{"id":"https://openalex.org/W2008706787","doi":"https://doi.org/10.11591/ijece.v3i3.2519","title":"Radio Frequency Propagation Mechanisms and Empirical Models for Hilly Areas","display_name":"Radio Frequency Propagation Mechanisms and Empirical Models for Hilly Areas","publication_year":2013,"publication_date":"2013-06-01","ids":{"openalex":"https://openalex.org/W2008706787","doi":"https://doi.org/10.11591/ijece.v3i3.2519","mag":"2008706787"},"language":"en","primary_location":{"id":"doi:10.11591/ijece.v3i3.2519","doi":"https://doi.org/10.11591/ijece.v3i3.2519","is_oa":true,"landing_page_url":"https://doi.org/10.11591/ijece.v3i3.2519","pdf_url":null,"source":{"id":"https://openalex.org/S2764532672","display_name":"International Journal of Electrical and Computer Engineering (IJECE)","issn_l":"2088-8708","issn":["2088-8708"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310315009","host_organization_name":"Institute of Advanced Engineering and Science (IAES)","host_organization_lineage":["https://openalex.org/P4310315009"],"host_organization_lineage_names":["Institute of Advanced Engineering and Science (IAES)"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Electrical and Computer Engineering (IJECE)","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://doi.org/10.11591/ijece.v3i3.2519","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5016581064","display_name":"John O. Famoriji","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I180664298","display_name":"Federal University of Technology","ror":"https://ror.org/01pvx8v81","country_code":"NG","type":"education","lineage":["https://openalex.org/I180664298"]}],"countries":["NG"],"is_corresponding":false,"raw_author_name":"Famoriji John O","raw_affiliation_strings":["Federal University of Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Federal University of Technology","institution_ids":["https://openalex.org/I180664298"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5008870919","display_name":"Yekeen Olajide Olasoji","orcid":"https://orcid.org/0000-0002-1978-1930","observed_orcids":["https://orcid.org/0000-0002-1978-1930"]},"institutions":[{"id":"https://openalex.org/I180664298","display_name":"Federal University of Technology","ror":"https://ror.org/01pvx8v81","country_code":"NG","type":"education","lineage":["https://openalex.org/I180664298"]}],"countries":["NG"],"is_corresponding":false,"raw_author_name":"Olasoji Yekeen O","raw_affiliation_strings":["Federal University of Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Federal University of Technology","institution_ids":["https://openalex.org/I180664298"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I180664298"],"apc_list":null,"apc_paid":null,"fwci":1.5998,"has_fulltext":false,"cited_by_count":25,"citation_normalized_percentile":{"value":0.84168002,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"3","issue":"3","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9922000169754028,"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":0.9922000169754028,"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/T13121","display_name":"Radio Wave Propagation Studies","score":0.004900000058114529,"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/T10575","display_name":"Wireless Communication Networks Research","score":0.0003000000142492354,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/radio-wave-propagation","display_name":"radio wave propagation","score":0.9480000138282776},{"id":"https://openalex.org/keywords/hilly-areas","display_name":"hilly terrain","score":0.9629999995231628},{"id":"https://openalex.org/keywords/path-loss-prediction","display_name":"path loss prediction","score":0.7940000295639038},{"id":"https://openalex.org/keywords/empirical-propagation-models","display_name":"empirical propagation models","score":0.9620000123977661},{"id":"https://openalex.org/keywords/egli-model","display_name":"Egli model","score":0.9810000061988831},{"id":"https://openalex.org/keywords/uhf","display_name":"UHF band","score":0.8460000157356262},{"id":"https://openalex.org/keywords/signal-strength-prediction","display_name":"signal strength prediction","score":0.777999997138977},{"id":"https://openalex.org/keywords/wireless-network-performance","display_name":"wireless network