User's Manual

Confidential
LTE eNB System Description v2.0 iii
Copyright © 2017, All Rights Reserved.
Contents
Preface vi
Conventions in this Document ........................................................................................................ vi
New and Changed Information ...................................................................................................... vii
Revision History .............................................................................................................................. vii
Organization of This Document ..................................................................................................... viii
Personal and Product Safety ........................................................................................................... ix
Chapter 1 Samsung LTE System Overview 1
Introduction to Samsung LTE System ............................................................................................... 1
Samsung LTE Network Configuration ............................................................................................... 4
Protocol Stack between NEs ............................................................................................................ 7
Chapter 2 LTE eNB Overview 12
Introduction to System .................................................................................................................. 12
Main Functions ............................................................................................................................... 14
Physical Layer Processing .......................................................................................................... 14
Call Processing Function ............................................................................................................ 18
IP Processing .............................................................................................................................. 20
SON Function ............................................................................................................................. 20
Easy Operation and Maintenance ............................................................................................. 22
Specifications ................................................................................................................................. 24
Chapter 3 System Structure 27
Hardware Structure ........................................................................................................................ 27
CDU ............................................................................................................................................ 27
RRH (LTE FDD, 700 MHz) ........................................................................................................... 30
Power Supply ............................................................................................................................. 32
Cooling Structure ....................................................................................................................... 33
External Interface ...................................................................................................................... 34
Software Structure ......................................................................................................................... 37
Basic Software Structure ............................................................................................................ 37
CPS Block .................................................................................................................................... 40
OAM Blocks ................................................................................................................................ 44
Chapter 4 Message Flow 48
Data Traffic Flow ............................................................................................................................ 48
Network Sync Flow ......................................................................................................................... 49
Alarm Signal Flow ........................................................................................................................... 49
Loading Flow .................................................................................................................................. 51
Operation and Maintenance Message Flow .................................................................................. 52
Web-EMT ................................................................................................................................... 52
CLI .............................................................................................................................................. 53
Appendix Acronyms 55