{"id":"https://openalex.org/W4409156531","doi":"https://doi.org/10.1109/ieeeconf60004.2024.10942819","title":"Uncertainty-Aware Dimensionality Reduction for Channel Charting with Geodesic Loss","display_name":"Uncertainty-Aware Dimensionality Reduction for Channel Charting with Geodesic Loss","publication_year":2024,"publication_date":"2024-10-27","ids":{"openalex":"https://openalex.org/W4409156531","doi":"https://doi.org/10.1109/ieeeconf60004.2024.10942819"},"language":"en","primary_location":{"id":"doi:10.1109/ieeeconf60004.2024.10942819","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ieeeconf60004.2024.10942819","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 58th Asilomar Conference on Signals, Systems, and Computers","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/A5056809531","display_name":"Florian Euchner","orcid":"https://orcid.org/0000-0002-8090-1188"},"institutions":[{"id":"https://openalex.org/I100066346","display_name":"University of Stuttgart","ror":"https://ror.org/04vnq7t77","country_code":"DE","type":"education","lineage":["https://openalex.org/I100066346"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Florian Euchner","raw_affiliation_strings":["Institute of Telecommunications, Pfaffenwaldring 47, University of Stuttgart,Stuttgart,Germany,70569"],"affiliations":[{"raw_affiliation_string":"Institute of Telecommunications, Pfaffenwaldring 47, University of Stuttgart,Stuttgart,Germany,70569","institution_ids":["https://openalex.org/I100066346"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023662169","display_name":"Phillip Stephan","orcid":"https://orcid.org/0009-0007-4036-668X"},"institutions":[{"id":"https://openalex.org/I100066346","display_name":"University of Stuttgart","ror":"https://ror.org/04vnq7t77","country_code":"DE","type":"education","lineage":["https://openalex.org/I100066346"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Phillip Stephan","raw_affiliation_strings":["Institute of Telecommunications, Pfaffenwaldring 47, University of Stuttgart,Stuttgart,Germany,70569"],"affiliations":[{"raw_affiliation_string":"Institute of Telecommunications, Pfaffenwaldring 47, University of Stuttgart,Stuttgart,Germany,70569","institution_ids":["https://openalex.org/I100066346"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5034116116","display_name":"Stephan ten Brink","orcid":"https://orcid.org/0000-0003-1502-2571"},"institutions":[{"id":"https://openalex.org/I100066346","display_name":"University of Stuttgart","ror":"https://ror.org/04vnq7t77","country_code":"DE","type":"education","lineage":["https://openalex.org/I100066346"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Stephan ten Brink","raw_affiliation_strings":["Institute of Telecommunications, Pfaffenwaldring 47, University of Stuttgart,Stuttgart,Germany,70569"],"affiliations":[{"raw_affiliation_string":"Institute of Telecommunications, Pfaffenwaldring 47, University of Stuttgart,Stuttgart,Germany,70569","institution_ids":["https://openalex.org/I100066346"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5056809531"],"corresponding_institution_ids":["https://openalex.org/I100066346"],"apc_list":null,"apc_paid":null,"fwci":0.2179,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.57810692,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":97,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"1665","last_page":"1672"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.965399980545044,"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.965399980545044,"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/geodesic","display_name":"Geodesic","score":0.7239928245544434},{"id":"https://openalex.org/keywords/dimensionality-reduction","display_name":"Dimensionality reduction","score":0.7222726345062256},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6236074566841125},{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.5807303190231323},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.49085432291030884},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3915218114852905},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.33294278383255005},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.23707279562950134},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.16494464874267578},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.08972638845443726}],"concepts":[{"id":"https://openalex.org/C165818556","wikidata":"https://www.wikidata.org/wiki/Q213488","display_name":"Geodesic","level":2,"score":0.7239928245544434},{"id":"https://openalex.org/C70518039","wikidata":"https://www.wikidata.org/wiki/Q16000077","display_name":"Dimensionality