{"id":"https://openalex.org/W4389880024","doi":"https://doi.org/10.1109/lcomm.2023.3344475","title":"SNR Estimation for 5G Satellite-to-Ground Communication in Ultra-Low SNR Environment Based on Channel Frequency Response Reconstruction","display_name":"SNR Estimation for 5G Satellite-to-Ground Communication in Ultra-Low SNR Environment Based on Channel Frequency Response Reconstruction","publication_year":2023,"publication_date":"2023-12-18","ids":{"openalex":"https://openalex.org/W4389880024","doi":"https://doi.org/10.1109/lcomm.2023.3344475"},"language":"en","primary_location":{"id":"doi:10.1109/lcomm.2023.3344475","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2023.3344475","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/A5110987433","display_name":"Yuanfan Zhao","orcid":null},"institutions":[{"id":"https://openalex.org/I108688024","display_name":"Qingdao University","ror":"https://ror.org/021cj6z65","country_code":"CN","type":"education","lineage":["https://openalex.org/I108688024"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuanfan Zhao","raw_affiliation_strings":["College of Electronic Information, Qingdao University, Qingdao, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electronic Information, Qingdao University, Qingdao, China","institution_ids":["https://openalex.org/I108688024"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101541728","display_name":"Cheng Ju","orcid":"https://orcid.org/0000-0002-2282-6917"},"institutions":[{"id":"https://openalex.org/I108688024","display_name":"Qingdao University","ror":"https://ror.org/021cj6z65","country_code":"CN","type":"education","lineage":["https://openalex.org/I108688024"]},{"id":"https://openalex.org/I4210130112","display_name":"China Academy of Information and Communications Technology","ror":"https://ror.org/038dte259","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210130112","https://openalex.org/I890469752"]},{"id":"https://openalex.org/I4210164386","display_name":"Hebei Science and Technology Department","ror":"https://ror.org/05k812a28","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210164386"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Cheng Ju","raw_affiliation_strings":["College of Electronic Information, Qingdao University, Qingdao, China","Academy for Network and Communications of CETC, Shijiazhuang, China","Science and Technology on Communication Networks Laboratory, Shijiazhuang, China"],"raw_orcid":"https://orcid.org/0000-0002-2282-6917","affiliations":[{"raw_affiliation_string":"College of Electronic Information, Qingdao University, Qingdao, China","institution_ids":["https://openalex.org/I108688024"]},{"raw_affiliation_string":"Academy for Network and Communications of CETC, Shijiazhuang, China","institution_ids":["https://openalex.org/I4210130112"]},{"raw_affiliation_string":"Science and Technology on Communication Networks Laboratory, Shijiazhuang, China","institution_ids":["https://openalex.org/I4210164386"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100621549","display_name":"Dongdong Wang","orcid":"https://orcid.org/0000-0002-0363-1292"},"institutions":[{"id":"https://openalex.org/I4210130112","display_name":"China Academy of Information and Communications Technology","ror":"https://ror.org/038dte259","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210130112","https://openalex.org/I890469752"]},{"id":"https://openalex.org/I4210164386","display_name":"Hebei Science and Technology Department","ror":"https://ror.org/05k812a28","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210164386"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dongdong Wang","raw_affiliation_strings":["Academy for Network and Communications of CETC, Shijiazhuang, China","Science and Technology on Communication Networks Laboratory, Shijiazhuang, China"],"raw_orcid":"https://orcid.org/0000-0002-0363-1292","affiliations":[{"raw_affiliation_string":"Academy for Network and Communications of CETC, Shijiazhuang, China","institution_ids":["https://openalex.org/I4210130112"]},{"raw_affiliation_string":"Science and Technology on Communication Networks Laboratory, Shijiazhuang, China","institution_ids":["https://openalex.org/I4210164386"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100389779","display_name":"Na Liu","orcid":"https://orcid.org/0000-0002-6689-7485"},"institutions":[{"id":"https://openalex.org/I108688024","display_name":"Qingdao University","ror":"https://ror.org/021cj6z65","country_code":"CN","type":"education","lineage":["https://openalex.org/I108688024"]},{"id":"https://openalex.org/I4210130112","display_name":"China