{"id":"https://openalex.org/W4403182465","doi":"https://doi.org/10.1109/spawc60668.2024.10694527","title":"Distributed Joint User Activity Detection, Channel Estimation, and Data Detection via Expectation Propagation in Cell-Free Massive MIMO","display_name":"Distributed Joint User Activity Detection, Channel Estimation, and Data Detection via Expectation Propagation in Cell-Free Massive MIMO","publication_year":2024,"publication_date":"2024-09-10","ids":{"openalex":"https://openalex.org/W4403182465","doi":"https://doi.org/10.1109/spawc60668.2024.10694527"},"language":"en","primary_location":{"id":"doi:10.1109/spawc60668.2024.10694527","is_oa":false,"landing_page_url":"https://doi.org/10.1109/spawc60668.2024.10694527","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE 25th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC)","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/A5069511025","display_name":"Christian Forsch","orcid":"https://orcid.org/0009-0009-9135-2207"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Christian Forsch","raw_affiliation_strings":["Friedrich-Alexander-Universit&#x00E4;t Erlangen-N&#x00FC;rnberg,Institute for Digital Communications,Erlangen,Germany"],"affiliations":[{"raw_affiliation_string":"Friedrich-Alexander-Universit&#x00E4;t Erlangen-N&#x00FC;rnberg,Institute for Digital Communications,Erlangen,Germany","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5093547747","display_name":"Alexander Karataev","orcid":"https://orcid.org/0000-0002-6211-5538"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Alexander Karataev","raw_affiliation_strings":["Friedrich-Alexander-Universit&#x00E4;t Erlangen-N&#x00FC;rnberg,Institute for Digital Communications,Erlangen,Germany"],"affiliations":[{"raw_affiliation_string":"Friedrich-Alexander-Universit&#x00E4;t Erlangen-N&#x00FC;rnberg,Institute for Digital Communications,Erlangen,Germany","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5064586027","display_name":"Laura Cottatellucci","orcid":"https://orcid.org/0000-0002-6641-8579"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Laura Cottatellucci","raw_affiliation_strings":["Friedrich-Alexander-Universit&#x00E4;t Erlangen-N&#x00FC;rnberg,Institute for Digital Communications,Erlangen,Germany"],"affiliations":[{"raw_affiliation_string":"Friedrich-Alexander-Universit&#x00E4;t Erlangen-N&#x00FC;rnberg,Institute for Digital Communications,Erlangen,Germany","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5069511025"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.8429,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.73729723,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"531","last_page":"535"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9965999722480774,"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":0.9965999722480774,"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/T13553","display_name":"Age of Information Optimization","score":0.9786999821662903,"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"}},{"id":"https://openalex.org/T11932","display_name":"Wireless Body Area Networks","score":0.9668999910354614,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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":0.6725767850875854},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6721202731132507},{"id":"https://openalex.org/keywords/joint","display_name":"Joint (building)","score":0.6221746802330017},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.44878342747688293},{"id":"https://openalex.org/keywords/estimation","display_name":"Estimation","score":0.4209343194961548},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.29933834075927734},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.13287988305091858}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6725767850875854},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6721202731132507},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.6221746802330017},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.44878342747688293},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.4209343194961548},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.29933834075927734},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.13287988305091858},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.0},{"id":"https://openalex.org/C170154142","wikidata":"https://www.wikidata.org/wiki/Q150737","display_name":"Architectural engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/spawc60668.2024.10694527","is_oa":false,"landing_page_url":"https://doi.org/10.1109/spawc60668.2024.10694527","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE 25th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320320879","display_name":"Deutsche Forschungsgemeinschaft","ror":"https://ror.org/018mejw64"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":26,"referenced_works":["https://openalex.org/W1993455775","https://openalex.org/W2064511203","https://openalex.org/W2111113050","https://openalex.org/W2145013959","https://openalex.org/W2171387626","https://openalex.org/W2237176355","https://openalex.org/W2286275639","https://openalex.org/W2593893328","https://openalex.org/W2706056020","https://openalex.org/W2824025591","https://openalex.org/W2884911846","https://openalex.org/W2890736047","https://openalex.org/W2964181991","https://openalex.org/W2974046131","https://openalex.org/W3001370401","https://openalex.org/W3015609872","https://openalex.org/W3034904013","https://openalex.org/W3081289793","https://openalex.org/W3158832185","https://openalex.org/W3173843961","https://openalex.org/W4318141576","https://openalex.org/W4389076530","https://openalex.org/W4390480714","https://openalex.org/W4403182465","https://openalex.org/W6630732035","https://openalex.org/W6640231202"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052","https://openalex.org/W4402327032","https://openalex.org/W2382290278"],"abstract_inverted_index":{"We":[0,13,35],"consider":[1],"the":[2,37,41,68,75,85,92,105],"uplink":[3],"of":[4,46,94,108],"a":[5,42,58,64],"grant-free":[6,101],"cell-free":[7],"massive":[8],"multiple-input":[9],"multiple-output":[10],"(GF-CF-MaMIMO)":[11],"system.":[12],"propose":[14],"an":[15],"algorithm":[16,38,87],"for":[17,120],"distributed":[18],"joint":[19],"activity":[20],"detection,":[21],"channel":[22],"estimation,":[23],"and":[24,49,55,61,111],"data":[25],"detection":[26],"(JACD)":[27],"based":[28],"on":[29,67],"expectation":[30],"propagation":[31],"(EP)":[32],"called":[33],"JACD-EP.":[34],"develop":[36],"by":[39],"factorizing":[40],"posteriori":[43],"probability":[44],"(APP)":[45],"activities,":[47],"channels,":[48],"transmitted":[50],"data,":[51],"then,":[52],"mapping":[53],"functions":[54],"variables":[56],"onto":[57],"factor":[59,70],"graph,":[60],"finally,":[62],"performing":[63],"message":[65],"passing":[66],"resulting":[69],"graph.":[71],"If":[72],"users":[73,110],"with":[74],"same":[76],"pilot":[77,95],"sequence":[78],"are":[79],"sufficiently":[80],"distant":[81],"from":[82],"each":[83],"other,":[84],"JACD-EP":[86],"is":[88],"able":[89],"to":[90,104],"mitigate":[91],"effects":[93],"contamination":[96],"which":[97],"naturally":[98],"occurs":[99],"in":[100,122],"systems":[102],"due":[103],"large":[106],"number":[107],"potential":[109],"limited":[112],"signaling":[113],"resources.":[114],"Furthermore,":[115],"it":[116],"outperforms":[117],"state-of-the-art":[118],"algorithms":[119],"JACD":[121],"GF-CF-MaMIMO":[123],"systems.":[124]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":1}],"updated_date":"2026-03-25T14:56:36.534964","created_date":"2025-10-10T00:00:00"}
