{"id":"https://openalex.org/W2889385757","doi":"https://doi.org/10.1109/sam.2018.8448840","title":"Energy Efficient Resource Optimization for a Downlink NOMA Heterogeneous Small-Cell Network","display_name":"Energy Efficient Resource Optimization for a Downlink NOMA Heterogeneous Small-Cell Network","publication_year":2018,"publication_date":"2018-07-01","ids":{"openalex":"https://openalex.org/W2889385757","doi":"https://doi.org/10.1109/sam.2018.8448840","mag":"2889385757"},"language":"en","primary_location":{"id":"doi:10.1109/sam.2018.8448840","is_oa":false,"landing_page_url":"https://doi.org/10.1109/sam.2018.8448840","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE 10th Sensor Array and Multichannel Signal Processing Workshop (SAM)","raw_type":"proceedings-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/I28407311","display_name":"University of Manchester","ror":"https://ror.org/027m9bs27","country_code":"GB","type":"education","lineage":["https://openalex.org/I28407311"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Fang Fang","raw_affiliation_strings":["School of Electrical and Electronic Engineering, The University of Manchester, UK"],"affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, The University of Manchester, UK","institution_ids":["https://openalex.org/I28407311"]}]},{"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/A5002904166","display_name":"Zhiguo Ding","orcid":"https://orcid.org/0000-0001-5280-384X"},"institutions":[{"id":"https://openalex.org/I28407311","display_name":"University of Manchester","ror":"https://ror.org/027m9bs27","country_code":"GB","type":"education","lineage":["https://openalex.org/I28407311"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Zhiguo Ding","raw_affiliation_strings":["School of Electrical and Electronic Engineering, The University of Manchester, UK"],"affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, The University of Manchester, UK","institution_ids":["https://openalex.org/I28407311"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5042307561","display_name":"H. Vincent Poor","orcid":"https://orcid.org/0000-0002-2062-131X"},"institutions":[{"id":"https://openalex.org/I20089843","display_name":"Princeton University","ror":"https://ror.org/00hx57361","country_code":"US","type":"education","lineage":["https://openalex.org/I20089843"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"H. Vincent Poor","raw_affiliation_strings":["Department of Electrical Engineering, Princeton University, rinceton, NJ, USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Princeton University, rinceton, NJ, USA","institution_ids":["https://openalex.org/I20089843"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5100386867"],"corresponding_institution_ids":["https://openalex.org/I28407311"],"apc_list":null,"apc_paid":null,"fwci":1.5702,"has_fulltext":false,"cited_by_count":19,"citation_normalized_percentile":{"value":0.84320447,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"51","last_page":"55"},"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9993000030517578,"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":0.9983000159263611,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.75755774974823},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7064141631126404},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.6748447418212891},{"id":"https://openalex.org/keywords/noma","display_name":"Noma","score":0.6720176935195923},{"id":"https://openalex.org/keywords/resource-allocation","display_name":"Resource allocation","score":0.6269440054893494},{"id":"https://openalex.org/keywords/lagrangian-relaxation","display_name":"Lagrangian relaxation","score":0.6084957122802734},{"id":"https://openalex.org/keywords/efficient-energy-use","display_name":"Efficient energy use","score":0.5405387878417969},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.5395179986953735},{"id":"https://openalex.org/keywords/cellular-network","display_name":"Cellular network","score":0.5033800005912781},{"id":"https://openalex.org/keywords/relaxation","display_name":"Relaxation (psychology)","score":0.48945701122283936},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.4791633188724518},{"id":"https://openalex.org/keywords/convex-optimization","display_name":"Convex optimization","score":0.44645795226097107},{"id":"https://openalex.org/keywords/resource-management","display_name":"Resource management (computing)","score":0.43787938356399536},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.31624263525009155},{"id":"https://openalex.org/keywords/regular-polygon","display_name":"Regular