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Monitoring a communication network

專利號
US12200523B2
公開日期
2025-01-14
申請人
Telefonaktiebolaget LM Ericsson (publ)（SE Stockholm）
發(fā)明人
Attila Mitcsenkov; Ferenc Szász; Attila Báder
IPC分類
H04W24/08
技術(shù)領(lǐng)域
soft,network,behaviour,drop,or,plane,session,sessions,in,virtual
地域： Stockholm

摘要

A method for monitoring a communication network comprises monitoring user plane information and control plane information for a first session provided by the communication network for a first wireless device; and correlating the user plane information and the control plane information to determine if the first session was ended due to a soft drop, wherein a soft drop corresponds to a user of the wireless device intentionally terminating the first session due to service quality issues.

說明書

  • the control plane protocols report success codes, in case of e.g. a service failure, but the user plane is seriously degrading customer experience (and the event is not considered as failure by the FM/PM system);
  • the counters based on time aggregated data are unable to detect abnormal behaviour due to inappropriate threshold sensitivity or time resolution;
  • issues impact only a specific subset of subscribers, but the given dimensions are not available as drilldown dimensions for the specific counter in the FM system;
  • counters refer to a single node or network element and the issue can be detected by multiple events from more NEs, i.e. impact of an issue is specific for a segment of the network identified by cross-domain dimensions (e.g. device specific being unknown for the FM counters).
  • It can detect network or terminal related issues which affect only a limited number of users, a limited area and/or a limited number of network elements, and the quality issues do not appear in protocol or signalling messages.

    • Thus, as noted above, to detect soft drop incidents, both user- and control-related metrics must be correlated. FIG. 1 illustrates an exemplary network architecture to which the techniques described herein can be applied. It will be appreciated that while FIG. 1 illustrates part of a 5G network and a 4G or 5G radio access network (RAN), the techniques described herein are applicable to other types of network (e.g. 2G and 3G networks) where soft drops may occur.

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