reduction","level":2,"score":0.7222726345062256},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6236074566841125},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.5807303190231323},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.49085432291030884},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3915218114852905},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.33294278383255005},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.23707279562950134},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.16494464874267578},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.08972638845443726}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ieeeconf60004.2024.10942819","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ieeeconf60004.2024.10942819","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 58th Asilomar Conference on Signals, Systems, and Computers","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Climate action","score":0.4699999988079071,"id":"https://metadata.un.org/sdg/13"}],"awards":[{"id":"https://openalex.org/G5271406412","display_name":null,"funder_award_id":"16KISK019","funder_id":"https://openalex.org/F4320321114","funder_display_name":"Bundesministerium f\u00fcr Bildung und Forschung"}],"funders":[{"id":"https://openalex.org/F4320321114","display_name":"Bundesministerium f\u00fcr Bildung und Forschung","ror":"https://ror.org/04pz7b180"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W2134312057","https://openalex.org/W2167769608","https://openalex.org/W2884034421","https://openalex.org/W2885872256","https://openalex.org/W2965966043","https://openalex.org/W2991800852","https://openalex.org/W3132990529","https://openalex.org/W4324291694","https://openalex.org/W4393380091","https://openalex.org/W4394627297","https://openalex.org/W4400446984","https://openalex.org/W4403183287","https://openalex.org/W4409156903","https://openalex.org/W6635127432","https://openalex.org/W6730323794","https://openalex.org/W6839421927"],"related_works":["https://openalex.org/W1978591761","https://openalex.org/W2051487156","https://openalex.org/W4287661821","https://openalex.org/W3133864228","https://openalex.org/W2941285539","https://openalex.org/W1579299075","https://openalex.org/W4206698794","https://openalex.org/W3089249579","https://openalex.org/W4286749417","https://openalex.org/W2352590024"],"abstract_inverted_index":{"Channel":[0,36,61,85],"Charting":[1,37,86],"is":[2],"a":[3,11,71,125,161],"dimensionality":[4],"reduction":[5],"technique":[6],"that":[7,79],"learns":[8],"to":[9,54,70,87,136,145],"reconstruct":[10],"low-dimensional,":[12],"physically":[13],"interpretable":[14],"map":[15],"of":[16,23,35,58,98,120],"the":[17,56,96,101,118,148,153],"radio":[18],"environment":[19],"by":[20,104],"taking":[21],"advantage":[22],"similarity":[24],"relationships":[25],"found":[26],"in":[27,124,147],"high-dimensional":[28],"channel":[29,163],"state":[30],"information.":[31],"One":[32],"particular":[33],"family":[34],"methods":[38],"relies":[39],"on":[40,160],"pseudo-distances":[41],"between":[42,73],"measured":[43,162],"CSI":[44],"datapoints,":[45],"computed":[46],"using":[47],"dissimilarity":[48,59,83,122],"metrics.":[49],"We":[50,151],"suggest":[51],"several":[52],"techniques":[53],"improve":[55],"performance":[57,155],"metricbased":[60],"Charting.":[62],"For":[63],"one,":[64],"we":[65,94],"address":[66],"an":[67],"issue":[68],"related":[69],"discrepancy":[72],"Euclidean":[74],"distances":[75,78],"and":[76],"geodesic":[77],"occurs":[80],"when":[81],"applying":[82],"metric-based":[84],"datasets":[88],"with":[89],"nonconvex":[90],"low-dimensional":[91],"structure.":[92],"Furthermore,":[93],"incorporate":[95],"uncertainty":[97],"dissimilarities":[99,106],"into":[100,142],"learning":[102],"process":[103],"modeling":[105],"not":[107],"as":[108,112],"deterministic":[109],"quantities,":[110],"but":[111],"probability":[113],"distributions.":[114],"Our":[115],"framework":[116],"facilitates":[117],"combination":[119],"multiple":[121],"metrics":[123],"consistent":[126],"manner.":[127],"Additionally,":[128],"latent":[129],"space":[130],"dynamics":[131],"like":[132],"constrained":[133],"acceleration":[134],"due":[135],"physical":[137],"inertia":[138],"are":[139],"easily":[140],"taken":[141],"account":[143],"thanks":[144],"changes":[146],"training":[149],"procedure.":[150],"demonstrate":[152],"achieved":[154],"improvements":[156],"for":[157],"localization":[158],"applications":[159],"dataset.":[164]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-03-12T08:34:05.389933","created_date":"2025-10-10T00:00:00"}