{"id":"https://openalex.org/W2501158790","doi":"https://doi.org/10.1109/tvt.2015.2462802","title":"Opportunistic Energy-Aware Amplify-and-Forward Cooperative Systems With Imperfect CSI","display_name":"Opportunistic Energy-Aware Amplify-and-Forward Cooperative Systems With Imperfect CSI","publication_year":2015,"publication_date":"2015-07-29","ids":{"openalex":"https://openalex.org/W2501158790","doi":"https://doi.org/10.1109/tvt.2015.2462802","mag":"2501158790"},"language":"en","primary_location":{"id":"doi:10.1109/tvt.2015.2462802","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2015.2462802","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Vehicular Technology","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/A5027180666","display_name":"Osama Amin","orcid":"https://orcid.org/0000-0002-0026-5960"},"institutions":[{"id":"https://openalex.org/I71920554","display_name":"King Abdullah University of Science and Technology","ror":"https://ror.org/01q3tbs38","country_code":"SA","type":"education","lineage":["https://openalex.org/I71920554"]}],"countries":["SA"],"is_corresponding":true,"raw_author_name":"Osama Amin","raw_affiliation_strings":["Computer, Electrical, and Mathematical Science and Engineering (CEMSE) Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia"],"affiliations":[{"raw_affiliation_string":"Computer, Electrical, and Mathematical Science and Engineering (CEMSE) Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia","institution_ids":["https://openalex.org/I71920554"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079088173","display_name":"Ebrahim Bedeer","orcid":"https://orcid.org/0000-0001-6931-9595"},"institutions":[{"id":"https://openalex.org/I141945490","display_name":"University of British Columbia","ror":"https://ror.org/03rmrcq20","country_code":"CA","type":"education","lineage":["https://openalex.org/I141945490"]},{"id":"https://openalex.org/I4405260628","display_name":"University of British Columbia, Okanagan Campus","ror":"https://ror.org/04241wz75","country_code":"CA","type":"education","lineage":["https://openalex.org/I141945490","https://openalex.org/I4405260628"]},{"id":"https://openalex.org/I822440","display_name":"Okanagan University College","ror":"https://ror.org/02mxmh518","country_code":"CA","type":"education","lineage":["https://openalex.org/I822440"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Ebrahim Bedeer","raw_affiliation_strings":["Faculty of Applied Science, University of British Columbia, Kelowna, BC, Canada"],"affiliations":[{"raw_affiliation_string":"Faculty of Applied Science, University of British Columbia, Kelowna, BC, Canada","institution_ids":["https://openalex.org/I822440","https://openalex.org/I141945490","https://openalex.org/I4405260628"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075820901","display_name":"Mohamed H. Ahmed","orcid":"https://orcid.org/0000-0002-3477-0834"},"institutions":[{"id":"https://openalex.org/I130438778","display_name":"Memorial University of Newfoundland","ror":"https://ror.org/04haebc03","country_code":"CA","type":"education","lineage":["https://openalex.org/I130438778"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Mohamed Hossam Ahmed","raw_affiliation_strings":["Faculty of Engineering and Applied Science, Memorial University of Newfoundland, St. John's, NL, Canada"],"affiliations":[{"raw_affiliation_string":"Faculty of Engineering and Applied Science, Memorial University of Newfoundland, St. John's, NL, Canada","institution_ids":["https://openalex.org/I130438778"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077149719","display_name":"Octavia A. Dobre","orcid":"https://orcid.org/0000-0001-8528-0512"},"institutions":[{"id":"https://openalex.org/I130438778","display_name":"Memorial University of Newfoundland","ror":"https://ror.org/04haebc03","country_code":"CA","type":"education","lineage":["https://openalex.org/I130438778"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Octavia A. Dobre","raw_affiliation_strings":["Faculty of Engineering and Applied Science, Memorial University of Newfoundland, St. John's, NL, Canada"],"affiliations":[{"raw_affiliation_string":"Faculty of Engineering and Applied Science, Memorial University of Newfoundland, St. John's, NL, Canada","institution_ids":["https://openalex.org/I130438778"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5083193286","display_name":"Mohamed\u2010Slim Alouini","orcid":"https://orcid.org/0000-0003-4827-1793"},"institutions":[{"id":"https://openalex.org/I71920554","display_name":"King Abdullah University of Science and Technology","ror":"https://ror.org/01q3tbs38","country_code":"SA","type":"education","lineage":["https://openalex.org/I71920554"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Mohamed-Slim Alouini","raw_affiliation_strings":["Computer, Electrical, and Mathematical Science and Engineering (CEMSE) Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia"],"affiliations":[{"raw_affiliation_string":"Computer, Electrical, and Mathematical Science and Engineering (CEMSE) Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia","institution_ids":["https://openalex.org/I71920554"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5027180666"],"corresponding_institution_ids":["https://openalex.org/I71920554"],"apc_list":null,"apc_paid":null,"fwci":1.7519,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.87606838,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"65","issue":"7","first_page":"4875","last_page":"4886"},"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9998000264167786,"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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9986000061035156,"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/channel-state-information","display_name":"Channel state information","score":0.7141542434692383},{"id":"https://openalex.org/keywords/metric","display_name":"Metric (unit)","score":0.6261147856712341},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5922288298606873},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.588493824005127},{"id":"https://openalex.org/keywords/energy-consumption","display_name":"Energy consumption","score":0.5371736884117126},{"id":"https://openalex.org/keywords/communications-system","display_name":"Communications system","score":0.5333195924758911},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.5292060971260071},{"id":"https://openalex.org/keywords/relay","display_name":"Relay","score":0.523250937461853},{"id":"https://openalex.org/keywords/efficient-energy-use","display_name":"Efficient energy use","score":0.4894760847091675},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.44054049253463745},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.43158653378486633},{"id":"https://openalex.org/keywords/performance-metric","display_name":"Performance metric","score":0.42646926641464233},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.42220357060432434},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3474385142326355},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.29092246294021606},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.27589917182922363},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.26667702198028564},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.23331019282341003},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.10803008079528809}],"concepts":[{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.7141542434692383},{"id":"https://openalex.org/C176217482","wikidata":"https://www.wikidata.org/wiki/Q860554","display_name":"Metric (unit)","level":2,"score":0.6261147856712341},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5922288298606873},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.588493824005127},{"id":"https://openalex.org/C2780165032","wikidata":"https://www.wikidata.org/wiki/Q16869822","display_name":"Energy consumption","level":2,"score":0.5371736884117126},{"id":"https://openalex.org/C101765175","wikidata":"https://www.wikidata.org/wiki/Q577764","display_name":"Communications system","level":2,"score":0.5333195924758911},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.5292060971260071},{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.523250937461853},{"id":"https://openalex.org/C2742236","wikidata":"https://www.wikidata.org/wiki/Q924713","display_name":"Efficient energy use","level":2,"score":0.4894760847091675},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.44054049253463745},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.43158653378486633},{"id":"https://openalex.org/C2780898871","wikidata":"https://www.wikidata.org/wiki/Q860554","display_name":"Performance metric","level":2,"score":0.42646926641464233},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.42220357060432434},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3474385142326355},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.29092246294021606},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.27589917182922363},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.26667702198028564},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.23331019282341003},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.10803008079528809},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C21547014","wikidata":"https://www.wikidata.org/wiki/Q1423657","display_name":"Operations management","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/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C187736073","wikidata":"https://www.wikidata.org/wiki/Q2920921","display_name":"Management","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tvt.2015.2462802","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2015.2462802","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Vehicular Technology","raw_type":"journal-article"},{"id":"pmh:oai:repository.kaust.edu.sa:10754/565052","is_oa":false,"landing_page_url":"http://hdl.handle.net/10754/565052","pdf_url":null,"source":{"id":"https://openalex.org/S4306401596","display_name":"King Abdullah University of Science and Technology Repository (King Abdullah University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I71920554","host_organization_name":"King Abdullah University of Science and Technology","host_organization_lineage":["https://openalex.org/I71920554"],"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":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.8999999761581421}],"awards":[{"id":"https://openalex.org/G1360300523","display_name":null,"funder_award_id":"5-250-2-087","funder_id":"https://openalex.org/F4320332753","funder_display_name":"Qatar