{"id":"https://openalex.org/W2888098026","doi":"https://doi.org/10.1109/eucnc.2018.8442802","title":"Energy-Efficient Joint Source and Relay Precoding for Two-Hop MIMO-AF Two-Relay Networks","display_name":"Energy-Efficient Joint Source and Relay Precoding for Two-Hop MIMO-AF Two-Relay Networks","publication_year":2018,"publication_date":"2018-06-01","ids":{"openalex":"https://openalex.org/W2888098026","doi":"https://doi.org/10.1109/eucnc.2018.8442802","mag":"2888098026"},"language":"en","primary_location":{"id":"doi:10.1109/eucnc.2018.8442802","is_oa":false,"landing_page_url":"https://doi.org/10.1109/eucnc.2018.8442802","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 European Conference on Networks and Communications (EuCNC)","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 H\u00e9liot","raw_affiliation_strings":["University of Surrey, Institute for Communication Systems, Guildford, GU2 7HX, UK","Institute for Communication Systems, University of Surrey, Guildford, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Surrey, Institute for Communication Systems, Guildford, GU2 7HX, UK","institution_ids":["https://openalex.org/I28290843"]},{"raw_affiliation_string":"Institute for Communication Systems, University of Surrey, Guildford, 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":["University of Surrey, Institute for Communication Systems, Guildford, GU2 7HX, UK","Institute for Communication Systems, University of Surrey, Guildford, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Surrey, Institute for Communication Systems, Guildford, GU2 7HX, UK","institution_ids":["https://openalex.org/I28290843"]},{"raw_affiliation_string":"Institute for Communication Systems, University of Surrey, Guildford, 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":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0833157,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"93","last_page":"97"},"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":0.9983999729156494,"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":0.9959999918937683,"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/precoding","display_name":"Precoding","score":0.9498549699783325},{"id":"https://openalex.org/keywords/relay","display_name":"Relay","score":0.7855544686317444},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6991214156150818},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6214157342910767},{"id":"https://openalex.org/keywords/energy-consumption","display_name":"Energy consumption","score":0.49478238821029663},{"id":"https://openalex.org/keywords/zero-forcing-precoding","display_name":"Zero-forcing precoding","score":0.4877470135688782},{"id":"https://openalex.org/keywords/efficient-energy-use","display_name":"Efficient energy use","score":0.463519424200058},{"id":"https://openalex.org/keywords/joint","display_name":"Joint (building)","score":0.4434260129928589},{"id":"https://openalex.org/keywords/hop","display_name":"Hop (telecommunications)","score":0.4327152371406555},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.32133686542510986},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2029619812965393},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1462295651435852},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.07916265726089478},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.05670854449272156},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.04618820548057556}],"concepts":[{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.9498549699783325},{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.7855544686317444},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6991214156150818},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6214157342910767},{"id":"https://openalex.org/C2780165032","wikidata":"https://www.wikidata.org/wiki/Q16869822","display_name":"Energy consumption","level":2,"score":0.49478238821029663},{"id":"https://openalex.org/C155437304","wikidata":"https://www.wikidata.org/wiki/Q8069444","display_name":"Zero-forcing precoding","level":5,"score":0.4877470135688782},{"id":"https://openalex.org/C2742236","wikidata":"https://www.wikidata.org/wiki/Q924713","display_name":"Efficient energy use","level":2,"score":0.463519424200058},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.4434260129928589},{"id":"https://openalex.org/C25906391","wikidata":"https://www.wikidata.org/wiki/Q1432381","display_name":"Hop (telecommunications)","level":2,"score":0.4327152371406555},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.32133686542510986},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2029619812965393},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1462295651435852},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.07916265726089478},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.05670854449272156},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.04618820548057556},{"id":"https://openalex.org/C170154142","wikidata":"https://www.wikidata.org/wiki/Q150737","display_name":"Architectural engineering","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/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"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/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/eucnc.2018.8442802","is_oa":false,"landing_page_url":"https://doi.org/10.1109/eucnc.2018.8442802","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 European Conference on Networks and Communications (EuCNC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.9100000262260437,"display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W2023242234","https://openalex.org/W2026644464","https://openalex.org/W2078772482","https://openalex.org/W2091240134","https://openalex.org/W2112170521","https://openalex.org/W2119280464","https://openalex.org/W2121342401","https://openalex.org/W2126087318","https://openalex.org/W2141162475","https://openalex.org/W2152121970","https://openalex.org/W2165517987","https://openalex.org/W2468552344","https://openalex.org/W2511953462","https://openalex.org/W2734481137","https://openalex.org/W2766311955","https://openalex.org/W2888641704","https://openalex.org/W2976805811","https://openalex.org/W4250589301","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W2111825998","https://openalex.org/W2326544815","https://openalex.org/W2489379490","https://openalex.org/W1973158664","https://openalex.org/W1731022149","https://openalex.org/W1996933839","https://openalex.org/W2000226056","https://openalex.org/W4386858283","https://openalex.org/W3190864439","https://openalex.org/W1979957996"],"abstract_inverted_index":{"This":[0],"paper":[1],"focuses":[2],"on":[3,22],"improving":[4],"the":[5,26,30,43,47,56,61,84,106,120],"energy":[6,44,107],"efficiency":[7],"of":[8,29,46,83,109],"two-hop":[9,110],"multiple-input-multiple-output":[10],"(MIMO)":[11],"amplify-and-forward":[12],"(AF)":[13],"systems":[14,112],"having":[15],"two":[16],"relays":[17,33,78,87],"(in":[18],"parallel)":[19],"by":[20,38,113],"relying":[21],"optimisation":[23,28,51,82],"theory.":[24],"Although":[25],"joint":[27,81],"source":[31,62,75,85],"and":[32,53,76,86],"precoding":[34,65,79,88],"structures":[35],"is":[36,58,90],"non-convex":[37],"nature,":[39],"we":[40,71],"first":[41],"formulate":[42],"consumption":[45,108],"system":[48],"as":[49],"an":[50,73,94],"function":[52],"prove":[54],"that":[55,100],"latter":[57],"unimodal":[59],"when":[60,117],"and/or":[63],"relay":[64],"matrices":[66,89],"are":[67],"known.":[68],"In":[69],"turn,":[70],"derive":[72],"optimal":[74],"robust":[77],"structures;":[80],"then":[91],"performed":[92],"via":[93],"iterative":[95],"process.":[96],"Simulation":[97],"results":[98],"show":[99],"our":[101],"novel":[102],"approach":[103],"can":[104],"reduce":[105],"MIMO-AF":[111],"up":[114],"to":[115,119],"30%":[116],"compared":[118],"most":[121],"relevant":[122],"existing":[123],"approaches.":[124]},"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
