{"id":"https://openalex.org/W4285231445","doi":"https://doi.org/10.1587/transcom.2022ebp3010","title":"920MHz Path Loss Prediction Formula Based on FDTD Method for IoT Wireless System close to Ceiling with Concrete Beam","display_name":"920MHz Path Loss Prediction Formula Based on FDTD Method for IoT Wireless System close to Ceiling with Concrete Beam","publication_year":2022,"publication_date":"2022-06-21","ids":{"openalex":"https://openalex.org/W4285231445","doi":"https://doi.org/10.1587/transcom.2022ebp3010"},"language":"en","primary_location":{"id":"doi:10.1587/transcom.2022ebp3010","is_oa":false,"landing_page_url":"https://doi.org/10.1587/transcom.2022ebp3010","pdf_url":null,"source":{"id":"https://openalex.org/S2493627025","display_name":"IEICE Transactions on Communications","issn_l":"0916-8516","issn":["0916-8516","1745-1345"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Transactions on Communications","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/A5047468026","display_name":"Naotake Yamamoto","orcid":"https://orcid.org/0009-0004-8753-540X"},"institutions":[{"id":"https://openalex.org/I114531698","display_name":"Tokyo Institute of Technology","ror":"https://ror.org/0112mx960","country_code":"JP","type":"education","lineage":["https://openalex.org/I114531698"]},{"id":"https://openalex.org/I1283155146","display_name":"Panasonic (Japan)","ror":"https://ror.org/011tm7n37","country_code":"JP","type":"company","lineage":["https://openalex.org/I1283155146"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Naotake YAMAMOTO","raw_affiliation_strings":["Panasonic Corporation","Tokyo Institute of Technology"],"affiliations":[{"raw_affiliation_string":"Panasonic Corporation","institution_ids":["https://openalex.org/I1283155146"]},{"raw_affiliation_string":"Tokyo Institute of Technology","institution_ids":["https://openalex.org/I114531698"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076037895","display_name":"Taichi Sasaki","orcid":null},"institutions":[{"id":"https://openalex.org/I1283155146","display_name":"Panasonic (Japan)","ror":"https://ror.org/011tm7n37","country_code":"JP","type":"company","lineage":["https://openalex.org/I1283155146"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Taichi SASAKI","raw_affiliation_strings":["Panasonic Corporation"],"affiliations":[{"raw_affiliation_string":"Panasonic Corporation","institution_ids":["https://openalex.org/I1283155146"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113796032","display_name":"Yamamoto Atsushi","orcid":null},"institutions":[{"id":"https://openalex.org/I1283155146","display_name":"Panasonic (Japan)","ror":"https://ror.org/011tm7n37","country_code":"JP","type":"company","lineage":["https://openalex.org/I1283155146"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Atsushi YAMAMOTO","raw_affiliation_strings":["Panasonic Corporation"],"affiliations":[{"raw_affiliation_string":"Panasonic Corporation","institution_ids":["https://openalex.org/I1283155146"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034396636","display_name":"Tetsuya Hishikawa","orcid":null},"institutions":[{"id":"https://openalex.org/I1283155146","display_name":"Panasonic (Japan)","ror":"https://ror.org/011tm7n37","country_code":"JP","type":"company","lineage":["https://openalex.org/I1283155146"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tetsuya HISHIKAWA","raw_affiliation_strings":["Panasonic Corporation"],"affiliations":[{"raw_affiliation_string":"Panasonic Corporation","institution_ids":["https://openalex.org/I1283155146"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087823453","display_name":"Kentaro Saito","orcid":"https://orcid.org/0000-0002-0913-0835"},"institutions":[{"id":"https://openalex.org/I165522056","display_name":"Tokyo Denki University","ror":"https://ror.org/01pa62v70","country_code":"JP","type":"education","lineage":["https://openalex.org/I165522056"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kentaro SAITO","raw_affiliation_strings":["Tokyo Denki University"],"affiliations":[{"raw_affiliation_string":"Tokyo Denki University","institution_ids":["https://openalex.org/I165522056"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025447890","display_name":"Jun\u2010ichi Takada","orcid":"https://orcid.org/0000-0002-9108-3010"},"institutions":[{"id":"https://openalex.org/I114531698","display_name":"Tokyo Institute of Technology","ror":"https://ror.org/0112mx960","country_code":"JP","type":"education","lineage":["https://openalex.org/I114531698"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Jun-ichi TAKADA","raw_affiliation_strings":["Tokyo Institute of Technology"],"affiliations":[{"raw_affiliation_string":"Tokyo Institute of Technology","institution_ids":["https://openalex.org/I114531698"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103439689","display_name":"Toshiyuki Maeyama","orcid":null},"institutions":[{"id":"https://openalex.org/I7377986","display_name":"Takushoku University","ror":"https://ror.org/05qh38f12","country_code":"JP","type":"education","lineage":["https://openalex.org/I7377986"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Toshiyuki MAEYAMA","raw_affiliation_strings":["Takushoku University"],"affiliations":[{"raw_affiliation_string":"Takushoku University","institution_ids":["https://openalex.org/I7377986"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5047468026"],"corresponding_institution_ids":["https://openalex.org/I114531698","https://openalex.org/I1283155146"],"apc_list":null,"apc_paid":null,"fwci":0.0915,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.39059809,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"E105.B","issue":"12","first_page":"1540","last_page":"1547"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9998000264167786,"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":0.9998000264167786,"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/T10262","display_name":"Microwave Engineering and Waveguides","score":0.9896000027656555,"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/T10069","display_name":"Antenna Design and Analysis","score":0.9894000291824341,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/non-line-of-sight-propagation","display_name":"Non-line-of-sight