National Research Fund"},{"id":"https://openalex.org/G1868782141","display_name":null,"funder_award_id":"NPRP 5-250-2-087","funder_id":"https://openalex.org/F4320332753","funder_display_name":"Qatar National Research Fund"},{"id":"https://openalex.org/G2165548363","display_name":null,"funder_award_id":"Canada","funder_id":"https://openalex.org/F4320334593","funder_display_name":"Natural Sciences and Engineering Research Council of Canada"},{"id":"https://openalex.org/G2862252062","display_name":null,"funder_award_id":"Grant","funder_id":"https://openalex.org/F4320334593","funder_display_name":"Natural Sciences and Engineering Research Council of Canada"},{"id":"https://openalex.org/G8284766523","display_name":null,"funder_award_id":"(NSERC)","funder_id":"https://openalex.org/F4320334593","funder_display_name":"Natural Sciences and Engineering Research Council of Canada"}],"funders":[{"id":"https://openalex.org/F4320309815","display_name":"Qatar Foundation","ror":"https://ror.org/01cawbq05"},{"id":"https://openalex.org/F4320321038","display_name":"Fonds National de la Recherche Luxembourg","ror":"https://ror.org/039z13y21"},{"id":"https://openalex.org/F4320332753","display_name":"Qatar National Research Fund","ror":"https://ror.org/01svaqq28"},{"id":"https://openalex.org/F4320334593","display_name":"Natural Sciences and Engineering Research Council of Canada","ror":"https://ror.org/01h531d29"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":32,"referenced_works":["https://openalex.org/W250076511","https://openalex.org/W596728863","https://openalex.org/W1832942760","https://openalex.org/W1965392255","https://openalex.org/W1966451111","https://openalex.org/W1967956032","https://openalex.org/W1975273809","https://openalex.org/W1995434282","https://openalex.org/W2003467472","https://openalex.org/W2006630311","https://openalex.org/W2007173907","https://openalex.org/W2014689921","https://openalex.org/W2017686275","https://openalex.org/W2025381107","https://openalex.org/W2041176458","https://openalex.org/W2072018618","https://openalex.org/W2084000272","https://openalex.org/W2091240134","https://openalex.org/W2098257210","https://openalex.org/W2104746833","https://openalex.org/W2118702395","https://openalex.org/W2119792344","https://openalex.org/W2126080547","https://openalex.org/W2133019626","https://openalex.org/W2134790395","https://openalex.org/W2136379375","https://openalex.org/W2140516799","https://openalex.org/W2152481521","https://openalex.org/W2163754837","https://openalex.org/W2258157321","https://openalex.org/W2296319761","https://openalex.org/W4250589301"],"related_works":["https://openalex.org/W2539674285","https://openalex.org/W1998322187","https://openalex.org/W1038122923","https://openalex.org/W2952514781","https://openalex.org/W2787091472","https://openalex.org/W2463175948","https://openalex.org/W2561242965","https://openalex.org/W2006290459","https://openalex.org/W2465954300","https://openalex.org/W3091499726"],"abstract_inverted_index":{"Recently,":[0],"much":[1],"attention":[2],"has":[3],"been":[4],"paid":[5],"to":[6,26,72,144],"the":[7,28,69,95,101,108,116,123,127,133,146,149,159,162,166],"green":[8],"design":[9,35],"of":[10,148,161],"wireless":[11],"communication":[12,39,57],"systems":[13],"using":[14,68],"energy":[15,23,124],"efficiency":[16],"(EE)":[17],"metrics":[18],"that":[19],"should":[20],"capture":[21],"all":[22],"consumption":[24,125],"sources":[25],"deliver":[27],"required":[29],"data.":[30],"In":[31],"this":[32],"paper,":[33],"we":[34,137,157],"an":[36,90,139],"energy-efficient":[37],"relay-assisted":[38],"system":[40,152,168],"based":[41],"on":[42,107,132,165],"estimated":[43,70],"channel":[44,82,86,102,128,154],"state":[45],"information":[46],"(CSI).":[47],"It":[48],"employs":[49],"amplify-and-forward":[50],"(AF)":[51],"relaying":[52],"and":[53,65,84,121],"switches":[54],"between":[55],"different":[56],"schemes,":[58,67],"which":[59],"are":[60,78],"known":[61],"as":[62],"direct-transmission,":[63],"two-hop,":[64],"cooperative-transmission":[66],"CSI":[71],"maximize":[73,145],"EE.":[74],"Two":[75],"estimation":[76,83,103,129,163],"strategies":[77],"assumed,":[79],"namely,":[80],"disintegrated":[81],"cascaded":[85],"estimation.":[87,155],"To":[88],"formulate":[89],"accurate":[91],"EE":[92,109,135,147],"metric":[93,110],"for":[94],"proposed":[96,150,167],"opportunistic":[97],"AF":[98],"(OAF)":[99],"system,":[100],"cost":[104],"is":[105],"reflected":[106],"by":[111],"including":[112],"its":[113],"impact":[114,160],"in":[115,122],"signal-to-noise":[117],"ratio":[118],"(SNR)":[119],"term":[120],"during":[126],"phase.":[130],"Based":[131],"formulated":[134],"metric,":[136],"propose":[138],"adaptive":[140],"power":[141],"allocation":[142],"algorithm":[143],"OAF":[151],"with":[153],"Furthermore,":[156],"study":[158],"parameters":[164],"via":[169],"simulation":[170],"examples.":[171]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":5},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":4}],"updated_date":"2026-04-16T08:26:57.006410","created_date":"2025-10-10T00:00:00"}
