{"id":"https://openalex.org/W2768861896","doi":"https://doi.org/10.1109/jsac.2017.2777672","title":"Joint User Scheduling and Power Allocation Optimization for Energy-Efficient NOMA Systems With Imperfect CSI","display_name":"Joint User Scheduling and Power Allocation Optimization for Energy-Efficient NOMA Systems With Imperfect CSI","publication_year":2017,"publication_date":"2017-11-24","ids":{"openalex":"https://openalex.org/W2768861896","doi":"https://doi.org/10.1109/jsac.2017.2777672","mag":"2768861896"},"language":"en","primary_location":{"id":"doi:10.1109/jsac.2017.2777672","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsac.2017.2777672","pdf_url":null,"source":{"id":"https://openalex.org/S90422530","display_name":"IEEE Journal on Selected Areas in Communications","issn_l":"0733-8716","issn":["0733-8716","1558-0008"],"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 Journal on Selected Areas in 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/A5100386867","display_name":"Fang Fang","orcid":"https://orcid.org/0000-0002-6582-6570"},"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"]}],"countries":["CA"],"is_corresponding":true,"raw_author_name":"Fang Fang","raw_affiliation_strings":["School of Engineering, The University of British Columbia, Kelowna, BC, Canada"],"affiliations":[{"raw_affiliation_string":"School of Engineering, The University of British Columbia, Kelowna, BC, Canada","institution_ids":["https://openalex.org/I141945490","https://openalex.org/I4405260628"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100458455","display_name":"Haijun Zhang","orcid":"https://orcid.org/0000-0002-0236-6482"},"institutions":[{"id":"https://openalex.org/I92403157","display_name":"University of Science and Technology Beijing","ror":"https://ror.org/02egmk993","country_code":"CN","type":"education","lineage":["https://openalex.org/I92403157"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haijun Zhang","raw_affiliation_strings":["Beijing Engineering and Technology Research Center for Convergence Networks and Ubiquitous Services, University of Science and Technology Beijing, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Beijing Engineering and Technology Research Center for Convergence Networks and Ubiquitous Services, University of Science and Technology Beijing, Beijing, China","institution_ids":["https://openalex.org/I92403157"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045995606","display_name":"Julian Cheng","orcid":"https://orcid.org/0000-0001-6310-8236"},"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"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Julian Cheng","raw_affiliation_strings":["School of Engineering, The University of British Columbia, Kelowna, BC, Canada"],"affiliations":[{"raw_affiliation_string":"School of Engineering, The University of British Columbia, Kelowna, BC, Canada","institution_ids":["https://openalex.org/I141945490","https://openalex.org/I4405260628"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062938524","display_name":"S\u00e9bastien Roy","orcid":"https://orcid.org/0000-0002-1262-9485"},"institutions":[{"id":"https://openalex.org/I135117807","display_name":"Universit\u00e9 de Sherbrooke","ror":"https://ror.org/00kybxq39","country_code":"CA","type":"education","lineage":["https://openalex.org/I135117807"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Sebastien Roy","raw_affiliation_strings":["Electrical and Computer Engineering Department, The Universit\u00e9 de Sherbrooke, Sherbrooke, QC, Canada"],"affiliations":[{"raw_affiliation_string":"Electrical and Computer Engineering Department, The Universit\u00e9 de Sherbrooke, Sherbrooke, QC, Canada","institution_ids":["https://openalex.org/I135117807"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5035919267","display_name":"Victor C. M. Leung","orcid":"https://orcid.org/0000-0003-3529-2640"},"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"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Victor C. M. Leung","raw_affiliation_strings":["Department of Electrical and Computer Engineering, The University of British Columbia, Vancouver, BC, Canada"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, The University of British