":[19,74],"pairs":[20,75],"of":[21,76],"source":[22],"nodes.":[23],"It":[24],"known":[26,40],"that":[27,115,130],"the":[28,35,65,81,95,100,116,132],"joint":[29],"beamformer":[30],"problem":[32,83],"based":[33],"on":[34],"minimum":[36],"mean-square-error":[37],"(MMSE)":[38],"to":[41,99,126],"be":[42,47,91,124],"nonconvex,":[43],"and":[44,122],"it":[45],"cannot":[46],"analytically":[48],"solved.":[49],"To":[50],"manage":[51],"difficulty,":[53],"a":[54],"novel":[55],"algorithm":[57],"proposed,":[59],"which":[60,89,104],"uses":[61],"duality":[62,67,96],"relationships.":[63],"First,":[64],"MSE":[66],"MIMO":[69],"nodes":[77],"presented.":[79],"Moreover,":[80],"optimization":[82],"divided":[85],"into":[86],"three":[87],"subproblems,":[88],"can":[90,123],"separately":[92],"solved;":[93],"then,":[94],"applied":[98,125],"algorithm,":[103],"provides":[105],"closed-form":[106],"solutions":[107],"all":[109],"subproblems.":[110],"The":[111],"numerical":[112],"results":[113],"demonstrate":[114],"improves":[119],"network":[120],"performance":[121],"various":[127],"communication":[128],"systems":[129],"use":[131],"network.":[135]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}