{"id":"https://openalex.org/W3208786897","doi":"https://doi.org/10.1109/ojcoms.2021.3122286","title":"Path Loss Prediction Model Development in a Mountainous Forest Environment","display_name":"Path Loss Prediction Model Development in a Mountainous Forest Environment","publication_year":2021,"publication_date":"2021-01-01","ids":{"openalex":"https://openalex.org/W3208786897","doi":"https://doi.org/10.1109/ojcoms.2021.3122286","mag":"3208786897"},"language":"en","primary_location":{"id":"doi:10.1109/ojcoms.2021.3122286","is_oa":true,"landing_page_url":"https://doi.org/10.1109/ojcoms.2021.3122286","pdf_url":"https://ieeexplore.ieee.org/ielx7/8782661/8901158/09586048.pdf","source":{"id":"https://openalex.org/S4210202420","display_name":"IEEE Open Journal of the Communications Society","issn_l":"2644-125X","issn":["2644-125X"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Open Journal of the Communications Society","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/8782661/8901158/09586048.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5072671230","display_name":"Bilguunmaa Myagmardulam","orcid":"https://orcid.org/0000-0003-4931-1005"},"institutions":[{"id":"https://openalex.org/I119806805","display_name":"Nagaoka University","ror":"https://ror.org/02rcadd38","country_code":"JP","type":"education","lineage":["https://openalex.org/I119806805"]},{"id":"https://openalex.org/I85922643","display_name":"Nagaoka University of Technology","ror":"https://ror.org/00ys1hz88","country_code":"JP","type":"education","lineage":["https://openalex.org/I85922643"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Bilguunmaa Myagmardulam","raw_affiliation_strings":["Nagaoka University of Technology, Niigata, 940 2188 JAPAN. (e-mail: s187014@stn.nagaokaut.ac.jp)"],"raw_orcid":"https://orcid.org/0000-0003-4931-1005","affiliations":[{"raw_affiliation_string":"Nagaoka University of Technology, Niigata, 940 2188 JAPAN. (e-mail: s187014@stn.nagaokaut.ac.jp)","institution_ids":["https://openalex.org/I119806805","https://openalex.org/I85922643"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030423478","display_name":"Tadachika Nakayama","orcid":"https://orcid.org/0000-0001-6880-8936"},"institutions":[{"id":"https://openalex.org/I119806805","display_name":"Nagaoka University","ror":"https://ror.org/02rcadd38","country_code":"JP","type":"education","lineage":["https://openalex.org/I119806805"]},{"id":"https://openalex.org/I85922643","display_name":"Nagaoka University of Technology","ror":"https://ror.org/00ys1hz88","country_code":"JP","type":"education","lineage":["https://openalex.org/I85922643"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Nakayama Tadachika","raw_affiliation_strings":["Nagaoka University of Technology, Niigata, 940 2188 JAPAN"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nagaoka University of Technology, Niigata, 940 2188 JAPAN","institution_ids":["https://openalex.org/I119806805","https://openalex.org/I85922643"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101729136","display_name":"Kazuyoshi Takahashi","orcid":"https://orcid.org/0000-0002-3288-503X"},"institutions":[{"id":"https://openalex.org/I119806805","display_name":"Nagaoka University","ror":"https://ror.org/02rcadd38","country_code":"JP","type":"education","lineage":["https://openalex.org/I119806805"]},{"id":"https://openalex.org/I85922643","display_name":"Nagaoka University of Technology","ror":"https://ror.org/00ys1hz88","country_code":"JP","type":"education","lineage":["https://openalex.org/I85922643"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kazuyoshi Takahashi","raw_affiliation_strings":["Nagaoka University of Technology, Niigata, 940 2188 JAPAN"],"raw_orcid":"https://orcid.org/0000-0002-3288-503X","affiliations":[{"raw_affiliation_string":"Nagaoka University of Technology, Niigata, 940 2188 JAPAN","institution_ids":["https://openalex.org/I119806805","https://openalex.org/I85922643"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075280521","display_name":"Ryu Miura","orcid":"https://orcid.org/0000-0002-1569-1823"},"institutions":[{"id":"https://openalex.org/I90023481","display_name":"National Institute of Information and Communications Technology","ror":"https://ror.org/016bgq349","country_code":"JP","type":"facility","lineage":["https://openalex.org/I90023481"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Ryu Miura","raw_affiliation_strings":["National Institute of Information and Communications Technology, Kanagawa, 239-0847 JAPAN"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Institute of Information and Communications Technology, Kanagawa, 239-0847 JAPAN","institution_ids":["https://openalex.org/I90023481"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029601881","display_name":"Fumie Ono","orcid":null},"institutions":[{"id":"https://openalex.org/I1285200648","display_name":"Ministry of Internal Affairs and Communications","ror":"https://ror.org/00vs1pz50","country_code":"JP","type":"government","lineage":["https://openalex.org/I1285200648","https://openalex.org/I2802531770"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Fumie Ono","raw_affiliation_strings":["Ministry of Internal Affairs and Communications, Global Strategy Bureau, Tokyo 100-8926 JAPAN"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ministry of Internal Affairs and Communications, Global