Columbia, Vancouver, BC, Canada","institution_ids":["https://openalex.org/I141945490"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5100386867"],"corresponding_institution_ids":["https://openalex.org/I141945490","https://openalex.org/I4405260628"],"apc_list":null,"apc_paid":null,"fwci":22.2038,"has_fulltext":false,"cited_by_count":300,"citation_normalized_percentile":{"value":0.99656595,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":100},"biblio":{"volume":"35","issue":"12","first_page":"2874","last_page":"2885"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":1.0,"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/T10851","display_name":"Optical Wireless Communication Technologies","score":0.9901000261306763,"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/T12079","display_name":"IoT Networks and Protocols","score":0.9769999980926514,"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/computer-science","display_name":"Computer science","score":0.8311479091644287},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.6240946054458618},{"id":"https://openalex.org/keywords/scheduling","display_name":"Scheduling (production processes)","score":0.5777310729026794},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.5003461837768555},{"id":"https://openalex.org/keywords/probabilistic-logic","display_name":"Probabilistic logic","score":0.4999659061431885},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.4839654266834259},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.42903780937194824},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.2594681978225708},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.2338751256465912},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.18341171741485596},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.09366115927696228},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.09011915326118469}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8311479091644287},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.6240946054458618},{"id":"https://openalex.org/C206729178","wikidata":"https://www.wikidata.org/wiki/Q2271896","display_name":"Scheduling (production processes)","level":2,"score":0.5777310729026794},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.5003461837768555},{"id":"https://openalex.org/C49937458","wikidata":"https://www.wikidata.org/wiki/Q2599292","display_name":"Probabilistic logic","level":2,"score":0.4999659061431885},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.4839654266834259},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.42903780937194824},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2594681978225708},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.2338751256465912},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.18341171741485596},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.09366115927696228},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.09011915326118469},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jsac.2017.2777672","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsac.2017.2777672","pdf_url":null,"source":{"id":"https://openalex.org/S90422530","display_name":"IEEE Journal on Selected Areas in Communications","issn_l":"0733-8716","issn":["0733-8716","1558-0008"],"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 Journal on Selected Areas in Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.8399999737739563,"id":"https://metadata.un.org/sdg/7"}],"awards":[{"id":"https://openalex.org/G1836831911","display_name":null,"funder_award_id":"61471025","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G376770816","display_name":null,"funder_award_id":"61771044","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":36,"referenced_works":["https://openalex.org/W391578156","https://openalex.org/W1500900870","https://openalex.org/W1922937245","https://openalex.org/W1958281780","https://openalex.org/W1967956032","https://openalex.org/W1972541804","https://openalex.org/W1997834106","https://openalex.org/W2015078646","https://openalex.org/W2027563534","https://openalex.org/W2041176458","https://openalex.org/W2049483782","https://openalex.org/W2085486577","https://openalex.org/W2091502075","https://openalex.org/W2112170521","https://openalex.org/W2119952207","https://openalex.org/W2133019626