{"id":"https://openalex.org/W4207055444","doi":"https://doi.org/10.1109/gcwkshps52748.2021.9682022","title":"Selective Infrastructure Activation in Cell-free Massive MIMO: a Two Time-scale Approach","display_name":"Selective Infrastructure Activation in Cell-free Massive MIMO: a Two Time-scale Approach","publication_year":2021,"publication_date":"2021-12-01","ids":{"openalex":"https://openalex.org/W4207055444","doi":"https://doi.org/10.1109/gcwkshps52748.2021.9682022"},"language":"en","primary_location":{"id":"doi:10.1109/gcwkshps52748.2021.9682022","is_oa":false,"landing_page_url":"https://doi.org/10.1109/gcwkshps52748.2021.9682022","pdf_url":null,"source":{"id":"https://openalex.org/S4363605397","display_name":"2021 IEEE Globecom Workshops (GC Wkshps)","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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE Globecom Workshops (GC Wkshps)","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/A5041966559","display_name":"Felip Riera-Palou","orcid":"https://orcid.org/0000-0001-7080-3173"},"institutions":[{"id":"https://openalex.org/I50441567","display_name":"Universitat de les Illes Balears","ror":"https://ror.org/03e10x626","country_code":"ES","type":"education","lineage":["https://openalex.org/I50441567"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"F. Riera-Palou","raw_affiliation_strings":["Universitat de les Illes Balears,Mobile Communications Group,Mallorca,Spain,07122","Mobile Communications Group, Universitat de les Illes Balears, Mallorca, Spain"],"affiliations":[{"raw_affiliation_string":"Universitat de les Illes Balears,Mobile Communications Group,Mallorca,Spain,07122","institution_ids":["https://openalex.org/I50441567"]},{"raw_affiliation_string":"Mobile Communications Group, Universitat de les Illes Balears, Mallorca, Spain","institution_ids":["https://openalex.org/I50441567"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068049967","display_name":"Guillem Femenias","orcid":"https://orcid.org/0000-0003-2002-1733"},"institutions":[{"id":"https://openalex.org/I50441567","display_name":"Universitat de les Illes Balears","ror":"https://ror.org/03e10x626","country_code":"ES","type":"education","lineage":["https://openalex.org/I50441567"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"G. Femenias","raw_affiliation_strings":["Universitat de les Illes Balears,Mobile Communications Group,Mallorca,Spain,07122","Mobile Communications Group, Universitat de les Illes Balears, Mallorca, Spain"],"affiliations":[{"raw_affiliation_string":"Universitat de les Illes Balears,Mobile Communications Group,Mallorca,Spain,07122","institution_ids":["https://openalex.org/I50441567"]},{"raw_affiliation_string":"Mobile Communications Group, Universitat de les Illes Balears, Mallorca, Spain","institution_ids":["https://openalex.org/I50441567"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021247422","display_name":"Jan Garc\u00eda-Morales","orcid":"https://orcid.org/0000-0002-1776-7537"},"institutions":[{"id":"https://openalex.org/I50441567","display_name":"Universitat de les Illes Balears","ror":"https://ror.org/03e10x626","country_code":"ES","type":"education","lineage":["https://openalex.org/I50441567"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"J. Garc\u00eda-Morales","raw_affiliation_strings":["Universitat de les Illes Balears,Mobile Communications Group,Mallorca,Spain,07122","Mobile Communications Group, Universitat de les Illes Balears, Mallorca, Spain"],"affiliations":[{"raw_affiliation_string":"Universitat de les Illes Balears,Mobile Communications Group,Mallorca,Spain,07122","institution_ids":["https://openalex.org/I50441567"]},{"raw_affiliation_string":"Mobile Communications Group, Universitat de les Illes Balears, Mallorca, Spain","institution_ids":["https://openalex.org/I50441567"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5052919611","display_name":"Hien Quoc Ngo","orcid":"https://orcid.org/0000-0002-3367-2220"},"institutions":[{"id":"https://openalex.org/I126231945","display_name":"Queen's University Belfast","ror":"https://ror.org/00hswnk62","country_code":"GB","type":"education","lineage":["https://openalex.org/I126231945"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Hien Quoc Ngo","raw_affiliation_strings":["Queen&#x2019;s University Belfast,ECIT,Belfast,United Kingdom,BT3 9DT","ECIT, Queen's University Belfast, Belfast, United Kingdom"],"affiliations":[{"raw_affiliation_string":"Queen&#x2019;s University Belfast,ECIT,Belfast,United Kingdom,BT3 9DT","institution_ids":["https://openalex.org/I126231945"]},{"raw_affiliation_string":"ECIT, Queen's University Belfast, Belfast, United Kingdom","institution_ids":["https://openalex.org/I126231945"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5041966559"],"corresponding_institution_ids":["https://openalex.org/I50441567"],"apc_list":null,"apc_paid":null,"fwci":2.601,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.91627287,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"7"},"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/T11392","display_name":"Energy