{"id":"https://openalex.org/W2099176764","doi":"https://doi.org/10.1186/1687-1499-2013-158","title":"On the maximum likelihood estimation of the ToA under an imperfect path loss exponent","display_name":"On the maximum likelihood estimation of the ToA under an imperfect path loss exponent","publication_year":2013,"publication_date":"2013-06-11","ids":{"openalex":"https://openalex.org/W2099176764","doi":"https://doi.org/10.1186/1687-1499-2013-158","mag":"2099176764"},"language":"en","primary_location":{"id":"doi:10.1186/1687-1499-2013-158","is_oa":true,"landing_page_url":"https://doi.org/10.1186/1687-1499-2013-158","pdf_url":"https://jwcn-eurasipjournals.springeropen.com/counter/pdf/10.1186/1687-1499-2013-158","source":{"id":"https://openalex.org/S82675988","display_name":"EURASIP Journal on Wireless Communications and Networking","issn_l":"1687-1472","issn":["1687-1472","1687-1499"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"EURASIP Journal on Wireless Communications and Networking","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://jwcn-eurasipjournals.springeropen.com/counter/pdf/10.1186/1687-1499-2013-158","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5037473201","display_name":"Isabel Valera","orcid":"https://orcid.org/0000-0002-6440-4376"},"institutions":[{"id":"https://openalex.org/I50357001","display_name":"Universidad Carlos III de Madrid","ror":"https://ror.org/03ths8210","country_code":"ES","type":"education","lineage":["https://openalex.org/I50357001"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"Isabel Valera","raw_affiliation_strings":["Department of Signal Theory and Communications, University Carlos III of Madrid, Madrid, Spain"],"affiliations":[{"raw_affiliation_string":"Department of Signal Theory and Communications, University Carlos III of Madrid, Madrid, Spain","institution_ids":["https://openalex.org/I50357001"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111439264","display_name":"Bamrung Tau Sieskul","orcid":null},"institutions":[{"id":"https://openalex.org/I6289922","display_name":"Universidade de Vigo","ror":"https://ror.org/05rdf8595","country_code":"ES","type":"education","lineage":["https://openalex.org/I6289922"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Bamrung Tau Sieskul","raw_affiliation_strings":["Signal Theory and Communications Department, University of Vigo, Vigo, Spain"],"affiliations":[{"raw_affiliation_string":"Signal Theory and Communications Department, University of Vigo, Vigo, Spain","institution_ids":["https://openalex.org/I6289922"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5049447262","display_name":"Joaqu\u0131\u0301n M\u0131\u0301guez","orcid":"https://orcid.org/0000-0001-5227-7253"},"institutions":[{"id":"https://openalex.org/I50357001","display_name":"Universidad Carlos III de Madrid","ror":"https://ror.org/03ths8210","country_code":"ES","type":"education","lineage":["https://openalex.org/I50357001"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Joaqu\u00edn M\u00edguez","raw_affiliation_strings":["Department of Signal Theory and Communications, University Carlos III of Madrid, Madrid, Spain"],"affiliations":[{"raw_affiliation_string":"Department of Signal Theory and Communications, University Carlos III of Madrid, Madrid, Spain","institution_ids":["https://openalex.org/I50357001"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5037473201"],"corresponding_institution_ids":["https://openalex.org/I50357001"],"apc_list":{"value":1140,"currency":"GBP","value_usd":1398},"apc_paid":{"value":1140,"currency":"GBP","value_usd":1398},"fwci":0.0,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.14606074,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"2013","issue":"1","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":1.0,"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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":1.0,"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/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/T10860","display_name":"Speech and Audio Processing","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/estimator","display_name":"Estimator","score":0.7384731769561768},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6519964933395386},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.6296098232269287},{"id":"https://openalex.org/keywords/monte-carlo-method","display_name":"Monte Carlo method","score":0.597864031791687},{"id":"https://openalex.org/keywords/path-loss","display_name":"Path