Academy of Information and Communications Technology","ror":"https://ror.org/038dte259","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210130112","https://openalex.org/I890469752"]},{"id":"https://openalex.org/I4210164386","display_name":"Hebei Science and Technology Department","ror":"https://ror.org/05k812a28","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210164386"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Na Liu","raw_affiliation_strings":["College of Electronic Information, Qingdao University, Qingdao, China","Science and Technology on Communication Networks Laboratory, Shijiazhuang, China","Academy for Network and Communications of CETC, Shijiazhuang, China"],"raw_orcid":"https://orcid.org/0000-0002-6689-7485","affiliations":[{"raw_affiliation_string":"College of Electronic Information, Qingdao University, Qingdao, China","institution_ids":["https://openalex.org/I108688024"]},{"raw_affiliation_string":"Science and Technology on Communication Networks Laboratory, Shijiazhuang, China","institution_ids":["https://openalex.org/I4210164386"]},{"raw_affiliation_string":"Academy for Network and Communications of CETC, Shijiazhuang, China","institution_ids":["https://openalex.org/I4210130112"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100506977","display_name":"Luyang Guan","orcid":null},"institutions":[{"id":"https://openalex.org/I108688024","display_name":"Qingdao University","ror":"https://ror.org/021cj6z65","country_code":"CN","type":"education","lineage":["https://openalex.org/I108688024"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Luyang Guan","raw_affiliation_strings":["College of Electronic Information, Qingdao University, Qingdao, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electronic Information, Qingdao University, Qingdao, China","institution_ids":["https://openalex.org/I108688024"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5026310478","display_name":"Peng Xie","orcid":"https://orcid.org/0009-0008-6445-3929"},"institutions":[{"id":"https://openalex.org/I108688024","display_name":"Qingdao University","ror":"https://ror.org/021cj6z65","country_code":"CN","type":"education","lineage":["https://openalex.org/I108688024"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Peng Xie","raw_affiliation_strings":["College of Electronic Information, Qingdao University, Qingdao, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electronic Information, Qingdao University, Qingdao, China","institution_ids":["https://openalex.org/I108688024"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":9.7328,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.9730267,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":99},"biblio":{"volume":"28","issue":"2","first_page":"357","last_page":"361"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":0.9976000189781189,"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"}},"topics":[{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":0.9976000189781189,"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/T13905","display_name":"Telecommunications and Broadcasting Technologies","score":0.9957000017166138,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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/T12450","display_name":"Radio Astronomy Observations and Technology","score":0.9657999873161316,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/communications-satellite","display_name":"Communications satellite","score":0.634292483329773},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.6144434809684753},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.611562967300415},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5895176529884338},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.566305935382843},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.507885754108429},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.398000568151474},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3940531611442566},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2055853307247162},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.149814635515213},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.11491182446479797}],"concepts":[{"id":"https://openalex.org/C121308736","wikidata":"https://www.wikidata.org/wiki/Q149918","display_name":"Communications