SIB10 in LTE

SIB10: ETWS primary notification
  • contains an ETWS primary notification

Signalling radio bearer: N/A
RLC-Mode: TM

Logical channel: BCCH
Direction: E‑UTRAN to UE

Important contents of SystemInformationBlockType10

Field Descriptions:
messageIdentifierIdentifies the source and type of ETWS notification (earthquake, tsunami warning, any emergency or test message)
serialNumberIdentifies variations of an ETWS notification.
-uses various mechanisms to alert the user (display message, play a tone or vibrate, location where the message is applicable, also contains an update number which specifies whether a change is in the message content or not)
warningType# Identifies the warning type of the ETWS primary notification (earthquake, tsunami, etc.) and
# provides information on emergency user alert and UE popup
warningSecurityInfo# is optional, only applied when security is applied
# Provides security information for the ETWS notification

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