{"id":"https://openalex.org/W3210533189","doi":"https://doi.org/10.1109/pimrc50174.2021.9569379","title":"Towards FDD Massive MIMO: Downlink Channel Covariance Matrix Estimation Using Conditional Generative Adversarial Networks","display_name":"Towards FDD Massive MIMO: Downlink Channel Covariance Matrix Estimation Using Conditional Generative Adversarial Networks","publication_year":2021,"publication_date":"2021-09-13","ids":{"openalex":"https://openalex.org/W3210533189","doi":"https://doi.org/10.1109/pimrc50174.2021.9569379","mag":"3210533189"},"language":"en","primary_location":{"id":"doi:10.1109/pimrc50174.2021.9569379","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc50174.2021.9569379","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE 32nd Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)","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/A5006651787","display_name":"Bitan Banerjee","orcid":"https://orcid.org/0000-0001-8165-5735"},"institutions":[{"id":"https://openalex.org/I154425047","display_name":"University of Alberta","ror":"https://ror.org/0160cpw27","country_code":"CA","type":"education","lineage":["https://openalex.org/I154425047"]}],"countries":["CA"],"is_corresponding":true,"raw_author_name":"Bitan Banerjee","raw_affiliation_strings":["University of Alberta,Department of Electrical and Computer Engineering,Edmonton,Canada"],"affiliations":[{"raw_affiliation_string":"University of Alberta,Department of Electrical and Computer Engineering,Edmonton,Canada","institution_ids":["https://openalex.org/I154425047"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036993788","display_name":"Robert C. Elliott","orcid":"https://orcid.org/0000-0001-5561-2088"},"institutions":[{"id":"https://openalex.org/I154425047","display_name":"University of Alberta","ror":"https://ror.org/0160cpw27","country_code":"CA","type":"education","lineage":["https://openalex.org/I154425047"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Robert C. Elliott","raw_affiliation_strings":["University of Alberta,Department of Electrical and Computer Engineering,Edmonton,Canada"],"affiliations":[{"raw_affiliation_string":"University of Alberta,Department of Electrical and Computer Engineering,Edmonton,Canada","institution_ids":["https://openalex.org/I154425047"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030687850","display_name":"Witold A. Krzymie\u0144","orcid":"https://orcid.org/0000-0002-2799-4733"},"institutions":[{"id":"https://openalex.org/I154425047","display_name":"University of Alberta","ror":"https://ror.org/0160cpw27","country_code":"CA","type":"education","lineage":["https://openalex.org/I154425047"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Witold A. Krzymien","raw_affiliation_strings":["University of Alberta,Department of Electrical and Computer Engineering,Edmonton,Canada"],"affiliations":[{"raw_affiliation_string":"University of Alberta,Department of Electrical and Computer Engineering,Edmonton,Canada","institution_ids":["https://openalex.org/I154425047"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5028318474","display_name":"Hamid Farmanbar","orcid":"https://orcid.org/0000-0001-7967-6553"},"institutions":[{"id":"https://openalex.org/I4210115038","display_name":"Huawei Technologies (Canada)","ror":"https://ror.org/026venb53","country_code":"CA","type":"company","lineage":["https://openalex.org/I2250955327","https://openalex.org/I4210115038"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Hamid Farmanbar","raw_affiliation_strings":["Huawei Canada Research Center,Ottawa,Canada","Huawei Canada Research Center, Ottawa, Canada"],"affiliations":[{"raw_affiliation_string":"Huawei Canada Research Center,Ottawa,Canada","institution_ids":["https://openalex.org/I4210115038"]},{"raw_affiliation_string":"Huawei Canada Research Center, Ottawa, Canada","institution_ids":["https://openalex.org/I4210115038"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5006651787"],"corresponding_institution_ids":["https://openalex.org/I154425047"],"apc_list":null,"apc_paid":null,"fwci":0.4011,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.61180844,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":96},"biblio":{"volume":"27","issue":null,"first_page":"940","last_page":"946"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9983000159263611,"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":0.9983000159263611,"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/T11946","display_name":"Antenna Design and Optimization","score":0.9968000054359436,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9948999881744385,"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/telecommunications-link","display_name":"Telecommunications link","score":0.9430755376815796},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6667309999465942},{"id":"https://openalex.org/keywords/covariance-matrix","display_name":"Covariance matrix","score":0.5647188425064087},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.520541787147522},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.47528472542762756},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4476378560066223},{"id":"https://openalex.org/keywords/covariance","display_name":"Covariance","score":0.4434676766395569},{"id":"https://openalex.org/keywords/unavailability","display_name":"Unavailability","score":0.43390488624572754},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.257098913192749},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.23602887988090515},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.13665977120399475}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.9430755376815796},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6667309999465942},{"id":"https://openalex.org/C185142706","wikidata":"https://www.wikidata.org/wiki/Q1134404","display_name":"Covariance