Cell Broadcast Broker System
By
Cell Alert Services Corp.
Mark.wood@engineer.com
Can we have a successful Disaster?
Disaster = Hazard X Vulnerability
International Red Cross
Cell Broadcast Broker System
Network X
Police
Cell@lert
Cell Broadcast
Centre
User’s
Web Browser
Mayor
Network Y
Cell Broadcast Broker Server
Administration subsystem
Weather
Cell Broadcast
Centre
Cell Broadcasting by the Network
Network
BSS Network
RBS
A-bis
BSC
BSC
A-bis
Cell Broadcast Center
CBC
RBS
Flooding
Expected
In next hour
Impact on Networks
• Is not affected by, or cause congestion,
•
•
•
uses SDCCH not TCH (not using traffic
channels).
Does not affect Enhanced multi-level
pre-emption. (EMLPP).
One SDCCH taken for CB function.
Offset by Dynamic (control) Channel
Allocation and Immediate assignment.
Impact on Networks
• Does not affect GPRS dynamic channels.
• Less signaling load than one phone call
or SMS
• Is not immune to failure of cellular
infrastructure, switches, transmission
and RBSs.
• In the future a dynamic Cell Broadcast
Feature may be needed.