Strategy Bureau, Tokyo 100-8926 JAPAN","institution_ids":["https://openalex.org/I1285200648"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055498616","display_name":"Toshinori Kagawa","orcid":null},"institutions":[{"id":"https://openalex.org/I130416959","display_name":"Central Research Institute of Electric Power Industry","ror":"https://ror.org/041jswc25","country_code":"JP","type":"nonprofit","lineage":["https://openalex.org/I130416959"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Toshinori Kagawa","raw_affiliation_strings":["Central Research Institute of Electric Power Industry, Tokyo, 201 JAPAN"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Central Research Institute of Electric Power Industry, Tokyo, 201 JAPAN","institution_ids":["https://openalex.org/I130416959"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049358810","display_name":"Lin Shan","orcid":"https://orcid.org/0000-0003-0204-005X"},"institutions":[{"id":"https://openalex.org/I90023481","display_name":"National Institute of Information and Communications Technology","ror":"https://ror.org/016bgq349","country_code":"JP","type":"facility","lineage":["https://openalex.org/I90023481"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Lin Shan","raw_affiliation_strings":["National Institute of Information and Communications Technology, Kanagawa, 239-0847 JAPAN"],"raw_orcid":"https://orcid.org/0000-0003-0204-005X","affiliations":[{"raw_affiliation_string":"National Institute of Information and Communications Technology, Kanagawa, 239-0847 JAPAN","institution_ids":["https://openalex.org/I90023481"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5021045258","display_name":"Fumihide Kojima","orcid":"https://orcid.org/0000-0002-1204-4583"},"institutions":[{"id":"https://openalex.org/I90023481","display_name":"National Institute of Information and Communications Technology","ror":"https://ror.org/016bgq349","country_code":"JP","type":"facility","lineage":["https://openalex.org/I90023481"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Fumihide Kojima","raw_affiliation_strings":["National Institute of Information and Communications Technology, Kanagawa, 239-0847 JAPAN"],"raw_orcid":"https://orcid.org/0000-0002-1204-4583","affiliations":[{"raw_affiliation_string":"National Institute of Information and Communications Technology, Kanagawa, 239-0847 JAPAN","institution_ids":["https://openalex.org/I90023481"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1750,"currency":"USD","value_usd":1750},"apc_paid":{"value":1750,"currency":"USD","value_usd":1750},"fwci":1.1242,"has_fulltext":true,"cited_by_count":26,"citation_normalized_percentile":{"value":0.761608,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":"2","issue":null,"first_page":"2494","last_page":"2501"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9998999834060669,"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":0.9998999834060669,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.991100013256073,"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/T12146","display_name":"Power Line Communications and Noise","score":0.9883999824523926,"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/path-loss","display_name":"Path loss","score":0.8141316175460815},{"id":"https://openalex.org/keywords/digital-elevation-model","display_name":"Digital elevation model","score":0.5644183158874512},{"id":"https://openalex.org/keywords/vegetation","display_name":"Vegetation (pathology)","score":0.537792444229126},{"id":"https://openalex.org/keywords/path","display_name":"Path (computing)","score":0.507881224155426},{"id":"https://openalex.org/keywords/empirical-modelling","display_name":"Empirical modelling","score":0.49967122077941895},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4686512351036072},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.4673858880996704},{"id":"https://openalex.org/keywords/transmission-loss","display_name":"Transmission loss","score":0.456947386264801},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.45248040556907654},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.34784600138664246},{"id":"https://openalex.org/keywords/simulation","display_name":"Simulation","score":0.2526736855506897},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.19907251000404358},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1848064363002777}],"concepts":[{"id":"https://openalex.org/C194273485","wikidata":"https://www.wikidata.org/wiki/Q1478845","display_name":"Path loss","level":3,"score":0.8141316175460815},{"id":"https://openalex.org/C181843262","wikidata":"https://www.wikidata.org/wiki/Q640492","display_name":"Digital elevation model","level":2,"score":0.5644183158874512},{"id":"https://openalex.org/C2776133958","wikidata":"https://www.wikidata.org/wiki/Q7918366","display_name":"Vegetation (pathology)","level":2,"score":0.537792444229126},{"id":"https://openalex.org/C2777735758","wikidata":"https://www.wikidata.org/wiki/Q817765","display_name":"Path (computing)","level":2,"score":0.507881224155426},{"id":"https://openalex.org/C133199616","wikidata":"https://www.wikidata.org/wiki/Q25386885","display_name":"Empirical modelling","level":2,"score":0.49967122077941895},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4686512351036072},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.4673858880996704},{"id":"https://openalex.org/C2779753020","wikidata":"https://www.wikidata.org/wiki/Q19929660","display_name":"Transmission