{"id":"https://openalex.org/W2983660937","doi":"https://doi.org/10.1109/access.2019.2951547","title":"Adaptive User Grouping Based on EVM Prediction for Efficient & Robust Massive MIMO in TDD","display_name":"Adaptive User Grouping Based on EVM Prediction for Efficient & Robust Massive MIMO in TDD","publication_year":2019,"publication_date":"2019-01-01","ids":{"openalex":"https://openalex.org/W2983660937","doi":"https://doi.org/10.1109/access.2019.2951547","mag":"2983660937"},"language":"en","primary_location":{"id":"doi:10.1109/access.2019.2951547","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2019.2951547","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08890787.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08890787.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5029703283","display_name":"Wael Boukley Hasan","orcid":"https://orcid.org/0000-0002-3157-0482"},"institutions":[{"id":"https://openalex.org/I36234482","display_name":"University of Bristol","ror":"https://ror.org/0524sp257","country_code":"GB","type":"education","lineage":["https://openalex.org/I36234482"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Wael Boukley Hasan","raw_affiliation_strings":["Communication Systems and Networks (CSN) Group, University of Bristol, Bristol, U.K"],"raw_orcid":"https://orcid.org/0000-0002-3157-0482","affiliations":[{"raw_affiliation_string":"Communication Systems and Networks (CSN) Group, University of Bristol, Bristol, U.K","institution_ids":["https://openalex.org/I36234482"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108016534","display_name":"Paul Harris","orcid":"https://orcid.org/0000-0002-4758-0685"},"institutions":[{"id":"https://openalex.org/I36234482","display_name":"University of Bristol","ror":"https://ror.org/0524sp257","country_code":"GB","type":"education","lineage":["https://openalex.org/I36234482"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Paul Harris","raw_affiliation_strings":["Communication Systems and Networks (CSN) Group, University of Bristol, Bristol, U.K"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Communication Systems and Networks (CSN) Group, University of Bristol, Bristol, U.K","institution_ids":["https://openalex.org/I36234482"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079284254","display_name":"Henry Bromell","orcid":null},"institutions":[{"id":"https://openalex.org/I36234482","display_name":"University of Bristol","ror":"https://ror.org/0524sp257","country_code":"GB","type":"education","lineage":["https://openalex.org/I36234482"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Henry Bromell","raw_affiliation_strings":["Communication Systems and Networks (CSN) Group, University of Bristol, Bristol, U.K"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Communication Systems and Networks (CSN) Group, University of Bristol, Bristol, U.K","institution_ids":["https://openalex.org/I36234482"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090998891","display_name":"Angela Doufexi","orcid":"https://orcid.org/0000-0003-0133-6676"},"institutions":[{"id":"https://openalex.org/I36234482","display_name":"University of Bristol","ror":"https://ror.org/0524sp257","country_code":"GB","type":"education","lineage":["https://openalex.org/I36234482"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Angela Doufexi","raw_affiliation_strings":["Communication Systems and Networks (CSN) Group, University of Bristol, Bristol, U.K"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Communication Systems and Networks (CSN) Group, University of Bristol, Bristol, U.K","institution_ids":["https://openalex.org/I36234482"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5081159321","display_name":"Mark A Beach","orcid":"https://orcid.org/0000-0002-6798-7001"},"institutions":[{"id":"https://openalex.org/I36234482","display_name":"University of Bristol","ror":"https://ror.org/0524sp257","country_code":"GB","type":"education","lineage":["https://openalex.org/I36234482"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Mark Beach","raw_affiliation_strings":["Communication Systems and Networks (CSN) Group, University of Bristol, Bristol, U.K"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Communication Systems and Networks (CSN) Group, University of