{"id":"https://openalex.org/W4312659121","doi":"https://doi.org/10.1109/access.2022.3220907","title":"Cell-Free Massive MIMO-OFDM Over Spatially Correlated Doubly Selective Channels","display_name":"Cell-Free Massive MIMO-OFDM Over Spatially Correlated Doubly Selective Channels","publication_year":2022,"publication_date":"2022-01-01","ids":{"openalex":"https://openalex.org/W4312659121","doi":"https://doi.org/10.1109/access.2022.3220907"},"language":"en","primary_location":{"id":"doi:10.1109/access.2022.3220907","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2022.3220907","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09943295.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/ielx7/6287639/6514899/09943295.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","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":true,"raw_author_name":"Guillem Femenias","raw_affiliation_strings":["Mobile Communications Group, University of the Balearic Islands (UIB), Palma, Illes Balears, Spain","Mobile Communications Group, University of the Balearic Islands (UIB), Ctra. de Valldemossa, km 7.5, Palma (Illes Balears), Spain"],"affiliations":[{"raw_affiliation_string":"Mobile Communications Group, University of the Balearic Islands (UIB), Palma, Illes Balears, Spain","institution_ids":["https://openalex.org/I50441567"]},{"raw_affiliation_string":"Mobile Communications Group, University of the Balearic Islands (UIB), Ctra. de Valldemossa, km 7.5, Palma (Illes Balears), Spain","institution_ids":["https://openalex.org/I50441567"]}]},{"author_position":"last","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":false,"raw_author_name":"Felip Riera-Palou","raw_affiliation_strings":["Mobile Communications Group, University of the Balearic Islands (UIB), Palma, Illes Balears, Spain","Mobile Communications Group, University of the Balearic Islands (UIB), Ctra. de Valldemossa, km 7.5, Palma (Illes Balears), Spain"],"affiliations":[{"raw_affiliation_string":"Mobile Communications Group, University of the Balearic Islands (UIB), Palma, Illes Balears, Spain","institution_ids":["https://openalex.org/I50441567"]},{"raw_affiliation_string":"Mobile Communications Group, University of the Balearic Islands (UIB), Ctra. de Valldemossa, km 7.5, Palma (Illes Balears), Spain","institution_ids":["https://openalex.org/I50441567"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5068049967"],"corresponding_institution_ids":["https://openalex.org/I50441567"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":0.0922,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.42744279,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":"10","issue":null,"first_page":"118438","last_page":"118453"},"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9998000264167786,"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6875779628753662},{"id":"https://openalex.org/keywords/minimum-mean-square-error","display_name":"Minimum mean square error","score":0.6386805772781372},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6201598644256592},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5866039991378784},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.5824689865112305},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.572799563407898},{"id":"https://openalex.org/keywords/subcarrier","display_name":"Subcarrier","score":0.49266964197158813},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.4317554533481598},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4040115773677826},{"id":"https://openalex.org/keywords/estimator","display_name":"Estimator","score":0.3542443513870239},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3121910095214844},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.22942256927490234},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1815376579761505}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6875779628753662},{"id":"https://openalex.org/C90652560","wikidata":"https://www.wikidata.org/wiki/Q11091747","display_name":"Minimum mean square error","level":3,"score":0.6386805772781372},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6201598644256592},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5866039991378784},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.5824689865112305},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.572799563407898},{"id":"https://openalex.org/C198329298","wikidata":"https://www.wikidata.org/wiki/Q586358","display_name":"Subcarrier","level":4,"score":0.49266964197158813},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.4317554533481598},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4040115773677826},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.3542443513870239},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3121910095214844},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.22942256927490234},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1815376579761505}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2022.3220907","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2022.3220907","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09943295.