{"id":"https://openalex.org/W2032060459","doi":"https://doi.org/10.1109/glocom.2011.6134352","title":"Closed-Form Linear Transceiver Designs for MIMO AF Relaying Systems with Direct Link","display_name":"Closed-Form Linear Transceiver Designs for MIMO AF Relaying Systems with Direct Link","publication_year":2011,"publication_date":"2011-12-01","ids":{"openalex":"https://openalex.org/W2032060459","doi":"https://doi.org/10.1109/glocom.2011.6134352","mag":"2032060459"},"language":"en","primary_location":{"id":"doi:10.1109/glocom.2011.6134352","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2011.6134352","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE Global Telecommunications Conference - GLOBECOM 2011","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/A5083703040","display_name":"Changick Song","orcid":"https://orcid.org/0000-0002-5325-3699"},"institutions":[{"id":"https://openalex.org/I197347611","display_name":"Korea University","ror":"https://ror.org/047dqcg40","country_code":"KR","type":"education","lineage":["https://openalex.org/I197347611"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Changick Song","raw_affiliation_strings":["School of Electrical Engineering, Korea University, Seoul, South Korea","Sch. of Electr. Eng., Korea Univ., Seoul, South Korea#TAB#"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Korea University, Seoul, South Korea","institution_ids":["https://openalex.org/I197347611"]},{"raw_affiliation_string":"Sch. of Electr. Eng., Korea Univ., Seoul, South Korea#TAB#","institution_ids":["https://openalex.org/I197347611"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010343793","display_name":"Kyoung\u2010Jae Lee","orcid":"https://orcid.org/0000-0001-9579-6600"},"institutions":[{"id":"https://openalex.org/I197347611","display_name":"Korea University","ror":"https://ror.org/047dqcg40","country_code":"KR","type":"education","lineage":["https://openalex.org/I197347611"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Kyoung-Jae Lee","raw_affiliation_strings":["School of Electrical Engineering, Korea University, Seoul, South Korea","Sch. of Electr. Eng., Korea Univ., Seoul, South Korea#TAB#"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Korea University, Seoul, South Korea","institution_ids":["https://openalex.org/I197347611"]},{"raw_affiliation_string":"Sch. of Electr. Eng., Korea Univ., Seoul, South Korea#TAB#","institution_ids":["https://openalex.org/I197347611"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100697614","display_name":"Inkyu Lee","orcid":"https://orcid.org/0000-0003-3701-4433"},"institutions":[{"id":"https://openalex.org/I197347611","display_name":"Korea University","ror":"https://ror.org/047dqcg40","country_code":"KR","type":"education","lineage":["https://openalex.org/I197347611"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Inkyu Lee","raw_affiliation_strings":["School of Electrical Engineering, Korea University, Seoul, South Korea","Sch. of Electr. Eng., Korea Univ., Seoul, South Korea#TAB#"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Korea University, Seoul, South Korea","institution_ids":["https://openalex.org/I197347611"]},{"raw_affiliation_string":"Sch. of Electr. Eng., Korea Univ., Seoul, South Korea#TAB#","institution_ids":["https://openalex.org/I197347611"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5083703040"],"corresponding_institution_ids":["https://openalex.org/I197347611"],"apc_list":null,"apc_paid":null,"fwci":0.3501,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.61683728,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"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":0.9995999932289124,"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":0.9966999888420105,"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/relay","display_name":"Relay","score":0.7010153532028198},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6900069713592529},{"id":"https://openalex.org/keywords/transceiver","display_name":"Transceiver","score":0.6416918635368347},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6213396787643433},{"id":"https://openalex.org/keywords/iterative-method","display_name":"Iterative method","score":0.5514097809791565},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.5244898200035095},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.47464972734451294},{"id":"https://openalex.org/keywords/link","display_name":"Link (geometry)","score":0.47359612584114075},{"id":"https://openalex.org/keywords/covariance-matrix","display_name":"Covariance matrix","score":0.4685479402542114},{"id":"https://openalex.org/keywords/optimal-design","display_name":"Optimal design","score":0.4479946494102478},{"id":"https://openalex.org/keywords/covariance","display_name":"Covariance","score":0.4407687187194824},{"id":"https://openalex.org/keywords/constraint","display_name":"Constraint (computer-aided design)","score":0.43778571486473083},{"id":"https://openalex.org/keywords/convex-optimization","display_name":"Convex optimization","score":0.43165460228919983},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.4128977060317993},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.3938605487346649},{"id":"https://openalex.org/keywords/regular-polygon","display_name":"Regular