loss","score":0.588333010673523},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5482913255691528},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.5364350080490112},{"id":"https://openalex.org/keywords/mean-squared-error","display_name":"Mean squared error","score":0.4607561230659485},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.4241839349269867},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.3615190386772156},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.3194982409477234},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2759791612625122},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2492251992225647},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.2160528600215912},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.10274562239646912}],"concepts":[{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.7384731769561768},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6519964933395386},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.6296098232269287},{"id":"https://openalex.org/C19499675","wikidata":"https://www.wikidata.org/wiki/Q232207","display_name":"Monte Carlo method","level":2,"score":0.597864031791687},{"id":"https://openalex.org/C194273485","wikidata":"https://www.wikidata.org/wiki/Q1478845","display_name":"Path loss","level":3,"score":0.588333010673523},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5482913255691528},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.5364350080490112},{"id":"https://openalex.org/C139945424","wikidata":"https://www.wikidata.org/wiki/Q1940696","display_name":"Mean squared error","level":2,"score":0.4607561230659485},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.4241839349269867},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.3615190386772156},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.3194982409477234},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2759791612625122},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2492251992225647},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.2160528600215912},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.10274562239646912}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1186/1687-1499-2013-158","is_oa":true,"landing_page_url":"https://doi.org/10.1186/1687-1499-2013-158","pdf_url":"https://jwcn-eurasipjournals.springeropen.com/counter/pdf/10.1186/1687-1499-2013-158","source":{"id":"https://openalex.org/S82675988","display_name":"EURASIP Journal on Wireless Communications and Networking","issn_l":"1687-1472","issn":["1687-1472","1687-1499"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"EURASIP Journal on Wireless Communications and Networking","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1186/1687-1499-2013-158","is_oa":true,"landing_page_url":"https://doi.org/10.1186/1687-1499-2013-158","pdf_url":"https://jwcn-eurasipjournals.springeropen.com/counter/pdf/10.1186/1687-1499-2013-158","source":{"id":"https://openalex.org/S82675988","display_name":"EURASIP Journal on Wireless Communications and Networking","issn_l":"1687-1472","issn":["1687-1472","1687-1499"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"EURASIP Journal on Wireless Communications and Networking","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3699213180","display_name":null,"funder_award_id":"Spain","funder_id":"https://openalex.org/F4320313831","funder_display_name":"Comunidad de Madrid"},{"id":"https://openalex.org/G6384502615","display_name":null,"funder_award_id":"CSD2008-00010","funder_id":"https://openalex.org/F4320321837","funder_display_name":"Ministerio de Econom\u00eda y Competitividad"},{"id":"https://openalex.org/G7474064159","display_name":null,"funder_award_id":"S2010/BMD-24","funder_id":"https://openalex.org/F4320313831","funder_display_name":"Comunidad de Madrid"}],"funders":[{"id":"https://openalex.org/F4320313831","display_name":"Comunidad de Madrid","ror":null},{"id":"https://openalex.org/F4320321837","display_name":"Ministerio de Econom\u00eda y Competitividad","ror":"https://ror.org/034900433"},{"id":"https://openalex.org/F4320322379","display_name":"Gottfried Wilhelm Leibniz Universit\u00e4t Hannover","ror":"https://ror.org/0304hq317"},{"id":"https://openalex.org/F4320324091","display_name":"Universidade de