{"id":"https://openalex.org/W3122915757","doi":"https://doi.org/10.1109/globecom42002.2020.9322207","title":"A Hybrid NOMA/OMA Scheme for MTC in Ultra-Dense Networks","display_name":"A Hybrid NOMA/OMA Scheme for MTC in Ultra-Dense Networks","publication_year":2020,"publication_date":"2020-12-01","ids":{"openalex":"https://openalex.org/W3122915757","doi":"https://doi.org/10.1109/globecom42002.2020.9322207","mag":"3122915757"},"language":"en","primary_location":{"id":"doi:10.1109/globecom42002.2020.9322207","is_oa":false,"landing_page_url":"https://doi.org/10.1109/globecom42002.2020.9322207","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"GLOBECOM 2020 - 2020 IEEE Global Communications Conference","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/A5021613864","display_name":"Mohammed Elbayoumi","orcid":"https://orcid.org/0000-0002-0147-2144"},"institutions":[{"id":"https://openalex.org/I60158472","display_name":"Concordia University","ror":"https://ror.org/0420zvk78","country_code":"CA","type":"education","lineage":["https://openalex.org/I60158472"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Mohammed Elbayoumi","raw_affiliation_strings":["CIISE, Concordia University, Montreal, QC, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CIISE, Concordia University, Montreal, QC, Canada","institution_ids":["https://openalex.org/I60158472"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005243649","display_name":"Walaa Hamouda","orcid":"https://orcid.org/0000-0001-6618-5851"},"institutions":[{"id":"https://openalex.org/I60158472","display_name":"Concordia University","ror":"https://ror.org/0420zvk78","country_code":"CA","type":"education","lineage":["https://openalex.org/I60158472"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Walaa Hamouda","raw_affiliation_strings":["ECE, Concordia University, Montreal, QC, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ECE, Concordia University, Montreal, QC, Canada","institution_ids":["https://openalex.org/I60158472"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5085765243","display_name":"Amr Youssef","orcid":"https://orcid.org/0000-0002-4284-8646"},"institutions":[{"id":"https://openalex.org/I60158472","display_name":"Concordia University","ror":"https://ror.org/0420zvk78","country_code":"CA","type":"education","lineage":["https://openalex.org/I60158472"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Amr Youssef","raw_affiliation_strings":["CIISE, Concordia University, Montreal, QC, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CIISE, Concordia University, Montreal, QC, Canada","institution_ids":["https://openalex.org/I60158472"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I60158472"],"apc_list":null,"apc_paid":null,"fwci":3.5783,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.94669159,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"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":0.9983999729156494,"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/T12079","display_name":"IoT Networks and Protocols","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/noma","display_name":"Noma","score":0.9506710767745972},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7358865737915039},{"id":"https://openalex.org/keywords/stochastic-geometry","display_name":"Stochastic geometry","score":0.6072906851768494},{"id":"https://openalex.org/keywords/single-antenna-interference-cancellation","display_name":"Single antenna interference cancellation","score":0.550210177898407},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.5324550271034241},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.522422730922699},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.5060076117515564},{"id":"https://openalex.org/keywords/disjoint-sets","display_name":"Disjoint sets","score":0.4672270715236664},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.4512159824371338},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.4423612356185913},{"id":"https://openalex.org/keywords/cellular-network","display_name":"Cellular network","score":0.4134519398212433},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.3562049865722656},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.163970947265625},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1548270881175995},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.14075037837028503}],"concepts":[{"id":"https://openalex.org/C2775918612","wikidata":"https://www.wikidata.org/wiki/Q994794","display_name":"Noma","level":3,"score":0.9506710767745972},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7358865737915039},{"id":"https://openalex.org/C31243852","wikidata":"https://www.wikidata.org/wiki/Q1666739","display_name":"Stochastic geometry","level":2,"score":0.6072906851768494},{"id":"https://openalex.org/C83204339","wikidata":"https://www.wikidata.org/wiki/Q7523915","display_name":"Single