Harvesting in Wireless Networks","score":0.9997000098228455,"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":0.9988999962806702,"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":0.6785990595817566},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5753995180130005},{"id":"https://openalex.org/keywords/scale","display_name":"Scale (ratio)","score":0.4893023669719696},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.31563401222229004},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.16012579202651978}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6785990595817566},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5753995180130005},{"id":"https://openalex.org/C2778755073","wikidata":"https://www.wikidata.org/wiki/Q10858537","display_name":"Scale (ratio)","level":2,"score":0.4893023669719696},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.31563401222229004},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.16012579202651978},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/gcwkshps52748.2021.9682022","is_oa":false,"landing_page_url":"https://doi.org/10.1109/gcwkshps52748.2021.9682022","pdf_url":null,"source":{"id":"https://openalex.org/S4363605397","display_name":"2021 IEEE Globecom Workshops (GC Wkshps)","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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE Globecom Workshops (GC Wkshps)","raw_type":"proceedings-article"},{"id":"pmh:oai:pure.qub.ac.uk/portal:publications/09be7b05-d7ed-4632-ae3d-b4add7604a6f","is_oa":false,"landing_page_url":"https://pure.qub.ac.uk/en/publications/09be7b05-d7ed-4632-ae3d-b4add7604a6f","pdf_url":null,"source":{"id":"https://openalex.org/S4306402319","display_name":"Research Portal (Queen's University Belfast)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I126231945","host_organization_name":"Queen's University Belfast","host_organization_lineage":["https://openalex.org/I126231945"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Riera-Palou , F , Femenias , G , Garcia-Morales , J &amp; Ngo , H Q 2022 , Selective infrastructure activation in cell-free massive MIMO: a two time-scale approach . in 2021 IEEE Globecom Workshops (GC Wkshps): Proceedings . IEEE Globecom Workshops (GC Wkshps) , Institute of Electrical and Electronics Engineers Inc. , IEEE Global Communications Conference 2021 , Madrid , Spain , 07/12/2021 . https://doi.org/10.1109/GCWkshps52748.2021.9682022","raw_type":"contributionToPeriodical"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Industry, innovation and infrastructure","score":0.6200000047683716,"id":"https://metadata.un.org/sdg/9"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320335598","display_name":"Agencia Estatal de Investigaci\u00f3n","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W2009654461","https://openalex.org/W2112170521","https://openalex.org/W2286275639","https://openalex.org/W2742503793","https://openalex.org/W2919337008","https://openalex.org/W2919645791","https://openalex.org/W2974046131","https://openalex.org/W2984884920","https://openalex.org/W3003247710","https://openalex.org/W3045912855","https://openalex.org/W3091365446","https://openalex.org/W3128549410","https://openalex.org/W4205929200","https://openalex.org/W6786812630"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052"],"abstract_inverted_index":{"This":[0],"paper":[1],"recasts":[2],"the":[3,11,47,55,59,62,91,95,107],"concept":[4],"of":[5,13,22,26,61,83,94],"base":[6],"station":[7],"selective":[8],"activation":[9],"to":[10,78,88],"case":[12],"cell-free":[14],"massive":[15],"MIMO":[16],"(CF-M-MIMO)":[17],"networks":[18],"as":[19],"a":[20,24],"means":[21],"pursuing":[23],"variety":[25],"quality":[27],"and/or":[28],"operational":[29],"metrics.":[30],"Two":[31],"different":[32],"mechanisms":[33,109],"are":[34,103],"examined":[35],"that":[36,85],"operate":[37],"at":[38],"two":[39,108],"distinct":[40],"time-scales.":[41],"The":[42],"first":[43],"one":[44,57],"relies":[45],"on":[46],"users\u2019":[48],"mobility":[49],"patterns":[50],"(very":[51],"long":[52],"time-scale)":[53],"while":[54],"second":[56],"exploits":[58],"selectivity":[60],"large-scale":[63],"channel":[64],"gains":[65],"linking":[66],"users":[67],"and":[68],"access":[69],"points":[70],"(short":[71],"time-scale).":[72],"A":[73],"novel":[74],"algorithm":[75],"is":[76,86],"proposed":[77],"conduct":[79],"this":[80],"latter":[81],"form":[82],"adaptation":[84],"able":[87],"drastically":[89],"reduce":[90],"fronthaul":[92],"requirements":[93],"network":[96],"with":[97],"hardly":[98],"any":[99],"performance":[100],"penalty.":[101],"Results":[102],"presented":[104],"illustrating":[105],"how":[106],"can":[110],"be":[111],"synergistically":[112],"combined":[113],"under":[114],"either":[115],"centralized":[116],"or":[117],"distributed":[118],"precoding":[119],"schemes.":[120]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}
