Monday, 9 June 2014

System Information Block -12 in LTE (SIB-12)

 Ø  Contains a CMAS notification
 Ø  CMAS notifications carry high emerygency situations and is defined for three catagories:
-Presidential Alerts (President of a geographical location can send alerts)
-Threat Alerts (Tornado/Hurricane alerts)
-AMBER Alerts (Child abduction, endangered situation)
 Ø  introduced in Release9

Information’s:


messageIdentifier
Identifies the source and type of CMAS notification
serialNumber
Identifies variations of a CMAS notification
warningMessageSegmentType
Indicates whether the included CMAS warning message segment is the last segment or not
warningMessageSegmentNumber
Segment number of the CMAS warning message segment contained in the SIB. A segment number of zero corresponds to the first segment, one corresponds to the second segment, and so on
warningMessageSegment
Carries a segment of the Warning Message
dataCodingScheme
Identifies the alphabet/coding and the language applied variations of a CMAS notification

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