polygon","score":0.26693129539489746},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.22893822193145752},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.21288838982582092},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.2100905179977417},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.11415442824363708}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.75755774974823},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7064141631126404},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.6748447418212891},{"id":"https://openalex.org/C2775918612","wikidata":"https://www.wikidata.org/wiki/Q994794","display_name":"Noma","level":3,"score":0.6720176935195923},{"id":"https://openalex.org/C29202148","wikidata":"https://www.wikidata.org/wiki/Q287260","display_name":"Resource allocation","level":2,"score":0.6269440054893494},{"id":"https://openalex.org/C91765299","wikidata":"https://www.wikidata.org/wiki/Q3424292","display_name":"Lagrangian relaxation","level":2,"score":0.6084957122802734},{"id":"https://openalex.org/C2742236","wikidata":"https://www.wikidata.org/wiki/Q924713","display_name":"Efficient energy use","level":2,"score":0.5405387878417969},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.5395179986953735},{"id":"https://openalex.org/C153646914","wikidata":"https://www.wikidata.org/wiki/Q535695","display_name":"Cellular network","level":2,"score":0.5033800005912781},{"id":"https://openalex.org/C2776029896","wikidata":"https://www.wikidata.org/wiki/Q3935810","display_name":"Relaxation (psychology)","level":2,"score":0.48945701122283936},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.4791633188724518},{"id":"https://openalex.org/C157972887","wikidata":"https://www.wikidata.org/wiki/Q463359","display_name":"Convex optimization","level":3,"score":0.44645795226097107},{"id":"https://openalex.org/C2780609101","wikidata":"https://www.wikidata.org/wiki/Q17156588","display_name":"Resource management (computing)","level":2,"score":0.43787938356399536},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.31624263525009155},{"id":"https://openalex.org/C112680207","wikidata":"https://www.wikidata.org/wiki/Q714886","display_name":"Regular polygon","level":2,"score":0.26693129539489746},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.22893822193145752},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.21288838982582092},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.2100905179977417},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.11415442824363708},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/sam.2018.8448840","is_oa":false,"landing_page_url":"https://doi.org/10.1109/sam.2018.8448840","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE 10th Sensor Array and Multichannel Signal Processing Workshop (SAM)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W1611909216","https://openalex.org/W1967956032","https://openalex.org/W2027563534","https://openalex.org/W2106749358","https://openalex.org/W2122496159","https://openalex.org/W2277419020","https://openalex.org/W2296319761","https://openalex.org/W2496222037","https://openalex.org/W2678530527","https://openalex.org/W2768861896","https://openalex.org/W2809668091","https://openalex.org/W2962986212","https://openalex.org/W2963336322","https://openalex.org/W2963626703","https://openalex.org/W4250589301"],"related_works":["https://openalex.org/W2731809633","https://openalex.org/W4297809146","https://openalex.org/W2940785943","https://openalex.org/W3185837504","https://openalex.org/W4285211169","https://openalex.org/W2558107934","https://openalex.org/W2073939733","https://openalex.org/W3145680184","https://openalex.org/W1558622706","https://openalex.org/W4367016302"],"abstract_inverted_index":{"Non-orthogonal":[0],"multiple":[1],"access":[2],"(NOMA)":[3],"is":[4,34,48,69],"considered":[5],"to":[6,17],"be":[7],"a":[8,37,52,66,72],"key":[9],"technology":[10],"for":[11,36],"fifth-generation":[12],"mobile":[13],"communication":[14],"networks":[15],"due":[16],"its":[18],"superior":[19],"spectral":[20],"efficiency.":[21,92],"In":[22],"this":[23],"paper,":[24],"the":[25,79],"problem":[26,47],"of":[27],"energy":[28,43,91],"efficient":[29,44],"subchannel":[30],"and":[31,62,87],"power":[32],"allocation":[33,46],"investigated":[35],"downlink":[38],"NOMA":[39],"heterogeneous":[40],"network.":[41],"The":[42],"resource":[45],"first":[49],"formulated":[50],"as":[51],"mixed":[53],"integer":[54],"nonconvex":[55],"optimization":[56],"problem.":[57],"By":[58],"exploiting":[59],"convex":[60],"relaxation":[61],"dual":[63],"decomposition":[64],"techniques,":[65],"closed-form":[67],"expression":[68],"derived":[70],"via":[71],"Lagrangian":[73],"approach.":[74],"Simulation":[75],"results":[76],"show":[77],"that":[78],"proposed":[80],"algorithm":[81],"can":[82],"converge":[83],"within":[84],"ten":[85],"iterations":[86],"obtain":[88],"high":[89],"system":[90]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":6}],"updated_date":"2026-04-15T08:11:43.952461","created_date":"2025-10-10T00:00:00"}