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[{"key": "dc.contributor.advisor", "value": "Tapani Ristaniemi", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.advisor", "value": "Riaz Uddin Mondal", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.author", "value": "Kankaanp\u00e4\u00e4, Jari-Matti", "language": null, "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2017-05-29T13:45:34Z", "language": "", "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2017-05-29T13:45:34Z", "language": "", "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2017", "language": null, "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.other", "value": "oai:jykdok.linneanet.fi:1702318", "language": null, "element": "identifier", "qualifier": "other", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/54166", "language": "", "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Mobiililaitteiden tarkalla paikantamisella on t\u00e4rke\u00e4 rooli nykyisiss\u00e4 ja tulevissa\r\nlangattomiin verkkoihin perustuvissa sovelluksissa. GPS-paikannus on yleisesti k\u00e4ytetty,\r\nmutta se suoriutuu kehnosti sis\u00e4tiloissa ja saattaa ruuhkahuippujen aikana olla kykenem\u00e4t\u00f6n suorittamaan kaikkia paikannuspyynt\u00f6j\u00e4 tehokkaasti. Mobiiliverkossa paikannus voidaan\r\nsuorittaa kolmiomittauksen avulla, joka vaatii kuitenkin aktiivisen puhelun. Paikkatieto mahdollistaa\r\nverkko-operaattoreille ajantasaisen statistiikan ker\u00e4\u00e4misen muuttuvassa radioverkkoymp\u00e4rist\u00f6ss\u00e4.\r\nSe auttaa my\u00f6s parantamaan tilannetietoisuutta onnettomuuksien ja pelastusoperaatioiden\r\naikana. Langattomien verkkojen massiivista dataa ei viel\u00e4 ole k\u00e4ytetty kunnolla\r\npaikannusongelmien ratkaisemiseen. T\u00e4m\u00e4n ty\u00f6n tarkoituksena on selvitt\u00e4\u00e4 tunnettujen\r\nalgoritmien paikannustarkkuus klusteroimalla signaalidataa, joka on ker\u00e4tty empiirisesti\r\nWLAN- ja mobiiliverkon tukiasemista. Klusterointiin k\u00e4ytet\u00e4\u00e4n K-means-, K-medoids- ja\r\nKnn-algoritmeja, joista parhaat paikannustulokset saatiin Knn-algoritmilla. Se saavutti noin\r\n17 metrin paikannustarkkuuden, joka on suunnilleen 20% parempi kuin K-means- tai Kmedoids-algoritmien\r\nsaavuttamat paikannustarkkuudet.", "language": "fi", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Positioning of user-equipments (UE) is a vital part of recent and future applications\r\nbased on wireless networks. Global Positioning System (GPS) is popular and widely\r\nused, but it performs poorly indoors and might be too busy to handle all requests properly during rush hours. In mobile networks, positioning can be done by triangulation, though it\r\nrequires that a phone call is going on. Location data allows e.g. network operators to get\r\nupdated measurements from UEs in a changing radio network environment. Situational awareness,\r\ne.g. during disasters or rescue operations, could be improved with precise positioning\r\nof UEs. Massive data of wireless networks are yet to be used for solving positioning issues.\r\nThe aim of this work is to use known algorithms to cluster signal data collected empirically\r\nfrom mobile base stations and WLAN access points and determine the positioning error of\r\neach algorithm. Results will be compared between the used clustering algorithms. The algorithms\r\nthat are used for clustering are: K-means, K-medoids and Knn, from which Knn\r\nachieved best results, approximately 17 metres, having 20% better positioning accuracy than\r\nK-means and K-medoids.", "language": "en", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted using Plone Publishing form by Jari-Matti Kankaanp\u00e4\u00e4 (jajokank) on 2017-05-29 13:45:34.101003. Form: Pro gradu -lomake (https://kirjasto.jyu.fi/julkaisut/julkaisulomakkeet/pro-gradu-lomake). JyX data: [jyx_publishing-allowed (fi) =True]", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by jyx lomake-julkaisija (jyx-julkaisija.group@korppi.jyu.fi) on 2017-05-29T13:45:34Z\r\nNo. of