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 2. System Overview
2600-00FKQFGA2
1.0
Inter-eNB Protocol Stack
The eNB and the eNB are connected physically through the FE and GE method, and the
connection specification should satisfy the LTE X2 interface. The figure below shows the
inter-eNB user plane protocol stack.
Figure 7. Inter-eNB User Plane Protocol Stack
The figure below shows the control plane protocol stack.
Figure 8. Inter-eNB Control Plane Protocol Stack
X2
eNB
UDP
IP
L2
L1
eNB
UDP
IP
L2
L1
GTP-U GTP-U
User Plane
PDUs
User Plane
PDUs
X2
eNB
IP
L2
L1
eNB
IP
L2
L1
SCTP SCTP
X2-AP X2-AP
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