{"id":"https://openalex.org/W4405974571","doi":"https://doi.org/10.1109/pimrc59610.2024.10817455","title":"Channel Charting Based Pilot Allocation in MIMO Systems","display_name":"Channel Charting Based Pilot Allocation in MIMO Systems","publication_year":2024,"publication_date":"2024-09-02","ids":{"openalex":"https://openalex.org/W4405974571","doi":"https://doi.org/10.1109/pimrc59610.2024.10817455"},"language":"en","primary_location":{"id":"doi:10.1109/pimrc59610.2024.10817455","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc59610.2024.10817455","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE 35th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://research.aalto.fi/en/publications/7fe48b19-1d98-4c1b-8934-718b16cdc0db","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5084647474","display_name":"Bushra Shaikh","orcid":"https://orcid.org/0000-0002-4362-8813"},"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":true,"raw_author_name":"Bushra Shaikh","raw_affiliation_strings":["Aalto University,Department of Information and Communications Engineering,Finland"],"affiliations":[{"raw_affiliation_string":"Aalto University,Department of Information and Communications Engineering,Finland","institution_ids":["https://openalex.org/I9927081"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5104749128","display_name":"Pere Garau Burguera","orcid":"https://orcid.org/0000-0002-3075-0334"},"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":"Pere Garau Burguera","raw_affiliation_strings":["Aalto University,Department of Information and Communications Engineering,Finland"],"affiliations":[{"raw_affiliation_string":"Aalto University,Department of Information and Communications Engineering,Finland","institution_ids":["https://openalex.org/I9927081"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042200785","display_name":"Hanan Al\u2013Tous","orcid":"https://orcid.org/0000-0001-8353-6289"},"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":"Hanan Al-Tous","raw_affiliation_strings":["Aalto University,Department of Information and Communications Engineering,Finland"],"affiliations":[{"raw_affiliation_string":"Aalto University,Department of Information and Communications Engineering,Finland","institution_ids":["https://openalex.org/I9927081"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029534229","display_name":"Markku Juntti","orcid":"https://orcid.org/0000-0002-5413-1896"},"institutions":[{"id":"https://openalex.org/I98381234","display_name":"University of Oulu","ror":"https://ror.org/03yj89h83","country_code":"FI","type":"education","lineage":["https://openalex.org/I98381234"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Markku Juntti","raw_affiliation_strings":["University of Oulu,Centre for Wireless Communications,Finland"],"affiliations":[{"raw_affiliation_string":"University of Oulu,Centre for Wireless Communications,Finland","institution_ids":["https://openalex.org/I98381234"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091193777","display_name":"Bilal Khan","orcid":"https://orcid.org/0000-0002-0382-4502"},"institutions":[{"id":"https://openalex.org/I929597975","display_name":"National University of Sciences and Technology","ror":"https://ror.org/03w2j5y17","country_code":"PK","type":"education","lineage":["https://openalex.org/I929597975"]}],"countries":["PK"],"is_corresponding":false,"raw_author_name":"Bilal Muhammad Khan","raw_affiliation_strings":["National University of Sciences and Technology,Department of Electronics and Power Engineering,Pakistan"],"affiliations":[{"raw_affiliation_string":"National University of Sciences and Technology,Department of Electronics and Power Engineering,Pakistan","institution_ids":["https://openalex.org/I929597975"]}]},{"author_position":"last","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,Department of Information and Communications Engineering,Finland"],"affiliations":[{"raw_affiliation_string":"Aalto University,Department of Information and Communications Engineering,Finland","institution_ids":["https://openalex.org/I9927081"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5084647474"],"corresponding_institution_ids":["https://openalex.org/I9927081"],"apc_list":null,"apc_paid":null,"fwci":0.4181,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.64500656,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9994000196456909,"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":0.9994000196456909,"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":0.9962000250816345,"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/T11409","display_name":"Advanced