10. Public Warning System (PWS)

  1. SeungJune Yi,
  2. SungDuck Chun,
  3. YoungDae Lee,
  4. SungJun Park and
  5. SungHoon Jung

Published Online: 5 SEP 2012

DOI: 10.1002/9781118188545.ch10

Radio Protocols for LTE and LTE-Advanced

Radio Protocols for LTE and LTE-Advanced

How to Cite

Yi, S., Chun, S., Lee, Y., Park, S. and Jung, S. (2012) Public Warning System (PWS), in Radio Protocols for LTE and LTE-Advanced, John Wiley & Sons, Ltd, Chichester, UK. doi: 10.1002/9781118188545.ch10

Author Information

  1. LG Electronics, South Korea

Publication History

  1. Published Online: 5 SEP 2012
  2. Published Print: 5 SEP 2012

ISBN Information

Print ISBN: 9781118188538

Online ISBN: 9781118188545



  • cell broadcast center (CBC);
  • cell broadcast entity (CBE);
  • cell broadcast service (CBS);
  • global system for mobile communications (GSM);
  • public warning system (PWS);
  • system information blocks;
  • universal mobile telecommunication system (UMTS)


A public warning system (PWS) is used to alert the public to events such as disasters. The PWS can be used to notify people of a child abduction emergency. This chapter discusses warning system architecture with illustration. The warning system architecture accommodates the cell broadcast center (CBC) and cell broadcast entity (CBE) that stem from the cell broadcast service (CBS) network architecture in global system for mobile communications (GSM) and universal mobile telecommunication system (UMTS). A warning message includes message identifier, serial number, warning type, warning message contents and digital coding scheme. The warning message is delivered from the CBE to the eNB over the SBc-AP and the S1AP protocols via the CBC and MME on the network side. The PWS uses different types of system information blocks such as systeminformationblocktype10, systeminformationblocktype11 and systeminformationblocktype12 for the warning message delivery.

Controlled Vocabulary Terms

3G mobile communication; alarm systems; GSM; message passing