loss","level":2,"score":0.456947386264801},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.45248040556907654},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.34784600138664246},{"id":"https://openalex.org/C44154836","wikidata":"https://www.wikidata.org/wiki/Q45045","display_name":"Simulation","level":1,"score":0.2526736855506897},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.19907251000404358},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1848064363002777},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/ojcoms.2021.3122286","is_oa":true,"landing_page_url":"https://doi.org/10.1109/ojcoms.2021.3122286","pdf_url":"https://ieeexplore.ieee.org/ielx7/8782661/8901158/09586048.pdf","source":{"id":"https://openalex.org/S4210202420","display_name":"IEEE Open Journal of the Communications Society","issn_l":"2644-125X","issn":["2644-125X"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Open Journal of the Communications Society","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:d7ef03bffbc248a88ceb43af00c1a07c","is_oa":true,"landing_page_url":"https://doaj.org/article/d7ef03bffbc248a88ceb43af00c1a07c","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":"IEEE Open Journal of the Communications Society, Vol 2, Pp 2494-2501 (2021)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/ojcoms.2021.3122286","is_oa":true,"landing_page_url":"https://doi.org/10.1109/ojcoms.2021.3122286","pdf_url":"https://ieeexplore.ieee.org/ielx7/8782661/8901158/09586048.pdf","source":{"id":"https://openalex.org/S4210202420","display_name":"IEEE Open Journal of the Communications Society","issn_l":"2644-125X","issn":["2644-125X"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Open Journal of the Communications Society","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/15","display_name":"Life in Land","score":0.75}],"awards":[],"funders":[{"id":"https://openalex.org/F4320310730","display_name":"Kagoshima University","ror":"https://ror.org/03ss88z23"},{"id":"https://openalex.org/F4320325628","display_name":"Ministry of Internal Affairs and Communications","ror":"https://ror.org/00vs1pz50"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3208786897.pdf","grobid_xml":"https://content.openalex.org/works/W3208786897.grobid-xml"},"referenced_works_count":18,"referenced_works":["https://openalex.org/W1652150115","https://openalex.org/W1998863422","https://openalex.org/W2045213504","https://openalex.org/W2093540532","https://openalex.org/W2097871192","https://openalex.org/W2122306094","https://openalex.org/W2127042661","https://openalex.org/W2127198040","https://openalex.org/W2128573249","https://openalex.org/W2131374659","https://openalex.org/W2145417574","https://openalex.org/W2484119988","https://openalex.org/W2804402281","https://openalex.org/W2891575675","https://openalex.org/W2910741513","https://openalex.org/W2945405950","https://openalex.org/W2950771482","https://openalex.org/W3007514902"],"related_works":["https://openalex.org/W3088968802","https://openalex.org/W2107687453","https://openalex.org/W2318000888","https://openalex.org/W2290742865","https://openalex.org/W3169988702","https://openalex.org/W2484119988","https://openalex.org/W2471827583","https://openalex.org/W1964571441","https://openalex.org/W3167658271","https://openalex.org/W3172423335"],"abstract_inverted_index":{"We":[0,53,108],"consider":[1],"a":[2,6,12,23,124,131],"method":[3],"for":[4,59,95,101,167],"developing":[5],"radio-wave":[7],"propagation":[8,151],"prediction":[9,38,163],"model":[10,28,69,92,136,142],"in":[11,152],"mountainous":[13],"forested":[14],"area.":[15],"A":[16],"new":[17],"path":[18,25,32,42,57,161],"loss":[19,26,33,162],"development":[20],"approach":[21],"uses":[22],"free-space":[24],"(FSPL)":[27],"and":[29,47,62,78,120],"an":[30],"empirical":[31,91,104,128,169],"model.":[34],"To":[35],"improve":[36],"the":[37,40,55,66,84,90,99,103,111,116,127,135,147,153,168,176],"accuracy,":[39],"transmission":[41,56,112],"distance,":[43],"free":[44,60,96,117],"space":[45,61,97,118],"area,":[46,98],"forest":[48,63,121],"area":[49,119,122],"were":[50,144],"calculated":[51],"separately.":[52],"obtained":[54],"distance":[58,113],"areas":[64],"from":[65],"digital":[67],"surface":[68,73],"(DSM),":[70],"which":[71],"represents":[72],"elevation":[74],"information,":[75],"including":[76],"vegetation":[77],"object":[79],"height.":[80],"In":[81],"this":[82],"study,":[83],"results":[85,143],"showed":[86,130],"that":[87,110],"by":[88],"combining":[89],"with":[93,123,137],"FSPL":[94],"accuracy":[100,164],"all":[102],"models":[105,129,170],"was":[106,165],"improved.":[107],"confirmed":[109],"calculation":[114],"of":[115,126,172],"combination":[125],"better":[132],"performance":[133],"than":[134],"physical":[138],"distance.":[139],"The":[140,159],"predicted":[141],"validated":[145],"using":[146],"actual":[148],"radio":[149],"wave":[150],"920":[154],"MHz":[155],"band":[156],"measurement":[157],"data.":[158,178],"overall":[160],"improved":[166],"average":[171],"8.05":[173],"dB":[174],"on":[175],"experimental":[177]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":10},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":4}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}