Wireless Network Optimization","score":0.9954000115394592,"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":0.6734462976455688},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6320734620094299},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5449768900871277},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.40040838718414307},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3659626245498657}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6734462976455688},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6320734620094299},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5449768900871277},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.40040838718414307},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3659626245498657}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/pimrc59610.2024.10817455","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc59610.2024.10817455","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE 35th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)","raw_type":"proceedings-article"},{"id":"pmh:oai:aaltodoc.aalto.fi:123456789/134028","is_oa":true,"landing_page_url":"https://research.aalto.fi/en/publications/7fe48b19-1d98-4c1b-8934-718b16cdc0db","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"}],"best_oa_location":{"id":"pmh:oai:aaltodoc.aalto.fi:123456789/134028","is_oa":true,"landing_page_url":"https://research.aalto.fi/en/publications/7fe48b19-1d98-4c1b-8934-718b16cdc0db","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":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320338463","display_name":"CHIST-ERA","ror":"https://ror.org/00rbzpz17"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W2142015064","https://openalex.org/W2145013959","https://openalex.org/W2147601077","https://openalex.org/W2180897872","https://openalex.org/W2343491855","https://openalex.org/W2408034629","https://openalex.org/W2770606349","https://openalex.org/W2784104402","https://openalex.org/W2792090252","https://openalex.org/W2799249207","https://openalex.org/W2884034421","https://openalex.org/W2919358556","https://openalex.org/W2925005112","https://openalex.org/W4205670411","https://openalex.org/W4288388718","https://openalex.org/W4310748270","https://openalex.org/W4381730132"],"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/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052"],"abstract_inverted_index":{"We":[0,155],"consider":[1,157],"uplink":[2],"pilot":[3,13],"allocation":[4],"based":[5,99,128,140,177],"on":[6,100,141],"multipoint":[7],"channel":[8,25,38,61,167],"charting":[9],"(CC)":[10],"to":[11,80,92,148,164],"mitigate":[12],"contamination":[14],"in":[15,29,85,95,133],"a":[16,59,138,158,183],"multi-cell":[17],"network":[18],"with":[19,33,130,151,179],"spatially":[20],"correlated":[21],"MIMO":[22],"channels.":[23],"The":[24],"chart":[26],"is":[27,63,67,78],"created":[28],"an":[30,149],"offline":[31],"phase":[32,98,136],"full":[34,142,152],"information,":[35,144],"i.e.":[36],"user":[37,111],"covariance":[39,62,153,168],"matrices":[40,169],"are":[41,90,106,117],"estimated":[42],"at":[43,70,170],"multiple":[44],"base":[45],"stations":[46],"(BSs).":[47],"In":[48],"the":[49,71,82,86,96,126,134,166,180],"online":[50,87,97,135],"phase,":[51],"we":[52],"assume":[53],"that":[54,125],"only":[55,69],"partial":[56,131,159],"information":[57,132,160],"about":[58],"user\u2019s":[60],"known,":[64],"i.e.,":[65],"it":[66],"available":[68],"serving":[72],"BS.":[73],"A":[74],"machine":[75,161],"learning":[76,162],"framework":[77,163],"developed":[79],"predict":[81,165],"CC":[83,104,120,127,176],"locations":[84,105],"phase.":[88],"Pilots":[89],"allocated":[91],"active":[93],"users":[94,116],"weighted":[101],"graph":[102],"colouring.":[103],"used":[107],"as":[108],"proxies":[109],"of":[110,182],"locations;":[112],"similarity":[113],"weights":[114],"between":[115],"constructed":[118],"from":[119],"distances.":[121],"Simulation":[122],"results":[123],"show":[124],"approach":[129],"outperforms":[137,175],"solution":[139],"angle-of-arrival":[143],"and":[145,187],"performs":[146],"closely":[147],"algorithm":[150],"information.":[154],"also":[156],"other":[171],"BSs,":[172],"which":[173],"slightly":[174],"approach,":[178],"price":[181],"larger":[184],"communication":[185],"overhead":[186],"computational":[188],"complexity.":[189]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1}],"updated_date":"2026-03-28T08:17:26.163206","created_date":"2025-10-10T00:00:00"}
