{"id":"https://openalex.org/W2038471965","doi":"https://doi.org/10.1049/iet-com:20060551","title":"Spatio-temporal ultrawideband indoor propagation modelling by reduced complexity geometric optics","display_name":"Spatio-temporal ultrawideband indoor propagation modelling by reduced complexity geometric optics","publication_year":2007,"publication_date":"2007-08-02","ids":{"openalex":"https://openalex.org/W2038471965","doi":"https://doi.org/10.1049/iet-com:20060551","mag":"2038471965"},"language":"en","primary_location":{"id":"doi:10.1049/iet-com:20060551","is_oa":false,"landing_page_url":"https://doi.org/10.1049/iet-com:20060551","pdf_url":null,"source":{"id":"https://openalex.org/S85427048","display_name":"IET Communications","issn_l":"1751-8628","issn":["1751-8628","1751-8636"],"is_oa":false,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310311714","host_organization_name":"Institution of Engineering and Technology","host_organization_lineage":["https://openalex.org/P4310311714"],"host_organization_lineage_names":["Institution of Engineering and Technology"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IET Communications","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"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/A5077586513","display_name":"Wasim Q. Malik","orcid":"https://orcid.org/0000-0002-7260-7560"},"institutions":[{"id":"https://openalex.org/I40120149","display_name":"University of Oxford","ror":"https://ror.org/052gg0110","country_code":"GB","type":"education","lineage":["https://openalex.org/I40120149"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"W.Q. Malik","raw_affiliation_strings":["Department of Engineering Science, University of Oxford, Parks Road, Oxford, OX1 3PJ, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Engineering Science, University of Oxford, Parks Road, Oxford, OX1 3PJ, UK","institution_ids":["https://openalex.org/I40120149"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028031843","display_name":"C.J. Stevens","orcid":"https://orcid.org/0000-0003-3046-7173"},"institutions":[{"id":"https://openalex.org/I40120149","display_name":"University of Oxford","ror":"https://ror.org/052gg0110","country_code":"GB","type":"education","lineage":["https://openalex.org/I40120149"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"C.J. Stevens","raw_affiliation_strings":["Department of Engineering Science, University of Oxford, Parks Road, Oxford, OX1 3PJ, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Engineering Science, University of Oxford, Parks Road, Oxford, OX1 3PJ, UK","institution_ids":["https://openalex.org/I40120149"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5113559709","display_name":"D.J. Edwards","orcid":null},"institutions":[{"id":"https://openalex.org/I40120149","display_name":"University of Oxford","ror":"https://ror.org/052gg0110","country_code":"GB","type":"education","lineage":["https://openalex.org/I40120149"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"D.J. Edwards","raw_affiliation_strings":["Department of Engineering Science, University of Oxford, Parks Road, Oxford, OX1 3PJ, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Engineering Science, University of Oxford, Parks Road, Oxford, OX1 3PJ, UK","institution_ids":["https://openalex.org/I40120149"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I40120149"],"apc_list":{"value":2000,"currency":"EUR","value_usd":2200},"apc_paid":null,"fwci":3.5921,"has_fulltext":false,"cited_by_count":25,"citation_normalized_percentile":{"value":0.92490738,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"1","issue":"4","first_page":"751","last_page":"759"},"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/T12024","display_name":"Ultra-Wideband Communications Technology","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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.996999979019165,"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/multipath-propagation","display_name":"Multipath propagation","score":0.7608518600463867},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.715191125869751},{"id":"https://openalex.org/keywords/ray-tracing","display_name":"Ray tracing (physics)","score":0.6610727310180664},{"id":"https://openalex.org/keywords/power-delay-profile","display_name":"Power delay profile","score":0.5981508493423462},{"id":"https://openalex.org/keywords/specular-reflection","display_name":"Specular reflection","score":0.5556033849716187},{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.5310970544815063},{"id":"https://openalex.org/keywords/parametric-statistics","display_name":"Parametric