{"id":"https://openalex.org/W4280499449","doi":"https://doi.org/10.3390/sym14051038","title":"An Improved SVM-Based Air-to-Ground Communication Scenario Identification Method Using Channel Characteristics","display_name":"An Improved SVM-Based Air-to-Ground Communication Scenario Identification Method Using Channel Characteristics","publication_year":2022,"publication_date":"2022-05-19","ids":{"openalex":"https://openalex.org/W4280499449","doi":"https://doi.org/10.3390/sym14051038"},"language":"en","primary_location":{"id":"doi:10.3390/sym14051038","is_oa":true,"landing_page_url":"https://doi.org/10.3390/sym14051038","pdf_url":"https://www.mdpi.com/2073-8994/14/5/1038/pdf?version=1652943522","source":{"id":"https://openalex.org/S190787756","display_name":"Symmetry","issn_l":"2073-8994","issn":["2073-8994"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Symmetry","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2073-8994/14/5/1038/pdf?version=1652943522","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101176773","display_name":"Guyue Zhu","orcid":null},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guyue Zhu","raw_affiliation_strings":["College of Electronic and Optical Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210023, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electronic and Optical Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210023, China","institution_ids":["https://openalex.org/I41198531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101792072","display_name":"Yuanjian Liu","orcid":"https://orcid.org/0000-0002-1090-5749"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yuanjian Liu","raw_affiliation_strings":["College of Electronic and Optical Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210023, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electronic and Optical Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210023, China","institution_ids":["https://openalex.org/I41198531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055895651","display_name":"Kai Mao","orcid":"https://orcid.org/0000-0001-6039-0520"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kai Mao","raw_affiliation_strings":["The Key Laboratory of Dynamic Cognitive System of Electromagnetic Spectrum Space, College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Key Laboratory of Dynamic Cognitive System of Electromagnetic Spectrum Space, College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100458621","display_name":"Jingyi Zhang","orcid":"https://orcid.org/0000-0002-3882-6997"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jingyi Zhang","raw_affiliation_strings":["College of Electronic and Optical Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210023, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electronic and Optical Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210023, China","institution_ids":["https://openalex.org/I41198531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045149148","display_name":"Boyu Hua","orcid":"https://orcid.org/0000-0002-1796-0476"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Boyu Hua","raw_affiliation_strings":["The Key Laboratory of Dynamic Cognitive System of Electromagnetic Spectrum Space, College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Key Laboratory of Dynamic Cognitive System of Electromagnetic Spectrum Space, College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5049079463","display_name":"Shuangde Li","orcid":"https://orcid.org/0000-0002-4379-0677"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shuangde Li","raw_affiliation_strings":["College of Electronic and Optical Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210023, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electronic and Optical Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210023, China","institution_ids":["https://openalex.org/I41198531"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5101792072"],"corresponding_institution_ids":["https://openalex.org/I41198531"],"apc_list":{"value":2000,"currency":"CHF","value_usd":2165},"apc_paid":{"value":2000,"currency":"CHF","value_usd":2165},"fwci":0.265,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.49837986,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":95},"biblio":{"volume":"14","issue":"5","first_page":"1038","last_page":"1038"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10936","display_name":"Millimeter-Wave Propagation and Modeling","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"}},"topics":[{"id":"https://openalex.org/T10936","display_name":"Millimeter-Wave Propagation and Modeling","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/T11133","display_name":"UAV Applications and Optimization","score":0.9993000030517578,"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/T10331","display_name":"Video Surveillance and Tracking Methods","score":0.9939000010490417,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/identification","display_name":"Identification (biology)","score":0.7612011432647705},{"id":"https://openalex.org/keywords/support-vector-machine","display_name":"Support vector machine","score":0.7021480798721313},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6830245852470398},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5717262029647827},{"id":"https://openalex.org/keywords/tracing","display_name":"Tracing","score":0.5466152429580688},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.4888378977775574},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3596195578575134},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3331732749938965},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.14659348130226135}],"concepts":[{"id":"https://openalex.org/C116834253","wikidata":"https://www.wikidata.org/wiki/Q2039217","display_name":"Identification (biology)","level":2,"score":0.7612011432647705},{"id":"https://openalex.org/C12267149","wikidata":"https://www.wikidata.org/wiki/Q282453","display_name":"Support vector