Bristol, Bristol, U.K","institution_ids":["https://openalex.org/I36234482"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5029703283"],"corresponding_institution_ids":["https://openalex.org/I36234482"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":0.1211,"has_fulltext":true,"cited_by_count":6,"citation_normalized_percentile":{"value":0.48490077,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"7","issue":null,"first_page":"162683","last_page":"162696"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","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/T10148","display_name":"Advanced MIMO Systems Optimization","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/T11409","display_name":"Advanced Wireless Network Optimization","score":0.9980999827384949,"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/T11392","display_name":"Energy Harvesting in Wireless Networks","score":0.9977999925613403,"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":0.815149188041687},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8069503307342529},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.6375415325164795},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.5513120889663696},{"id":"https://openalex.org/keywords/multi-user-mimo","display_name":"Multi-user MIMO","score":0.5078778862953186},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4803970158100128},{"id":"https://openalex.org/keywords/wireless-network","display_name":"Wireless network","score":0.46310514211654663},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.4356471002101898},{"id":"https://openalex.org/keywords/computer-engineering","display_name":"Computer engineering","score":0.43394023180007935},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3752163052558899},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.35191115736961365},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.18564295768737793}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.815149188041687},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8069503307342529},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.6375415325164795},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.5513120889663696},{"id":"https://openalex.org/C91330434","wikidata":"https://www.wikidata.org/wiki/Q738298","display_name":"Multi-user MIMO","level":4,"score":0.5078778862953186},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4803970158100128},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.46310514211654663},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.4356471002101898},{"id":"https://openalex.org/C113775141","wikidata":"https://www.wikidata.org/wiki/Q428691","display_name":"Computer engineering","level":1,"score":0.43394023180007935},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3752163052558899},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.35191115736961365},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.18564295768737793}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1109/access.2019.2951547","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2019.2951547","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08890787.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:research-information.bris.ac.uk:openaire_cris_publications/0d556627-f59d-48e8-a23b-a212fa414192","is_oa":true,"landing_page_url":"https://hdl.handle.net/1983/0d556627-f59d-48e8-a23b-a212fa414192","pdf_url":"https://research-information.bris.ac.uk/files/219861151/untitled.pdf","source":{"id":"https://openalex.org/S7407055359","display_name":"Explore Bristol Research","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"Boukley Hasan, W, Harris, P, Bromell, H, Doufexi, A & Beach, M 2019, 'Adaptive User Grouping Based on EVM Prediction for Efficient & Robust Massive MIMO in TDD', IEEE Access, vol. 7, pp. 162683 - 162696. https://doi.org/10.1109/ACCESS.2019.2951547","raw_type":"info:eu-repo/semantics/publishedVersion"},{"id":"pmh:oai:research-information.bris.ac.uk:publications/0d556627-f59d-48e8-a23b-a212fa414192","is_oa":true,"landing_page_url":"https://research-information.bris.ac.uk/en/publications/0d556627-f59d-48e8-a23b-a212fa414192","pdf_url":null,"source":{"id":"https://openalex.org/S7407055359","display_name":"Explore Bristol Research","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"Boukley Hasan, W, Harris, P, Bromell, H, Doufexi, A & Beach, M 2019, 'Adaptive User Grouping Based on EVM Prediction for Efficient & Robust Massive MIMO in TDD', IEEE Access, vol. 7, pp. 162683 - 162696. https://doi.org/10.1109/ACCESS.2019.2951547","raw_type":"info:eu-repo/semantics/publishedVersion"},{"id":"pmh:oai:doaj.org/article:e7e455d0173549ec932409173d3a5f19","is_oa":true,"landing_page_url":"https://doaj.org/article/e7e455d0173549ec932409173d3a5f19","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 7, Pp 162683-162696 (2019)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2019.2951547","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2019.2951547","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08890787.