statistics","score":0.519494891166687},{"id":"https://openalex.org/keywords/wideband","display_name":"Wideband","score":0.5138218998908997},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5046499967575073},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4871380031108856},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.4841683506965637},{"id":"https://openalex.org/keywords/ultra-wideband","display_name":"Ultra-wideband","score":0.44233065843582153},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.4258393347263336},{"id":"https://openalex.org/keywords/radio-propagation","display_name":"Radio propagation","score":0.4191756248474121},{"id":"https://openalex.org/keywords/delay-spread","display_name":"Delay spread","score":0.38698604702949524},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.33461833000183105},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.24208611249923706},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.22695979475975037},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.15262651443481445},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.12269648909568787},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.10152536630630493}],"concepts":[{"id":"https://openalex.org/C161218011","wikidata":"https://www.wikidata.org/wiki/Q11827794","display_name":"Multipath propagation","level":3,"score":0.7608518600463867},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.715191125869751},{"id":"https://openalex.org/C121483023","wikidata":"https://www.wikidata.org/wiki/Q7298343","display_name":"Ray tracing (physics)","level":2,"score":0.6610727310180664},{"id":"https://openalex.org/C2776250087","wikidata":"https://www.wikidata.org/wiki/Q16938869","display_name":"Power delay profile","level":5,"score":0.5981508493423462},{"id":"https://openalex.org/C118381688","wikidata":"https://www.wikidata.org/wiki/Q1079524","display_name":"Specular reflection","level":2,"score":0.5556033849716187},{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.5310970544815063},{"id":"https://openalex.org/C117251300","wikidata":"https://www.wikidata.org/wiki/Q1849855","display_name":"Parametric statistics","level":2,"score":0.519494891166687},{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.5138218998908997},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5046499967575073},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4871380031108856},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.4841683506965637},{"id":"https://openalex.org/C21916231","wikidata":"https://www.wikidata.org/wiki/Q851424","display_name":"Ultra-wideband","level":2,"score":0.44233065843582153},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.4258393347263336},{"id":"https://openalex.org/C202311505","wikidata":"https://www.wikidata.org/wiki/Q1474701","display_name":"Radio propagation","level":2,"score":0.4191756248474121},{"id":"https://openalex.org/C49456836","wikidata":"https://www.wikidata.org/wiki/Q666814","display_name":"Delay spread","level":4,"score":0.38698604702949524},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.33461833000183105},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.24208611249923706},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.22695979475975037},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.15262651443481445},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.12269648909568787},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.10152536630630493},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1049/iet-com:20060551","is_oa":false,"landing_page_url":"https://doi.org/10.1049/iet-com:20060551","pdf_url":null,"source":{"id":"https://openalex.org/S85427048","display_name":"IET Communications","issn_l":"1751-8628","issn":["1751-8628","1751-8636"],"is_oa":false,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310311714","host_organization_name":"Institution of Engineering and Technology","host_organization_lineage":["https://openalex.org/P4310311714"],"host_organization_lineage_names":["Institution of Engineering and Technology"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IET Communications","raw_type":"journal-article"},{"id":"pmh:oai:ora.ox.ac.uk:uuid:21690a9a-ada1-4e79-8b24-17b581f7cd78","is_oa":false,"landing_page_url":"https://ora.ox.ac.uk/objects/uuid:21690a9a-ada1-4e79-8b24-17b581f7cd78","pdf_url":null,"source":{"id":"https://openalex.org/S4306402636","display_name":"Oxford University Research Archive (ORA) (University of Oxford)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I40120149","host_organization_name":"University of Oxford","host_organization_lineage":["https://openalex.org/I40120149"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Symplectic