{"id":"https://openalex.org/W4313132539","doi":"https://doi.org/10.12720/jcm.17.6.463-471","title":"Beamspace NOMA Using User Clustering and Throughput Optimisation Algorithms for Massive MIMO","display_name":"Beamspace NOMA Using User Clustering and Throughput Optimisation Algorithms for Massive MIMO","publication_year":2022,"publication_date":"2022-01-01","ids":{"openalex":"https://openalex.org/W4313132539","doi":"https://doi.org/10.12720/jcm.17.6.463-471"},"language":"en","primary_location":{"id":"doi:10.12720/jcm.17.6.463-471","is_oa":true,"landing_page_url":"https://doi.org/10.12720/jcm.17.6.463-471","pdf_url":null,"source":{"id":"https://openalex.org/S184821498","display_name":"Journal of Communications","issn_l":"1796-2021","issn":["1796-2021","2374-4367"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4323867253","host_organization_name":"International Communication Association","host_organization_lineage":["https://openalex.org/P4323867253"],"host_organization_lineage_names":["International Communication Association"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Communications","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.12720/jcm.17.6.463-471","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5087859680","display_name":"Haitham Al Fatli","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Haitham Al Fatli","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041270969","display_name":"Khairun Nidzam Ramli","orcid":"https://orcid.org/0000-0002-2335-7040"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Khairun Nidzam Ramli","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5004809286","display_name":"Elfarizanis Baharudin","orcid":"https://orcid.org/0000-0003-4268-7667"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Elfarizanis Baharudin","raw_affiliation_strings":[],"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5087859680"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.6404,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.67210291,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"463","last_page":"471"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9987999796867371,"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":0.9987999796867371,"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":0.9984999895095825,"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9944000244140625,"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/mimo","display_name":"MIMO","score":0.8664544224739075},{"id":"https://openalex.org/keywords/noma","display_name":"Noma","score":0.8132304549217224},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7451711893081665},{"id":"https://openalex.org/keywords/cluster-analysis","display_name":"Cluster analysis","score":0.7400349378585815},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.6460185050964355},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.6164889931678772},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.6050896048545837},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4717833697795868},{"id":"https://openalex.org/keywords/efficient-energy-use","display_name":"Efficient energy use","score":0.4625043570995331},{"id":"https://openalex.org/keywords/3g-mimo","display_name":"3G MIMO","score":0.4378434419631958},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3515032231807709},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.3329584300518036},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.2909623980522156},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.25865504145622253},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.19794920086860657},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.18598675727844238},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.13930493593215942},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.08233246207237244},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.07650595903396606}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.8664544224739075},{"id":"https://openalex.org/C2775918612","wikidata":"https://www.wikidata.org/wiki/Q994794","display_name":"Noma","level":3,"score":0.8132304549217224},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7451711893081665},{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.7400349378585815},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.6460185050964355},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.6164889931678772},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.6050896048545837},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4717833697795868},{"id":"https://openalex.org/C2742236","wikidata":"https://www.wikidata.org/wiki/Q924713","display_name":"Efficient energy use","level":2,"score":0.4625043570995331},{"id":"https://openalex.org/C165650700","wikidata":"https://www.wikidata.org/wiki/Q4636347","display_name":"3G