{"id":"https://openalex.org/W2468552344","doi":"https://doi.org/10.1109/tcomm.2016.2587291","title":"Optimal Energy-Efficient Joint Resource Allocation for Multi-Hop MIMO-AF Systems","display_name":"Optimal Energy-Efficient Joint Resource Allocation for Multi-Hop MIMO-AF Systems","publication_year":2016,"publication_date":"2016-07-07","ids":{"openalex":"https://openalex.org/W2468552344","doi":"https://doi.org/10.1109/tcomm.2016.2587291","mag":"2468552344"},"language":"en","primary_location":{"id":"doi:10.1109/tcomm.2016.2587291","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2016.2587291","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Communications","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/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":["Institute for Communication Systems, Faculty of Electronics and Physical Sciences, University of Surrey, Guildford, U.K"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Communication Systems, Faculty of Electronics and Physical Sciences, University of Surrey, Guildford, U.K","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":["Institute for Communication Systems, Faculty of Electronics and Physical Sciences, University of Surrey, Guildford, U.K"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Communication Systems, Faculty of Electronics and Physical Sciences, University of Surrey, Guildford, U.K","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":2.2642,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.90057938,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"64","issue":"9","first_page":"3655","last_page":"3668"},"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":0.9994000196456909,"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":0.6634311079978943},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5814720392227173},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.5755190253257751},{"id":"https://openalex.org/keywords/efficient-energy-use","display_name":"Efficient energy use","score":0.5187547206878662},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.4454371929168701},{"id":"https://openalex.org/keywords/energy-consumption","display_name":"Energy consumption","score":0.4407212436199188},{"id":"https://openalex.org/keywords/resource-allocation","display_name":"Resource allocation","score":0.4389026165008545},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.20330145955085754},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.14097580313682556},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.12009575963020325},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.11936753988265991},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1075575053691864}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6634311079978943},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5814720392227173},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.5755190253257751},{"id":"https://openalex.org/C2742236","wikidata":"https://www.wikidata.org/wiki/Q924713","display_name":"Efficient energy use","level":2,"score":0.5187547206878662},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.4454371929168701},{"id":"https://openalex.org/C2780165032","wikidata":"https://www.wikidata.org/wiki/Q16869822","display_name":"Energy consumption","level":2,"score":0.4407212436199188},{"id":"https://openalex.org/C29202148","wikidata":"https://www.wikidata.org/wiki/Q287260","display_name":"Resource allocation","level":2,"score":0.4389026165008545},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.20330145955085754},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.14097580313682556},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.12009575963020325},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.11936753988265991},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1075575053691864},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/tcomm.2016.2587291","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2016.2587291","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Communications","raw_type":"journal-article"},{"id":"pmh:oai:alma.44SUR_INST:11139316550002346","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:811076","is_oa":false,"landing_page_url":"http://epubs.surrey.ac.uk/811076/1/HELIOT.pdf","pdf_url":"http://epubs.surrey.ac.uk/811076/1/HELIOT.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":"Article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":37,"referenced_works":["https://openalex.org/W391578156","https://openalex.org/W1967956032","https://openalex.org/W1975273809","https://openalex.org/W1978978812","https://openalex.org/W1982472349","https://openalex.org/W1994663286","https://openalex.org/W2026644464","https://openalex.org/W2034771294","https://openalex.org/W2049399010","https://openalex.org/W2059025052","https://openalex.org/W2076161319","https://openalex.org/W2078772482","https://openalex.org/W2084000272","https://openalex.org/W2086984327","https://openalex.org/W2091240134","https://openalex.org/W2104919411","https://openalex.org/W2107890868","https://openalex.org/W2112170521","https://openalex.org/W2116485279","https://openalex.org/W2118466491","https://openalex.org/W2118702395","https://openalex.org/W2119280464","https://openalex.org/W2119927750","https://openalex.org/W2120403693","https://openalex.org/W2126087318","https://openalex.org/W2130347036","https://openalex.org/W2136285705","https://openalex.org/W2141162475","https://openalex.org/W2144890274","https://openalex.org/W2146749108","https://openalex.org/W2148158411","https://openalex.org/W2150424470","https://openalex.org/W2152121970","https://openalex.org/W2165517987","https://openalex.org/W2511953462","https://openalex.org/W2976805811","https://openalex.org/W4250589301"],"related_works":["https://openalex.org/W2545343974","https://openalex.org/W4291895924","https://openalex.org/W1783583321","https://openalex.org/W2038397443","https://openalex.org/W2941374357","https://openalex.org/W2026727497","https://openalex.org/W2164866798","https://openalex.org/W1972125288","https://openalex.org/W4284966983","https://openalex.org/W179829755"],"abstract_inverted_index":{"Energy":[0],"efficiency":[1],"is":[2,65,183],"a":[3,74,102,108,127,140,147],"key":[4],"enabler":[5],"for":[6,22,40,111,156],"the":[7,24,41,50,79,96,117,133,136,158,168,179],"next":[8],"generation":[9],"of":[10,81,142,162],"communication":[11,18,25],"systems.":[12],"Equally,":[13],"resource":[14,37],"allocation":[15,38],"and":[16,53,58,106,119,165],"cooperative":[17],"are":[19,85],"effective":[20],"techniques":[21],"improving":[23],"system":[26],"performance.":[27,149],"In":[28,123],"this":[29,82],"paper,":[30],"we":[31,93,125],"propose":[32],"an":[33],"optimal":[34,159],"energy-efficient":[35],"joint":[36,51],"method":[39],"multi-hop":[42,163],"multiple-input-multiple-output":[43],"(MIMO)":[44],"amplify-and-forward":[45],"(AF)":[46],"system.":[47],"We":[48,150],"define":[49],"source":[52],"multiple":[54],"relays":[55],"optimization":[56,99],"problem":[57,100,105],"prove":[59],"that":[60,171],"its":[61],"objective":[62,83],"function,":[63],"which":[64],"not":[66],"generally":[67],"quasiconvex,":[68],"can":[69,173],"be":[70],"lower":[71],"bounded":[72],"by":[73,139],"convex":[75],"function.":[76],"Moreover,":[77],"all":[78],"minima":[80],"function":[84],"strict":[86],"minima.":[87],"Based":[88],"on":[89],"these":[90],"two":[91],"properties,":[92],"then":[94],"simplify":[95],"original":[97],"multivariate":[98],"into":[101],"single":[103],"variable":[104],"design":[107],"novel":[109,154],"approach":[110,129,155],"optimally":[112],"solving":[113],"it":[114],"in":[115],"both":[116],"unconstraint":[118],"power":[120],"constraint":[121],"cases.":[122],"addition,":[124],"provide":[126],"sub-optimal":[128],"with":[130,146],"reduced":[131],"complexity;":[132],"latter":[134],"reduces":[135],"computational":[137],"complexity":[138],"factor":[141],"up":[143],"to":[144,175],"40":[145],"near-optimal":[148],"finally":[151],"utilize":[152],"our":[153],"comparing":[157],"energy-per-bit":[160],"consumption":[161],"MIMO-AF":[164,172],"MIMO":[166],"systems;":[167],"results":[169],"indicate":[170],"help":[174],"save":[176],"energy":[177],"when":[178],"direct":[180],"link":[181],"quality":[182],"poor.":[184]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":5},{"year":2017,"cited_by_count":1}],"updated_date":"2026-08-11T07:18:39.950985","created_date":"2025-10-10T00:00:00"}