antenna interference cancellation","level":3,"score":0.550210177898407},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.5324550271034241},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.522422730922699},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.5060076117515564},{"id":"https://openalex.org/C45340560","wikidata":"https://www.wikidata.org/wiki/Q215382","display_name":"Disjoint sets","level":2,"score":0.4672270715236664},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.4512159824371338},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.4423612356185913},{"id":"https://openalex.org/C153646914","wikidata":"https://www.wikidata.org/wiki/Q535695","display_name":"Cellular network","level":2,"score":0.4134519398212433},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.3562049865722656},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.163970947265625},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1548270881175995},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.14075037837028503},{"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/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/globecom42002.2020.9322207","is_oa":false,"landing_page_url":"https://doi.org/10.1109/globecom42002.2020.9322207","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"GLOBECOM 2020 - 2020 IEEE Global Communications Conference","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure","score":0.5}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W1871594675","https://openalex.org/W1985999806","https://openalex.org/W2150166076","https://openalex.org/W2398409936","https://openalex.org/W2517330812","https://openalex.org/W2583614902","https://openalex.org/W2605158632","https://openalex.org/W2735500522","https://openalex.org/W2802495557","https://openalex.org/W2816735303","https://openalex.org/W2887019724","https://openalex.org/W2944975502","https://openalex.org/W2963276763","https://openalex.org/W2963643093","https://openalex.org/W2964086685","https://openalex.org/W2989231300","https://openalex.org/W3004116256","https://openalex.org/W3009963081","https://openalex.org/W3014429824","https://openalex.org/W6639151352"],"related_works":["https://openalex.org/W3039370918","https://openalex.org/W2980162015","https://openalex.org/W2769732439","https://openalex.org/W2370038111","https://openalex.org/W4361208685","https://openalex.org/W4297882612","https://openalex.org/W3091696342","https://openalex.org/W3214327504","https://openalex.org/W4235843916","https://openalex.org/W4387429616"],"abstract_inverted_index":{"Non-Orthogonal":[0],"Multiple-Access":[1,120],"(NOMA)":[2],"where":[3],"multiple":[4],"users":[5],"share":[6],"the":[7,34,37,61,64,98,127,130,135,140,155,159,168,175,179,182],"same":[8],"resources":[9],"simultaneously,":[10],"is":[11,72],"one":[12],"promising":[13],"candidate":[14],"for":[15,97],"beyond":[16],"5G.":[17],"Besides,":[18],"an":[19,94],"Ultra-Dense":[20],"Network":[21],"(UDN)":[22],"with":[23,81],"massive":[24,56,65],"numbers":[25],"of":[26,36,58,63,117,129,177,184],"deployed":[27,48],"Small":[28],"Cells":[29],"(SCs)":[30],"can":[31,163],"significantly":[32],"boost":[33],"performance":[35],"network.":[38],"In":[39],"this":[40],"paper,":[41],"we":[42,92,133],"propose":[43],"a":[44,50,55,115],"hybrid":[45,108,160],"NOMA/OMA":[46,109,161],"scenario":[47,116],"within":[49],"UDN":[51,131],"environment":[52],"to":[53,114,125],"support":[54],"number":[57],"devices":[59,76],"under":[60],"umbrella":[62],"MachineType":[66],"Communication":[67],"(mMTC)":[68],"use":[69],"case.":[70],"NOMA":[71,185],"performed":[73],"through":[74,149],"pairing":[75],"from":[77,89,158],"two":[78],"disjoint":[79],"groups":[80],"different":[82,169],"normalized":[83],"Signal-to-Interference":[84],"Ratio":[85],"(SIR).":[86],"Using":[87],"tools":[88],"stochastic":[90],"geometry,":[91],"derive":[93],"analytical":[95],"expression":[96],"Area":[99],"Spectral":[100],"Efficiency":[101],"(ASE)":[102],"gain":[103,156],"when":[104],"deploying":[105],"our":[106],"proposed":[107],"scheme":[110,162],"and":[111,152],"compare":[112],"it":[113],"pure":[118],"Orthogonal":[119],"(OMA).":[121],"Moreover,":[122],"in":[123],"order":[124],"reflect":[126],"characteristics":[128],"environment,":[132],"model":[134],"large":[136],"scale":[137],"fading":[138],"using":[139],"Stretched":[141],"Exponential":[142],"Path":[143],"Loss":[144],"(SEPL)":[145],"model.":[146],"We":[147,172],"show":[148],"both":[150],"simulations":[151],"analyses":[153],"that":[154],"obtained":[157],"be":[164],"optimized":[165],"based":[166],"on":[167,181],"system":[170],"parameters.":[171],"also":[173],"investigate":[174],"impact":[176],"densifying":[178],"network":[180],"significance":[183],"deployment.":[186]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}