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Updates on Korean Public Alert System (KPAS) Over LTE by HyeonWoo LEE and DJ KIM

Stay informed about the latest activities regarding KPAS, including the commencement of LTE commercial services, expansion plans, and the transition to LTE for public alert messaging services by NEMA. Discover the strategic direction, challenges, and next steps shaping the future of KPAS and its alignment with global standards.

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Updates on Korean Public Alert System (KPAS) Over LTE by HyeonWoo LEE and DJ KIM

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  1. Status on KPAS (Korean Public Alert System) over LTE HyeonWoo LEE, DJ(DaeJung) KIM TTA

  2. Highlight of Current Activities (1/2) • LTE commercial service by two operators (SKT and LG Uplus) has been started on 800㎒ band from July 1st, 2011. • And it is expected that additional LTE commercial service will be provided on additional 800㎒ band, 1.8㎓ and 2.1㎓ band by three operators(KT, SKT and LG Uplus) in the near future.

  3. Highlight of Current Activities (2/2) • Korean Public Alert System (KPAS) • In the 2G CDMA network, public alert message service has been provided • However the message service is not yet prepared on 3G WCDMA network . • From this issue, the Korean government, NEMA (National Emergency Management Agency) has a plan to provide this service over LTE network from end of 2012 as mandatory feature to LTE UE.

  4. Strategic Direction • With regard to the above situation, TTA PG701 as a charging PG in TTA has developed the draft for this service since March, 2011. • The draft was approved as TTA standard by TTA TA (Technical Assembly) on September 28, 2011

  5. Challenges • Action in 3GPP • For the global harmonization, TTA proposed this issue to 3GPP from the August such as 3GPP SA1 and CT1. • 3GPP TSG SA plenary held on September in Japan approved CRs on the KPAS from Rel-10 onwards even though Rel-10 is functionally frozen.

  6. Next Steps / Actions • Message Identifier part in KPAS TTA standard will be updated for the global harmonization of 3GPP. • It is expected that the revised draft of KPAS over LTE will be approved end of this year. • Also TTA hopes that KPAS eventually will be adopted to the relevant 3GPP TSs within 2011.

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