{"id":"https://openalex.org/W4386652257","doi":"https://doi.org/10.1088/1755-1315/993/1/012023","title":"Predictions of cloud attenuation models for uplink and downlink margins at ku, ka and v bands in tropical regions","display_name":"Predictions of cloud attenuation models for uplink and downlink margins at ku, ka and v bands in tropical regions","publication_year":2022,"publication_date":"2022-03-01","ids":{"openalex":"https://openalex.org/W4386652257","doi":"https://doi.org/10.1088/1755-1315/993/1/012023"},"language":"en","primary_location":{"id":"doi:10.1088/1755-1315/993/1/012023","doi":"https://doi.org/10.1088/1755-1315/993/1/012023","is_oa":true,"landing_page_url":"https://doi.org/10.1088/1755-1315/993/1/012023","pdf_url":"https://iopscience.iop.org/article/10.1088/1755-1315/993/1/012023/pdf","source":{"id":"https://openalex.org/S4210195883","display_name":"IOP Conference Series Earth and Environmental Science","issn_l":"1755-1315","issn":["1755-1315","1755-1307"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":["norway-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320083","host_organization_name":"IOP Publishing","host_organization_lineage":["https://openalex.org/P4310320083","https://openalex.org/P4310311669"],"host_organization_lineage_names":["IOP Publishing","Institute of Physics"],"type":"conference"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IOP Conference Series: Earth and Environmental Science","raw_type":"journal-article"},"volume":null,"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://iopscience.iop.org/article/10.1088/1755-1315/993/1/012023/pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5008491759","display_name":"O. M. Adewusi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I126541806","display_name":"Lagos State University","ror":"https://ror.org/01za8fg18","country_code":"NG","type":"education","lineage":["https://openalex.org/I126541806"]}],"countries":["NG"],"is_corresponding":true,"raw_author_name":"O.M. Adewusi","raw_affiliation_strings":["Department of Physics, Lagos state University, Ojo, Lagos state, Nigeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, Lagos state University, Ojo, Lagos state, Nigeria","institution_ids":["https://openalex.org/I126541806"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009433844","display_name":"Sayo A. Akinwumi","orcid":"https://orcid.org/0000-0001-5373-1067","observed_orcids":["https://orcid.org/0000-0001-5373-1067"]},"institutions":[{"id":"https://openalex.org/I186771145","display_name":"Covenant University","ror":"https://ror.org/00frr1n84","country_code":"NG","type":"education","lineage":["https://openalex.org/I186771145"]}],"countries":["NG"],"is_corresponding":true,"raw_author_name":"S.A. Akinwumi","raw_affiliation_strings":["Department of Physics, Covenant University, PMB 1023, Ota, Ogun State, Nigeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, Covenant University, PMB 1023, Ota, Ogun State, Nigeria","institution_ids":["https://openalex.org/I186771145"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013301635","display_name":"O.O. Ometan","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I126541806","display_name":"Lagos State University","ror":"https://ror.org/01za8fg18","country_code":"NG","type":"education","lineage":["https://openalex.org/I126541806"]}],"countries":["NG"],"is_corresponding":true,"raw_author_name":"O.O. Ometan","raw_affiliation_strings":["Department of Physics, Lagos state University, Ojo, Lagos state, Nigeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, Lagos state University, Ojo, Lagos state, Nigeria","institution_ids":["https://openalex.org/I126541806"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074171025","display_name":"Temidayo Victor Omotosho","orcid":"https://orcid.org/0000-0003-4537-5378","observed_orcids":["https://orcid.org/0000-0003-4537-5378"]},"institutions":[{"id":"https://openalex.org/I186771145","display_name":"Covenant University","ror":"https://ror.org/00frr1n84","country_code":"NG","type":"education","lineage":["https://openalex.org/I186771145"]}],"countries":["NG"],"is_corresponding":true,"raw_author_name":"T.V. Omotosho","raw_affiliation_strings":["Department of Physics, Covenant University, PMB 1023, Ota, Ogun State, Nigeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, Covenant University, PMB 1023, Ota, Ogun State, Nigeria","institution_ids":["https://openalex.org/I186771145"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110805347","display_name":"Marvel Lola Akinyemi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I186771145","display_name":"Covenant University","ror":"https://ror.org/00frr1n84","country_code":"NG","type":"education","lineage":["https://openalex.org/I186771145"]}],"countries":["NG"],"is_corresponding":true,"raw_author_name":"M.L. Akinyemi","raw_affiliation_strings":["Department of Physics, Covenant