propagation","score":0.9103012681007385},{"id":"https://openalex.org/keywords/finite-difference-time-domain-method","display_name":"Finite-difference time-domain method","score":0.827829122543335},{"id":"https://openalex.org/keywords/path-loss","display_name":"Path loss","score":0.7872755527496338},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7322772741317749},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.6507698893547058},{"id":"https://openalex.org/keywords/ceiling","display_name":"Ceiling (cloud)","score":0.6441853046417236},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.6399011015892029},{"id":"https://openalex.org/keywords/line-of-sight","display_name":"Line-of-sight","score":0.5881655812263489},{"id":"https://openalex.org/keywords/beam","display_name":"Beam (structure)","score":0.5072442889213562},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.3808140456676483},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3103926181793213},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.20414602756500244},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.14987215399742126},{"id":"https://openalex.org/keywords/structural-engineering","display_name":"Structural engineering","score":0.12807291746139526},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.0888204276561737},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.08767083287239075},{"id":"https://openalex.org/keywords/aerospace-engineering","display_name":"Aerospace engineering","score":0.08645427227020264}],"concepts":[{"id":"https://openalex.org/C154910267","wikidata":"https://www.wikidata.org/wiki/Q1740982","display_name":"Non-line-of-sight propagation","level":3,"score":0.9103012681007385},{"id":"https://openalex.org/C184880428","wikidata":"https://www.wikidata.org/wiki/Q1417308","display_name":"Finite-difference time-domain method","level":2,"score":0.827829122543335},{"id":"https://openalex.org/C194273485","wikidata":"https://www.wikidata.org/wiki/Q1478845","display_name":"Path loss","level":3,"score":0.7872755527496338},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7322772741317749},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.6507698893547058},{"id":"https://openalex.org/C2777489069","wikidata":"https://www.wikidata.org/wiki/Q1589822","display_name":"Ceiling (cloud)","level":2,"score":0.6441853046417236},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.6399011015892029},{"id":"https://openalex.org/C2780928442","wikidata":"https://www.wikidata.org/wiki/Q6553027","display_name":"Line-of-sight","level":2,"score":0.5881655812263489},{"id":"https://openalex.org/C168834538","wikidata":"https://www.wikidata.org/wiki/Q3705329","display_name":"Beam (structure)","level":2,"score":0.5072442889213562},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.3808140456676483},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3103926181793213},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.20414602756500244},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.14987215399742126},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.12807291746139526},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0888204276561737},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.08767083287239075},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.08645427227020264}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1587/transcom.2022ebp3010","is_oa":false,"landing_page_url":"https://doi.org/10.1587/transcom.2022ebp3010","pdf_url":null,"source":{"id":"https://openalex.org/S2493627025","display_name":"IEICE Transactions on Communications","issn_l":"0916-8516","issn":["0916-8516","1745-1345"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Transactions on Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8100000023841858,"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W2004094397","https://openalex.org/W2091224355","https://openalex.org/W2122534809","https://openalex.org/W2132252220","https://openalex.org/W2143342294","https://openalex.org/W2149922723","https://openalex.org/W2156433148","https://openalex.org/W2162288633","https://openalex.org/W2322639762","https://openalex.org/W2809116332","https://openalex.org/W2900248381","https://openalex.org/W2989554869","https://openalex.org/W3194151666"],"related_works":["https://openalex.org/W4306950403","https://openalex.org/W22721396","https://openalex.org/W2253573804","https://openalex.org/W4300167711","https://openalex.org/W2806700348","https://openalex.org/W2963347964","https://openalex.org/W1994455657","https://openalex.org/W2168752585","https://openalex.org/W2982213597","https://openalex.org/W2138069220"],"abstract_inverted_index":{"A":[0],"path":[1,60],"loss":[2,61],"prediction":[3,62,112,137],"formula":[4,63,113,138],"for":[5,142,147],"IoT":[6,149],"(Internet":[7],"of":[8,25,49,78,86,124,126],"Things)":[9],"wireless":[10,144,150],"communication":[11],"close":[12,42,153],"to":[13,43,131,154],"ceiling":[14,48],"beams":[15],"in":[16,83],"the":[17,32,47,54,65,70,84,87,95,99,111,127,132,136,143,148],"920MHz":[18],"band":[19],"is":[20,114,139],"presented.":[21],"In":[22,53],"first":[23],"step":[24],"our":[26],"investigation,":[27],"we":[28,57],"conduct":[29],"simulations":[30],"using":[31,69],"FDTD":[33,71],"(Finite":[34],"Difference":[35],"Time":[36],"Domain)":[37],"method":[38],"and":[39,89,101,104],"propagation":[40],"tests":[41],"a":[44,50,59,117,122],"beam":[45,100,133,156],"on":[46,94],"concrete":[51,155],"building.":[52],"second":[55],"step,":[56],"derive":[58],"from":[64],"simulation":[66],"results":[67],"by":[68,73,116],"method,":[72],"dividing":[74],"into":[75],"three":[76],"regions":[77],"LoS":[79],"(line-of-sight)":[80],"situation,":[81,92],"situation":[82],"vicinity":[85],"beam,":[88],"NLoS":[90],"(non-line-of-sight)":[91],"depending":[93],"positional":[96],"relationship":[97],"between":[98],"transmitter":[102],"(Tx)":[103],"receiver":[105],"(Rx)":[106],"antennas.":[107],"For":[108],"each":[109],"condition,":[110],"expressed":[115],"relatively":[118],"simple":[119],"form":[120],"as":[121],"function":[123],"height":[125],"antennas":[128],"with":[129],"respect":[130],"bottom.":[134],"Thus,":[135],"very":[140],"useful":[141],"site":[145],"planning":[146],"devices":[151],"set":[152],"ceiling.":[157]},"counts_by_year":[{"year":2023,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