polygon","score":0.35955101251602173},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.35375016927719116},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3122563362121582},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.18411624431610107},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.14819365739822388},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.0910443663597107},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.0777847170829773}],"concepts":[{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.7010153532028198},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6900069713592529},{"id":"https://openalex.org/C7720470","wikidata":"https://www.wikidata.org/wiki/Q954187","display_name":"Transceiver","level":3,"score":0.6416918635368347},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6213396787643433},{"id":"https://openalex.org/C159694833","wikidata":"https://www.wikidata.org/wiki/Q2321565","display_name":"Iterative method","level":2,"score":0.5514097809791565},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.5244898200035095},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.47464972734451294},{"id":"https://openalex.org/C2778753846","wikidata":"https://www.wikidata.org/wiki/Q6554239","display_name":"Link (geometry)","level":2,"score":0.47359612584114075},{"id":"https://openalex.org/C185142706","wikidata":"https://www.wikidata.org/wiki/Q1134404","display_name":"Covariance matrix","level":2,"score":0.4685479402542114},{"id":"https://openalex.org/C186394612","wikidata":"https://www.wikidata.org/wiki/Q7098942","display_name":"Optimal design","level":2,"score":0.4479946494102478},{"id":"https://openalex.org/C178650346","wikidata":"https://www.wikidata.org/wiki/Q201984","display_name":"Covariance","level":2,"score":0.4407687187194824},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.43778571486473083},{"id":"https://openalex.org/C157972887","wikidata":"https://www.wikidata.org/wiki/Q463359","display_name":"Convex optimization","level":3,"score":0.43165460228919983},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.4128977060317993},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.3938605487346649},{"id":"https://openalex.org/C112680207","wikidata":"https://www.wikidata.org/wiki/Q714886","display_name":"Regular polygon","level":2,"score":0.35955101251602173},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.35375016927719116},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3122563362121582},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.18411624431610107},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.14819365739822388},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0910443663597107},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.0777847170829773},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","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/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"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/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/glocom.2011.6134352","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2011.6134352","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE Global Telecommunications Conference - GLOBECOM 2011","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W2072550975","https://openalex.org/W2106801259","https://openalex.org/W2112507157","https://openalex.org/W2113026489","https://openalex.org/W2119280464","https://openalex.org/W2120840652","https://openalex.org/W2138830304","https://openalex.org/W2144566163","https://openalex.org/W2145050290","https://openalex.org/W2149912746","https://openalex.org/W2152121970","https://openalex.org/W2155101278","https://openalex.org/W4250589301"],"related_works":["https://openalex.org/W4249165909","https://openalex.org/W2783437851","https://openalex.org/W1672137312","https://openalex.org/W1650483958","https://openalex.org/W2320869333","https://openalex.org/W2110290642","https://openalex.org/W2744385696","https://openalex.org/W2040472248","https://openalex.org/W2184749983","https://openalex.org/W1689453141"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3,36,62,80],"investigate":[4],"the":[5,21,28,49,53,59,68,83,93],"minimum":[6],"mean":[7],"squared":[8],"error":[9,54],"based":[10],"relay":[11,18],"transceiver":[12],"design":[13,31,96],"in":[14,20],"amplify-and-forward":[15],"multiple":[16],"antenna":[17],"systems":[19],"presence":[22],"of":[23,27,52],"direct":[24],"link.":[25],"Instead":[26],"conventional":[29],"optimal":[30,42,94],"which":[32],"requires":[33],"iterative":[34,95],"methods,":[35],"propose":[37],"a":[38,64,73],"simple":[39,74],"and":[40],"near":[41],"closed-form":[43,75],"solution.":[44,76],"The":[45],"proposed":[46,84],"method":[47],"exploits":[48],"decomposable":[50],"property":[51],"covariance":[55],"matrix":[56],"to":[57,71,92],"simplify":[58],"problem.":[60],"Then,":[61],"impose":[63],"structural":[65],"constraint":[66],"on":[67],"non-convex":[69],"problem":[70],"attain":[72],"Through":[77],"numerical":[78],"simulations,":[79],"confirm":[81],"that":[82],"solution":[85],"has":[86],"almost":[87],"no":[88],"performance":[89],"loss":[90],"compared":[91],"with":[97],"much":[98],"reduced":[99],"complexity.":[100]},"counts_by_year":[{"year":2017,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}