User's Manual
Table Of Contents
- INTRODUCTION
- Purpose
- Document Content and Organization
- Conventions
- Revision History
- CHAPTER 1. Samsung LTE System Overview
- CHAPTER 2. System Overview
- CHAPTER 3. System Structure
- CHAPTER 4. Message Flow
- CHAPTER 5. Supplementary Functions and Tools
Ver.
CHAPTER 4. Message Flow
2600-00FKQFGA2
1.0
Figure 15. Attach Procedure
UE
Indoor Pico Cell
MME
S-GW
EPC
1) Random Access procedure
2) RRCConnectionRequest
3) RRCConnectionSetup
4) RRCConnectionSetupComplete
(ATTACH REQUEST)
5) INITIAL UE MESSAGE
(ATTACH REQUEST)
6) Authentication/NAS security setup
10) UECapabilityEnquiry
11) UECapabilityInformation
13) SecurityModeCommand
14) SecurityModeComplete
(ATTACH ACCEPT)
18) ULInformationTransfer
(ATTACH COMPLETE)
(ATTACH COMPLETE)
19) UPLINK NAS TRANSPORT
17) INITIAL CONTEXT SETUP
RESPONSE
(ATTACH ACCEPT)
9) INITIAL CONTEXT SETUP REQUEST
7) Create Session Request
8) Create Session Response
20) Modify Bearer Request
21) Modify Bearer Response
Downlink data
Downlink data
Uplink data
Uplink data
12) UE CAPABILITY INFO INDICATION
© SAMSUNG Electronics Co., Ltd.
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