{"id":"https://openalex.org/W2148032882","doi":"https://doi.org/10.1109/vetecs.2011.5956332","title":"Influence of Different Factors on X-Map Estimation in LTE","display_name":"Influence of Different Factors on X-Map Estimation in LTE","publication_year":2011,"publication_date":"2011-05-01","ids":{"openalex":"https://openalex.org/W2148032882","doi":"https://doi.org/10.1109/vetecs.2011.5956332","mag":"2148032882"},"language":"en","primary_location":{"id":"doi:10.1109/vetecs.2011.5956332","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecs.2011.5956332","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE 73rd Vehicular Technology Conference (VTC Spring)","raw_type":"proceedings-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/A5090827721","display_name":"Michaela Neuland","orcid":null},"institutions":[{"id":"https://openalex.org/I94509681","display_name":"Technische Universit\u00e4t Braunschweig","ror":"https://ror.org/010nsgg66","country_code":"DE","type":"education","lineage":["https://openalex.org/I94509681"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Michaela Neuland","raw_affiliation_strings":["Institut f\u00fcr Nachrichtentechnik, Technische Universit\u00e4at Braunschweig, Brunswick, Germany"],"affiliations":[{"raw_affiliation_string":"Institut f\u00fcr Nachrichtentechnik, Technische Universit\u00e4at Braunschweig, Brunswick, Germany","institution_ids":["https://openalex.org/I94509681"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111720244","display_name":"Thomas K\u00fcrner","orcid":null},"institutions":[{"id":"https://openalex.org/I94509681","display_name":"Technische Universit\u00e4t Braunschweig","ror":"https://ror.org/010nsgg66","country_code":"DE","type":"education","lineage":["https://openalex.org/I94509681"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Thomas Kurner","raw_affiliation_strings":["Institut f\u00fcr Nachrichtentechnik, Technische Universit\u00e4at Braunschweig, Brunswick, Germany"],"affiliations":[{"raw_affiliation_string":"Institut f\u00fcr Nachrichtentechnik, Technische Universit\u00e4at Braunschweig, Brunswick, Germany","institution_ids":["https://openalex.org/I94509681"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5090330943","display_name":"Mehdi Amirijoo","orcid":null},"institutions":[{"id":"https://openalex.org/I1306339040","display_name":"Ericsson (Sweden)","ror":"https://ror.org/05a7rhx54","country_code":"SE","type":"company","lineage":["https://openalex.org/I1306339040"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Mehdi Amirijoo","raw_affiliation_strings":["Ericsson Research, Ericsson AB, Linkoping, Sweden"],"affiliations":[{"raw_affiliation_string":"Ericsson Research, Ericsson AB, Linkoping, Sweden","institution_ids":["https://openalex.org/I1306339040"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5090827721"],"corresponding_institution_ids":["https://openalex.org/I94509681"],"apc_list":null,"apc_paid":null,"fwci":0.5299,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.7210985,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":"30","issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9997000098228455,"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":0.9997000098228455,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9987000226974487,"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":0.9983000159263611,"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/snapshot","display_name":"Snapshot (computer storage)","score":0.8548184037208557},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7282710671424866},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.5632805824279785},{"id":"https://openalex.org/keywords/overlay","display_name":"Overlay","score":0.5354189276695251},{"id":"https://openalex.org/keywords/field","display_name":"Field (mathematics)","score":0.46385976672172546},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.37195879220962524},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.13276523351669312},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.10839864611625671}],"concepts":[{"id":"https://openalex.org/C55282118","wikidata":"https://www.wikidata.org/wiki/Q252683","display_name":"Snapshot (computer storage)","level":2,"score":0.8548184037208557},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7282710671424866},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.5632805824279785},{"id":"https://openalex.org/C136085584","wikidata":"https://www.wikidata.org/wiki/Q910289","display_name":"Overlay","level":2,"score":0.5354189276695251},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.46385976672172546},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.37195879220962524},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.13276523351669312},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.10839864611625671},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/vetecs.2011.5956332","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecs.2011.5956332","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE 73rd Vehicular Technology Conference (VTC Spring)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6100000143051147,"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W957058688","https://openalex.org/W1490674876","https://openalex.org/W1972934197","https://openalex.org/W2007659508","https://openalex.org/W2115490566","https://openalex.org/W2120614617","https://openalex.org/W2132224724","https://openalex.org/W2135512772","https://openalex.org/W2162184158","https://openalex.org/W2164869478","https://openalex.org/W2256389857","https://openalex.org/W2478503558","https://openalex.org/W2795287590","https://openalex.org/W3044982023","https://openalex.org/W6749870605","https://openalex.org/W6780984903"],"related_works":["https://openalex.org/W595346907","https://openalex.org/W153296825","https://openalex.org/W598989511","https://openalex.org/W2375779923","https://openalex.org/W2041986468","https://openalex.org/W1967800214","https://openalex.org/W2055675609","https://openalex.org/W4388001050","https://openalex.org/W2245277136","https://openalex.org/W2542847180"],"abstract_inverted_index":{"Information":[0],"about":[1],"the":[2,17,38,45,51,79,86,96,99,106,109,116,120,126,155,158,161,166,172,175,181,184,188,191,195,200,204,210],"radio":[3],"coverage":[4],"is":[5,101],"essential":[6],"for":[7,145],"network":[8,11,80,117,122],"planning":[9,20,52],"and":[10,42,88,91,118,165,198,203],"optimization.":[12],"In":[13],"order":[14],"to":[15,55,66,85,138],"obtain":[16],"necessary":[18],"information,":[19,136],"tools":[21,53],"are":[22,25,70,148],"used":[23,196],"which":[24,69,113],"in":[26,37,44,98,129,150],"some":[27],"aspects":[28],"inaccurate":[29,33],"due":[30,84],"to,":[31],"e.g.,":[32],"input":[34],"data,":[35],"simplifications":[36],"applied":[39],"propagation":[40],"models,":[41],"changes":[43],"environment":[46],"or":[47],"traffic":[48],"distribution.":[49],"Thus,":[50],"have":[54,65,209],"be":[56,67,82],"optimized":[57],"using":[58],"measurement":[59,163],"campaigns.":[60],"For":[61],"this,":[62],"drive/walk":[63],"tests":[64],"performed":[68],"not":[71],"ideal":[72],"since":[73],"only":[74,92],"a":[75,93,130],"limited":[76],"part":[77],"of":[78,95,108,157,168,174,183,190,206],"can":[81],"covered":[83],"costs":[87],"access":[89],"restrictions,":[90],"snapshot":[94],"conditions":[97],"field":[100],"captured.":[102],"Therefore,":[103],"we":[104],"introduce":[105],"concept":[107],"X-map":[110],"estimation":[111],"function":[112],"continuously":[114],"monitors":[115],"estimates":[119],"spatial":[121],"performance":[123,135],"by":[124],"processing":[125],"UE":[127,162],"reports":[128],"geographic":[131],"map":[132],"with":[133],"overlay":[134],"referred":[137],"as":[139],"an":[140],"X-map.":[141],"Two":[142],"different":[143,185],"approaches":[144],"creating":[146],"X-maps":[147,192],"evaluated":[149],"this":[151],"paper.":[152],"We":[153,178],"analyze":[154],"influence":[156,182],"positioning":[159,201],"accuracy,":[160,164],"number":[167,205],"measurements":[169,207],"taken":[170,208],"on":[171,187,194],"accuracy":[173,189,202],"resulting":[176],"X-maps.":[177],"show":[179],"that":[180,199],"factors":[186],"depends":[193],"approach":[197],"largest":[211],"impact.":[212]},"counts_by_year":[{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}