machine","level":2,"score":0.7021480798721313},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6830245852470398},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5717262029647827},{"id":"https://openalex.org/C138673069","wikidata":"https://www.wikidata.org/wiki/Q322229","display_name":"Tracing","level":2,"score":0.5466152429580688},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.4888378977775574},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3596195578575134},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3331732749938965},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.14659348130226135},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/sym14051038","is_oa":true,"landing_page_url":"https://doi.org/10.3390/sym14051038","pdf_url":"https://www.mdpi.com/2073-8994/14/5/1038/pdf?version=1652943522","source":{"id":"https://openalex.org/S190787756","display_name":"Symmetry","issn_l":"2073-8994","issn":["2073-8994"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Symmetry","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:20af358b7bd541fdbd4c5fc6cb627380","is_oa":true,"landing_page_url":"https://doaj.org/article/20af358b7bd541fdbd4c5fc6cb627380","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","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":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Symmetry, Vol 14, Iss 5, p 1038 (2022)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2073-8994/14/5/1038/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/sym14051038","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Symmetry","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/sym14051038","is_oa":true,"landing_page_url":"https://doi.org/10.3390/sym14051038","pdf_url":"https://www.mdpi.com/2073-8994/14/5/1038/pdf?version=1652943522","source":{"id":"https://openalex.org/S190787756","display_name":"Symmetry","issn_l":"2073-8994","issn":["2073-8994"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Symmetry","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Life below water","score":0.6399999856948853,"id":"https://metadata.un.org/sdg/14"}],"awards":[{"id":"https://openalex.org/G8202974707","display_name":null,"funder_award_id":"No. 61871232","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":true,"grobid_xml":false},"content_urls":{"pdf":"https://content.openalex.org/works/W4280499449.pdf"},"referenced_works_count":34,"referenced_works":["https://openalex.org/W1992889383","https://openalex.org/W1994686449","https://openalex.org/W2046140035","https://openalex.org/W2268751503","https://openalex.org/W2475307529","https://openalex.org/W2517304379","https://openalex.org/W2580241428","https://openalex.org/W2603919203","https://openalex.org/W2608461474","https://openalex.org/W2725171488","https://openalex.org/W2890445686","https://openalex.org/W2898088345","https://openalex.org/W2945139240","https://openalex.org/W2955903721","https://openalex.org/W2958201668","https://openalex.org/W2959094276","https://openalex.org/W2963638537","https://openalex.org/W2967339065","https://openalex.org/W2982422741","https://openalex.org/W3000414773","https://openalex.org/W3001909141","https://openalex.org/W3011830499","https://openalex.org/W3016523430","https://openalex.org/W3033789406","https://openalex.org/W3037865499","https://openalex.org/W3044792685","https://openalex.org/W3078929607","https://openalex.org/W3093929720","https://openalex.org/W4200445662","https://openalex.org/W4212889502","https://openalex.org/W4212968948","https://openalex.org/W4230390868","https://openalex.org/W4239510810","https://openalex.org/W6772795278"],"related_works":["https://openalex.org/W2888673113","https://openalex.org/W2056065966","https://openalex.org/W2352602608","https://openalex.org/W2090763504","https://openalex.org/W2062641654","https://openalex.org/W2212288070","https://openalex.org/W3149975758","https://openalex.org/W1517786189","https://openalex.org/W148178222","https://openalex.org/W164695339"],"abstract_inverted_index":{"Scenario":[0],"identification":[1,28,50,58,65,122,135,143],"plays":[2],"an":[3,55],"important":[4],"role":[5],"in":[6,170],"assisting":[7],"unmanned":[8],"aerial":[9],"vehicle":[10],"(UAV)":[11],"cognitive":[12],"communications.":[13],"Based":[14],"on":[15],"the":[16,33,36,39,49,53,83,121,134,142,153,163],"scenario-dependent":[17],"channel":[18,86],"characteristics,":[19,87],"a":[20,45,113,126],"support":[21],"vector":[22],"machine":[23],"(SVM)-based":[24],"air-to-ground":[25],"(A2G)":[26],"scenario":[27,57],"model":[29,66,70,123],"is":[30,41,60,79,112,124,130,148],"proposed.":[31],"In":[32],"proposed":[34],"model,":[35],"height":[37,156],"of":[38,85,145],"UAV":[40],"also":[42],"used":[43,80,131],"as":[44],"feature":[46],"to":[47,81,132],"improve":[48],"accuracy.":[51],"On":[52],"basis,":[54],"improved":[56,146],"method":[59,78,147,154],"developed":[61],"including":[62],"dataset":[63],"acquisition,":[64],"training,":[67],"and":[68,74,95,108,165,167,174],"height-integrated":[69,127],"feedback.":[71],"The":[72,137],"shooting":[73],"bouncing":[75],"ray/image":[76],"(SBR/IM)":[77],"obtain":[82],"datasets":[84],"i.e.,":[88],"root-mean-square":[89],"delay":[90],"spread":[91,97],"(RMS-DS),":[92],"K":[93],"factor,":[94],"angle":[96],"(AS)":[98],"under":[99,162],"five":[100],"typical":[101],"scenarios:":[102],"over-sea,":[103],"suburban,":[104],"urban,":[105,171,173],"dense":[106,172],"urban":[107],"high-rise":[109,175],"urban.":[110,176],"SBR/IM":[111],"symmetry-based":[114],"ray":[115],"tracing":[116],"(RT)":[117],"simulation":[118,138],"method.":[119],"After":[120],"trained,":[125],"feedback":[128],"scheme":[129],"increase":[133],"performance.":[136],"results":[139],"show":[140],"that":[141],"accuracy":[144],"about":[149],"14%":[150],"higher":[151],"than":[152],"without":[155],"feature,":[157],"which":[158],"reaches":[159],"nearly":[160],"100%":[161],"over-sea":[164],"suburban":[166],"over":[168],"80%":[169]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1}],"updated_date":"2026-05-22T06:13:13.366637","created_date":"2025-10-10T00:00:00"}
