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Public Warning System

Public Warning System (PWS) refers to a specific feature in LTE/4G networks. It can be considered as the successor to the Cell_Broadcast and ETWS in 2G, or the Service_Area_Broadcast in 3G.

Architecture

Network Diagram

Ladder Diagram

Interfaces

SBc interface between CBC and MME

The interface is based on a ASN.1 based protocol called SBc-AP which is specified in 3GPP TS 29.168

The protocol operates over SCTP. Connections are initiated by the CBC to the MME, and the MME listens for SBcAP connections on SCTP port 29168.

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Updated by laforge over 4 years ago · 2 revisions

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