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:doaj.org/article:2ceb030d074242839dac934aba1e8e2a","is_oa":true,"landing_page_url":"https://doaj.org/article/2ceb030d074242839dac934aba1e8e2a","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 10, Pp 118438-118453 (2022)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2022.3220907","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2022.3220907","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09943295.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":[],"awards":[{"id":"https://openalex.org/G1643949827","display_name":null,"funder_award_id":"AEI/10.13039/501100011033","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G2262748287","display_name":null,"funder_award_id":"501100011033","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G2969783435","display_name":null,"funder_award_id":"CIN/AEI/10.13039/501100011033","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G300979063","display_name":null,"funder_award_id":"10.13039/501100011033","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G3429648993","display_name":null,"funder_award_id":"PID202","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G3480869486","display_name":null,"funder_award_id":"13039","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G4126322094","display_name":null,"funder_award_id":"01100011033","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G5080475149","display_name":null,"funder_award_id":"10.13039","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G661330594","display_name":null,"funder_award_id":"00110","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G6685425346","display_name":null,"funder_award_id":"0011033","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G7084143925","display_name":null,"funder_award_id":"AEI/10","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G7186414377","display_name":null,"funder_award_id":"MCIN/AEI/10.13039/501100011033","funder_id":"https://openalex.org/F4320322930","funder_display_name":"Ministerio de Ciencia e Innovaci\u00f3n"},{"id":"https://openalex.org/G7266728691","display_name":null,"funder_award_id":"13039/501100011033","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G7535663061","display_name":null,"funder_award_id":"AEI/10.","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G7736885172","display_name":null,"funder_award_id":"MICIN/AEI/10.13039/501100011033","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G8260616629","display_name":null,"funder_award_id":"011033","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G8515089939","display_name":null,"funder_award_id":"PID2020-115323RB-C32","funder_id":"https://openalex.org/F4320322930","funder_display_name":"Ministerio de Ciencia e Innovaci\u00f3n"},{"id":"https://openalex.org/G8638682022","display_name":null,"funder_award_id":"10.13039/50110001103","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"}],"funders":[{"id":"https://openalex.org/F4320322930","display_name":"Ministerio de Ciencia e Innovaci\u00f3n","ror":"https://ror.org/034900433"},{"id":"https://openalex.org/F4320335598","display_name":"Agencia Estatal de Investigaci\u00f3n","ror":null}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4312659121.pdf","grobid_xml":"https://content.openalex.org/works/W4312659121.grobid-xml"},"referenced_works_count":46,"referenced_works":["https://openalex.org/W1518945650","https://openalex.org/W1540562499","https://openalex.org/W1996872397","https://openalex.org/W2014447384","https://openalex.org/W2064969374","https://openalex.org/W2095305131","https://openalex.org/W2142456386","https://openalex.org/W2147601077","https://openalex.org/W2149258241","https://openalex.org/W2152053270","https://openalex.org/W2155174176","https://openalex.org/W2157667501","https://openalex.org/W2162636480","https://openalex.org/W2166627902","https://openalex.org/W2286275639","https://openalex.org/W2400238828","https://