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Communication networks usually contain thousands of components producing millions of alarms every day. To ensure sustainable high quality network services, network surveillance experts need to inspect these alarms and determine the underlying faults. High number of network alarms cause alarm pollution which may cause not only extra time spent by the network surveillance experts but also delays in...
In some extraordinary situations like natural disasters or terrorist attacks, cellular mobile networks may face dramatically increased network traffics. Due to GSM network architecture, the number of available radio traffic channels within a cell is limited and this limitation may cause traffic congestions on such conditions. These congestions may drop the quality of mobile subscriber service channels...
A significant number of chronic GSM quality faults cause chronic quality alarms, which happen periodically, repeat often and disappear after a short time. There are a huge number of quality alarms and alarm quality experts who are responsible for the fault management try to determine chronic quality faults by examining quality alarms. The task of examining the history of a huge number of alarms and...
An important portion of GSM network alarms are transient alarms which are short-term and low priority alarms. High number of transient alarms causes alarm pollution which may cause not only the extra time spent by the technicians but also the delays in handling of more important alarms. In order to prevent transient alarm pollution, the most common solution is to use transient filters. Domain experts...
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