Content

1 Overview

1.1 Introduction

1.2 Objectives of the white paper

1.3 Terminology

2 Synchronization of TD-LTE networks

2.1 Coexistence analysis

2.2 Other synchronization benefits

2.3 Clock accuracy requirements

3 Synchronization schemes

3.1 Introduction

3.2 Synchronization by GNSS

3.3 Synchronization over backhaul

3.4 Over-the-air synchronization

3.4.1 Synchronization by network listening

3.4.2 UE-assisted synchronization

3.5 Comparison of different synchronization schemes

4 Verification of synchronization

4.1 Synchronization based on IEEE-1588v2

4.2 Over-the-air synchronization

4.2.1 Synchronization based on MBSFN subframe

4.2.2 Synchronization based on TDD special subframe

5 Summary and recommendations

6 Reference

GTI White Paper on TDD Synchronization