Elements at Oxford","raw_type":"Journal article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11","score":0.5799999833106995}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":49,"referenced_works":["https://openalex.org/W1508642566","https://openalex.org/W1535466638","https://openalex.org/W1565675020","https://openalex.org/W1587282130","https://openalex.org/W1593920888","https://openalex.org/W1646013439","https://openalex.org/W1931505599","https://openalex.org/W1955901462","https://openalex.org/W1979107442","https://openalex.org/W2016781872","https://openalex.org/W2085672023","https://openalex.org/W2094648469","https://openalex.org/W2096350752","https://openalex.org/W2099343457","https://openalex.org/W2099816505","https://openalex.org/W2107200608","https://openalex.org/W2116753915","https://openalex.org/W2118383134","https://openalex.org/W2124276091","https://openalex.org/W2124541664","https://openalex.org/W2124747945","https://openalex.org/W2126638974","https://openalex.org/W2127305130","https://openalex.org/W2128339739","https://openalex.org/W2130771561","https://openalex.org/W2135622839","https://openalex.org/W2138383760","https://openalex.org/W2138524899","https://openalex.org/W2138722122","https://openalex.org/W2138855354","https://openalex.org/W2139482442","https://openalex.org/W2144844299","https://openalex.org/W2145417574","https://openalex.org/W2147222298","https://openalex.org/W2151993951","https://openalex.org/W2155477820","https://openalex.org/W2160593425","https://openalex.org/W2161963928","https://openalex.org/W2162028181","https://openalex.org/W2163363194","https://openalex.org/W2163709792","https://openalex.org/W2167088355","https://openalex.org/W2170754520","https://openalex.org/W2171695182","https://openalex.org/W2490301100","https://openalex.org/W3147028311","https://openalex.org/W3217383370","https://openalex.org/W3217562113","https://openalex.org/W6636873019"],"related_works":["https://openalex.org/W1571112747","https://openalex.org/W2521011199","https://openalex.org/W2139077079","https://openalex.org/W2289346131","https://openalex.org/W2408852955","https://openalex.org/W2522310047","https://openalex.org/W1987548326","https://openalex.org/W2140013086","https://openalex.org/W2073046523","https://openalex.org/W2076127094"],"abstract_inverted_index":{"A":[0],"simple":[1],"and":[2,14,32,50,68,109,124,149,152,164,172],"efficient":[3],"virtual-source":[4],"ray-tracing":[5],"technique":[6],"for":[7,159],"the":[8,25,40,45,96,113,145],"simulation":[9,101],"of":[10,53,170],"indoor":[11,41,135,160],"wideband":[12],"radio":[13],"optical":[15],"propagation":[16],"channels":[17],"is":[18,37,117,122,127,139],"proposed.":[19],"The":[20,63,89,100,168],"parametric":[21],"deterministic":[22],"model":[23,146],"considers":[24],"room":[26],"geometry,":[27],"transceiver":[28],"locations,":[29],"material":[30],"properties":[31],"probe":[33],"signal":[34],"types.":[35],"It":[36,116],"applied":[38],"to":[39,58,84],"ultrawideband":[42],"channel":[43,64,106],"in":[44,132],"FCC-allocated":[46],"3.1-10.6":[47],"GHz":[48],"band,":[49],"a":[51,75,133,156],"range":[52],"novel":[54],"results":[55,102],"are":[56,71,82,93],"presented":[57],"illustrate":[59],"several":[60],"possible":[61],"applications.":[62],"small-scale":[65],"fading":[66],"statistics":[67],"spatial":[69],"variability":[70],"examined":[72],"by":[73],"synthesising":[74],"densely":[76],"sampled":[77],"aperture.":[78],"Multiple-antenna":[79],"array":[80],"systems":[81],"simulated":[83,97],"evaluate":[85],"multiple-input":[86],"multiple-output":[87],"performance.":[88],"multipath":[90],"angular":[91],"characteristics":[92],"analysed":[94],"from":[95],"azimuth-delay":[98],"profile.":[99],"closely":[103],"match":[104],"previous":[105],"measurement":[107],"studies":[108],"statistical":[110],"models,":[111],"validating":[112],"proposed":[114],"technique.":[115],"shown":[118],"that":[119,141],"specular":[120],"reflection":[121],"dominant,":[123],"power":[125],"convergence":[126],"achieved":[128],"with":[129],"three":[130],"reflections":[131],"typical":[134],"environment.":[136],"Thus,":[137],"it":[138],"demonstrated":[140],"despite":[142],"its":[143],"simplicity,":[144],"yields":[147],"reliable":[148],"accurate":[150],"results,":[151],"can":[153],"therefore":[154],"be":[155],"useful":[157],"tool":[158],"wireless":[161],"network":[162],"planning":[163],"performance":[165],"prediction.":[166],"\u00a9":[167],"Institution":[169],"Engineering":[171],"Technology":[173],"2007.":[174]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":6},{"year":2012,"cited_by_count":3}],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}