{"id":"https://openalex.org/W1993212162","doi":"https://doi.org/10.1109/pimrc.2010.5672080","title":"Power allocation for the downlink of nonregenerative cooperative multi-user MIMO communication system","display_name":"Power allocation for the downlink of nonregenerative cooperative multi-user MIMO communication system","publication_year":2010,"publication_date":"2010-09-01","ids":{"openalex":"https://openalex.org/W1993212162","doi":"https://doi.org/10.1109/pimrc.2010.5672080","mag":"1993212162"},"language":"en","primary_location":{"id":"doi:10.1109/pimrc.2010.5672080","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2010.5672080","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"21st Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications","raw_type":"proceedings-article"},"type":"conference-paper","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/A5074677171","display_name":"Fabien H\u00e9liot","orcid":"https://orcid.org/0000-0003-3583-3435"},"institutions":[{"id":"https://openalex.org/I28290843","display_name":"University of Surrey","ror":"https://ror.org/00ks66431","country_code":"GB","type":"education","lineage":["https://openalex.org/I28290843"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Fabien Heliot","raw_affiliation_strings":["Centre for Communication Systems Research, University of Surrey, Guildford, UK","[Centre for Communication Systems Research, University of Surrey, Guildford GU2 7HX, UK]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Centre for Communication Systems Research, University of Surrey, Guildford, UK","institution_ids":["https://openalex.org/I28290843"]},{"raw_affiliation_string":"[Centre for Communication Systems Research, University of Surrey, Guildford GU2 7HX, UK]","institution_ids":["https://openalex.org/I28290843"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031983985","display_name":"Reza Hoshyar","orcid":null},"institutions":[{"id":"https://openalex.org/I28290843","display_name":"University of Surrey","ror":"https://ror.org/00ks66431","country_code":"GB","type":"education","lineage":["https://openalex.org/I28290843"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Reza Hoshyar","raw_affiliation_strings":["Centre for Communication Systems Research, University of Surrey, Guildford, UK","[Centre for Communication Systems Research, University of Surrey, Guildford GU2 7HX, UK]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Centre for Communication Systems Research, University of Surrey, Guildford, UK","institution_ids":["https://openalex.org/I28290843"]},{"raw_affiliation_string":"[Centre for Communication Systems Research, University of Surrey, Guildford GU2 7HX, UK]","institution_ids":["https://openalex.org/I28290843"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5032549075","display_name":"Rahim Tafazolli","orcid":"https://orcid.org/0000-0002-6062-8639"},"institutions":[{"id":"https://openalex.org/I28290843","display_name":"University of Surrey","ror":"https://ror.org/00ks66431","country_code":"GB","type":"education","lineage":["https://openalex.org/I28290843"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Rahim Tafazolli","raw_affiliation_strings":["Centre for Communication Systems Research, University of Surrey, Guildford, UK","[Centre for Communication Systems Research, University of Surrey, Guildford GU2 7HX, UK]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Centre for Communication Systems Research, University of Surrey, Guildford, UK","institution_ids":["https://openalex.org/I28290843"]},{"raw_affiliation_string":"[Centre for Communication Systems Research, University of Surrey, Guildford GU2 7HX, UK]","institution_ids":["https://openalex.org/I28290843"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I28290843"],"apc_list":null,"apc_paid":null,"fwci":1.1731,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.7461623,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"905","last_page":"910"},"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/T11458","display_name":"Advanced Wireless Communication Technologies","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":0.9968000054359436,"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/telecommunications-link","display_name":"Telecommunications link","score":0.8372105956077576},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.8297101259231567},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.7865774631500244},{"id":"https://openalex.org/keywords/relay","display_name":"Relay","score":0.7742236852645874},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.7370932698249817},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7155414819717407},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.6059393286705017},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.47601065039634705},{"id":"https://openalex.org/keywords/multi-user-mimo","display_name":"Multi-user MIMO","score":0.4493197202682495},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4133450984954834},{"id":"https://openalex.org/keywords/cooperative-mimo","display_name":"Cooperative