University, PMB 1023, Ota, Ogun State, Nigeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, Covenant University, PMB 1023, Ota, Ogun State, Nigeria","institution_ids":["https://openalex.org/I186771145"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5008491759","https://openalex.org/A5009433844","https://openalex.org/A5013301635","https://openalex.org/A5074171025","https://openalex.org/A5110805347"],"corresponding_institution_ids":["https://openalex.org/I126541806","https://openalex.org/I186771145"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.31574621,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"993","issue":"1","first_page":"012023","last_page":"012023"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13121","display_name":"Radio Wave Propagation Studies","score":0.9848999977111816,"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/T13121","display_name":"Radio Wave Propagation Studies","score":0.9848999977111816,"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.007000000216066837,"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/T10347","display_name":"Atmospheric aerosols and clouds","score":0.0026000000070780516,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/cloud-attenuation","display_name":"cloud attenuation","score":0.8100000023841858},{"id":"https://openalex.org/keywords/tropical-climate","display_name":"tropical climate","score":0.421999990940094},{"id":"https://openalex.org/keywords/ku-band","display_name":"Ku-band","score":0.7919999957084656},{"id":"https://openalex.org/keywords/ka-band","display_name":"Ka-band","score":1.0},{"id":"https://openalex.org/keywords/v-band","display_name":"V-band","score":0.996999979019165},{"id":"https://openalex.org/keywords/radiosonde-measurements","display_name":"radiosonde measurements","score":0.8420000076293945},{"id":"https://openalex.org/keywords/spectrum-analyzer-measurement","display_name":"spectrum analyzer measurement","score":0.8799999952316284},{"id":"https://openalex.org/keywords/millimeter-wave-propagation","display_name":"millimeter-wave propagation","score":0.7080000042915344}],"concepts":[{"id":"https://openalex.org/C11999413","wikidata":"https://www.wikidata.org/wiki/Q852817","display_name":"Radiosonde","level":2,"score":0.9506051540374756},{"id":"https://openalex.org/C184652730","wikidata":"https://www.wikidata.org/wiki/Q2357982","display_name":"Attenuation","level":2,"score":0.8249520659446716},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.6332224607467651},{"id":"https://openalex.org/C103784038","wikidata":"https://www.wikidata.org/wiki/Q386228","display_name":"Cumulative distribution function","level":3,"score":0.6063172817230225},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5604298114776611},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5583601593971252},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.5199183821678162},{"id":"https://openalex.org/C206887242","wikidata":"https://www.wikidata.org/wiki/Q830457","display_name":"Cloud cover","level":3,"score":0.4162672758102417},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.36271169781684875},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.27504318952560425},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.19424179196357727},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.16535606980323792},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.13317424058914185},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.12396067380905151},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.09149789810180664},{"id":"https://openalex.org/C197055811","wikidata":"https://www.wikidata.org/wiki/Q207522","display_name":"Probability density function","level":2,"score":0.09119617938995361},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1088/1755-1315/993/1/012023","doi":"https://doi.org/10.1088/1755-1315/993/1/012023","is_oa":true,"landing_page_url":"https://doi.org/10.1088/1755-1315/993/1/012023","pdf_url":"https://iopscience.iop.org/article/10.1088/1755-1315/993/1/012023/pdf","source":{"id":"https://openalex.org/S4210195883","display_name":"IOP Conference Series Earth and Environmental Science","issn_l":"1755-1315","issn":["1755-1315","1755-1307"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":["norway-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320083","host_organization_name":"IOP Publishing","host_organization_lineage":["https://openalex.org/P4310320083","https://openalex.org/P4310311669"],"host_organization_lineage_names":["IOP Publishing","Institute of Physics"],"type":"conference"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IOP Conference Series: Earth and Environmental Science","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1088/1755-1315/993/1/012023","doi":"https://doi.org/10.1088/1755-1315/993/1/012023","is_oa":true,"landing_page_url":"https://doi.org/10.1088/1755-1315/993/1/012023","pdf_url":"https://iopscience.iop.org/article/10.1088/1755-1315/993/1/012023/pdf","source":{"id":"https://openalex.org/S4210195883","display_name":"IOP