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure","score":0.46000000834465027}],"awards":[{"id":"https://openalex.org/G5562138978","display_name":"Future Communications: People, Power and Performanace","funder_award_id":"EP/I028153/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G7393654221","display_name":null,"funder_award_id":"EP/L020009/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G7949710843","display_name":"Towards Ultimate Convergence of All Networks (TOUCAN)","funder_award_id":"EP/L020009/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"}],"funders":[{"id":"https://openalex.org/F4320334627","display_name":"Engineering and Physical Sciences Research Council","ror":"https://ror.org/0439y7842"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2983660937.pdf","grobid_xml":"https://content.openalex.org/works/W2983660937.grobid-xml"},"referenced_works_count":19,"referenced_works":["https://openalex.org/W1495650669","https://openalex.org/W1518945650","https://openalex.org/W1568716911","https://openalex.org/W1974552031","https://openalex.org/W1990955244","https://openalex.org/W2135846983","https://openalex.org/W2142238976","https://openalex.org/W2147601077","https://openalex.org/W2166826179","https://openalex.org/W2294766866","https://openalex.org/W2518954956","https://openalex.org/W2560671460","https://openalex.org/W2888025030","https://openalex.org/W2890096629","https://openalex.org/W2963726408","https://openalex.org/W3100399470","https://openalex.org/W3103793889","https://openalex.org/W6633814021","https://openalex.org/W6634237182"],"related_works":["https://openalex.org/W2134916061","https://openalex.org/W2545343974","https://openalex.org/W1500439066","https://openalex.org/W2542194775","https://openalex.org/W2182661536","https://openalex.org/W2955108753","https://openalex.org/W2155567810","https://openalex.org/W4205696264","https://openalex.org/W4381785485","https://openalex.org/W4285223123"],"abstract_inverted_index":{"Massive":[0],"multiple-input,":[1],"multiple-output":[2],"(Ma-MIMO)":[3],"offers":[4],"significant":[5],"capacity":[6],"improvements":[7],"for":[8,15,38,106,116,124,140],"sub-6GHz":[9],"wireless":[10,93,144],"access.":[11],"Evaluating":[12],"the":[13,22,27,53,56,59,63,79,99,112,125,131,161],"practicalities":[14],"real-world":[16,153],"deployments":[17],"and":[18,46,84],"identifying":[19],"solutions":[20],"is":[21,74,103,122],"next":[23],"critical":[24],"step":[25],"in":[26],"roll-out":[28],"of":[29,114,127],"this":[30,73],"technology.":[31],"Here":[32],"novel":[33],"adaptive":[34],"user":[35,64,163],"grouping":[36,164],"algorithms":[37],"a":[39],"single":[40],"cell":[41],"Ma-MIMO":[42],"scenario":[43],"are":[44,88],"proposed":[45,162],"shown":[47],"to":[48,90,159],"further":[49],"enhance":[50],"performance.":[51],"For":[52],"first":[54],"time,":[55],"methodology":[57],"addresses":[58],"interference":[60],"caused":[61],"by":[62,77],"channel":[65],"vectors":[66],"as":[67,69,143],"well":[68],"hardware":[70],"impairments.":[71],"Here,":[72],"uniquely":[75],"achieved":[76],"extracting":[78],"Error":[80],"Vector":[81],"Magnitude":[82],"(EVM),":[83],"three":[85],"different":[86],"methodologies":[87],"applied":[89],"address":[91],"specific":[92,136],"connectivity":[94],"objectives.":[95],"The":[96,109],"first,":[97],"maximizes":[98,111],"spectral":[100],"efficiency":[101],"which":[102,121],"more":[104],"desirable":[105],"cellular":[107],"networks.":[108],"second,":[110],"number":[113],"users":[115],"low":[117],"data":[118],"rate":[119],"bearers,":[120],"suitable":[123],"Internet":[126],"Things":[128],"(IoT).":[129],"Whilst,":[130],"third":[132],"approach":[133],"focuses":[134],"on":[135],"quality":[137],"per":[138],"user,":[139],"applications":[141],"such":[142],"cameras":[145],"at":[146],"major":[147],"cultural":[148],"or":[149],"sporting":[150],"events.":[151],"Importantly,":[152],"experimental":[154],"data-sets":[155],"have":[156],"been":[157],"used":[158],"evaluate":[160],"algorithms.":[165]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2020,"cited_by_count":1}],"updated_date":"2026-05-06T08:25:59.206177","created_date":"2019-11-22T00:00:00"}