{"id":"https://openalex.org/W2008682670","doi":"https://doi.org/10.1109/vetecf.2011.6093265","title":"Precoder and Decoder Design for SNR Maximization in Amplify-and-Forward (AF) MIMO Relay Systems","display_name":"Precoder and Decoder Design for SNR Maximization in Amplify-and-Forward (AF) MIMO Relay Systems","publication_year":2011,"publication_date":"2011-09-01","ids":{"openalex":"https://openalex.org/W2008682670","doi":"https://doi.org/10.1109/vetecf.2011.6093265","mag":"2008682670"},"language":"en","primary_location":{"id":"doi:10.1109/vetecf.2011.6093265","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecf.2011.6093265","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE Vehicular Technology Conference (VTC Fall)","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/A5036271938","display_name":"Ahmad Danaee","orcid":null},"institutions":[{"id":"https://openalex.org/I110152177","display_name":"University of Akron","ror":"https://ror.org/02kyckx55","country_code":"US","type":"education","lineage":["https://openalex.org/I110152177"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Ahmad Danaee","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Akron, Akron, OH, USA","Dept. of Electr. & Comput. Eng., Univ. of Akron, Akron, OH, USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Akron, Akron, OH, USA","institution_ids":["https://openalex.org/I110152177"]},{"raw_affiliation_string":"Dept. of Electr. & Comput. Eng., Univ. of Akron, Akron, OH, USA","institution_ids":["https://openalex.org/I110152177"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5072044063","display_name":"Hamid Reza Bahrami","orcid":"https://orcid.org/0000-0001-9682-0860"},"institutions":[{"id":"https://openalex.org/I110152177","display_name":"University of Akron","ror":"https://ror.org/02kyckx55","country_code":"US","type":"education","lineage":["https://openalex.org/I110152177"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Hamid Reza Bahrami","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Akron, Akron, OH, USA","Dept. of Electr. & Comput. Eng., Univ. of Akron, Akron, OH, USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Akron, Akron, OH, USA","institution_ids":["https://openalex.org/I110152177"]},{"raw_affiliation_string":"Dept. of Electr. & Comput. Eng., Univ. of Akron, Akron, OH, USA","institution_ids":["https://openalex.org/I110152177"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5036271938"],"corresponding_institution_ids":["https://openalex.org/I110152177"],"apc_list":null,"apc_paid":null,"fwci":0.7002,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.71050115,"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":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":0.9983000159263611,"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":0.9975000023841858,"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":0.8668873310089111},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.7338398694992065},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.7117753028869629},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.705470860004425},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.679628849029541},{"id":"https://openalex.org/keywords/node","display_name":"Node (physics)","score":0.5988316535949707},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.5879754424095154},{"id":"https://openalex.org/keywords/maximization","display_name":"Maximization","score":0.5545343160629272},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.5446358323097229},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.5241256356239319},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.45735234022140503},{"id":"https://openalex.org/keywords/relay-channel","display_name":"Relay channel","score":0.45385536551475525},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.4455721974372864},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3974340558052063},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.283555269241333},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.24495235085487366},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.24454602599143982},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.22584620118141174},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.20118963718414307},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.12086322903633118},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.08832418918609619},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.08123350143432617}],"concepts":[{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.8668873310089111},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.7338398694992065},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.7117753028869629},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.705470860004425},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.679628849029541},{"id":"https://openalex.org/C62611344","wikidata":"https://www.wikidata.org/wiki/Q1062658","display_name":"Node (physics)","level":2,"score":0.5988316535949707},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.5879754424095154},{"id":"https://openalex.org/C2776330181","wikidata":"https://www.wikidata.org/wiki/Q18358244","display_name":"Maximization","level":2,"score":0.5545343160629272},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.5446358323097229},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.5241256356239319},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.45735234022140503},{"id":"https://openalex.org/C46257984","wikidata":"https://www.wikidata.org/wiki/Q7310895","display_name":"Relay channel","level":4,"score":0.45385536551475525},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.4455721974372864},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3974340558052063},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.283555269241333},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.24495235085487366},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.24454602599143982},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.22584620118141174},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.20118963718414307},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.12086322903633118},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.08832418918609619},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.08123350143432617},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"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/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/vetecf.2011.6093265","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecf.2011.6093265","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE Vehicular Technology Conference (VTC Fall)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","score":0.6499999761581421,"id":"https://metadata.un.org/sdg/16"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W2006022816","https://openalex.org/W2061987257","https://openalex.org/W2078124232","https://openalex.org/W2098567664","https://openalex.org/W2108246534","https://openalex.org/W2109714708","https://openalex.org/W2120406684","https://openalex.org/W2127428366","https://openalex.org/W2133149827","https://openalex.org/W2152121970","https://openalex.org/W2160185418","https://openalex.org/W2163708326","https://openalex.org/W3108418035","https://openalex.org/W4233754835"],"related_works":["https://openalex.org/W4281688526","https://openalex.org/W2152088989","https://openalex.org/W2756419127","https://openalex.org/W2401571617","https://openalex.org/W2905893439","https://openalex.org/W3135374966","https://openalex.org/W4366493479","https://openalex.org/W2953205382","https://openalex.org/W3154774209","https://openalex.org/W2338598869"],"abstract_inverted_index":{"We":[0,47],"address":[1],"the":[2,26,34,37,50,55,62,65,76,86,101,111,122,126,136],"problem":[3],"of":[4,125],"designing":[5],"linear":[6],"precoder":[7],"and":[8,33,36,64,104,114],"decoder":[9,52],"for":[10,70],"single":[11],"symbol":[12],"transmission":[13,92],"in":[14,91,100,135],"three":[15],"node":[16,88],"amplify-and-forward":[17],"(AF)":[18],"multi-input-multi-":[19],"output":[20],"(MIMO)":[21],"relay":[22,38,66,87],"systems":[23],"where":[24],"all":[25],"nodes":[27,39],"are":[28,40,68],"equipped":[29],"with":[30],"multiple":[31],"antennas":[32],"source":[35,63],"subject":[41],"to":[42,53,84],"individual":[43],"transmit":[44],"power":[45],"constraints.":[46],"first":[48],"find":[49],"optimal":[51],"maximize":[54],"average":[56],"received":[57,102],"signal-to-noise-":[58],"ratio":[59],"(SNR).":[60],"Next,":[61],"precoders":[67],"designed":[69],"maximizing":[71],"a":[72,80],"lower":[73,131],"bound":[74],"on":[75],"total":[77],"SNR.":[78],"Further,":[79],"decision":[81],"criterion":[82],"as":[83],"whether":[85],"should":[89],"participate":[90],"is":[93,118,129],"derived.":[94],"Simulation":[95],"results":[96],"show":[97],"significant":[98],"improvement":[99],"SNR":[103],"bit":[105],"error":[106],"rate":[107],"(BER)":[108],"by":[109],"applying":[110],"proposed":[112,127],"precoding":[113],"decoding":[115],"schemes.":[116],"It":[117],"also":[119],"shown":[120],"that":[121],"computational":[123],"complexity":[124],"scheme":[128],"much":[130],"than":[132],"other":[133],"methods":[134],"literature.":[137]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2013,"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"}