期刊
IEEE TRANSACTIONS ON MOBILE COMPUTING
卷 16, 期 6, 页码 1587-1600出版社
IEEE COMPUTER SOC
DOI: 10.1109/TMC.2016.2601919
关键词
LTE; self-organizing networks; self-healing; diagnosis; root cause analysis; troubleshooting; big-data analytics; self-organizing maps; mobile traces; minimization of drive tests
资金
- Optimi-Ericsson
- Junta de Andalucia
- Agencia IDEA
- Consejeria de Ciencia, Innovacion y Empresa
- Proyecto de Investigacion de Excelencia [P12-TIC-2905]
- ERDF
The current trend in the management of mobile communication networks is to increase the level of automation in order to enhance network performance while reducing Operational Expenditure (OPEX). In this context, the 3rd Generation Partnership Project (3GPP) has presented different solutions. On the one hand, Self-Organizing Networks (SON) include self-healing capabilities, which allow operators to automate their troubleshooting tasks in order to identify and solve the problems of the network. On the other hand, the use of mobile traces or Minimization of Drive Tests (MDT) are proposed to automate the collection of user's measurements and signalling messages. This paper proposes to combine both solutions, SON and traces, with the purpose of quickly detecting and solving issues related to the radio interface. That is, the user information gathered by the cell traces function is used to perform an automatic diagnosis of the RF condition of each cell. In addition, the proposed approach allows to precisely locate RF problems based on the assessment of the RF condition. Mobile traces constitute large sets of data, whose analysis requires the application of big-data analytics techniques. The proposed system has been evaluated in two different live LTE networks, demonstrating its validity and utility.
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