satellite","level":3,"score":0.634292483329773},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.6144434809684753},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.611562967300415},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5895176529884338},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.566305935382843},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.507885754108429},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.398000568151474},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3940531611442566},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2055853307247162},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.149814635515213},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.11491182446479797},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lcomm.2023.3344475","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2023.3344475","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":[{"score":0.6700000166893005,"display_name":"Climate action","id":"https://metadata.un.org/sdg/13"}],"awards":[{"id":"https://openalex.org/G149447482","display_name":null,"funder_award_id":"61701271","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6644390516","display_name":null,"funder_award_id":"ZR2020QF004","funder_id":"https://openalex.org/F4320324174","funder_display_name":"Natural Science Foundation of Shandong Province"},{"id":"https://openalex.org/G7443556789","display_name":null,"funder_award_id":"ZR2022MF281","funder_id":"https://openalex.org/F4320324174","funder_display_name":"Natural Science Foundation of Shandong Province"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320324174","display_name":"Natural Science Foundation of Shandong Province","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W2118848988","https://openalex.org/W2124969302","https://openalex.org/W2132798291","https://openalex.org/W2138856832","https://openalex.org/W2569659590","https://openalex.org/W2928416552","https://openalex.org/W3006161673","https://openalex.org/W3126365018","https://openalex.org/W3186995013","https://openalex.org/W4285066305","https://openalex.org/W4285091552","https://openalex.org/W4285310810","https://openalex.org/W4308875248","https://openalex.org/W4315628407","https://openalex.org/W4324257382","https://openalex.org/W4377244739"],"related_works":["https://openalex.org/W2028190576","https://openalex.org/W1836774208","https://openalex.org/W3034760060","https://openalex.org/W4206958678","https://openalex.org/W2373343648","https://openalex.org/W64102529","https://openalex.org/W3215802059","https://openalex.org/W177220620","https://openalex.org/W2350659615","https://openalex.org/W4241763859"],"abstract_inverted_index":{"Accurate":[0],"estimation":[1,40],"of":[2,61,86,103,126,135,154],"transmission":[3],"parameters":[4],"is":[5,20,42,55,79,97],"indispensable":[6],"in":[7,16,107],"5G":[8],"satellite-to-ground":[9,109],"communication":[10,110],"systems.":[11],"However,":[12],"the":[13,24,30,46,59,67,76,83,89,101,104,116,120,131,139,159],"tricky":[14],"problem":[15],"multipath":[17],"fading":[18],"channels":[19],"to":[21,99,158],"accurately":[22],"estimate":[23],"average":[25],"signal-to-noise":[26],"ratio":[27],"(SNR)":[28],"within":[29],"operating":[31],"frequency":[32,48],"band.":[33],"In":[34,92],"this":[35],"work,":[36],"a":[37,94,151],"novel":[38],"SNR":[39,133],"method":[41],"proposed":[43,105,117],"based":[44,57,81],"on":[45,58,82],"channel":[47],"response":[49],"(CFR)":[50],"reconstruction.":[51],"The":[52,112],"noise":[53,90],"variance":[54,60],"obtained":[56],"CFR":[62,87],"difference":[63,85],"before":[64],"and":[65,88,164],"after":[66],"least":[68],"squares":[69],"discrete":[70],"Fourier":[71],"transform":[72],"(LS-DFT)":[73],"algorithm,":[74],"while":[75],"signal":[77],"power":[78,84],"calculated":[80],"variance.":[91],"addition,":[93],"numerical":[95],"simulation":[96],"performed":[98],"evaluate":[100],"effectiveness":[102],"algorithm":[106,118],"real":[108],"scenarios.":[111],"analysis":[113],"reveals":[114],"that":[115],"achieves":[119],"normalized":[121],"mean":[122],"square":[123],"errors":[124],"(MSE)":[125],"\u221213.32":[127],"dB":[128,137,156],"observed":[129],"under":[130],"ultra-low":[132],"condition":[134],"\u221215":[136],"for":[138],"non-terrestrial":[140],"network":[141],"(NTN)":[142],"tapped":[143],"delay":[144],"line":[145],"(TDL-B)":[146],"channels.":[147],"These":[148],"results":[149],"indicate":[150],"significant":[152],"enhancement":[153],"4":[155],"compared":[157],"maximum":[160],"likelihood":[161],"(ML),":[162],"Boumard\u2019s":[163],"Zhang\u2019s":[165],"methods.":[166]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":8},{"year":2024,"cited_by_count":4}],"updated_date":"2026-07-15T18:14:33.161393","created_date":"2025-10-10T00:00:00"}