bitstreams: 2\r\nURN:NBN:fi:jyu-201705292550.pdf: 727587 bytes, checksum: 1f0a9609be36d597b2fc282906dae0f3 (MD5)\r\nlicense.html: 4815 bytes, checksum: 9775991839dc63e78d63e886fad2ec31 (MD5)", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2017-05-29T13:45:34Z (GMT). No. of bitstreams: 2\r\nURN:NBN:fi:jyu-201705292550.pdf: 727587 bytes, checksum: 1f0a9609be36d597b2fc282906dae0f3 (MD5)\r\nlicense.html: 4815 bytes, checksum: 9775991839dc63e78d63e886fad2ec31 (MD5)\r\n Previous issue date: 2017", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "1 verkkoaineisto (53 sivua)", "language": null, "element": "format", "qualifier": "extent", "schema": "dc"}, {"key": "dc.format.mimetype", "value": "application/pdf", "language": null, "element": "format", "qualifier": "mimetype", "schema": "dc"}, {"key": "dc.language.iso", "value": "fin", "language": null, "element": "language", "qualifier": "iso", "schema": "dc"}, {"key": "dc.rights", "value": "In Copyright", "language": "en", "element": "rights", "qualifier": null, "schema": "dc"}, {"key": "dc.subject.other", "value": "LTE", "language": null, "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.title", "value": "Klusterointi radiotaajuuspaikannuksessa", "language": null, "element": "title", "qualifier": null, "schema": "dc"}, {"key": "dc.type", "value": "master thesis", "language": null, "element": "type", "qualifier": null, "schema": "dc"}, {"key": "dc.identifier.urn", "value": "URN:NBN:fi:jyu-201705292550", "language": null, "element": "identifier", "qualifier": "urn", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Pro gradu -tutkielma", "language": "fi", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Master\u2019s thesis", "language": "en", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Informaatioteknologian tiedekunta", "language": "fi", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Faculty of Information Technology", "language": "en", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Informaatioteknologia", "language": "fi", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "University of Jyv\u00e4skyl\u00e4", "language": "en", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "Jyv\u00e4skyl\u00e4n yliopisto", "language": "fi", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Tietotekniikka", "language": "fi", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Mathematical Information Technology", "language": "en", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "dc.date.updated", "value": "2017-05-29T13:45:34Z", "language": "", "element": "date", "qualifier": "updated", "schema": "dc"}, {"key": "yvv.contractresearch.funding", "value": "0", "language": "", "element": "contractresearch", "qualifier": "funding", "schema": "yvv"}, {"key": "dc.type.coar", "value": "http://purl.org/coar/resource_type/c_bdcc", "language": null, "element": "type", "qualifier": "coar", "schema": "dc"}, {"key": "dc.rights.accesslevel", "value": "openAccess", "language": "fi", "element": "rights", "qualifier": "accesslevel", "schema": "dc"}, {"key": "dc.type.publication", "value": "masterThesis", "language": null, "element": "type", "qualifier": "publication", "schema": "dc"}, {"key": "dc.subject.oppiainekoodi", "value": "602", "language": null, "element": "subject", "qualifier": "oppiainekoodi", "schema": "dc"}, {"key": "dc.subject.yso", "value": "klusterit", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "paikannus", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "langattomat l\u00e4hiverkot", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.format.content", "value": "fulltext", "language": null, "element": "format", "qualifier": "content", "schema": "dc"}, {"key": "dc.rights.url", "value": "https://rightsstatements.org/page/InC/1.0/", "language": null, "element": "rights", "qualifier": "url", "schema": "dc"}, {"key": "dc.type.okm", "value": "G2", "language": null, "element": "type", "qualifier": "okm", "schema": "dc"}]
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