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Ključni kazalniki uspešnosti v mobilnih omrežjih
VOJE, ALEŠ (Author), Pustišek, Matevž (Mentor) More about this mentor... This link opens in a new window

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Abstract
Namen diplomskega dela je preučiti in predstaviti vlogo ključnih kazalnikov uspešnosti pri upravljanju mobilnih omrežij. V prvem delu sta predstavljena razvoj mobilnih tehnologij in pomen ključnih kazalnikov uspešnosti v mobilnih omrežjih. Podatkovni promet vztrajno raste, zato se mobilna omrežja nenehno razvijajo. To pomeni, da so omrežja vedno bolj zahtevna za upravljanje. Operater lahko spremlja kakovost mobilnih storitev s pomočjo ključnih kazalnikov uspešnosti. Le-ti so opredeljeni v 3GPP specifikacijah, ali pa jih določi proizvajalec opreme. Za njihov izračun potrebujemo podatke, ki jih lahko dobimo iz treh različnih virov, in sicer iz: meritev v omrežnem elementu, meritev signalizacije in periodičnih testov. V tretjem poglavju so predstavljene arhitekture 2G, 3G in 4G omrežja, skupaj z opisi omrežnih elementov. V osrednjem delu so predstavljeni relevantni kazalniki uspešnosti za vsa tri mobilna omrežja. Vsaka mobilna tehnologija ima veliko ključnih kazalnikov uspešnosti, zaradi česar se mora operater odločiti, kateri so zanj relevantni. Ključne kazalnike uspešnosti smo razdelili na naslednje skupine: dostopnost omrežja, mobilnost, govorne storitve, paketne storitve, VoLTE, SMS sporočila in delovanje omrežnih elementov. Za vsako skupino so bili izbrani relevantni ključni kazalniki uspešnosti, ki jih mora mobilni operater spremljati, če hoče zagotoviti nemoteno delovanje storitev. Zadnji del naloge opisuje pristop k upravljanju mobilnega omrežja s pomočjo ključnih kazalnikov uspešnosti. Predstavljen je nadzorni center, ki spremlja meritve in alarme. Razložena je razlika med meritvami in alarmi ter katere skupine ključnih kazalnikov učinkovitosti se spremljajo v nadzornem centru. Opisano je tudi, kdo vse potrebuje dostop do meritev oziroma ključnih kazalnikov uspešnosti in zakaj. V zaključku je pojasnjeno, zakaj so ključni kazalniki učinkovitosti pomembni. Navedene so tudi ugotovitve za posamezne storitve.

Language:Slovenian
Keywords:KPI, ključni kazalniki uspešnosti, upravljanje omrežja, GSM, UMTS, LTE, IMS
Work type:Undergraduate thesis (m5)
Organization:FE - Faculty of Electrical Engineering
Year:2016
Views:1419
Downloads:397
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Secondary language

Language:English
Title:Key performance indicators in mobile networks
Abstract:
The purpose of the graduation thesis is to research and present the role of key performance indicators in mobile networks management. In the first part, the development of mobile technologies and the importance of key performance indicators in mobile networks are presented. Data traffic is persistently growing, therefore, the mobile networks constantly develop. That means that networks are more and more difficult to manage. With the help of the key performance indicators, the operator can successfully monitor the service quality. The key performance indicators are defined in 3GPP specifications, and some are defined by the equipment manufacturer. In order to calculate the key performance indicators, we need the data that can be obtained from three sources, namely measurements in network element, measurements of signalling, and periodic tests. In the third chapter, architectures of 2G, 3G, and 4G networks are presented as well as descriptions of network elements. The central part presents the relevant indicators of performance for all three mobile networks. Each mobile technology has a lot of key performance indicators, therefore, the operator must decide which of them are relevant for him. We have divided the key performance indicators into the following groups: network accessibility, mobility, voice services, packet data services, VoLTE, SMS and network elements operation. For each group, the relevant key performance indicators were chosen, which must be monitored by the operator in order to ensure smooth operation of the services. The last part deals with the approach in mobile network management by using the key performance indicators. A network operations center is presented which monitors measurements and alarms. Further, the difference between the measurements and alarms is explained, and which groups of the key performance indicators are monitored in the network operations center. It is also described who needs the access to the measurements or key performance indicators and why. In the conclusion, it is explained why the key performance indicators are important. Findings for individual services are also stated.

Keywords:KPI, key performance indicators, network management, GSM, UMTS, LTE, IMS

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