{"id":"https://openalex.org/W4413978668","doi":"https://doi.org/10.1109/spawc66079.2025.11143470","title":"Uncertainty Propagation in the Fast Fourier Transform","display_name":"Uncertainty Propagation in the Fast Fourier Transform","publication_year":2025,"publication_date":"2025-07-07","ids":{"openalex":"https://openalex.org/W4413978668","doi":"https://doi.org/10.1109/spawc66079.2025.11143470"},"language":"en","primary_location":{"id":"doi:10.1109/spawc66079.2025.11143470","is_oa":false,"landing_page_url":"https://doi.org/10.1109/spawc66079.2025.11143470","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE 26th International Workshop on Signal Processing and Artificial Intelligence for 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/A5047833670","display_name":"Luca Schmid","orcid":"https://orcid.org/0000-0003-1236-5253"},"institutions":[{"id":"https://openalex.org/I102335020","display_name":"Karlsruhe Institute of Technology","ror":"https://ror.org/04t3en479","country_code":"DE","type":"education","lineage":["https://openalex.org/I102335020","https://openalex.org/I1305996414"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Luca Schmid","raw_affiliation_strings":["Karlsruhe Institute of Technology (KIT),Communications Engineering Lab,Karlsruhe,Germany,76187"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Karlsruhe Institute of Technology (KIT),Communications Engineering Lab,Karlsruhe,Germany,76187","institution_ids":["https://openalex.org/I102335020"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018644113","display_name":"Charlotte Muth","orcid":"https://orcid.org/0000-0002-0478-6085"},"institutions":[{"id":"https://openalex.org/I102335020","display_name":"Karlsruhe Institute of Technology","ror":"https://ror.org/04t3en479","country_code":"DE","type":"education","lineage":["https://openalex.org/I102335020","https://openalex.org/I1305996414"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Charlotte Muth","raw_affiliation_strings":["Karlsruhe Institute of Technology (KIT),Communications Engineering Lab,Karlsruhe,Germany,76187"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Karlsruhe Institute of Technology (KIT),Communications Engineering Lab,Karlsruhe,Germany,76187","institution_ids":["https://openalex.org/I102335020"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5053280913","display_name":"Laurent Schmalen","orcid":"https://orcid.org/0000-0002-1459-9128"},"institutions":[{"id":"https://openalex.org/I102335020","display_name":"Karlsruhe Institute of Technology","ror":"https://ror.org/04t3en479","country_code":"DE","type":"education","lineage":["https://openalex.org/I102335020","https://openalex.org/I1305996414"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Laurent Schmalen","raw_affiliation_strings":["Karlsruhe Institute of Technology (KIT),Communications Engineering Lab,Karlsruhe,Germany,76187"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Karlsruhe Institute of Technology (KIT),Communications Engineering Lab,Karlsruhe,Germany,76187","institution_ids":["https://openalex.org/I102335020"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.19420291,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12300","display_name":"Advanced Electrical Measurement Techniques","score":0.7710000276565552,"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/T12300","display_name":"Advanced Electrical Measurement Techniques","score":0.7710000276565552,"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/T11890","display_name":"Scientific Measurement and Uncertainty Evaluation","score":0.7592999935150146,"subfield":{"id":"https://openalex.org/subfields/1804","display_name":"Statistics, Probability and Uncertainty"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12564","display_name":"Sensor Technology and Measurement Systems","score":0.6888999938964844,"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/computer-science","display_name":"Computer science","score":0.5867834687232971},{"id":"https://openalex.org/keywords/fourier-transform","display_name":"Fourier transform","score":0.5490111708641052},{"id":"https://openalex.org/keywords/discrete-fourier-transform","display_name":"Discrete Fourier transform (general)","score":0.5113527178764343},{"id":"https://openalex.org/keywords/short-time-fourier-transform","display_name":"Short-time Fourier transform","score":0.2848016619682312},{"id":"https://openalex.org/keywords/fourier-analysis","display_name":"Fourier analysis","score":0.24675077199935913},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.19216227531433105},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.0924433171749115}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5867834687232971},{"id":"https://openalex.org/C102519508","wikidata":"https://www.wikidata.org/wiki/Q6520159","display_name":"Fourier transform","level":2,"score":0.5490111708641052},{"id":"https://openalex.org/C57733114","wikidata":"https://www.wikidata.org/wiki/Q1006032","display_name":"Discrete Fourier transform (general)","level":5,"score":0.5113527178764343},{"id":"https://openalex.org/C166386157","wikidata":"https://www.wikidata.org/wiki/Q1477735","display_name":"Short-time Fourier transform","level":4,"score":0.2848016619682312},{"id":"https://openalex.org/C203024314","wikidata":"https://www.wikidata.org/wiki/Q1365258","display_name":"Fourier analysis","level":3,"score":0.24675077199935913},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.19216227531433105},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0924433171749115}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/spawc66079.2025.11143470","is_oa":false,"landing_page_url":"https://doi.org/10.1109/spawc66079.2025.11143470","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE 26th International Workshop on Signal Processing and Artificial Intelligence for Wireless Communications (SPAWC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1500129796","https://openalex.org/W2052963087","https://openalex.org/W2106233680","https://openalex.org/W2137813581","https://openalex.org/W2150859678","https://openalex.org/W2153999007","https://openalex.org/W2157841224","https://openalex.org/W2158122241","https://openalex.org/W2166852424","https://openalex.org/W2169415915","https://openalex.org/W2983810220","https://openalex.org/W4212863985","https://openalex.org/W4409156565"],"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/W2516295475","https://openalex.org/W2766639751","https://openalex.org/W2390401148"],"abstract_inverted_index":{"We":[0],"address":[1],"the":[2,8,14,78,82],"problem":[3],"of":[4,81],"uncertainty":[5],"propagation":[6,37],"in":[7,72,88],"discrete":[9],"Fourier":[10,16],"transform":[11,17],"by":[12],"modeling":[13],"fast":[15],"as":[18],"a":[19,56],"factor":[20],"graph.":[21],"Building":[22],"on":[23],"this":[24],"representation,":[25],"we":[26],"propose":[27],"an":[28,50],"efficient":[29],"framework":[30,84],"for":[31,85],"approximate":[32],"Bayesian":[33],"inference":[34,87],"using":[35],"belief":[36],"(BP)":[38],"and":[39,55,67,95],"expectation":[40],"propa-gation,":[41],"extending":[42],"its":[43],"applicability":[44],"beyond":[45],"Gaussian":[46],"assumptions.":[47],"By":[48],"leveraging":[49],"appropriate":[51],"BP":[52],"message":[53],"representation":[54],"suitable":[57],"schedule,":[58],"our":[59],"method":[60],"achieves":[61],"stable":[62],"convergence":[63],"with":[64],"accurate":[65],"mean":[66],"variance":[68],"estimates.":[69],"Numerical":[70],"experiments":[71],"representative":[73],"scenarios":[74],"from":[75],"communications":[76],"demonstrate":[77],"practical":[79],"potential":[80],"proposed":[83],"uncertainty-aware":[86],"probabilistic":[89],"systems":[90],"operating":[91],"across":[92],"both":[93],"time":[94],"frequency":[96],"domain.":[97]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}