","https://openalex.org/W2139850286","https://openalex.org/W2143252188","https://openalex.org/W2148622067","https://openalex.org/W2150957592","https://openalex.org/W2155714960","https://openalex.org/W2160998689","https://openalex.org/W2163754837","https://openalex.org/W2277419020","https://openalex.org/W2287831847","https://openalex.org/W2289565584","https://openalex.org/W2496222037","https://openalex.org/W2502385877","https://openalex.org/W2516569912","https://openalex.org/W2740350092","https://openalex.org/W2963291364","https://openalex.org/W3094393839","https://openalex.org/W3099378150","https://openalex.org/W3147150320","https://openalex.org/W4250589301","https://openalex.org/W6726227549"],"related_works":["https://openalex.org/W2548963335","https://openalex.org/W2159941915","https://openalex.org/W1995129237","https://openalex.org/W4388081250","https://openalex.org/W2909457694","https://openalex.org/W1761601995","https://openalex.org/W2904599916","https://openalex.org/W4313028534","https://openalex.org/W1979183926","https://openalex.org/W2798800775"],"abstract_inverted_index":{"Non-orthogonal":[0],"multiple":[1,21],"access":[2],"(NOMA)":[3],"exploits":[4],"successive":[5],"interference":[6],"cancellation":[7],"technique":[8],"at":[9],"the":[10,14,27,81,87,91,93,99,106,113,125,141,165,191,195,214,218,226,231,249,257,264],"receivers":[11],"to":[12,30,163,206,247],"improve":[13],"spectral":[15],"efficiency.":[16,168,252],"By":[17,229],"using":[18],"this":[19,50,139],"technique,":[20],"users":[22,104,118,208],"can":[23,119],"be":[24,120],"multiplexed":[25,103,117],"on":[26,39,174,209,213],"same":[28,107],"subchannel":[29],"achieve":[31],"high":[32,186],"sum":[33],"rate.":[34],"Most":[35],"previous":[36,111],"research":[37],"works":[38],"NOMA":[40,60],"systems":[41],"assume":[42],"perfect":[43],"channel":[44],"state":[45],"information":[46],"(CSI).":[47],"However,":[48],"in":[49,134],"paper,":[51],"we":[52],"investigate":[53],"energy":[54,68,167,251],"efficiency":[55],"improvement":[56],"for":[57,131,155],"a":[58,76,149,179,198],"downlink":[59],"single-cell":[61],"network":[62],"by":[63,225],"considering":[64],"imperfect":[65,126],"CSI.":[66],"The":[67,169],"efficient":[69],"resource":[70,132],"scheduling":[71,157,172,202,216,260],"problem":[72,79,144,233],"is":[73,128,145,161,204,223,245],"formulated":[74],"as":[75,178],"non-convex":[77],"optimization":[78,238],"with":[80],"constraints":[82],"of":[83,90,102,116],"outage":[84],"probability":[85],"limit,":[86],"maximum":[88,100,114],"power":[89,159,220,242],"system,":[92],"minimum":[94],"user":[95,156,171,201,215,259],"data":[96],"rate,":[97],"and":[98,124,158,194],"number":[101,115],"sharing":[105],"subchannel.":[108],"Different":[109],"from":[110],"works,":[112],"greater":[121],"than":[122],"two,":[123],"CSI":[127],"first":[129,146],"studied":[130],"allocation":[133,160,221,243],"NOMA.":[135],"To":[136,189],"efficiently":[137],"solve":[138],"problem,":[140,239],"probabilistic":[142],"mixed":[143],"transformed":[147],"into":[148,234],"non-probabilistic":[150],"problem.":[151],"An":[152],"iterative":[153,241],"algorithm":[154,244,261],"proposed":[162,205,246,258],"maximize":[164,248],"system":[166,180,192,250],"optimal":[170,219,265],"based":[173],"exhaustive":[175],"search":[176],"serves":[177],"performance":[181,193],"benchmark,":[182],"but":[183],"it":[184],"has":[185],"computational":[187,196],"complexity.":[188],"balance":[190],"complexity,":[197],"new":[199],"suboptimal":[200],"scheme":[203],"schedule":[207],"different":[210],"subchannels.":[211],"Based":[212],"scheme,":[217],"expression":[222],"derived":[224],"Lagrange":[227],"approach.":[228],"transforming":[230],"fractional-form":[232],"an":[235,240],"equivalent":[236],"subtractive-form":[237],"Simulation":[253],"results":[254],"demonstrate":[255],"that":[256],"closely":[262],"attains":[263],"performance.":[266]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":17},{"year":2024,"cited_by_count":20},{"year":2023,"cited_by_count":29},{"year":2022,"cited_by_count":35},{"year":2021,"cited_by_count":45},{"year":2020,"cited_by_count":69},{"year":2019,"cited_by_count":51},{"year":2018,"cited_by_count":29},{"year":2017,"cited_by_count":3}],"updated_date":"2026-04-15T08:11:43.952461","created_date":"2025-10-10T00:00:00"}
