{"id":"https://openalex.org/W4410229487","doi":"https://doi.org/10.1109/wcnc61545.2025.10978798","title":"Can We Rely on Gaussian Distribution for Few-Bit CSI Acquisition in Decentralized Distributed Massive MIMO?","display_name":"Can We Rely on Gaussian Distribution for Few-Bit CSI Acquisition in Decentralized Distributed Massive MIMO?","publication_year":2025,"publication_date":"2025-03-24","ids":{"openalex":"https://openalex.org/W4410229487","doi":"https://doi.org/10.1109/wcnc61545.2025.10978798"},"language":"en","primary_location":{"id":"doi:10.1109/wcnc61545.2025.10978798","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc61545.2025.10978798","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE Wireless Communications and Networking Conference (WCNC)","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/A5100615384","display_name":"Junbo Zhao","orcid":"https://orcid.org/0000-0003-0019-942X"},"institutions":[{"id":"https://openalex.org/I52099693","display_name":"University of York","ror":"https://ror.org/04m01e293","country_code":"GB","type":"education","lineage":["https://openalex.org/I52099693"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Junbo Zhao","raw_affiliation_strings":["School of Physics, Engineering and Technology University of York,York,UK"],"affiliations":[{"raw_affiliation_string":"School of Physics, Engineering and Technology University of York,York,UK","institution_ids":["https://openalex.org/I52099693"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5115842068","display_name":"Mostafa Rahmani Ghourtani","orcid":null},"institutions":[{"id":"https://openalex.org/I52099693","display_name":"University of York","ror":"https://ror.org/04m01e293","country_code":"GB","type":"education","lineage":["https://openalex.org/I52099693"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Mostafa Rahmani Ghourtani","raw_affiliation_strings":["School of Physics, Engineering and Technology University of York,York,UK"],"affiliations":[{"raw_affiliation_string":"School of Physics, Engineering and Technology University of York,York,UK","institution_ids":["https://openalex.org/I52099693"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5072939307","display_name":"Alister G. Burr","orcid":"https://orcid.org/0000-0001-6435-3962"},"institutions":[{"id":"https://openalex.org/I52099693","display_name":"University of York","ror":"https://ror.org/04m01e293","country_code":"GB","type":"education","lineage":["https://openalex.org/I52099693"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Alister Burr","raw_affiliation_strings":["School of Physics, Engineering and Technology University of York,York,UK"],"affiliations":[{"raw_affiliation_string":"School of Physics, Engineering and Technology University of York,York,UK","institution_ids":["https://openalex.org/I52099693"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5100615384"],"corresponding_institution_ids":["https://openalex.org/I52099693"],"apc_list":null,"apc_paid":null,"fwci":1.3553,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.81925469,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"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/T13182","display_name":"Quantum-Dot Cellular Automata","score":0.9950000047683716,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T13182","display_name":"Quantum-Dot Cellular Automata","score":0.9950000047683716,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9923999905586243,"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":0.9912999868392944,"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":0.7650614976882935},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7142410278320312},{"id":"https://openalex.org/keywords/bit","display_name":"Bit (key)","score":0.62474524974823},{"id":"https://openalex.org/keywords/gaussian","display_name":"Gaussian","score":0.5723322629928589},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.48073387145996094},{"id":"https://openalex.org/keywords/distribution","display_name":"Distribution (mathematics)","score":0.4159245789051056},{"id":"https://openalex.org/keywords/gaussian-process","display_name":"Gaussian process","score":0.41357314586639404},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.2881280183792114},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1321868598461151},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.06615832448005676}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7650614976882935},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7142410278320312},{"id":"https://openalex.org/C117011727","wikidata":"https://www.wikidata.org/wiki/Q1278488","display_name":"Bit (key)","level":2,"score":0.62474524974823},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.5723322629928589},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.48073387145996094},{"id":"https://openalex.org/C110121322","wikidata":"https://www.wikidata.org/wiki/Q865811","display_name":"Distribution (mathematics)","level":2,"score":0.4159245789051056},{"id":"https://openalex.org/C61326573","wikidata":"https://www.wikidata.org/wiki/Q1496376","display_name":"Gaussian process","level":3,"score":0.41357314586639404},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.2881280183792114},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1321868598461151},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.06615832448005676},{"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/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/wcnc61545.2025.10978798","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc61545.2025.10978798","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE Wireless Communications and Networking Conference (WCNC)","raw_type":"proceedings-article"},{"id":"pmh:oai:eprints.whiterose.ac.uk:221633","is_oa":false,"landing_page_url":"https://orcid.org/0000-0002-7943-9977>","pdf_url":null,"source":{"id":"https://openalex.org/S4306400854","display_name":"White Rose Research Online (University of Leeds, The University of Sheffield, University of York)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I2800616092","host_organization_name":"White Rose University Consortium","host_organization_lineage":["https://openalex.org/I2800616092"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"NonPeerReviewed"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W2149587581","https://openalex.org/W2286275639","https://openalex.org/W2791349588","https://openalex.org/W2883151890","https://openalex.org/W2963491643","https://openalex.org/W2964050245","https://openalex.org/W2965123227","https://openalex.org/W2966223819","https://openalex.org/W2974046131","https://openalex.org/W2982436670","https://openalex.org/W3091365446","https://openalex.org/W3158832185","https://openalex.org/W4396753526","https://openalex.org/W6756130111"],"related_works":["https://openalex.org/W4327546585","https://openalex.org/W2411923897","https://openalex.org/W4394546135","https://openalex.org/W4285347720","https://openalex.org/W4200259850","https://openalex.org/W2333831899","https://openalex.org/W2484894494","https://openalex.org/W1964286703","https://openalex.org/W2169866437","https://openalex.org/W3056417032"],"abstract_inverted_index":{"We":[0],"consider":[1],"a":[2,15,106,146],"decentralized":[3],"distributed":[4],"massive":[5,21],"MIMO":[6,22],"(DD-mMIMO)":[7],"system":[8],"with":[9],"limited":[10],"fronthaul":[11],"capacity.":[12],"This":[13],"is":[14,60,141,174],"novel":[16],"architecture":[17],"of":[18,30,58,76,79,138,160,164,180,183],"scalable":[19],"cell-free":[20],"(CF-mMIMO).":[23],"In":[24,63],"previous":[25],"studies,":[26],"the":[27,31,40,45,56,68,74,89,100,115,125,136,150,172,178,181],"input":[28],"signal":[29],"quantizer":[32],"in":[33,132,158],"CF-mMIMO":[34],"has":[35],"been":[36],"assumed":[37],"to":[38],"follow":[39],"Gaussian":[41,126,151],"distribution":[42,70,127],"based":[43],"on":[44],"central":[46],"limit":[47],"theorem.":[48],"However,":[49,143],"this":[50,64],"assumption":[51],"may":[52],"not":[53,61],"hold":[54],"when":[55,135,167],"number":[57,137,182],"variables":[59,82],"large.":[62],"paper,":[65],"we":[66,92,110],"derive":[67,93,111],"probability":[69],"function":[71],"(pdf)":[72],"for":[73,114],"sum":[75],"many":[77],"products":[78],"two":[80],"Gaussian-distributed":[81,86],"plus":[83],"an":[84,112],"additional":[85],"variable.":[87],"Using":[88],"actual":[90],"pdf,":[91],"closed-form":[94],"Bussgang":[95,133],"decomposition":[96,134],"coefficients":[97],"and":[98,153],"determine":[99],"optimum":[101],"step":[102],"interval":[103],"by":[104,177],"solving":[105],"maximization":[107],"problem.":[108],"Additionally,":[109],"expression":[113],"spectral":[116],"efficiency":[117],"(SE)":[118],"under":[119],"quantization.":[120,170],"Our":[121],"results":[122],"indicate":[123],"that":[124],"can":[128],"be":[129],"appropriately":[130],"applied":[131],"quantization":[139,184],"bits":[140],"limited.":[142],"there":[144],"exists":[145],"7.8%":[147],"gap":[148],"between":[149],"method":[152,157],"our":[154],"proposed":[155],"Non-Gaussian":[156],"terms":[159],"mean":[161],"square":[162],"error":[163],"channel":[165],"estimates":[166],"using":[168],"8-bit":[169],"Furthermore,":[171],"SE":[173],"significantly":[175],"influenced":[176],"choice":[179],"bits.":[185]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2026-04-20T07:46:08.049788","created_date":"2025-10-10T00:00:00"}