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TR 23.828 (SA2) ★
Earthquake and Tsunami Warning System (ETWS) –
Requirements and Solutions

3GPP‑Page

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for a better overview, the Table of Contents (ToC) is reproduced

V8.0.0 (Wzip) 2008/09 22 p.

Rapporteur: Mr. Kitahara, Ryo
See also:

PWS-related TS/TR

This TR is a temporary architectural solution placeholder for Earthquake and Tsunami Warning System (ETWS). This document is to present various architecture and function approaches for 3GPP networks (i.e. GERAN, UTRAN, and LTE) based on the ETWS requirements described in TS 22.168.

full Table of Contents for TR 23.828 Word version: 8.0.0

1 Scope Word-p. 5

3 Definitions and abbreviations

3.1 Definitions

3.3 Abbreviations Word-p. 6

4 Overview of ETWS

4.2 Technical requirements

4.3 Architectural considerations

5 Alternative 1: CBS with IMSI paging

5.2 Description Word-p. 7

5.2.1 Solution for Idle-Mode UE

5.2.2 Suggested Information Elements Word-p. 8

5.2.2.1 General

5.2.2.2 WRITE-REPLACE

5.2.2.3 PAGING TYPE 1 for Primary Notification Word-p. 9

5.2.2.4 CBS Message for Secondary Notification Word-p. 10

5.3.1 Evaluation

6 Alternative 2: E-MBMS Word-p. 11

6.2 Description Word-p. 12

6.2.1 Alternative 2-1: Pure eMBMS

6.2.1.1 General

6.2.1.2 Description

6.2.2 Alternative 2: Primary Notification in Session Start Word-p. 13

6.2.2.1 General

6.2.2.2 Architecture Details

6.3 Summary Word-p. 14

7 Alternative 3: MBMS

8 Alternative 4: Enhanced CBS over GERAN with idle and connected mode solutions

8.2 Idle mode description

8.3 Connected mode solution Word-p. 16

9 Alternative 5: Enhanced CBS with Optional Information Elements Over Paging Message Word-p. 17

9.1 Architecture Overview

9.2 High Level Description for GERAN, UTRAN and E-UTRAN

9.2.1 UE support

9.2.2 Solution for Idle-Mode UE

9.2.3 Solution for Connected-Mode UE Word-p. 18

9.3 Information Flow

10 Conclusion Word-p. 21

A Change history Word-p. 22