MIMO","level":4,"score":0.4378434419631958},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3515032231807709},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.3329584300518036},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.2909623980522156},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.25865504145622253},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.19794920086860657},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.18598675727844238},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.13930493593215942},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.08233246207237244},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.07650595903396606},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.12720/jcm.17.6.463-471","is_oa":true,"landing_page_url":"https://doi.org/10.12720/jcm.17.6.463-471","pdf_url":null,"source":{"id":"https://openalex.org/S184821498","display_name":"Journal of Communications","issn_l":"1796-2021","issn":["1796-2021","2374-4367"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4323867253","host_organization_name":"International Communication Association","host_organization_lineage":["https://openalex.org/P4323867253"],"host_organization_lineage_names":["International Communication Association"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Communications","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.12720/jcm.17.6.463-471","is_oa":true,"landing_page_url":"https://doi.org/10.12720/jcm.17.6.463-471","pdf_url":null,"source":{"id":"https://openalex.org/S184821498","display_name":"Journal of Communications","issn_l":"1796-2021","issn":["1796-2021","2374-4367"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4323867253","host_organization_name":"International Communication Association","host_organization_lineage":["https://openalex.org/P4323867253"],"host_organization_lineage_names":["International Communication Association"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Communications","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.9100000262260437,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2872971718","https://openalex.org/W3010469571","https://openalex.org/W4286469910","https://openalex.org/W2955866316","https://openalex.org/W2786992827","https://openalex.org/W2955593095","https://openalex.org/W3114164475","https://openalex.org/W4381785485","https://openalex.org/W3105462973","https://openalex.org/W4364856321"],"abstract_inverted_index":{"Massive":[0],"Multiple":[1,3,41],"Input":[2],"Output":[4],"(MIMO)":[5],"using":[6,65],"millimetre":[7,27],"wave":[8,28],"transmissions":[9],"received":[10],"significant":[11],"attention":[12],"due":[13,32],"to":[14,33,93,116,119,128],"its":[15],"significance":[16],"of":[17,61,164,166,178],"high":[18,154],"data":[19],"rate.":[20],"However,":[21],"achieving":[22],"energy":[23,99],"and":[24,87,98,131,143,156,168,176,181,196],"spectrum":[25],"efficient":[26],"communications":[29],"is":[30,44,114],"challenging":[31],"the":[34,58,81,105,134,162,171],"dedicated":[35],"Radio":[36],"Frequency":[37],"(RF)":[38],"chain.":[39],"Non-Orthogonal":[40],"Access":[42],"(NOMA)":[43],"used":[45],"in":[46,122,170,184],"beamspace":[47,62],"MIMO":[48,63,137,174,192],"(BS":[49],"MIMO)":[50],"significantly":[51],"overcome":[52],"such":[53],"challenges.":[54],"This":[55,78],"paper":[56],"proposes":[57],"enhanced":[59],"approach":[60],"NOMA":[64,132,175,193],"a":[66,73],"simple":[67],"yet":[68],"effective":[69],"clustering":[70,130],"solution":[71],"with":[72,147,161],"C-NOMA":[74,138],"throughput":[75,106],"optimisation":[76,107,112],"algorithm.":[77],"proposal":[79],"involves":[80],"lightweight":[82],"user":[83,121],"clustering,":[84],"lens":[85],"antenna,":[86],"clustering-based":[88],"iterative":[89],"power":[90,111,118],"allocation":[91],"algorithm":[92],"enhance":[94],"each":[95,120,123],"cluster's":[96],"spectral":[97],"efficiency":[100],"performance.":[101],"After":[102],"cluster":[103,124],"formation,":[104],"function":[108],"applies.":[109],"Iterative":[110],"method":[113],"proposed":[115,135],"allocate":[117],"dynamically.":[125],"Therefore,":[126],"compared":[127,160],"recent":[129],"methods,":[133],"BS":[136,173],"improves":[139],"Energy":[140],"Efficiency":[141,145],"(EE)":[142],"Spectral":[144],"(SE)":[146],"minimum":[148],"computational":[149],"overhead.":[150],"Results":[151],"demonstrate":[152],"that":[153],"EE":[155],"SE,":[157],"respectively,":[158],"as":[159],"percentage":[163],"improvement":[165,177],"26%":[167],"37%":[169],"existing":[172],"16.47":[179],"%":[180,183],"27.72":[182],"User":[185],"Clustering":[186],"based":[187],"on":[188],"Channel":[189],"Gain":[190],"(UCCG)":[191],"among":[194],"50":[195],"100":[197],"users.":[198]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":4}],"updated_date":"2026-01-13T01:12:25.745995","created_date":"2023-01-06T00:00:00"}