{"id":"https://openalex.org/W2915731440","doi":"https://doi.org/10.1109/glocom.2018.8647535","title":"Unsupervised Charting of Wireless Channels","display_name":"Unsupervised Charting of Wireless Channels","publication_year":2018,"publication_date":"2018-12-01","ids":{"openalex":"https://openalex.org/W2915731440","doi":"https://doi.org/10.1109/glocom.2018.8647535","mag":"2915731440"},"language":"en","primary_location":{"id":"doi:10.1109/glocom.2018.8647535","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2018.8647535","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE Global Communications Conference (GLOBECOM)","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://research.aalto.fi/en/publications/c3247af9-ac42-4253-911d-586ce893931c","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5072841301","display_name":"Sa\u00efd Medjkouh","orcid":null},"institutions":[{"id":"https://openalex.org/I205783295","display_name":"Cornell University","ror":"https://ror.org/05bnh6r87","country_code":"US","type":"education","lineage":["https://openalex.org/I205783295"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Said Medjkouh","raw_affiliation_strings":["Cornell University, Ithaca, NY"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Cornell University, Ithaca, NY","institution_ids":["https://openalex.org/I205783295"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011540207","display_name":"Emre G\u00f6n\u00fclta\u015f","orcid":"https://orcid.org/0000-0002-6071-9450"},"institutions":[{"id":"https://openalex.org/I205783295","display_name":"Cornell University","ror":"https://ror.org/05bnh6r87","country_code":"US","type":"education","lineage":["https://openalex.org/I205783295"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Emre Gonultas","raw_affiliation_strings":["Cornell University, Ithaca, NY"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Cornell University, Ithaca, NY","institution_ids":["https://openalex.org/I205783295"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060687985","display_name":"Tom Goldstein","orcid":"https://orcid.org/0000-0003-1660-9307"},"institutions":[{"id":"https://openalex.org/I66946132","display_name":"University of Maryland, College Park","ror":"https://ror.org/047s2c258","country_code":"US","type":"education","lineage":["https://openalex.org/I66946132"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Tom Goldstein","raw_affiliation_strings":["University of Maryland, College Park, MD"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Maryland, College Park, MD","institution_ids":["https://openalex.org/I66946132"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006597250","display_name":"Olav Tirkkonen","orcid":"https://orcid.org/0000-0002-2611-1636"},"institutions":[{"id":"https://openalex.org/I9927081","display_name":"Aalto University","ror":"https://ror.org/020hwjq30","country_code":"FI","type":"education","lineage":["https://openalex.org/I9927081"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Olav Tirkkonen","raw_affiliation_strings":["Aalto University, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Aalto University, Finland","institution_ids":["https://openalex.org/I9927081"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5083617223","display_name":"Christoph Studer","orcid":"https://orcid.org/0000-0001-8950-6267"},"institutions":[{"id":"https://openalex.org/I205783295","display_name":"Cornell University","ror":"https://ror.org/05bnh6r87","country_code":"US","type":"education","lineage":["https://openalex.org/I205783295"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Christoph Studer","raw_affiliation_strings":["Cornell University, Ithaca, NY"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Cornell University, Ithaca, NY","institution_ids":["https://openalex.org/I205783295"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.9482,"has_fulltext":true,"cited_by_count":6,"citation_normalized_percentile":{"value":0.8706085,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9995999932289124,"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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9995999932289124,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9994999766349792,"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/T10575","display_name":"Wireless Communication Networks Research","score":0.9976000189781189,"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":0.7861108779907227},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.6502785682678223},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.6439511775970459},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.621096134185791},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5810551643371582},{"id":"https://openalex.org/keywords/scheduling","display_name":"Scheduling (production processes)","score":0.5637773871421814},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.5569533705711365},{"id":"https://openalex.org/keywords/chart","display_name":"Chart","score":0.5216348767280579},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3244740962982178},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.25964319705963135},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.11006519198417664}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7861108779907227},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.6502785682678223},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.6439511775970459},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.621096134185791},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5810551643371582},{"id":"https://openalex.org/C206729178","wikidata":"https://www.wikidata.org/wiki/Q2271896","display_name":"Scheduling (production processes)","level":2,"score":0.5637773871421814},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.5569533705711365},{"id":"https://openalex.org/C190812933","wikidata":"https://www.wikidata.org/wiki/Q28923","display_name":"Chart","level":2,"score":0.5216348767280579},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3244740962982178},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.25964319705963135},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.11006519198417664},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C21547014","wikidata":"https://www.wikidata.org/wiki/Q1423657","display_name":"Operations