MIMO","score":0.41203194856643677},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.4066339135169983},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.36267733573913574},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.28371569514274597},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2783776521682739},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.17749863862991333},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.15392011404037476}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.8372105956077576},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.8297101259231567},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.7865774631500244},{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.7742236852645874},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7370932698249817},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7155414819717407},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.6059393286705017},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.47601065039634705},{"id":"https://openalex.org/C91330434","wikidata":"https://www.wikidata.org/wiki/Q738298","display_name":"Multi-user MIMO","level":4,"score":0.4493197202682495},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4133450984954834},{"id":"https://openalex.org/C2778079784","wikidata":"https://www.wikidata.org/wiki/Q25000112","display_name":"Cooperative MIMO","level":5,"score":0.41203194856643677},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.4066339135169983},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.36267733573913574},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.28371569514274597},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2783776521682739},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.17749863862991333},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.15392011404037476},{"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}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/pimrc.2010.5672080","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2010.5672080","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"21st Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications","raw_type":"proceedings-article"},{"id":"pmh:oai:alma.44SUR_INST:11138942340002346","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4210197018","display_name":"Open Research (University of Surrey)","issn_l":"2688-268X","issn":["2688-268X","2688-3988"],"is_oa":false,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"","raw_type":""},{"id":"pmh:oai:epubs.surrey.ac.uk:2667","is_oa":false,"landing_page_url":"http://epubs.surrey.ac.uk/2667/1/029._Power_Allocation_for_the_Downlink_of_Nonregenerative_Cooperative_Multi-User_MIMO_Communication_System.pdf","pdf_url":"http://epubs.surrey.ac.uk/2667/1/029._Power_Allocation_for_the_Downlink_of_Nonregenerative_Cooperative_Multi-User_MIMO_Communication_System.pdf","source":{"id":"https://openalex.org/S4306400680","display_name":"Surrey Research Insight Open Access (The University of Surrey)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I28290843","host_organization_name":"University of Surrey","host_organization_lineage":["https://openalex.org/I28290843"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference or Workshop Item"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1976109068","https://openalex.org/W2016638942","https://openalex.org/W2026898705","https://openalex.org/W2034771294","https://openalex.org/W2098126478","https://openalex.org/W2099111195","https://openalex.org/W2106829923","https://openalex.org/W2107286784","https://openalex.org/W2118702395","https://openalex.org/W2119280464","https://openalex.org/W2123005650","https://openalex.org/W2130347036","https://openalex.org/W2136877591","https://openalex.org/W2148158411","https://openalex.org/W2148963518","https://openalex.org/W2152121970","https://openalex.org/W2171159551"],"related_works":["https://openalex.org/W2167568384","https://openalex.org/W2116541631","https://openalex.org/W2514205366","https://openalex.org/W3173074004","https://openalex.org/W1976511355","https://openalex.org/W2544668827","https://openalex.org/W2082469387","https://openalex.org/W1985632843","https://openalex.org/W2489379490","https://openalex.org/W2141031289"],"abstract_inverted_index":{"Amplify-and-forward":[0],"(AF)":[1],"is":[2,86],"one":[3],"of":[4,35,50,59,103],"the":[5,33,46,51,70,77,89,93],"most":[6],"popular":[7],"and":[8,83,105],"simple":[9],"approaches":[10],"to":[11,44],"transmit":[12,84],"information":[13,62],"over":[14],"a":[15],"cooperative":[16,36,52],"multi-input":[17],"multi-output":[18],"(MIMO)":[19],"relay":[20,71],"channel.":[21],"In":[22],"this":[23],"paper,":[24],"we":[25],"propose":[26],"three":[27],"novel":[28],"power":[29],"allocation":[30],"methods":[31],"for":[32],"downlink":[34],"multi-user":[37],"MIMO":[38],"AF":[39],"system,":[40,53],"which":[41],"are":[42],"designed":[43],"maximize":[45],"weighted":[47],"sum-rate":[48,104],"(WSR)":[49],"by":[54,72],"considering":[55],"two":[56],"different":[57],"levels":[58],"channel":[60],"state":[61],"(CSI).":[63],"We":[64],"design":[65],"efficient":[66],"precoding":[67],"algorithms":[68],"at":[69,88],"assuming":[73],"that":[74,96],"either":[75],"only":[76],"receive":[78,82],"CSI":[79,85],"or":[80],"both":[81],"available":[87],"relay.":[90],"Results":[91],"show":[92],"performance":[94],"improvement":[95],"our":[97],"schemes":[98],"can":[99],"achieve":[100],"in":[101],"terms":[102],"WSR":[106],"metrics.":[107]},"counts_by_year":[{"year":2012,"cited_by_count":3}],"updated_date":"2026-08-11T07:18:39.950985","created_date":"2025-10-10T00:00:00"}