openalex.org/W2539198515","https://openalex.org/W2610350904","https://openalex.org/W2770606349","https://openalex.org/W2900841156","https://openalex.org/W2919337008","https://openalex.org/W2922989912","https://openalex.org/W2938113616","https://openalex.org/W2965824823","https://openalex.org/W2969768389","https://openalex.org/W2971415724","https://openalex.org/W2974046131","https://openalex.org/W2981096252","https://openalex.org/W2993827264","https://openalex.org/W3000769608","https://openalex.org/W3001739548","https://openalex.org/W3031954909","https://openalex.org/W3045086480","https://openalex.org/W3099345048","https://openalex.org/W3104746390","https://openalex.org/W3106510787","https://openalex.org/W3132954403","https://openalex.org/W3143519386","https://openalex.org/W3158898476","https://openalex.org/W3182706449","https://openalex.org/W3188358066","https://openalex.org/W3189366403","https://openalex.org/W4206180546","https://openalex.org/W4285246009","https://openalex.org/W4298272929","https://openalex.org/W4312258136"],"related_works":["https://openalex.org/W2172159377","https://openalex.org/W2152088989","https://openalex.org/W2091769028","https://openalex.org/W3141240674","https://openalex.org/W2055131418","https://openalex.org/W1501039677","https://openalex.org/W2166250390","https://openalex.org/W2306672848","https://openalex.org/W2019909929","https://openalex.org/W2103590590"],"abstract_inverted_index":{"This":[0],"paper":[1],"investigates":[2],"the":[3,11,34,43,78,130,147,150,173,226],"impact":[4],"of":[5,16,149,164,176,191],"doubly":[6],"selective":[7],"fading":[8],"channels":[9],"on":[10],"design":[12,109],"and":[13,28,42,57,88,102,118,124,133,166,182,203,212],"performance":[14,148,174,221],"analysis":[15],"cell-free":[17,155],"massive":[18,156],"multiple-input":[19],"multiple-output":[20],"(MIMO)-orthogonal":[21],"frequency":[22,29,167,211,230],"division":[23],"multiplexing":[24],"(OFDM)":[25],"networks.":[26],"Time":[27],"selectivity,":[30],"as":[31,33,229],"well":[32,208],"intercarrier":[35],"interference":[36],"(ICI)":[37],"effects,":[38],"are":[39,68,75,97,105,143],"fully":[40],"characterized,":[41],"spatial":[44],"channel":[45,95,103,179],"cross-covariance":[46,73,100],"matrices":[47,74,101],"associated":[48],"to":[49,108,126,145,225],"each":[50],"mobile":[51],"station":[52],"(MS)/access":[53],"point":[54],"(AP)":[55],"pair":[56],"for":[58],"every":[59],"OFDM":[60],"symbol/subcarrier":[61],"conforming":[62],"a":[63],"particular":[64],"resource":[65],"block":[66],"(RB)":[67],"derived.":[69],"Assuming":[70],"that":[71],"these":[72],"known":[76],"at":[77],"APs,":[79],"<italic":[80],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[81],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">optimal</i>":[82],"minimum":[83],"mean":[84],"square":[85],"error":[86],"(MMSE)-based":[87],"suboptimal":[89,201],"projected":[90],"MMSE":[91],"(PMMSE)-based":[92],"double":[93,111,152,177],"selectivity-aware":[94,112,153,178],"estimators/predictors":[96],"designed.":[98],"Spatial":[99],"estimates/predictions":[104],"then":[106],"used":[107,128],"scalable":[110,154],"partial-MMSE":[113],"(P-MMSE),":[114],"averaged":[115,120],"P-MMSE":[116,121],"(AP-MMSE)":[117],"statistically":[119],"(SAP-MMSE)":[122],"combiners":[123],"precoders":[125],"be":[127],"during":[129],"uplink":[131],"(UL)":[132],"downlink":[134],"(DL)":[135],"payload":[136],"data":[137],"transmission":[138],"phases.":[139],"Extensive":[140],"numerical":[141],"simulations":[142],"conducted":[144],"assess":[146],"proposed":[151],"MIMO":[157],"systems":[158],"under":[159,209],"scenarios":[160,190],"showing":[161],"different":[162],"degrees":[163],"time":[165,213,232],"selectivity.":[168],"Simulation":[169],"results":[170],"clearly":[171],"show":[172],"advantages":[175],"estimation/prediction":[180],"schemes":[181],"combining/precoding":[183],"strategies":[184,205],"when":[185],"working":[186],"in":[187],"high-mobility":[188],"multipath":[189],"practical":[192],"interest.":[193],"Moreover,":[194],"it":[195],"is":[196],"shown":[197],"that,":[198],"even":[199],"though":[200],"PMMSE/AP-MMSE":[202],"PMMSE/SAP-MMSE":[204],"perform":[206],"relatively":[207],"poor":[210],"selectivity":[214,233],"conditions,":[215],"they":[216],"suffer":[217],"from":[218],"very":[219],"significant":[220],"losses":[222],"with":[223],"respect":[224],"MMSE/P-MMSE":[227],"scheme":[228],"and/or":[231],"levels":[234],"increase.":[235]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2026-03-13T16:22:10.518609","created_date":"2025-10-10T00:00:00"}