matrix","level":2,"score":0.5647188425064087},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.520541787147522},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.47528472542762756},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4476378560066223},{"id":"https://openalex.org/C178650346","wikidata":"https://www.wikidata.org/wiki/Q201984","display_name":"Covariance","level":2,"score":0.4434676766395569},{"id":"https://openalex.org/C2780505938","wikidata":"https://www.wikidata.org/wiki/Q17093282","display_name":"Unavailability","level":2,"score":0.43390488624572754},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.257098913192749},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.23602887988090515},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.13665977120399475}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/pimrc50174.2021.9569379","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc50174.2021.9569379","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE 32nd Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)","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":48,"referenced_works":["https://openalex.org/W1708343048","https://openalex.org/W1836465849","https://openalex.org/W1901129140","https://openalex.org/W1921523184","https://openalex.org/W1938636034","https://openalex.org/W2001715686","https://openalex.org/W2036030019","https://openalex.org/W2076457767","https://openalex.org/W2097326293","https://openalex.org/W2099471712","https://openalex.org/W2120549790","https://openalex.org/W2124801067","https://openalex.org/W2128513990","https://openalex.org/W2141682101","https://openalex.org/W2147601077","https://openalex.org/W2159270596","https://openalex.org/W2195693430","https://openalex.org/W2272774410","https://openalex.org/W2483486758","https://openalex.org/W2490222774","https://openalex.org/W2509733445","https://openalex.org/W2548842562","https://openalex.org/W2770606349","https://openalex.org/W2885140458","https://openalex.org/W2916179838","https://openalex.org/W2921038745","https://openalex.org/W2949117887","https://openalex.org/W2963073614","https://openalex.org/W2963287650","https://openalex.org/W2963391296","https://openalex.org/W2963532871","https://openalex.org/W2963684088","https://openalex.org/W2963726076","https://openalex.org/W2964330541","https://openalex.org/W2966489107","https://openalex.org/W2967981090","https://openalex.org/W3013594094","https://openalex.org/W3016433488","https://openalex.org/W3037818400","https://openalex.org/W3040829133","https://openalex.org/W3081455451","https://openalex.org/W3106282754","https://openalex.org/W3122709416","https://openalex.org/W4320013936","https://openalex.org/W6638667902","https://openalex.org/W6639824700","https://openalex.org/W6640185926","https://openalex.org/W6685352114"],"related_works":["https://openalex.org/W4237235066","https://openalex.org/W2026539069","https://openalex.org/W207884067","https://openalex.org/W3127016596","https://openalex.org/W2365973415","https://openalex.org/W1482423459","https://openalex.org/W2996457675","https://openalex.org/W2886934452","https://openalex.org/W1489099099","https://openalex.org/W2024369332"],"abstract_inverted_index":{"Estimating":[0],"or":[1,72],"predicting":[2],"the":[3,35,65,103,108,129,147],"downlink":[4,24,83,111],"channel":[5,32,36],"state":[6],"information":[7],"(CSI)":[8],"is":[9,40,132],"extremely":[10],"important":[11],"for":[12,75,97,120,134],"practical":[13],"implementation":[14],"of":[15,23,67,128,146],"frequency":[16],"division":[17],"duplex":[18],"(FDD)":[19],"massive":[20],"MIMO.":[21],"Estimation":[22],"CSI":[25,28],"from":[26,80],"uplink":[27,81,109],"using":[29,59],"second":[30],"order":[31],"statistics,":[33],"namely":[34],"covariance":[37],"matrix":[38],"(CCM),":[39],"a":[41,68,90],"promising":[42],"approach.":[43],"However,":[44],"published":[45],"work":[46],"so":[47],"far":[48],"has":[49],"rarely":[50],"applied":[51],"machine":[52],"learning":[53,77],"techniques":[54,119],"to":[55,64,78,82,113],"solve":[56],"this":[57,86],"problem":[58],"CCMs,":[60],"most":[61],"probably":[62],"due":[63],"unavailability":[66],"direct":[69],"mapping":[70],"function":[71],"parametric":[73],"model":[74],"supervised":[76],"convert":[79,107],"CCMs.":[84,148],"In":[85],"paper,":[87],"we":[88,106],"develop":[89],"conditional":[91],"generative":[92],"adversarial":[93],"network":[94],"(CGAN)":[95],"method":[96],"uplink-to-downlink":[98],"CCM":[99],"conversion.":[100],"To":[101],"apply":[102],"CGAN-based":[104],"method,":[105],"and":[110,115,139,143],"CCMs":[112],"images":[114],"use":[116],"image":[117],"translation":[118],"CGANs.":[121],"The":[122],"normalized":[123],"mean":[124],"square":[125],"error":[126],"performance":[127,152],"proposed":[130],"CGAN":[131],"evaluated":[133],"several":[135],"antenna":[136],"array":[137],"sizes":[138],"with":[140],"both":[141],"perfect":[142],"imperfect":[144],"knowledge":[145],"Our":[149],"results":[150],"demonstrate":[151],"improvement":[153],"over":[154],"existing":[155],"algorithms.":[156]},"counts_by_year":[{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