management","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1109/glocom.2018.8647535","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2018.8647535","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE Global Communications Conference (GLOBECOM)","raw_type":"proceedings-article"},{"id":"pmh:oai:aaltodoc.aalto.fi:123456789/37378","is_oa":true,"landing_page_url":"https://research.aalto.fi/en/publications/c3247af9-ac42-4253-911d-586ce893931c","pdf_url":null,"source":{"id":"https://openalex.org/S4306401662","display_name":"Aaltodoc (Aalto University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I9927081","host_organization_name":"Aalto University","host_organization_lineage":["https://openalex.org/I9927081"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"acceptedVersion"},{"id":"pmh:oai:www.research-collection.ethz.ch:20.500.11850/455586","is_oa":true,"landing_page_url":"http://hdl.handle.net/20.500.11850/455586","pdf_url":null,"source":{"id":"https://openalex.org/S4306402302","display_name":"Repository for Publications and Research Data (ETH Zurich)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I35440088","host_organization_name":"ETH Zurich","host_organization_lineage":["https://openalex.org/I35440088"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"2018 IEEE Global Communications Conference (GLOBECOM)","raw_type":"info:eu-repo/semantics/conferenceObject"},{"id":"doi:10.3929/ethz-b-000455586","is_oa":true,"landing_page_url":"https://doi.org/10.3929/ethz-b-000455586","pdf_url":null,"source":{"id":"https://openalex.org/S7407051236","display_name":"ETH Z\u00fcrich Research Collection","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article-journal"}],"best_oa_location":{"id":"pmh:oai:aaltodoc.aalto.fi:123456789/37378","is_oa":true,"landing_page_url":"https://research.aalto.fi/en/publications/c3247af9-ac42-4253-911d-586ce893931c","pdf_url":null,"source":{"id":"https://openalex.org/S4306401662","display_name":"Aaltodoc (Aalto University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I9927081","host_organization_name":"Aalto University","host_organization_lineage":["https://openalex.org/I9927081"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"acceptedVersion"},"sustainable_development_goals":[{"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9","score":0.6399999856948853}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":37,"referenced_works":["https://openalex.org/W600319679","https://openalex.org/W884630482","https://openalex.org/W1483072991","https://openalex.org/W1733806262","https://openalex.org/W1871489475","https://openalex.org/W1990603581","https://openalex.org/W1997834106","https://openalex.org/W2003421918","https://openalex.org/W2013503669","https://openalex.org/W2045840914","https://openalex.org/W2054692642","https://openalex.org/W2094655360","https://openalex.org/W2100072490","https://openalex.org/W2100437550","https://openalex.org/W2100556411","https://openalex.org/W2128513990","https://openalex.org/W2133490805","https://openalex.org/W2134312057","https://openalex.org/W2135401627","https://openalex.org/W2137570937","https://openalex.org/W2141682101","https://openalex.org/W2145417574","https://openalex.org/W2147601077","https://openalex.org/W2152825437","https://openalex.org/W2170738062","https://openalex.org/W2240192984","https://openalex.org/W2345276999","https://openalex.org/W2469797310","https://openalex.org/W2531823880","https://openalex.org/W2592882403","https://openalex.org/W2913535645","https://openalex.org/W2962927793","https://openalex.org/W2963809637","https://openalex.org/W3106282754","https://openalex.org/W6628919931","https://openalex.org/W6690274725","https://openalex.org/W6758920291"],"related_works":["https://openalex.org/W1931943713","https://openalex.org/W301676527","https://openalex.org/W1757854673","https://openalex.org/W3140554627","https://openalex.org/W2507345605","https://openalex.org/W4289865786","https://openalex.org/W2110670012","https://openalex.org/W2103028776","https://openalex.org/W2051005918","https://openalex.org/W2172055400"],"abstract_inverted_index":{"Future":[0],"wireless":[1,79],"communication":[2],"systems":[3],"will":[4],"rely":[5],"on":[6],"large":[7],"antenna":[8],"arrays":[9],"at":[10,40],"the":[11,31,51,56,60,71,103,114],"infrastructure":[12],"base":[13],"stations":[14],"(BSs)":[15],"to":[16,46,112,125],"serve":[17],"multiple":[18],"users":[19,61],"with":[20],"high":[21],"data":[22],"rates":[23],"in":[24,66,70],"a":[25,48,86],"single":[26],"cell.":[27],"We":[28],"demonstrate":[29],"that":[30,63,90],"availability":[32],"of":[33,50,59,81,102],"high-dimensional":[34],"channel":[35,72,93,115,118],"state":[36],"information":[37,77,140],"(CSI)":[38],"acquired":[39],"such":[41],"multi-antenna":[42],"BSs":[43],"enables":[44],"one":[45],"learn":[47],"chart":[49,119],"radio":[52],"geometry,":[53],"which":[54,97],"captures":[55],"spatial":[57],"geometry":[58],"so":[62],"points":[64],"close":[65,69],"space":[67],"are":[68],"chart,":[73],"using":[74],"no":[75],"other":[76],"than":[78],"channels":[80],"users.":[82],"Specifically,":[83],"we":[84],"propose":[85],"novel":[87],"unsupervised":[88],"framework":[89],"first":[91],"extracts":[92],"features":[94],"from":[95,141],"CSI":[96],"characterize":[98],"large-scale":[99],"fading":[100],"effects":[101],"channel,":[104],"and":[105],"then":[106],"uses":[107],"specialized":[108],"dimensionality":[109],"reduction":[110],"tools":[111],"construct":[113],"chart.":[116],"The":[117],"can,":[120],"for":[121],"example,":[122],"be":[123],"used":[124],"perform":[126],"(relative)":[127],"user":[128],"localization,":[129],"predict":[130],"cell":[131],"hand-overs,":[132],"or":[133],"guide":[134],"scheduling":[135],"tasks,":[136],"without":[137],"accessing":[138],"location":[139],"global":[142],"navigation":[143],"satellite":[144],"systems.":[145]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
