Title
Learning of model parameters for fault diagnosis in wireless networks
Abstract
Self-management is essential for Beyond 3G (B3G) systems, where the existence of multiple access technologies (GSM, GPRS, UMTS, WLAN, etc.) will complicate network operation. Diagnosis, that is, fault identification, is the most difficult task in automatic fault management. This paper presents a probabilistic system for auto-diagnosis in the radio access part of wireless networks, which comprises a model and a method. The parameters of the model are thresholds for the discretization of Key Performance Indicators (KPIs) and probabilities. In this paper, some techniques are proposed for the automatic learning of those model parameters. In order to support the theoretical concepts, experimental results are examined, based on data from a live network. It has been proven that calculating parameters from network statistics, instead of being defined by diagnosis experts, highly increases the performance of the diagnosis system. In addition, the proposed techniques enhance the results obtained with continuous diagnosis models previously exposed in the literature.
Year
DOI
Venue
2010
10.1007/s11276-008-0128-z
Wireless Networks
Keywords
Field
DocType
Diagnosis,Self-healing,Self-managing networks,Troubleshooting,Network operation
Troubleshooting,Access technology,Wireless network,GSM,UMTS frequency bands,Computer science,Computer network,General Packet Radio Service
Journal
Volume
Issue
ISSN
16
1
1022-0038
Citations 
PageRank 
References 
19
1.11
18
Authors
4
Name
Order
Citations
PageRank
Raquel Barco136441.12
Volker Wille213013.37
L. Díez314123.21
Matías Toril4505.98