performance","score":0.6549999713897705}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5304975509643555},{"id":"https://openalex.org/C202311505","wikidata":"https://www.wikidata.org/wiki/Q1474701","display_name":"Radio propagation","level":2,"score":0.47118404507637024},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.3990781903266907},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.32713550329208374},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.25703370571136475},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.21724390983581543}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.11591/ijece.v3i3.2519","doi":"https://doi.org/10.11591/ijece.v3i3.2519","is_oa":true,"landing_page_url":"https://doi.org/10.11591/ijece.v3i3.2519","pdf_url":null,"source":{"id":"https://openalex.org/S2764532672","display_name":"International Journal of Electrical and Computer Engineering (IJECE)","issn_l":"2088-8708","issn":["2088-8708"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310315009","host_organization_name":"Institute of Advanced Engineering and Science (IAES)","host_organization_lineage":["https://openalex.org/P4310315009"],"host_organization_lineage_names":["Institute of Advanced Engineering and Science (IAES)"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Electrical and Computer Engineering (IJECE)","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.11591/ijece.v3i3.2519","doi":"https://doi.org/10.11591/ijece.v3i3.2519","is_oa":true,"landing_page_url":"https://doi.org/10.11591/ijece.v3i3.2519","pdf_url":null,"source":{"id":"https://openalex.org/S2764532672","display_name":"International Journal of Electrical and Computer Engineering (IJECE)","issn_l":"2088-8708","issn":["2088-8708"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310315009","host_organization_name":"Institute of Advanced Engineering and Science (IAES)","host_organization_lineage":["https://openalex.org/P4310315009"],"host_organization_lineage_names":["Institute of Advanced Engineering and Science (IAES)"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Electrical and Computer Engineering (IJECE)","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W2054405892","https://openalex.org/W2110784079","https://openalex.org/W2145417574","https://openalex.org/W2153240708","https://openalex.org/W3129088245"],"related_works":["https://openalex.org/W2994000333","https://openalex.org/W1601934154","https://openalex.org/W2033525860","https://openalex.org/W2038463189","https://openalex.org/W4223484914","https://openalex.org/W2104962053","https://openalex.org/W7217074469","https://openalex.org/W2183578930","https://openalex.org/W3144372491","https://openalex.org/W2520741510"],"abstract_inverted_index":{"Achieving":[0],"better":[1],"network":[2],"performance":[3],"is":[4],"a":[5,14],"paramount":[6],"concern":[7],"in":[8,27,70,74],"wireless":[9],"networks.":[10],"This":[11],"paper":[12],"provides":[13],"survey":[15],"of":[16,24,63,67,77],"the":[17,22,54,86,91],"basic":[18],"mechanisms":[19],"which":[20,37],"influence":[21],"propagation":[23,52,92,98],"electromagnetic":[25],"waves":[26],"hilly":[28],"areas.":[29],"Three":[30],"empirical":[31],"models:":[32],"COST231-Hata,":[33],"Okumura-Hata":[34],"and":[35,83,102],"Egli":[36],"are":[38,47,58,81],"suitable":[39],"for":[40,44,60,110],"path":[41],"loss":[42],"prediction":[43],"such":[45],"area":[46],"presented.":[48],"By":[49],"using":[50,90],"these":[51],"models":[53],"broadcast":[55],"signal":[56,68],"strength":[57,69],"predicted":[59,88],"this":[61],"type":[62],"environment.":[64],"Measurement":[65],"results":[66,87],"UHF":[71],"band":[72],"obtained":[73],"Idanre":[75],"Town":[76],"Ondo":[78],"State":[79],"Nigeria":[80],"presented":[82],"compared":[84],"with":[85,104],"by":[89],"models.":[93],"A":[94],"modified":[95],"COST231-Hata":[96],"radiowave":[97],"model":[99,113],"was":[100],"developed":[101,114],"implemented":[103],"Matlab":[105],"GUI":[106],"(Graphical":[107],"User":[108],"Interface)":[109],"simulation.":[111],"The":[112],"has":[115],"93.8%":[116],"accuracy.":[117],"DOI:":[119],"http://dx.doi.org/10.11591/ijece.v3i3.2519":[120]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":2},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":5},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":4}],"updated_date":"2026-10-12T09:40:04.860316","created_date":"2016-06-24T00:00:00"}