Vigo","ror":"https://ror.org/05rdf8595"},{"id":"https://openalex.org/F4320334763","display_name":"Leibniz-Gemeinschaft","ror":"https://ror.org/01n6r0e97"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2099176764.pdf","grobid_xml":"https://content.openalex.org/works/W2099176764.grobid-xml"},"referenced_works_count":49,"referenced_works":["https://openalex.org/W591205089","https://openalex.org/W595252221","https://openalex.org/W1490176397","https://openalex.org/W1492251543","https://openalex.org/W1537150979","https://openalex.org/W1542648184","https://openalex.org/W1578525639","https://openalex.org/W1586086488","https://openalex.org/W1590772317","https://openalex.org/W1595946008","https://openalex.org/W1970065434","https://openalex.org/W1971633571","https://openalex.org/W1985093013","https://openalex.org/W1989110752","https://openalex.org/W2004289858","https://openalex.org/W2004658166","https://openalex.org/W2012462772","https://openalex.org/W2070983492","https://openalex.org/W2076764958","https://openalex.org/W2096350752","https://openalex.org/W2100123768","https://openalex.org/W2100803931","https://openalex.org/W2104417553","https://openalex.org/W2111451451","https://openalex.org/W2117719859","https://openalex.org/W2120201680","https://openalex.org/W2126022604","https://openalex.org/W2126086624","https://openalex.org/W2133064927","https://openalex.org/W2145417574","https://openalex.org/W2149755721","https://openalex.org/W2151517138","https://openalex.org/W2158095830","https://openalex.org/W2160413701","https://openalex.org/W2161963928","https://openalex.org/W2163599171","https://openalex.org/W2166347983","https://openalex.org/W2334869595","https://openalex.org/W2338252309","https://openalex.org/W2610335499","https://openalex.org/W2618554139","https://openalex.org/W3133603318","https://openalex.org/W4213004184","https://openalex.org/W4214605791","https://openalex.org/W4238989166","https://openalex.org/W4256260915","https://openalex.org/W4285719527","https://openalex.org/W4292691288","https://openalex.org/W4299789586"],"related_works":["https://openalex.org/W4286962594","https://openalex.org/W3202165144","https://openalex.org/W2119209917","https://openalex.org/W2170938908","https://openalex.org/W2159125213","https://openalex.org/W2106362003","https://openalex.org/W2170449934","https://openalex.org/W4226372654","https://openalex.org/W3039424854","https://openalex.org/W4287781436"],"abstract_inverted_index":{"We":[0],"investigate":[1],"the":[2,5,28,32,42,49,54,64,71,82,85,91,98,110,113,119,129,145,152,155,161,182,187,201,217,221,236],"estimation":[3],"of":[4,7,10,63,81,84,90,97,118,128,186,216,239],"time":[6],"arrival":[8],"(ToA)":[9],"a":[11,16,78,104,126,139,213],"radio":[12],"signal":[13,147,189],"transmitted":[14],"over":[15],"flat-fading":[17],"channel.":[18],"The":[19,132,225],"path":[20,33,140],"attenuation":[21],"is":[22,56,134,179,190,203,208],"assumed":[23],"to":[24,48,164,192],"depend":[25,69],"only":[26,150],"on":[27,41,61,70,151,200],"transmitter-receiver":[29,156],"distance":[30],"and":[31,112,154,211,242],"loss":[34,141],"exponent":[35],"(PLE)":[36],"which,":[37],"in":[38,122,143,220],"turn,":[39],"depends":[40,149],"physical":[43],"environment.":[44],"All":[45],"previous":[46],"approaches":[47],"problem":[50],"either":[51],"assume":[52],"that":[53,108,175],"PLE":[55,130,153],"perfectly":[57],"known":[58],"or":[59],"rely":[60],"estimators":[62],"ToA":[65,92],"which":[66,144],"do":[67],"not":[68],"PLE.":[72,99],"In":[73],"this":[74,176],"paper,":[75],"we":[76,101,159],"introduce":[77],"novel":[79],"analysis":[80,133,178,202],"performance":[83],"maximum":[86],"likelihood":[87],"(ML)":[88],"estimator":[89,121,219],"under":[93],"an":[94],"imperfect":[95],"knowledge":[96],"Specifically,":[100],"carry":[102],"out":[103,137],"Taylor":[105],"series":[106],"expansion":[107],"approximates":[109],"bias":[111],"root":[114],"mean":[115],"square":[116],"error":[117],"ML":[120,218],"closed":[123],"form":[124],"as":[125],"function":[127],"error.":[131],"first":[135],"carried":[136],"for":[138,167],"model":[142],"received":[146,188],"gain":[148],"distance.":[157],"Then,":[158],"extend":[160],"obtained":[162,226],"results":[163],"account":[165],"also":[166,204],"shadow":[168],"fading":[169],"scenarios.":[170],"Our":[171],"computer":[172],"simulations":[173],"show":[174],"approximate":[177],"accurate":[180],"when":[181],"signal-to-noise":[183],"ratio":[184],"(SNR)":[185],"medium":[191],"high.":[193],"A":[194],"simple":[195],"Monte":[196,229],"Carlo":[197],"method":[198],"based":[199],"proposed.":[205],"This":[206],"technique":[207],"computationally":[209],"efficient":[210],"yields":[212],"better":[214],"approximation":[215],"low":[222],"SNR":[223],"region.":[224],"analytical":[227],"(and":[228],"Carlo)":[230],"approximations":[231],"can":[232],"be":[233],"useful":[234],"at":[235],"design":[237],"stage":[238],"wireless":[240],"communication":[241],"localization":[243],"systems.":[244]},"counts_by_year":[{"year":2023,"cited_by_count":1}],"updated_date":"2026-04-10T15:06:20.359241","created_date":"2025-10-10T00:00:00"}
