{"id":"https://openalex.org/W4285158013","doi":"https://doi.org/10.1109/lcomm.2022.3187661","title":"A Transformer-Based Signal Denoising Network for AoA Estimation in NLoS Environments","display_name":"A Transformer-Based Signal Denoising Network for AoA Estimation in NLoS Environments","publication_year":2022,"publication_date":"2022-06-30","ids":{"openalex":"https://openalex.org/W4285158013","doi":"https://doi.org/10.1109/lcomm.2022.3187661"},"language":"en","primary_location":{"id":"doi:10.1109/lcomm.2022.3187661","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2022.3187661","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Communications Letters","raw_type":"journal-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/A5084704469","display_name":"Junchen Liu","orcid":"https://orcid.org/0000-0001-7391-4047"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Junchen Liu","raw_affiliation_strings":["Department of Electronic Engineering and the Beijing National Research Center for Information Science and Technology, Tsinghua University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0001-7391-4047","affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering and the Beijing National Research Center for Information Science and Technology, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100417419","display_name":"Tianyu Wang","orcid":"https://orcid.org/0000-0002-1046-1121"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tianyu Wang","raw_affiliation_strings":["Department of Electronic Engineering and the Beijing National Research Center for Information Science and Technology, Tsinghua University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-1046-1121","affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering and the Beijing National Research Center for Information Science and Technology, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044386909","display_name":"Yuxiao Li","orcid":"https://orcid.org/0000-0002-6496-9991"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuxiao Li","raw_affiliation_strings":["Department of Electronic Engineering and the Beijing National Research Center for Information Science and Technology, Tsinghua University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering and the Beijing National Research Center for Information Science and Technology, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100354297","display_name":"Cheng Li","orcid":"https://orcid.org/0000-0003-3424-2414"},"institutions":[{"id":"https://openalex.org/I2250955327","display_name":"Huawei Technologies (China)","ror":"https://ror.org/00cmhce21","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250955327"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Cheng Li","raw_affiliation_strings":["Huawei Technologies Company Ltd., Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Huawei Technologies Company Ltd., Shanghai, China","institution_ids":["https://openalex.org/I2250955327"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059751445","display_name":"Yi Wang","orcid":"https://orcid.org/0000-0001-8511-8558"},"institutions":[{"id":"https://openalex.org/I2250955327","display_name":"Huawei Technologies (China)","ror":"https://ror.org/00cmhce21","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250955327"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yi Wang","raw_affiliation_strings":["Huawei Technologies Company Ltd., Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0001-8511-8558","affiliations":[{"raw_affiliation_string":"Huawei Technologies Company Ltd., Shanghai, China","institution_ids":["https://openalex.org/I2250955327"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5052022779","display_name":"Yuan Shen","orcid":"https://orcid.org/0000-0002-9396-1964"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuan Shen","raw_affiliation_strings":["Department of Electronic Engineering and the Beijing National Research Center for Information Science and Technology, Tsinghua University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-9396-1964","affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering and the Beijing National Research Center for Information Science and Technology, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5084704469"],"corresponding_institution_ids":["https://openalex.org/I99065089"],"apc_list":null,"apc_paid":null,"fwci":1.8474,"has_fulltext":false,"cited_by_count":20,"citation_normalized_percentile":{"value":0.85048572,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":97,"max":99},"biblio":{"volume":"26","issue":"10","first_page":"2336","last_page":"2339"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9998000264167786,"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":0.9998000264167786,"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/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9952999949455261,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9947999715805054,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/non-line-of-sight-propagation","display_name":"Non-line-of-sight propagation","score":0.8615922927856445},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7976932525634766},{"id":"https://openalex.org/keywords/angle-of-arrival","display_name":"Angle of arrival","score":0.5283846259117126},{"id":"https://openalex.org/keywords/transceiver","display_name":"Transceiver","score":0.5047928094863892},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.4793456494808197},{"id":"https://openalex.org/keywords/noise-reduction","display_name":"Noise reduction","score":0.4674305319786072},{"id":"https://openalex.org/keywords/radio-propagation","display_name":"Radio propagation","score":0.4214932322502136},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3683231472969055},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2567278742790222},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.23329466581344604}],"concepts":[{"id":"https://openalex.org/C154910267","wikidata":"https://www.wikidata.org/wiki/Q1740982","display_name":"Non-line-of-sight propagation","level":3,"score":0.8615922927856445},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7976932525634766},{"id":"https://openalex.org/C13545353","wikidata":"https://www.wikidata.org/wiki/Q4763363","display_name":"Angle of arrival","level":3,"score":0.5283846259117126},{"id":"https://openalex.org/C7720470","wikidata":"https://www.wikidata.org/wiki/Q954187","display_name":"Transceiver","level":3,"score":0.5047928094863892},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.4793456494808197},{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.4674305319786072},{"id":"https://openalex.org/C202311505","wikidata":"https://www.wikidata.org/wiki/Q1474701","display_name":"Radio propagation","level":2,"score":0.4214932322502136},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3683231472969055},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2567278742790222},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.23329466581344604},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lcomm.2022.3187661","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2022.3187661","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G7781267540","display_name":null,"funder_award_id":"61871256","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7877711908","display_name":null,"funder_award_id":"2020YFC1511803","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W2048091460","https://openalex.org/W2129088323","https://openalex.org/W2156668452","https://openalex.org/W2613155248","https://openalex.org/W2883152037","https://openalex.org/W2884585870","https://openalex.org/W2995601204","https://openalex.org/W3164854880","https://openalex.org/W3194620979","https://openalex.org/W3207918547","https://openalex.org/W4207066166","https://openalex.org/W4210330893","https://openalex.org/W4281555742","https://openalex.org/W6739901393"],"related_works":["https://openalex.org/W2784460138","https://openalex.org/W2110622756","https://openalex.org/W2215607475","https://openalex.org/W1995685498","https://openalex.org/W2129094256","https://openalex.org/W2047918636","https://openalex.org/W2090958333","https://openalex.org/W4307018408","https://openalex.org/W2006892817","https://openalex.org/W2996196709"],"abstract_inverted_index":{"The":[0],"next-generation":[1],"communications":[2],"impose":[3],"requirements":[4],"on":[5,35,68],"integrated":[6],"sensing":[7],"and":[8,38,57],"communication.":[9],"However,":[10],"the":[11,36,43,48,51,80],"non-line-of-sight":[12],"propagation":[13],"in":[14,72,88],"indoor":[15,73],"complex":[16],"environments":[17,74],"poses":[18],"great":[19],"challenges":[20],"to":[21,41,59],"common":[22],"localization":[23],"techniques.":[24],"In":[25,47],"this":[26],"letter,":[27],"we":[28],"propose":[29],"a":[30],"signal":[31],"denoising":[32],"network":[33,82],"based":[34,67],"transformer":[37],"temporal":[39],"attention":[40],"improve":[42],"angle-of-arrival":[44,91],"estimation":[45,92],"accuracy.":[46,93],"proposed":[49,81],"network,":[50],"channel":[52],"impulse":[53],"response":[54],"is":[55],"denoised":[56],"reconstructed":[58],"mitigate":[60],"errors.":[61],"Then,":[62],"two":[63],"database":[64],"are":[65],"constructed":[66],"self-built":[69],"ultra-wideband":[70],"transceivers":[71],"for":[75],"validation.":[76],"Results":[77],"show":[78],"that":[79],"outperforms":[83],"other":[84],"machine":[85],"learning":[86],"methods":[87],"terms":[89],"of":[90]},"counts_by_year":[{"year":2025,"cited_by_count":10},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":4}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