Conference Series Earth and Environmental Science","issn_l":"1755-1315","issn":["1755-1315","1755-1307"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":["norway-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320083","host_organization_name":"IOP Publishing","host_organization_lineage":["https://openalex.org/P4310320083","https://openalex.org/P4310311669"],"host_organization_lineage_names":["IOP Publishing","Institute of Physics"],"type":"conference"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IOP Conference Series: Earth and Environmental Science","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.821399986743927,"display_name":"Climate action","id":"https://metadata.un.org/sdg/13"}],"sustainable_development_goals_aurora":[{"score":0.8299999833106995,"display_name":"Climate action","id":"https://metadata.un.org/sdg/13"}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320323779","display_name":"Covenant University","ror":"https://ror.org/00frr1n84"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4386652257.pdf","grobid_xml":"https://content.openalex.org/works/W4386652257.grobid-xml"},"referenced_works_count":7,"referenced_works":["https://openalex.org/W1988205307","https://openalex.org/W2057518223","https://openalex.org/W2148956997","https://openalex.org/W2595578003","https://openalex.org/W2770543168","https://openalex.org/W2901511133","https://openalex.org/W2980068226"],"related_works":["https://openalex.org/W2043100303","https://openalex.org/W4200011432","https://openalex.org/W2898002340","https://openalex.org/W1661883744","https://openalex.org/W313882189","https://openalex.org/W1980612756","https://openalex.org/W2920062132","https://openalex.org/W333611740","https://openalex.org/W2764715250","https://openalex.org/W2170801725"],"abstract_inverted_index":{"Abstract":[0],"To":[1],"achieve":[2],"effective":[3],"wireless":[4],"transmission":[5],"margin":[6],"and":[7,48,81,99,163,172,207,238,266],"larger":[8],"bandwidth":[9],"at":[10,223],"lower":[11],"cost,":[12],"hydrometeor":[13],"models":[14,31,296],"roles":[15],"are":[16,166],"of":[17,24,37,122,256,268,284,287,293],"primary":[18,70],"importance.":[19],"The":[20,62,95,127,159,233,279],"almost":[21],"perpetual":[22],"existence":[23],"clouds":[25],"in":[26,56],"tropical":[27,177],"climates":[28],"makes":[29],"cloud":[30,71,74,102,114,125,136,143,160,178,187,220,247,295],"all":[32,164],"the":[33,79,88,93,112,134,142,147,150,175,186,197,245,254,257,262,269,276,285,294],"more":[34],"fundamental.":[35],"Details":[36],"four":[38],"years":[39,45,52],"station":[40,80,101,113,156,192,263],"spectrum":[41,106,202,270],"analyzer":[42,107,203,271],"data,":[43,204],"five":[44],"climatological":[46,205],"data":[47,54,64,104,162,206,210,265,272],"fifty":[49],"\u2013":[50],"eight":[51],"radiosonde":[53,63,157,209,264],"used":[55,66,85,109,183,212],"this":[57],"research":[58],"were":[59,211,236],"earlier":[60,199],"published.":[61,200],"was":[65,83,108,130],"to":[67,86,110,132,184,213,230,243],"obtain":[68],"existing":[69,124],"models\u2019":[72],"predicted":[73,234,288],"attenuation":[75,103,115,137,144,179,188,216,221,248,289],"cumulative":[76,116,250,258],"distributions":[77,259],"for":[78,92,118,146,169,190,218],"it":[82],"also":[84],"deduce":[87,111],"new":[89,135,151,176,246],"algorithm\u2019s":[90,138],"parameters":[91],"station.":[94,148],"every":[96],"minute":[97],"measured":[98],"logged":[100],"using":[105,196],"distribution":[117,251],"comparison":[119],"with":[120,299],"that":[121,267,282],"other":[123],"models.":[126],"simulation":[128],"program":[129],"run":[131],"generate":[133],"parameters,":[139],"which":[140],"defines":[141],"model":[145,152,189,222],"Thus":[149,174],"only":[153,168],"fundamentally":[154],"requires":[155],"data.":[158],"cover":[161],"others":[165],"needed":[167],"graphical":[170,277],"comparisons":[171],"corroboration.":[173],"algorithm":[180],"can":[181],"be":[182],"develop":[185],"any":[191],"climatic":[193],"zone":[194],"by":[195,275,291],"methodology":[198],"Collected":[201],"acquired":[208],"compute":[214],"projected":[215],"values":[217,235,290],"each":[219,292],"propagation":[224],"signal":[225],"frequencies":[226],"between":[227],"12":[228],"GHz":[229],"50":[231],"GHz.":[232],"extracted":[237],"analysed":[239],"statistically.":[240],"With":[241],"respect":[242],"frequency,":[244],"model\u2019s":[249],"proportionally":[252],"averaged":[253],"characteristics":[255],"deduced":[260],"from":[261],"as":[273],"shown":[274],"figures.":[278],"results":[280],"show":[281],"convergence":[283],"range":[286],"increases":[297],"directly":[298],"frequency.":[300]},"counts_by_year":[],"updated_date":"2026-10-13T10:08:12.033832","created_date":"2025-10-10T00:00:00"}
